31) What is the potential energy, if a body of mass 250 kg is at a height of 30 metre?
Answer is:
73.57 KJ
Related Speed and Velocity, Work, Power and Energy MCQ with Answers
32) What is the potential energy in a body of mass 10 kg kept on the top of a pole 20 metres height?
Answer is:
1962 Joules
Answer is:
669 Joules
Answer is: