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A ring of diameter 7.00 cm is fixed in place and carries a charge of +5.00 µC uniformly spread over its circumference.
(a) How much work does it take to move a tiny +3.50-µC charged ball of mass 1.70 g from very far away to the center of the ring? (Assume the ball is moved along the axis of the ring.)
(b) Is it necessary to take a path along the axis of the ring? (I.e. is the amount of work done dependent on the path taken to bring the ball to the center of the ring?) Yes No Why?
(c) If the ball is slightly displaced from the center of the ring, what will it do? (Assume the displacement is along the axis of the ring.) accelerate away from the ring accelerate toward the ring What is the maximum speed it will reach?
A 5kg steel ball is dropped onto a copper plate from a heightof 10m. If the ball leaves a dent 3.2mm deep, what is the average force exerted by the plate on the ball during impact
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Two steel wires are stretched under the same tension. The first wire has a diameter of 0.515 mm, and the second wire has a diameter of 1.19 mm. If the speed of waves traveling along the first wire is 46.0 m/s, what is the speed of waves traveling alo..
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A rifle fires a bullet of mass 0.0350 kg which leaves the barrel with a positive velocity of 304 m/s. At what velocity does the rifle recoil
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