A ball rolls down an inclined track 2 m long 4s. Find (i) acceleration (ii) time taken to cover the second metre of the track and (iii) speed of the vall at the bottom of the track.
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The ball takes twice as much time to roll from Q to O as it does to roll from P to O. (ii) The acceleration of the ball at Q is twice as large as the ... ii and iii only.
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