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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The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e
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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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