MCQOPTIONS
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| 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 | |