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Q. A small glass bead has been charged to + 10nC. A metal ball bearing 1.90cm above the bead feels a 1.20×10-2 N downward electric force. What is the charge on ball bearing?

Q. A horse canters away from its trainer in a straight line, moving 117 away in 14.3. It then turns abruptly and gallops halfway back in 4.80. Calculate its average speed for the entire trip.

Compute its average velocity for the entire trip, using "away from the trainer" as the positive direction.

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Category:- Physics
Reference No.:- M9292554

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