1.

A water jet, 0.0020 m2 in area, is issued from a nozzle with a velocity of 10 m/s. It is made to impinge perpendicular on a plate that moves away from the jet with a velocity of 5 m/s. The force on the plate is:

A. 75 N
B. 100 N
C. 50 N
D. 150 N
Answer» D. 150 N


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