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The plot given below represents displacement s of a particle with time t. The particle is

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Important Questions on Measurement, Motion and Force

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NDA & NA EE
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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 1 - Measurement, Motion and Force>Practice Exercise>Q 49
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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NDA & NA EE
IMPORTANT
Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 1 - Measurement, Motion and Force>Practice Exercise>Q 50
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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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 1 - Measurement, Motion and Force>Practice Exercise>Q 51
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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NDA & NA EE
IMPORTANT
Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 1 - Measurement, Motion and Force>Practice Exercise>Q 53
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
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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 1 - Measurement, Motion and Force>Practice Exercise>Q 54
The dimension of 'impulse' is the same as that of_____.
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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 1 - Measurement, Motion and Force>Practice Exercise>Q 55
A particle is moving in a circular path of radius r at a constant speed v. Which one of the following graphs correctly represents its acceleration a?
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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 1 - Measurement, Motion and Force>Practice Exercise>Q 56
A force applied on a body is represented as F→=6i^-8j^+10k^ N and accelerates it at 1 m s-2. The mass of the body is___
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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 1 - Measurement, Motion and Force>Practice Exercise>Q 61
A man is sitting in a train which is moving with a velocity of 60 km h-1. His speed with respect to the train is