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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

AKASH GOYAL AskiitiansExpert-IITD
419 Points
10 years ago

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

 

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