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Physics: Energy problems

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32,000 J

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Terms in this set (5)

A hydraulic lift raises an 800 kg car 4 m off the ground. What is the potential energy of the car? (g=10 m/s^2)

A 5 kg ball flies through the air with a velocity of 2 m/s. What is its kinetic energy?

A roller coaster is part way down a hill. At this point its PE = 50,000 J and its KE = 35,000 J. What is the total energy of the roller coaster?

If the potential energy of a roller coaster is 70,000 J at the highest point, what is its kinetic energy at the lowest point?

A roller coaster has kinetic energy of 80,000 J at the lowest point. Exactly halfway up a hill, what is the potential energy?