An object lifted 10 meters gains 200 J of potential energy. If the same object is lifted 20 meters, its potential energy gain is
A) half as much.
B) the same.
C) twice as much.
D) four times as much.
E) more than four times as much.
Answer: C
An object lifted 10 meters gains 200 J of potential energy. If the same object is lifted 20 meters, its potential energy gain is
A) half as much.
B) the same.
C) twice as much.
D) four times as much.
E) more than four times as much.