Question

Two objects were lifted by a machine. One object had a mass of 2 kilograms and was lifted at a speed of 2m/sec. the other had a mass of 4 kilograms and

was lifted at a rate of 3m/sec.
which object had more potential energy when it was lifted to a distance of 10 meters. show your work

Answer 1

first one is 1 kg for 1m/sec.
second one is 1 kg for 4/3m/sec.

the first one needs more potential energy when it was lifted to a distance of 10 meters.