(Answered) A 4-cm-diameter horizontal stationary water jet having a

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A 4-cm-diameter horizontal stationary water jet having a velocity of 50 m=s strikes a cone having an included angle at the apex of 60-. The water leaves the cone symmetrically. Determine the force needed to hold the cone if

(a) it is stationary

(b) it moves away from the jet at 20 m=s

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