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Grade: 11
        a small hole is made in wall of the cylinder at a depth h below the free surface of the liquid the force exerted on the cylinder by the liquid flowing out of the hole initially will be proportional to
2 years ago

Answers : (1)

downey zer
73 Points
							
By bernoullis principle the velocity of liquid coming out is v= (2gh)0.5 the mass of the liquid coming out in 1 second m= dAv
where d is density A is area v is velocity
per second this much mass is coming out with the velocity v
therefore change in momentum per second= mv  which is equal to the force
therefore force is proportional to v2 which is proportional to h
2 years ago
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