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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

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

Grade:11

1 Answers

Badiuddin askIITians.ismu Expert
147 Points
11 years ago

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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