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An object is undergoing a non-accelerated motion. It's rate of change in momentum is

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Important Questions on Measurement, Motion and Force

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A motor vehicle is moving on a circle with a uniform speed. The net acceleration of the vehicle is:
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Which one among the following situations is best represented by the velocity-time graph shown below?

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Motion of a particle can be described in x- direction by x=asinωt and y- direction by y=bcosωt. The particle is moving on
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The plot given below represents displacement s of a particle with time t. The particle is

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A bullet of mass 20 g is fired in velocity 150 m s-1 from a pistol of mass 1 kg. Recoil velocity of the pistol is
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A passenger in a moving train tosses a coin upward which falls behind him. It implies that the motion of the train is
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Two cars A and B have masses mA and mB respectively, with mA>mB. Both the cars are moving in the same direction with equal kinetic energy. If equal braking force is applied on both, then before coming to rest
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A particle is moving with uniform acceleration along a straight line ABC, where AB=AC. The average velocity of the particle from A to B is 10 m s-1 and from B to C is 15 m s-1. The average velocity for the whole journey from A to C in m s-1 is