Chemistry, 26.03.2021 22:20 kearahbillups677
2. A 275 kg rock is rolling faster and faster down the side of a mountain. At the bottom
of the mountain the rock has an instantaneous velocity of 3 m/s, at this moment what is
the kinetic energy of the rock?
3. A race car with a mass of 500 kg on a bridge 45 m above a river, what is the
potential energy of the car?
4. A race car with a mass of 500 kg is driving with an instantaneous velocity of 2.8 m/s,
what is the kinetic energy of the car?
5. Two blocks of wood with a mass of 0.02 kg are hanging 0.9 m above the floor, what
is the potential energy of the blocks of wood?
Answers: 3
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2. A 275 kg rock is rolling faster and faster down the side of a mountain. At the bottom
of the mou...
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