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OpenStudy (anonymous):

An object with a potential energy of 200 joules is dropped from a height of 2.00 meters. What is its kinetic energy when it reaches the ground? a.50 joules b.100 joules c.200 joules d.400 joules

OpenStudy (anonymous):

i think it D.400 OR IT A 100

OpenStudy (gebooors):

Think about conservation of mechanical energy

OpenStudy (anonymous):

Assuming no loss due to friction, all the potential energy is converted to kinetic energy.

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