Physics, 07.02.2022 02:10 kyleryoung0602
a grinding wheel initially at rest, is rotated with constant angular acceleration a = 5.0 rad/s2 for 8.0 s. The wheel is then brought to rest, with uniform negative acceleration, in 10 rev. Determine the negative angular acceleration required and the time needed to bring the wheel to rest
Answers: 3
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Write short note on the following ; collision theory, rotation angle and angular velocity, centripetal acceleration, coriolis force, and newton's law of gravitation.
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Aquantity of gas has a volume of 1.5 m3 and an absolute pressure of 95 kpa. when the gas is compressed to a volume of 0.5 m3, what is the new absolute pressure of the gas? (assume that there’s no change in temperature.)
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(a) if the pressure in gas is doubled while its volume is held constant, by what factor do (i) vrms and (ii) change? (b) is it possible to boil water at room temperature (20oc) without heating it? explain.
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a grinding wheel initially at rest, is rotated with constant angular acceleration a = 5.0 rad/s2 for...
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