. . . . . . . . has two types of energy?
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Physics GK · all questionsWork, Energy and Power
Work, Energy and Power
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What does mechanical energy equal?
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A simple machine helps a person in doing
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The energy of wind is
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What is the formula for power-
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What will be the kinetic energy of an object weighing 22 kg moving at a speed of 5 m/s?
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What does the raised hammer have?
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Which of the following the work done by a body does not depend on?
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Which of the following does not have kinetic energy?
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If an object is rotated in a circular path, what will be the work done on it in one rotation?
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The average power is equal to which of the following?
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A force of 50 N displaces an object 10 m. What will be the work done by the force?
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Body A whose mass is 2 kg and body B whose mass is 3 kg are moving towards each other at a velocity of 4 m/s and 2 m/s respectively, at the time of collision the elastic impact will be-
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If an agent doing 'W' works in time 't', then his power will be-
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What type of energy changes during the rain?
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Which one of the following is a vector quantity?
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Which one of the following force is non-central and non-conservative?
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A man puts 20kg object on his head by raising the object 2m above from the surface of earth. Then work done will be-
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What will be the force applied on an object of mass 'm' which is moving with acceleration 'a'?
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Consider the following sentences.
1. In an inelastic collision, only momentum is conserved.
2. In elastic collision, both momentum and kinetic energy are conserved.
3. In an inelastic collision, both momentum and kinetic energy are conserved
Which of the sentences given above are correct?
1. In an inelastic collision, only momentum is conserved.
2. In elastic collision, both momentum and kinetic energy are conserved.
3. In an inelastic collision, both momentum and kinetic energy are conserved
Which of the sentences given above are correct?
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