Speed and Velocity, Work, Power and Energy MCQ with Answers

Speed and Velocity, Work, Power and Energy MCQ with Answers

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

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

33) What is the work done in joules if a load of 15.5 kg is lifted through a height of 4.4 metres?

Answer is:

669 Joules

34) What is the kinetic energy of a bullet of mass 5gm travels with a speed of 500 m/sec?

Answer is:

625 Joules