Physics, 24.07.2019 19:10 wwwchivova
Asanding disk with rotational inertia 6.5 x 10-3 kg·m2 is attached to an electric drill whose motor delivers a torque of magnitude 21 n·m about the central axis of the disk. about that axis and with torque applied for 54 ms, what is the magnitude of the (a) angular momentum and (b) angular velocity of the disk?
Answers: 3
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When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change? work power gravitational energy chemical energy
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Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?
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Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?
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Asanding disk with rotational inertia 6.5 x 10-3 kg·m2 is attached to an electric drill whose motor...
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