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WCS
WCS Set-1
Speed and Velocity, Work, Power and Energy
27

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

27) What is the formula for potential energy?

mgh joule

mgh² joule

1/2 mgh joule

2/3 mgh joule

Answer is:

mgh joule

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

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

28) What is the formula for kinetic energy?

(1/2) mv joule

(1/2) mv² joule

(2/3) mv² joule

(2/3) mv joule

Answer is:

(1/2) mv² joule

29) How much work done in one hour, if a pump can raise 100 liters of water through a height of 200 meters in one minutes?

12 x 104 kg meter

12 x 105 kg meter

12 x 106 kg meter

12 x 107 kg meter

Answer is:

12 x 105 kg meter

30) What is the work done, if a force of 250 newtons acted upon a body and the body has been moved through a distance of 15 metres?

3720 Joules

3730 Joules

3740 Joules

3750 Joules

Answer is:

3750 Joules

31) What is the potential energy, if a body of mass 250 kg is at a height of 30 metre?

72.57 KJ

73.57 KJ

74.57 KJ

75.57 KJ

Answer is:

73.57 KJ

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

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