how to calculate kinetic energy?
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In classical mechanics, kinetic energy (KE) is equal to half of an object's mass (1/2*m) multiplied by the velocity squared. For example, if a an object with a mass of 10 kg (m = 10 kg) is moving at a velocity of 5 meters per second (v = 5 m/s), the kinetic energy is equal to 125 Joules, or (1/2 * 10 kg) * 5 m/s2.
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Expression for K.E - KINETIC ENERGY-K.E = 1/2 mv2. "Energy posses by a body by virtue of its motion is referred to as 'Kinetic Energy'". Kinetic energy depends upon the mass and velocity of body. If velocity is zero then K.E. of body will also be zero.
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To calculate the energy available from a food, multiply the number of grams of carbohydrate, protein, and fat by 4,4, and 9, respectively. Then add the results together.
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To calculate the percent loss of kinetic energy, the kinetic energy after the collision was subtracted from the kinetic energy before the collision, and it was then divided by the initial kinetic energy before the impact and converted into a percentage by multiplying by 100%.
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['the formula is.', 's = ut + 0.5 at^2.', 'where s is the distance, u is the initial velocity (speed is the magnitude of velocity), a is the acceleration and t is the time.', 'Put all the values in the above formula and you will get an equation for t. ... ', 'You can also solve these two equations:']
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["add together the bond energies for all the bonds in the reactants - this is the 'energy in'", "add together the bond energies for all the bonds in the products - this is the 'energy out'", 'energy change = energy in - energy out.']
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How is it different from potential energy? Kinetic energy is due to an object's motion while potential energy is due to an object's position or state. When you calculate an object's kinetic energy, its velocity is an important factor. Velocity, however, has nothing to do with an object's potential energy.
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If the force is constant, work may be computed by multiplying the length of the path by the component of the force acting along the path. To express this concept mathematically, the work W is equal to the force f times the distance d, or W = fd.
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Kinetic energy is the energy an object has because of its motion. ... After work has been done, energy has been transferred to the object, and the object will be moving with a new constant speed. The energy transferred is known as kinetic energy, and it depends on the mass and speed achieved.
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Kinetic energy is a form of energy that results from an object's motion. ... It is stored energy that can become kinetic energy. It includes potential electrical, chemical, and nuclear energy. The measurement of potential energy in an object is calculated based on the object's mass and its height or distance.
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The kinetic energy is equal to 1/2 the product of the mass and the square of the speed. In formula form: where is the mass and. is the speed (or the velocity) of the body. In SI units, mass is measured in kilograms, speed in metres per second, and the resulting kinetic energy is in joules.
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Kinetic Energy of Rolling Object If an object is rolling without slipping, then its kinetic energy can be expressed as the sum of the translational kinetic energy of its center of mass plus the rotational kinetic energy about the center of mass.
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The formula for calculating kinetic energy (KE) is KE = 0.5 x mv2. Here m stands for mass, the measure of how much matter is in an object, and v stands for velocity of the object, or the rate at which the object changes its position.
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['Energy can be transferred between stores during motion. ... ', 'kinetic energy = 0.5 × mass × speed 2', 'This is when:', 'Calculate the initial kinetic store of the car in the previous example, if its mass is 1500 kg. ... ', 'So the value of the kinetic store is 12,000 J or 12 kJ.']
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Kinetic energy of a body of given mass, is directly proportiional to its square of its velocity. When momentum is doubled, mass remaining constant, this means velcity is doubled. Hence, kinetic energy becomes 22=4 times i.e. say from 100 units to 400 units. and percentage increase in kinetic energy is 400−100=300% .
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KE = 1/2 * m * v^2 and p = mv. We can manipulate the KE formula to show where momentum is in it. In words we can say that the kinetic energy of a body is equal to the product of its momentum and one-half of its velocity.
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The following equation is used to represent the kinetic energy (KE) of an object. This equation reveals that the kinetic energy of an object is directly proportional to the square of its speed. That means that for a twofold increase in speed, the kinetic energy will increase by a factor of four.