Question

A water jet of velocity vj impinges normal to a flat plate which moves to the right at velocity vc ,as shown in fig. Find the force required to keep the plate moving at constant velocity if the jet density is 1000kg/m3, the jet area is 3 cm2, and vj and vc are 20 and 15m/s, respectively. Neglect the weight of the jet and plate,and assume steady flow with respect to the moving plate with the jet splitting into an equal upward and downward half-jet.

Answer 1

Explanation:

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