Physics, 24.09.2021 14:00 emilyjanae9961
A crane lifts a van by 15m in 25s. What is the average power exerted by the crane motor if it lifts it at a constant speed
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Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?
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According to social exchange theory, altruistic behaviors benefit the individual who performs them.
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If we relied solely on the nonrenewable resources found in the u.s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal
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Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?
Answers: 1
A crane lifts a van by 15m in 25s. What is the average power exerted by the crane motor if it lifts...
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