A320-g ball and a 400-g ball are attached to the two ends of a string that goes over a pulley with a radius of 8.7 cm. because of friction in its axle, the pulley does not begin to rotate. what is the magnitude of the frictional torque at the axle of the pulley if the system remains at rest when the balls are released?
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An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge
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Atotal charge of โ6.50 ยตc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 ร 105 n/c, radially inward b) 6.49 ร 105 n/c, radially outward c) 4.69 ร 105 n/c, radially inward d) 9.38 ร 105 n/c, radially outward e) 1.30 ร 106 n/c, radially inward
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Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec
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Physics, 22.06.2019 17:50
Convection occurs when thermal energy is transferred by the movement of
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A320-g ball and a 400-g ball are attached to the two ends of a string that goes over a pulley with a...
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