Author Question: A 1000-kg car and a 2000-kg car are hoisted to the same height. Raising the more massive car ... (Read 37 times)

Pineappleeh · **on:** Jul 29, 2018

A 1000-kg car and a 2000-kg car are hoisted to the same height. Raising the more massive car requires

A) less work.
B) as much work.
C) twice as much work.
D) four times as much work.
E) more than four times as much work.

Question 2

The unit kilowatt-hour is a unit of

A) energy.
B) momentum.
C) power.
D) time.