#10 | Mindmap
(Physics) > Work,Energy and Power
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Related Practice Questions :

If the increase in the kinetic energy of a body is 22%, then the increase in the momentum will be

(1) 22%

(2) 44%

(3) 10%

(4) 300%

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If momentum is increased by 20%, then K.E. increases by 

(1) 44%

(2) 55%

(3) 66%

(4) 77%

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The kinetic energy of a body of mass 2 kg and momentum of 2 Ns is 

(1) 1 J

(2) 2 J

(3) 3 J

(4) 4 J

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A body of mass m1 moving with uniform velocity of 40 m/s collides with another mass m2 at rest and then the two together begin to move with uniform velocity of 30 m/s. The ratio of their masses m1m2 is

(1) 0.75

(2) 1.33

(3) 3.0

(4) 4.0

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A sphere of mass m moving horizontally with velocity v0 collides against a pendulum bob of mass m. If the two masses stick together after the collision, then the maximum height attained is

(1) v022g

(2) v024g

(3) v026g

(4) v028g

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