Q.

Force on a flat stationary plate is

A. Velocity of jet before impact - velocity after impact
B. Difference in velocities of jet in the direction normal to plate
C. Mass of water x (difference in velocities of jet)
D. Mass of striking water x (velocity before impact in the direction normal to plate-velocity fter impact in the direction normal to plate).
E. None of the above
Answer» D. Mass of striking water x (velocity before impact in the direction normal to plate-velocity fter impact in the direction normal to plate).
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