Physics, 06.05.2020 07:29 jack253680
Scallops use jet propulsion to move from one place to another. Their shells make them denser than water, so they normally rest on the ocean floor.
If a scallop wishes to remain stationary, hovering a fixed distance above the ocean floor, it must eject water so that the thrust force on the scallop is .
a) upward; upward
b) upward; downward
c) downward; upward
d) downward; downward
Answers: 2
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Scallops use jet propulsion to move from one place to another. Their shells make them denser than wa...
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