A wheel is rotating freely at angular speed 420 rev/min on a shaft whose rotational inertia is negligible. A second wheel, initially at rest and with 7 times the rotational inertia of the first, is suddenly coupled to the same shaft. (a) What is the angular speed of the resultant combination of the shaft and two wheels
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Physics, 22.06.2019 01:40
In all trials, the magnitude of the final velocity for g1 + g2 was less than the magnitude of any initial velocity. as mass increased, what happened to the velocity? the velocity decreased. the velocity increased. the velocity of g1 + g2 could not be measured. the velocity was not affected by the mass increase.
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Physics, 22.06.2019 12:10
Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.
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Physics, 22.06.2019 17:30
Current from a charged capacitor lights a bulb. as time goes on the brightness of the
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Cereal plants gain chemical potential energy as they grow. which form of energy is converted to create the chemical potential energy?
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A wheel is rotating freely at angular speed 420 rev/min on a shaft whose rotational inertia is negli...
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