IF THE SPEED OF A BODY IS INCREASED FOUR TIME HOW WILL ITS KINETIC ENERGY BE AFFECTED ? SHOW BY CALCULATION?

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If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.

If we relied solely on the nonrenewable resources found in the u.s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal