1.

A water jet 0.02 m in area has a velocity of 15 m/s. If the jet impinges normally on a plate which is moving at a velocity 5 m/s in the direction of the jet, what is the force on the plate due to this impact ? (Density = 1000 kg/m)

A. 200 N
B. 2000 N
C. 20000 N
D. 4000 N
Answer» C. 20000 N


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