a stone is dropped from a height of 20m. find- how long will it take to reach the ground and what will be it's speed when it hits the ground (if acceleration =10m/s)
Answers
Answered by
1
It will take 2 seconds to reach the ground.
Its speed will be 10m/s
Its speed will be 10m/s
Answered by
4
h=20m
g=10 m/s^2
u= 0m/s
h= ut+(1/2) gt^2
So, 20=(1/2)×10×t^2
So,t^2=4
So, t=2 sec
v=u+gt
So, v=0+10×2
= 20m/s
g=10 m/s^2
u= 0m/s
h= ut+(1/2) gt^2
So, 20=(1/2)×10×t^2
So,t^2=4
So, t=2 sec
v=u+gt
So, v=0+10×2
= 20m/s
sizaB:
2 second. I have already done it in the answer
but I want method
I have shown it in my answer
where it is
See answer by me Sizab
Okkk srry
I have not seen
It's ok
If u mention in question answer by soluyion then i definetely answer it by solving
thnx very much for it
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