Question

pls can anyone help me...​

Answer 1

The velocity of efflux of the liquid is given as

v=2gy

The impact force of the emerging liquid on the vessel + liquid content is equal to

F=vdmdt=vaρv=aρv2

(since av = volume per sec & avρ = mass per sec )

F=aρ(2gy)=2aρgy

The force of friction = f = F = 2aρgy

μN = 2aρgy

μ(Aρgy) = 2a ρgy

μ = 2a/A

I HOPE IT HELPS. ☺

Answer 2

Answer:

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