A: ### Quick Answer

**The formula for kinetic energy is K.E. = 1/2 mv ^{2}, where "m" stands for mass and "v" stands for velocity.** Kinetic energy is typically measured in units of Joules, and 1 Joule is equal to 1 kilogram-meters squared per second squared.

Energy is usually divided into two types by chemists. Kinetic energy is the energy that occurs in an object in motion. Examples of kinetic energy include the planets revolving around the sun and a person walking down a street. Potential energy is the energy an object possesses because its position relative to another object. An example of potential energy is a person standing at the top of a staircase.

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## What is the average power formula?

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Full Answer >**The average power formula is P = ?E /?t = (Final E - Initial E)/(Final t - Initial t), where "P" is average power, "E" is energy and "t" is time.**The average power is equal to the change in energy over the change in time.Filed Under: - Q:
## What does "E=mc2" mean?

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Full Answer >**Albert Einstein's formula "E=mc2" means energy equals the mass of an object multiplied by the speed of light squared.**His theory means that the mass of an object, no matter how small, can be transformed into a tremendous amount of energy.Filed Under: - Q:
## What formula is used to find rotational kinetic energy?

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Full Answer >**The following formula is used to determine rotational kinetic energy: 1/2(Iw^2).**This equation is similar to the one used to determine kinetic energy in linear form, which is 1/2mv^2.Filed Under: - Q:
## What is the forumla for efficiency?

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Full Answer >**The formula for efficiency is: efficiency = (useful energy transferred / energy supplied) x 100.**It is important to note that the efficiency of any machine or device will always be less than 100 percent.Filed Under: