1.

A jet of water issues from a 5 cm diameter nozzle, held vertically upwards, at a velocity of 20 m/sec. If air resistance consumers 10% of the initial energy of the jet, then it would reach a height, above the nozzle, of

A. 18.35 m
B. 19.14 m
C. 19.92 m
D. 20.00 m
Answer» B. 19.14 m


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