Physics, 12.04.2021 23:00 alexisgonzales4752
Calculate the rotational kinetic energy in the above merry-go-round plus child when they have an angular velocity of 20.0 rpm. (b) Using energy considerations, find the number of revolutions the father will have to push to achieve this angular velocity starting from rest. (c) Again, using energy considerations, calculate the force the father must exert to stop the merry-go-round in 2revolutions.
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Calculate the rotational kinetic energy in the above merry-go-round plus child when they have an ang...
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