Physics, 26.07.2020 14:01 sherlock19
a figures skater rotating at 5 rads with arms extended has a moment of inertia of 2.25 kg. if the arms are pulled in so the moment of inertia decrease to 1.8 what is the final angular speed
Answers: 3
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Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide? kg β’ what must the total momentum of the system be after the train cars collide? kg β’
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Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.
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An electron in an x-ray machine is accelerated through a potential difference of 1.00 Γ 104 v before it hits the target. what is the kinetic energy of the electron in electron volts?
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If a nissan titan has a mass of 2,300 kilograms how many grams is that
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a figures skater rotating at 5 rads with arms extended has a moment of inertia of 2.25 kg. if the ar...
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