A falling stone takes 0.33s to travel past a window 2.20 m, Ask an Expert

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Q. A falling stone takes 0.33s to travel past a window 2.20 m tall on the right. From what height above the top of the window did stone fall?

Q. A proton orbits a long uniformly charged wire along a circular path. It makes 1 million revolutions per second. The radius of the orbit is 1 cm.

What is the wire's linear charge density?

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Category:- Physics
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