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The wheel of an automobile has a mass of 25 kg and a diameter of 67.0 cm. Assume that the wheel can be regarded as a uniform disk.
(a) What is the angular momentum of the wheel about its axle when the automobile is traveling at 25 m/s (90 km/h) on a straight road?
(b) What is the torque on the wheel when the automobile is traveling at the same speed along a curve of radius 83.0 m.
The coefficient of friction between his clothes and Earth is 0.70. He slides so that his speed is zero just as he reaches the base.
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What is tension in the cord
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one end of a unifrom meter stick of mass 0.25kg is placed against a vertical wall. The other end is held by a lightweight cord making an angle ? =20 degree with the stick, find the frictional force between the stick and the wall
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A red blood cell typically carries an excess charge of about -2.5 × 10-12 C distributed uniformly over its surface. How many excess electrons does a typical red blood cell have
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the aorta is a major artery, rising upward from the left ventricle of the heart and curving down to carry blood to the abdomen, what is the magnitude (in m/s^2) of the blood's centripetal acceleration
From the top of a 70m building, you throw a ball straight up at 6m/s. The ball misses the building on the way down. what is the maximum height of the ball
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