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Neel Pratik Bhatt Grade: 11
        

A stone is thrown upwards with an accelaration of 10 m/sec.sq.If its velocity is 10m/sec, then find the distance and taken to reach the ground.


Please suggest the right method to do it


thanks

7 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
										

Dear NEEL bhatt


if you will through a stone in upward direction with an acceleration 10 m/sec2 in upword direction then it will keep movinf in upword direction ,and it will never come aback to ground.


 


but if the direction of acceleration is vertically downward .


then find the time when its velocity become zero


V= U -gt


0 = 10 - 10*t


 t =1 sec


ans same time it will take to come back to ground


so total time = 2*1 =2 sec


and for hight


V2 =U2 -2gh


0 = 100 -2*10 h


h =5 m


so total distance  H =2*5 =10 m


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Badiuddin

7 years ago
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