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Question 1

A man is sitting in a train which is moving with a velocity of 60 km/hour. His speed with respect to the train is:

Question 2

A force applied on a body is represented as –

and accelerates it at 1 m/s2. The mass of the body is

Question 3

A bullet is fired vertically up from a 400 in tall tower with a speed 80 m/s. If g is taken as 10 m/s2, the time taken by the bullet to reach the ground will be

Question 4

A particle is kept at rest at origin. Another particle starts from (5, 0) with a velocity of Find their closest distance (in m) of approach.

Question 5

Two blocks of masses 10 kg and 4 kg are connected by a spring of negotiable mass and placed on a frictionless horizontal surface. An impulse gives a velocity of 14ms-1 in the direction of the lighter block to heavier block. The velocity of the Centre of mass is
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Sep 24CDS & Defence