+2 votes
in JEE by kratos

A *** hydrant delivers water of density ρ* at a volume rate L. The water travels vertically upward through the hydrant and then does 90 turn to emerge horizontally at speed V. The pipe and nozzle have uniform cross-section throughout. The force exerted by the water on the corner of the hydrant is:

(A) ρVL

(B) zero

(C) 2ρVL

(D) 2ρVL

1 Answer

+4 votes
by kratos
 
Best answer

Correct Option (D) 2ρVL

Explanation:

Force exerted = change in momentum

...