when a ball is dropped from a height of 9m, it bounces back 2-3s of the way assuming that the ball comes comes to rest after making a bounce which takes it less than 2mm higl. how many times does it bounce.

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Solution

The ball will keep bouncing till it looses all its energy (potential as well as kinectic energy)
but in question i cant understand what is 2-3s here .

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when a ball is dropped from a height of 9m, it bounces back 2-3s of the way assuming that the ball comes comes to rest after making a bounce which takes it less than 2mm higl. how many times does it bounce.

The ball will keep bouncing till it looses all its energy (potential as well as kinectic energy) but in question i cant understand what is 2-3s here .

The ball will keep bouncing till it looses all its energy (potential as well as kinectic energy)
but in question i cant understand what is 2-3s here .