Question

A roller-coaster car is at the top of a hill. The car and its passengers have a combined mass of 1,088 kilograms. If the hill is 62 meters tall, how much potential energy does the car have?
(1 point)

Responses

1,159.8 J
1,159.8 J

330,534.4 J
330,534.4 J

661,068.8 J
661,068.8 J

67,456 J
67,456 J

PE=mgh

(1 point)

Answer 1

Use PE = mgh.

PE = (1088 kg)(9.8 m/s^2)(62 m) = 1088 × 9.8 × 62 = 661,068.8 J.

Answer: 661,068.8 J.