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Nitin Gupta Grade: 11
        

1.Two billiard balls each of mass 50g moving in opposite direction with a speed of 36km/h collide and rebound with same velocity.What is the impulse imparted to each balls due to the other ball?


2.A ball of mass 100g falls from a height of 5m and rebounds to a height of 1.25m.Calculate the impulse and average force between the ball and the ground if the time of contact is 0.1sec.


3.A cricket ball of mass 2kg moving with a velocity of 20m/s is brought to rest by a player in 0.1 second.


a)Find the impulse of the ball


b)The force applied by the player


4.An aeroplane travelling at a speed of 500km/h bends its wings at an angle of 30 degree with the vertical when it takes a turn.What's the radius of the turn?


5.A motorcyclist goes along a circular path of radius 320m at a speed of 144km/h.What's the angle of bending?

7 years ago
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