The direction of impulse is
same as that of the net force
opposite to that of the net force
same as that of the final velocity
same as that of the initial velocity
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A particle of mass is moving with velocity , it is given an impulse such that the velocity becomes . Then magnitude of impulse is equal to
Impulse change in momentum
A force newton produces an acceleration of in a body. The mass of the body is
A particle of mass subject to a force with . What will be its initial acceleration if it is released from a point away from the origin?
Mass (m)
A small ball of mass is thrown upward with velocity from the ground. The ball experiences a resistive force where is its speed. The maximum height attained by the ball is :
A block of metal weighing is resting on a frictionless plane (as shown in figure). It is struck by a jet releasing water at a rate of and at a speed of . Then, the initial acceleration of the block, in , will be:
3
6
5
4
An object of mass moves at a constant speed of . A constant force, that acts for on the object, gives it a speed of in opposite direction. The force acting on the object is
Here ?
Using
A player stops a football weighting which comes flying towards him with a velocity of . If the impact lasts for th sec. and the ball bounces back with a velocity of , then the average force
Here ;
Force
A large force is acting on a body for a short time. The impulse imparted is equal to the change in
acceleration
momentum
energy
velocity
If a large force acts for a short time the impulse imparted is
change in momentum
China wares are wraped in straw of paper before packing. This is the application of concept of
impulse
force
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