Mathematics
Mathematics, 12.08.2020 09:01, DEVORIA2001

A boy weighing blank kilograms is riding a skateboard. He’s moving at 2 meters/second and has 40 joules of kinetic energy. He doubles his speed when he sees his friends ahead of him. His kinetic energy at the faster speed is blank joules.

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A boy weighing blank kilograms is riding a skateboard. He’s moving at 2 meters/second and has 40 jou...

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