Physics-
General
Easy
Question
A fire hydrant delivers water of density 
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 crosssection throughout. The force exerted by the water on the corner of the hydrant is
- VL
- zero
- 2VL
VL
VL
The correct answer is:
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)
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