Physics, 21.07.2020 19:01 heggestade
As an ice skater begins a spin, his angular speed is 3.14 rad/s. After pulling in his arms, his angular speed increases to 5.94 rad/s. Find the ratio of teh skater's final momentum of inertia to his initial momentum of inertia.
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How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57×10−21 newtons?
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Physics, 23.06.2019 03:30
First to answer will be the brainliest i need the answer asap
Answers: 1
As an ice skater begins a spin, his angular speed is 3.14 rad/s. After pulling in his arms, his angu...
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