Q12 of 146 Page 145

On what factors does the kinetic energy of a body depend?

Kinetic energy of a body depends on the mass and velocity of that body.


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10

Write an expression for the kinetic energy of a body of mass m moving with the velocity v.

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If the speed of a body is halved, what will be the change in its kinetic energy?

 13

Which would have a greater effect on the kinetic energy of an object: doubling the mass or doubling the velocity?

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How fast should a man of 50 kg run so that his kinetic energy will be 625 J?