Question

5. The gravitational potential energy of 3 kg mass kept at height of 15 m above the ground is (g =
10 N/kg]:

Answer 1

Answer:

ANSWER

P.E=m×g×h

Given m=1 kg and h=1 m

P.E=1×10×5=50J

Hence potential energy is 50Joule.

...

Answer 2

Potential Energy = mgh

= 3×10×15

= 450 J