Examples of kinetic energy

Examples of kinetic energy

Examples of kinetic energy. , Bond dissociation energy is defined as the heat of reaction, ΔH, for breaking a(n) _____ bond by equally dividing the _____ between the two atoms in the bond. When you run, your body converts chemical potential energy into kinetic energy. Sep 28, 2022 · Explaining how energy is stored and transferred and how that relates to the movement and momentum of objects in motion involves understanding potential and kinetic energy. Nov 27, 2017 · thermal energy – kinetic energy due to the motion of subatomic particles, atoms, and molecules; Examples of Energy. If you double the mass of an object, you double the kinetic energy. high-energy phosphate bonds in ATP C. EXAMPLES OF KINETIC Study with Quizlet and memorize flashcards containing terms like Which of these is an example of kinetic energy? A. It is said to be comparable to the kinetic energy of a mosquito. This energy is created through electromagnetic waves and is most commonly experienced by humans in the form of heat. Feb 7, 2022 · Learn what kinetic energy is, how to calculate it, and see examples of different types of kinetic energy. Jul 12, 2022 · Any actively moving object in the world is an example of kinetic energy. An Object Will Maintain the Same Amount of Kinetic Energy Until It Slows Down or Speeds Up. and more. Therefore, if an object is not moving, it is said to have zero kinetic energy. Few Examples of Kinetic Energy. Oct 19, 2023 · However, energy can change form and even transfer between objects. Learn how kinetic energy is calculated, how it relates to potential energy, and how it can be transformed and transferred in various situations. For example, vibrational kinetic energy is the energy of motion generated by objects that vibrate, Feb 20, 2022 · The quantity \(\frac{1}{2}mv^2\) in the work-energy theorem is defined to be the translational kinetic energy (KE) of a mass \(m\) moving at a speed \(v\). Example: Look at the given picture below. Batteries, biomass, petroleum, natural gas, and coal are examples of chemical energy. Mar 23, 2022 · Matter consists of atoms, molecules, and electrons that constantly vibrate and move. battery in a flashlight with no bulb, Which statement best describes energy?, Which of these statements reflects the relationship between elements, atoms For example, the efficiency of nuclear reactors, where the kinetic energy of the nuclei is first converted to thermal energy and then to electrical energy, lies at around 35%. Electrical energy comes from either electric kinetic energy or electric potential energy. Kinetic energy is the energy an object has because of its motion and depends on its mass and velocity. Jan 17, 2024 · Define Kinetic Energy. The standard measurement of kinetic energy is the Joule (J), another term of measurement is the foot-pound. However, most of the time, kinetic energy refers to the energy associated with the movement of larger objects. Kinetic energy is the form of energy that an object possesses due to its motion. Here are some everyday examples of energy and a look at the types of energy: Throwing a ball: Throwing a ball is an example of kinetic energy, potential energy, and mechanical energy May 5, 2024 · For example, a car in motion exhibits kinetic energy, and its engine converts chemical energy from fuel into mechanical energy to propel it forward. If an object is moving, it is said to have kinetic energy. Total E . ” So, sometimes the definition of electrical energy typically leaves out any reference to electric potential energy. Kinetic Energy. This is relative to the Oct 17, 2022 · The types of kinetic energy in the world can feel difficult to pinpoint. Underneath are questions on Kinetic energy which aids one to understand where they can use these questions. Moving cars. These are found in everyday objects we come across at home. The car’s Apr 18, 2022 · Translational kinetic energy is the kinetic energy associated with the motion of the center of mass of an object. s-2. s-². Kinetic energy is the energy possessed by an object due to its motion. The translational kinetic energy of an object is the amount of work it requires to take that object from its resting position to a required velocity, e. Kaizen (continuous improvement) - Kaizen is an approach to creating continuous improvement based on the idea that small, ongoing positive changes can reap significant improvements. Motion energy refers to the energy found in moving objects. Nov 21, 2023 · Some examples of kinetic energy can be seen in everyday life. Jun 16, 2023 · When the weight reaches Position 4, all the kinetic energy has been converted back to the same amount of potential energy it started with at 1. Learn how to calculate kinetic energy, its units, and its types, such as translational, rotational, and relativistic kinetic energy, with examples and facts from Britannica. The energy is made through electromagnetic waves and is most regularly experienced by people as warmth. In order to gain kinetic energy, a force must be applied, which causes work to be done on an object. The kinetic energy is measured in Joule (J), which is equivalent to 1 kg. It is a property of a moving object or particle and depends not only on its motion but also on its mass. Mechanical energy is energy stored in objects by tension Kinetic energy is energy possessed by a body by virtue of its movement. Example: Find the Kinetic Energy of the object at 14m from the given graph below. A hammer gathers potential energy and transforms it into kinetic energy to hit a nail. Naturally, the kinetic energy of an object at rest should be zero. — Hunter Ingram, Variety, 17 July 2024 See all Example Sentences for kinetic energy . 12. Examples of KINETIC ENERGY in a sentence, how to use it. Consider a swing set. Conversion of liquid water to steam, by virtue of the fast movement of the molecules of the liquid upon agitation; A golf ball after being struck off Nov 21, 2023 · Kinetic energy is equal to half of the mass of the object multiplied by its velocity squared. Kinetic energy can be also be transferred into other types of energy, such as potential energy or chemical energy. Here are some everyday examples of energy and a look at the types of energy: Throwing a ball: Throwing a ball is an example of kinetic energy, potential energy, and mechanical energy Apr 10, 2020 · Here is a list of 10 common types of energy and examples of each of them. That pause before a backswing happens when the potential energy “accumulates” in the hammer swing back toward the original position. There are many different uses of sound energy that range from primitive usage to complex cultural applications. For example: Chemical energy is a form of energy. Conservation of energy . The total energy of the system is conserved at any point of the system. Jul 26, 2024 · The meaning of KINETIC ENERGY is energy associated with motion. 1. Energy. At the top of the swing’s arc, the kinetic energy is zero. Energy is the capacity to do work. The imperial unit of kinetic energy is foot-pound, while the standard unit is Joule. We can find energy of the objects from their Force vs. Q1 The mass of a bicycle is 10 kg, and it moves at a constant velocity of 10 km/h. Kinetic energy is one of the two main forms of energy – the other is potential (stored) energy. In exploring kinetic energy, students learn about motion energy, thermal energy, radiant energy, sound energy, and electrical energy. Mechanical energy can be either kinetic energy (energy of motion) or potential energy (stored energy of position). Khanmigo is now free for all US educators! Plan lessons, develop exit tickets, and so much more with our AI teaching assistant. " Sep 7, 2022 · Kinetic energy is the energy of the object in motion. ) Oct 19, 2023 · A common example of energy transfer that we see in everyday life is the transfer of kinetic energy —the energy associated with motion—from one moving object to a stationary object via work. The block and the ramp as a whole constitute an isolated system. If you're seeing this message, it means we're having trouble loading external resources on our website. K = ½mv 2. The total energy of a closed system is conserved. Some other examples Aug 7, 2024 · Sound energy has different properties and characteristics when compared to other types of kinetic energy like mechanical energy. Kinetic energy increases with speed. Using a hammer has both potential and kinetic energy at work. We can find the total kinetic energy of the object after 14m from the graph; we use area under it to find energy. Likewise, the air molecules flowing around and within the aircraft have kinetic energy of vibration, contributing to the thermal energy of the system. It can Sep 8, 2023 · Kinetic energy is the energy an object has due to its motion. The energy stored between the plates of a charged capacitor is electrical potential energy. Explore examples of kinetic energy in everyday life, such as walking, throwing, and falling, and the types of kinetic energy, such as translational, rotational, and vibrational. In order for energy to be kinetic, there needs to be movement or velocity. Different Types of Kinetic Energy: Radiant energy. Types of Kinetic Energy . When flowing water with kinetic energy strikes the turbine in the dam, the kinetic energy of the water is turned into mechanical energy. An electric fan, blender, and washing machine consist of an electric motor that converts electrical energy into kinetic energy; Electric iron, toaster, and stove convert electrical energy into thermal energy; An electric generator converts mechanical energy into electrical energy Aug 5, 2024 · For example, when a box slides down a hill, the potential energy that the box has from being located high up on the slope is converted to kinetic energy, energy of motion. If work, which transfers energy, is done on an object by applying a net force, the object speeds up and thereby gains kinetic energy. Mar 12, 2021 · Kinetic energy is energy that is present in an object because of its motion. This can be the motion of large objects (macroscopic kinetic energy), or the movement of small atoms and molecules (microscopic kinetic energy). Kinetic energy can be passed from one object to another in the form of a Feb 20, 2022 · The expression for rotational kinetic energy is exactly analogous to translational kinetic energy, with \(I\) being analogous to \(m\) and \(\omega\) to \(v\). It is expressed by the formula. To gain some further insights into the concept of kinetic energy, and the ways in which it is different from momentum, it is useful to look at it in the same setting in which we “discovered” momentum, namely, one-dimensional collisions in an isolated system. A common example of energy transfer is the transfer of kinetic energy —the energy of motion—from a moving object to a stationary object. kasandbox. Here are a few examples of kinetic energy in your house. org are unblocked. The following are typical examples of kinetic energy: A wrecking ball used to demolish a building through utilization of the kinetic energy it possesses in motion. While relative kinetic energy is the kinetic energy associated to the rotation or vibration of the atoms of the object around its center or axis. A baseball on its trajectory has potential energy due to its height and kinetic energy due to its speed. Find out the kinetic energy of this bicycle? A1 Here the mass is “m’ and the velocity is “v”. An airplane in flight has kinetic energy. However, collisions between everyday objects are almost perfectly elastic when they occur with objects and surfaces that are nearly frictionless, such as with two steel blocks on Kinetic energy is the energy that a body contains because of its mass and speed. Sep 7, 2023 · Kinetic energy is defined as the energy associated with the movement of an object. It is a general observation that the amount of energy in the universe doesn't change, and the amount of energy in a particular system doesn't change Jul 15, 2022 · Oscillating fields involve the movement of charged particles; hence, radiant energy is considered kinetic energy. The amount of kinetic energy it possesses is determined by the speed of the throw. The quantity 1 2 mv 2 1 2 mv 2 in the work-energy theorem is defined to be the translational kinetic energy (KE) of a mass m m moving at a speed v v. You can also explore the concept of kinetic energy and how it relates to mass and speed in the related article. Since it involves the random movement of molecules, thermal energy is a type of kinetic energy. Learn about kinetic energy through a free video that explains its concepts and applications in physics. The total energy is the sum of the potential energy and the kinetic energy. Additionally, the car's headlights emit light energy, and its exhaust system releases thermal energy. It ranges from zero to a positive value. Rotational Kinetic Energy: Kinetic energy is the energy of motion. See different energy forms included in each type here! Oct 19, 2023 · A common example of energy moving between objects, called energy transfer, is the transfer of kinetic energy from a moving object to a motionless object. ) In equation form, the translational kinetic energy, Apr 11, 2024 · Potential energy and kinetic energy. Find out how kinetic energy relates to work, force, mass, velocity, and angular velocity. m 2. Learn what kinetic energy is, how to calculate it, and how it transforms in different situations. Examples of Kinetic Energy. Kinetic energy is the energy of motion. the planets within the solar system that circle the sun possess rotational kinetic energy. Macroscopic kinetic energy is "high quality" energy, while microscopic kinetic energy is more disordered and "low-quality. , Match each reaction enthalpy, ΔH, with the term that describes it. They identify everyday examples of these energy types, as well as the mechanism of corresponding energy transfers. Objects have mechanical energy if they are in motion and/or if they are at some position relative to a zero potential energy position (for example, a brick held at a vertical position above the ground or zero height position). Distance graph. The unit of energy is J (Joule) which is also kg m 2 /s 2 (kilogram meter squared per second squared) Energy can be in many forms! Here we look at Potential Energy (PE) and Kinetic Energy (KE). If you double the speed of an object, the kinetic energy increases by four times. At the top of a hill, a downhill skier has potential energy. Everyday observable examples of perfectly elastic collisions don’t exist—some kinetic energy is always lost, as it is converted into heat transfer due to friction. Learn Kinetic Energy and others in Kinetic energy. Example 1. Any object may possess multiple types of energy. Thus an object's kinetic energy is defined mathematically by the following equation…. Kinetic energy is hence the energy of motion. Radiant energy is a sort of kinetic energy as it is consistently moving to go through medium or space. Jun 27, 2018 · What are Some Examples of Kinetic Energy? To further explain, we’ll offer a variety of examples of kinetic energy. Vibrational Kinetic Energy is the energy due to vibrational motion. Thomas Young (1773–1829) derived a similar formula in 1807, although he neglected to add the ½ to the front and he didn't use the words mass and weight with the same precision we do nowadays. An example of kinetic energy is a Nov 21, 2023 · Kinetic energy can be categorized into different types based on various forms of motion. Different Forms of Kinetic Energy. Mar 20, 2021 · Electric Potential Energy Examples. m². Conservation of Kinetic Kinetic energy can transfer from one object to another, for example when your foot kicks a ball and the ball gains kinetic energy. A Moving Car: Imagine a car cruising down the highway. When a ball is thrown, it acquires kinetic energy while in motion through the air. This energy depends on two main factors: the mass of the object and the square of its speed. Feb 3, 2019 · Learn the definition of kinetic energy, as used in chemistry, chemical engineering, and physics, plus get an example. At any point, the sum of potential energy, kinetic energy, and thermal energy due to friction remains constant. Later, it may again turn back into kinetic energy. , protons in Large Hadron Collider, LHC) reach the kinetic energy of a few TeV. When you jump upwards, your body has kinetic and potential energy that Jul 29, 2024 · Let's take a look at some computational kinetic energy examples to get to grips with the various orders of magnitude: Some of the highest energy particles produced by physicists (e. For an object of mass m and velocity, its kinetic energy is half of the product of the mass of the object with the square of its velocity. What is the Best Example of Sound Energy? The best example of sound energy is the human voice. Kinetic energy formula is used to compute the mass, velocity or kinetic energy of the body if any of the two numerics are given. Objects in motion due to rotation, vibration, or translation are classified under the kinetic form of energy. kinetic energy, heat energy, light energy, chemical energy Jun 20, 2018 · Example 3. Apr 5, 2024 · Kinetic Energy is the energy associated with an object moving with a velocity. Feb 17, 2023 · When a block slides down a ramp, its potential energy is converted into kinetic energy. ) In equation form, the translational kinetic energy, Kinetic Energy: It is a form of energy that an object or a particle has by reason of its motion. It accounts for translational, vibrational, and rotational motion. Rotational kinetic energy has important effects. Solved Examples on Kinetic Energy Formula. The high velocity and large mass of the airplane mean it has significant kinetic energy. The impact’s kinetic energy is directly proportional to the object’s mass and velocity. Feb 16, 2023 · Learn what kinetic energy is, how to calculate it, and see examples of kinetic energy in everyday situations. For example, a lightning strike can convert electrical energy into light energy, thermal energy, and sound energy. The energy it takes to lift and place one brick atop another is kinetic energy—the energy matter possesses because of its motion. If you're behind a web filter, please make sure that the domains *. The linear motion of a sprinter running down a track demonstrates kinetic energy as they move in a straight line. The kinetic energy of a particle is a single quantity, but the kinetic energy of a system of particles can sometimes be divided into various types, depending on the system and its motion. where KE is the kinetic energy m is the mass of the object v is the velocity of the object. Sometimes kinetic energy becomes potential energy. The dimension Formula for kinetic energy is [M 1 L 2 T-2] Kinetic Energy Aug 11, 2021 · Example \(\PageIndex{1}\): Kinetic Energy of an Object. [ 4 ] [ 5 ] By direct conversion of kinetic energy to electric energy, effected by eliminating the intermediate thermal energy transformation, the efficiency of the Read more: Kinetic Energy. Examples of kinetic energy at home. Energy resources are the different ways of supplying a particular form of energy. Jul 24, 2024 · Mechanical energy is the sum of kinetic energy, the energy of motion, and potential energy, the energy stored due to an object’s position or structure. Unit of Kinetic Energy. For example, ultraviolet radiation has higher energy in the electromagnetic spectrum than infrared. kastatic. Learn about kinetic energy, which is energy in motion. Motion Energy. In physics, work is a measure of energy transfer and refers to the force applied by an object over a distance. skeletal muscles contracting as a person lifts weights B. Nov 30, 2022 · A moving car possesses kinetic energy due to its motion. Kinetic Energy in Collisions. For example, if all the particles in a system have the same velocity, the system is undergoing translational motion and has translational kinetic energy. When a golf club is swung and hits a golf ball, some of the club's kinetic energy transfers to the ball. Rotational kinetic energy is in objects that are in a circular motion, e. Flywheels, for example, can be used to store large amounts of rotational kinetic energy in a vehicle, as seen in Figure \(\PageIndex{3}\). The higher the frequency, the higher the energy. Although there are many kinds of energy in the world, they all fall into two broad categories: potential energy and kinetic energy. The word "kinetic" is derived from the Greek word "kinesis," which means motion. Below are some examples of kinetic energy that can be observed in our day-to-day life. Radiant energy is the type of energy that travels by waves or particles. Apr 22, 2024 · Check: Define Kinetic Energy, give two Examples of Kinetic Energy. The formula Ek = ½mv2 decides the quantity of kinetic energy any moving object will have. org Jul 29, 2024 · Kinetic energy is the energy of motion of an object or a particle. What is commonly known as chemical energy, the capacity of a substance to do work or to evolve heat by undergoing a change of composition, may be regarded as potential energy resulting from the mutual forces among its molecules and atoms. Kinetic energy can be defined as the work required to accelerate a body of a given mass from its point of rest to the stated velocity. This is just one example of conservation of energy. When a force, like gravity, acts Mar 6, 2024 · For example, an airplane in flight has translational kinetic energy due to its motion through the air, but its engines and moving parts, such as turbines, have rotational kinetic energy. This would be the basketball traveling in the air from one location to another. Here are some concrete examples of kinetic energy in action: 1. It’s a key concept in physics, illustrating how energy is conserved and transferred between objects and forms. Mar 24, 2020 · Kinetic energy does not have a direction and is a scalar value. There are five kinds of kinetic energy that are brilliant, warm, solid, electrical and mechanical. However, due to friction, some energy is lost as heat. It is not a vector quantity but is rather a magnitude. In our daily life, we observe kinetic energy while walking, cycling, throwing a ball, and others. Following are a few examples of radiant energy: Study with Quizlet and memorize flashcards containing terms like Which of the following represent examples of kinetic energy? Choose all that apply. CGS Unit: In CGS system, the kinetic energy is defined in erg. g. When energy is stored up and waiting to do things, we call it potential energy; "potential" simply means the energy has the ability to do something useful later on. This fact is referred to as the law of conservation of energy. Mar 28, 2023 · HOW IS KINETIC ENERGY MEASURED? Kinetic energy is a scalar quantity that can only be defined in terms of magnitude. glycogen within liver cells D. Bearing in mind the above formula for kinetic energy, look at a few of the examples seen in everyday life situations. But, once an electrical charge starts moving, it ceases to be “potential” and becomes “kinetic. Example . Chemical energy is energy stored in the bonds of atoms and molecules. Potential energy is the energy possessed by a body by virtue of its position or state. May 17, 2022 · Here are some examples of energy transformation in daily life. Feb 17, 2023 · In this video, watch how physics is turned into fun on roller coasters as potential energy gets converted to kinetic energy and back again — over and over. Like potential energy, kinetic energy has two primary types: in this case, translational kinetic energy and rotational kinetic energy. Dec 28, 2020 · The two main forms of energy are kinetic energy and potential energy. A weightlifter lifts a barbell above its head and gives it potential energy. Potential Energy and Kinetic Energy . However, the energy stays in the same form. As the box slows to a stop through friction, the kinetic energy from the box’s motion is converted to thermal energy that heats the box and the slope. 2 x 10 23 J of kinetic energy upon impact. Fun fact: Lord Kelvin received credit for first using the term kinetic energy around the year 1849, but KE conceptually dates back to the days of Aristotle. Also, m = 10 kg and v = 10 km/h. For example, chemical energy is converted to thermal energy when people burn wood in a fireplace or burn gasoline in a car's engine. What is the kinetic energy of an 80-kg athlete, running at 10 m/s? The Chicxulub crater in Yucatan, one of the largest existing impact craters on Earth, is thought to have been created by an asteroid, traveling at 22 km/s and releasing 4. Protect a Car During a Crash Interesting Facts about Kinetic Energy. Here are a few examples of kinetic energy in your home. Discover how kinetic energy is measured in joules, the relationship between mass and velocity, and examples of using kinetic energy. Example: An example of kinetic energy is a child swinging on a swing. Kinetic and potential energy can also convert to one another. A hammer: when raised up has potential energy (the energy of position May 5, 2024 · For example, a car in motion exhibits kinetic energy, and its engine converts chemical energy from fuel into mechanical energy to propel it forward. Radiant Energy. Energy can change from one form into others. This is an area of science where getting hands-on with the storage, transfer, and release of energy really helps students connect with what is happening. See full list on sciencenotes. Imagine you are building a brick wall. Example 2. Kinetic energy is the energy of motion, and potential energy is the energy associated with an object's position. While kinetic energy of an object is relative to the state of other objects in its environment, potential energy is completely independent of its environment. When a bat hits a ball, some of the bat's kinetic energy moves to the ball. As you swing the hammer, you use KE. An aeroplane has huge kinetic energy in flight because of its faster velocity and huge mass. For example, thermal energy exists because of the movement of atoms or molecules, thus thermal energy is a variation of kinetic energy. It depends on both an object’s mass (m) and its velocity (v) and is calculated using the formula: Kinetic Energy (KE) = ½ ⨰ mass (m) ⨰ velocity (v) 2. Apr 23, 2018 · For example, a car driving down a mountain has kinetic energy from its movement and potential energy from its position relative to sea level. If the final velocity of the box is In general, kinetic energy is the form of energy powering any type of matter in motion. org and *. Aug 22, 2024 · Potential energy also includes other forms. One of the most obvious examples of kinetic energy is found in moving cars. 2. (Translational kinetic energy is distinct from rotational kinetic energy, which is considered later. Potential energy is the other primary form that exists in stationary objects. Though we may see these objects often, we may Feb 2, 2021 · An object’s kinetic energy is measured in joules (J). Types of kinetic energy (classified by type of object) type motion examples and subtypes; mechanical energy: motion of macroscopic objects: machines, muscles, projectiles, wind, flowing water, ocean waves, sound, … Nov 23, 2022 · Earth’s rotation is a perfect example of rotational kinetic energy. The motion of tunning fork is a prominent example of vibrational kinetic energy. The word "kinetic" comes from the Greek word "kinesis" which means motion. The frequency of oscillations gives the magnitude of radiant energy. They learn that energy can be neither created nor destroyed and that relationships exist between a moving object's mass and Therefore, Kinetic energy =1/2 mV². Kinetic energy is measured in various units which are, SI Unit: SI unit of kinetic energy is Joule (J) or kg. Kinetic Energy Solved Examples. The quantity \(\frac{1}{2}{\text{mv}}^{2}\) in the work-energy theorem is defined to be the translational kinetic energy (KE) of a mass \(m\) moving at a speed \(v\). , accelerating a parked car to 50 miles per hour Aug 30, 2021 · Students makes sense of kinetic and potential energy, including various types of potential energy: chemical, gravitational, elastic and thermal energy. How do you calculate the kinetic energy of a moving object? Watch this video from Khan Academy to learn the formula and see some examples. To learn more about them, you can start by discovering what they can manifest as. KE = ½mv 2. 91 examples: A higher kinetic energy of the tungsten ions means that the plasma streams… 6 days ago · Examples of Kinetic Energy and Potential Energy (Image will be Uploaded Soon) Kinetic Energy Examples. The kinetic energy equation is given as: Where K is the kinetic energy, m is the body’s mass, and v is the body’s velocity. Objects falling towards the ground accumulate kinetic energy due to the force of gravity. Jan 23, 2024 · According to the Merriam-Webster Dictionary, the term "kinetic" means "of or relating to the motion of material bodies and the forces and energy associated. Hydropower plants- Hydropower plants generate electricity with the help of water. Dec 8, 2023 · Examples of Kinetic Energy. Thermal energy is the energy due to the motion of atoms and molecules in a substance. Kinetic energy is energy of motion. May 13, 2021 · Explore the types of energy by looking at kinetic and potential energy. Once the wall is in place, it stores potential energy. There are different forms of energy that are classified under kinetic energy. Now, one must apply the kinetic energy equation: The Kinetic energy is articulated in Kgm 2 /s 2. Jul 19, 2021 · Vibrational kinetic energy is the specific type of energy that an object has because of vibration, for example a cell phone that is vibrating possesses vibrational kinetic energy. Examples from the Collins Corpus These examples have been automatically selected and may contain sensitive content that does not reflect the opinions or policies of Collins, or its parent company HarperCollins. fyqe bpza ppdsrg ljyj odfqxcd wslko isllt nnhgi tqfkir yyyigt