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Q: Why does the formula for kinetic energy have a half in it?
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Why does an objects mass and speed cause it to have kinetic energy?

Kinetic energy is the energy of motion. The formula for kinetic energy is KE = 1/2mv2, where m is mass in kg and v is velocity in m/s. The formula indicates that KE is directly proportional to half the mass and velocity squared of an object in motion.


How does the formula of kinetic energy define?

kinetic energy is defined as the energy possessed by a body by virtue of its MOTION Formula ;Ek=0.5xmassx(velocity)to the square


The formula half the mass times the velocity squared is used to calculate what type of energy?

that is kinetic energy


If the of an object doubles Its kinetic energy doubles?

If the speed of an object doubles, its kinetic energy quadruples. This is because velocity is squared in the formula for kinetic energy.


When you have kinetic energy you must have?

When you have kinetic energy, you must have a mass and a velocity since kinetic energy is half the product of the mass and the square of the velocity.


Formula for total energy?

kinetic energy+potential energy=total energy


What are the formulas for kinetic energy?

The formula for kinetic energy is KE = 1/2(mass)(velocity squared)


What is the formula for kinetic energy and what it stands for?

The formula for kinetic energy is KE = 1/2mv2, where m is mass in kg and v is velocity in m/s.


What is needed to calculate kinetic energy?

Mass of a body and its speed are needed to calculate kinetic energy. Kinetic energy of an object = mv2/2 This formula is useful only when object's speed is much less than speed of light.


How does the kinetic energy of a body change if its momentum is halved?

Since momentum is proportional to the velocity, half the momentum means half the velocity (and therefore half the speed). And since kinetic energy is proportional to the SQUARE of the speed, half the speed means 1/4 the kinetic energy.


What is the fromula for kinetic energy?

Kinetic energy = (1/2)mv^2 Kinetic energy =199295.1 J


Mass is 145g and velocity is 25ms Find the answer using kinetic energy formula?

Kinetic energy is 0.45 joules using the formula Ek = ½ x mv2