Physics, 27.03.2021 17:40 noobgirlaskthequest
A conveyor does 789 joules of work to lift products 7 meters. If the conveyor uses 900 joules of energy (work input), what is the conveyor’s efficiency?
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22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?
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A conveyor does 789 joules of work to lift products 7 meters. If the conveyor
uses 900 joules of en...
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