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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

6 years ago

Answers : (1)

AKASH GOYAL AskiitiansExpert-IITD
419 Points
										

Dear Neel


stone will go upwards  and at its maximum height its velocity will be zero


apply v2= u2 + 2as


put,v=0, u= 10, a=g=-10 m/s2


s=?


0=100-20*s


it gives s= 5m


it will cover total distance of 2*5=10m (up and down)


for calculation of time use s=ut + 0.5at2


remember s in these equtions is displacment , when stone go up and then come down total displacement will be zero.


s=0, u= 10, a=g=-10


put these values it gives t=2 sec.


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AKASH GOYAL
AskiitiansExpert-IITD


 

6 years ago
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