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13-06-2017
Physics

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A cart of mass 100 kg has a velocity of 20 m/s. Calculate its kinetic energy. __________ Joules

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23-06-2017

Kinetic energy is the energy that is possessed by an object that is moving. It is calculated by one-half the product of the mass and the square of the velocity of the object. We calculate as follows:

KE = mv^2 / 2
KE = 100 kg (20 m/s)^2 / 2
KE = 20000 J

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