A 138 g charged ball is dropped into a deep hole. The ball has an excess of 34x108 electrons. After falling 73.5 m the b
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A 138 g charged ball is dropped into a deep hole. The ball has an excess of 34x108 electrons. After falling 73.5 m the b
A 138 g charged ball is dropped into a deep hole. The ball has an excess of 34x108 electrons. After falling 73.5 m the ball enters a uniform magnetic field of 0.202 T pointing to the right. N If air resistance is negligibly small, what is the magnitude of the magnetic force acting on the charge just after entering the magnetic field? What is the direction of the magnetic force acting on the charge just after entering the magnetic field? O To the right O Out of the screen O To the left O Into the screen
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