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
Physics, 22.06.2019 14:00
Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.
Answers: 1
Physics, 22.06.2019 23:30
When barack obama was running for president, at a campaign stop he tried to bowl, something he isn't very good at. the media loved it because he threw a gutter ball while they were all watching. this is an example of:
Answers: 2
Scallops use jet propulsion to move from one place to another. Their shells make them denser than wa...
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