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Showing posts with label LAWS OF MOTION. Show all posts

Two bodies of mass 4 kg and 6 kg are tied to the ends of a massless string. The string passes over a pulley which is frictionless. The acceleration of the system in terms of acceleration due to gravity (g) is :

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  (a) g           (b) g/2           (c) g/5           (d) g/10

A ball is moving with a velocity 2 m/s collide head on with another stationary ball of double mass if the coefficient of restitution is 0.5 then their velocities, (m/s ) After collision will be

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[CBSE-PMT-2010]  (a) 0 , 1         (b) 1 , 1      (c) 1 , 0.5      (d) 0 , 2 
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In a potentiometer circuit, a cell of EMF 1.5 V gives a balance point at 36 cm length of wire. If another cell of EMF 2.5 V replaces the first cell, then at what length of the wire, does the balance point occur?

In a potentiometer circuit, a cell of EMF 1.5 V gives a balance point at 36 cm length of wire. If another cell of EMF 2.5 V replaces the fi...