Physics - Fluid Question with Solution | TestHub

PhysicsFluidMiscellaneousMedium3 minQB
PhysicsMediummultiple choice

The figure shows a cart of mass 10 kg initially kept at rest on a frictionless surface. A jet of liquid of density is directed on the cart. Velocity of the jet is and its cross section area is . If at , cart is released and allowed to move freely in horizontal direction then choose the CORRECT statement(s) :- (Assume elastic collision)

Options:(select one or more)

Answer:
A, B, D
Solution:

Elastic reflection: , jet speed v, cart speed u.

At : . (A) true.

gives ; at , . (B) true.

Acceleration then: . (C) false.

Power at : . (D) true.

Answer: A,B,D

Stream:JEESubject:PhysicsTopic:FluidSubtopic:Miscellaneous
3mℹ️ Source: QB

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