10-07-2017
Physics

contestada

The velocity - time graph of a ball of mass 25g moving on road is as given below:
(a) How much force does the road exert on the ball to bring it to rest?
(b) What is the direction of the force exerted by the road?

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cclifford68ot4241 cclifford68ot4241

15-07-2017

25g of mass will require 25g of opposite force on the ball from the road and opposition is moving upward to work on the ball

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