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Question: Four identical particles, each with mass m and charge Q, are initially at the four corners of a square with side a. If all four particles are simultaneously released from rest,
Part A: What is their speed when they are a large distance apart?
Please Help and show steps. I am trying to understand how to work this question. Thanks in advance!
Two batteries in parallel, each of emf 10 V and internal resistance 0.5 ?, are connected to an external 20 ? resistor. Find the current in the external resistor.
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A 5kg mass starts from rest and slides down on an inclined plane, hits a bumper at the bottom of the inclined plane and bounces back up the inclined plane and comes to rest again. During the collision with the bumper, 0.7j of energy is lost. The m..
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