A spring pong ball of mass 
is floating in air by a jet of water emerging out of a nozzle. If the water strikes the ping pong ball with a speed 
and just after collision water falls dead, the rate of flow of water in the nozzle is equal to
a)
b)
c)
d)
A spring pong ball of mass is floating in air by a jet of water emerging out of a nozzle. If the water strikes the ping pong ball with a speed and just after collision water falls dead, the rate of flow of water in the nozzle is equal to
a)
b)
c)
d)
Question ID - 53978 | SaraNextGen Top Answer
A spring pong ball of mass is floating in air by a jet of water emerging out of a nozzle. If the water strikes the ping pong ball with a speed and just after collision water falls dead, the rate of flow of water in the nozzle is equal to
a)
b)
c)
d)
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A spring pong ball of mass |
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a) |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (c) -
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(c) The impact force Since the ball is in equilibrium
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where 
rate of flow of water in the nozzle and 
the velocity of water jet.
where 
mass of ping pong ball.
or rate of flow of water 
127 votes
Answer Link
127