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Energy is the currency of transformation. All systems remain the same unless energy is exchanged between one part and another. Learn here about the energy associated with movement.

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When a ball is thrown up into the air, how does its kinetic energy change with time?

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Two trucks of equal mass are moving towards each other at equal speeds.

One of the truck driver calculates the total kinetic energy of the trucks.

A person standing on the ground also calculates the total kinetic energy of the trucks.

Who has calculated a greater value of kinetic energy?

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If the speed of a ship doubles, then what happens to its kinetic energy?

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