Answer:
KINETIC ENERGY OF ASTEROID IMPACTS ON EARTH
Kinetic Energy (From The Sciences, 6th ed., by Trefil and Hazen)
Think about a cannonball flying through the air. When it hits a wooden target, the ball exerts a force on the fibers in the wood, splintering and pushing them apart and creating a hole. Work has to be done to make that hole; fibers have to be moved aside, which means that a force must be exerted over the distance they move. When the cannonball hits the wood, it does work, and so a cannonball in flight clearly has the ability to do work—that is, it has energy—because of its motion. This energy of motion is what we call kinetic energy.
Explanation:
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