Q. 1/97· Easy
In case of perfectly elastic collision,
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In case of perfectly elastic collision,
The co-efficient of restitution e for a perfectly elastic collision is
Inertial frame of reference implies that
For which of the following does the centre of mass lie outside the body?
A frame of reference which moves with constant velocity with reference to a stationary frame of reference is called .
A jet engine works on the principle of
Which one of the following is 'NOT' a contact force?
Two equal masses and moving along same straight line with velocities and respectively collide elastically. Their velocities after collision will be respectively
Which of the following is weakest fundamental force under same condition?
Which one of the following is not a conservative force?
Which of the following person is in an inertial frame of reference?
When a body moves with a constant speed along a circle
A large force is acting on a body for a short time. The impulse imparted is equal to the change in
A body of mass experiences two forces and The acceleration acting on the body is :
Assertion : A light body and heavy body have same momentum. Then also they have same kinetic energy.
Reason : Kinetic energy does not depend on mass of the body
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