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Tushar Watts Grade: 12
        

ques) A point mass starts moving in a straight line with constant acceleration. After time to the acc changes its sign, remaining the same in magnitude. Dtermine the time t from the beginning of motion in which the point mass returns to its initial problems.

7 years ago

Answers : (1)

AskiitianExpert Shine
10 Points
										

Hi Tushar


Ans.  total time = 2t0


Apply v = u + at and find the velocity after time to(u = 0) and then after finding v , use this v to find the time t for the rest of the motion by jst changing the sign of acceleration and again apply v=u + at (final velocity = 0 ) .


add up the two times to get the total time.


 

7 years ago
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