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Q. A 7.8 kg bucket of water is raised from a well by a rope. the acceleration of gravity is 9.8 meter per seconds squared. if the upward acceleration of the bucket is 2.2 meters per second squared, find the force exerted by the rope on the bucket.

Q. A metallic object is given a negative charge by the process of induction. What happens to the object's mass?

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Category:- Physics
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