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zaphod
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A falling stone takes 0.2 seconds to fall past a window which is 1 m high. From how far above the top of the window was the stone dropped?
 2 years ago
 2 years ago
zaphod Group Title
A falling stone takes 0.2 seconds to fall past a window which is 1 m high. From how far above the top of the window was the stone dropped?
 2 years ago
 2 years ago

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zaphod Group TitleBest ResponseYou've already chosen the best response.0
@sauravshakya
 2 years ago

zaphod Group TitleBest ResponseYou've already chosen the best response.0
shall i show the working?
 2 years ago

zaphod Group TitleBest ResponseYou've already chosen the best response.0
s= ut +1/2at^2 s 1 = 1/2 * 9.81 * (0.2)^2 s = 1.196
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.2
s=ut+1/2 at^2 x=0+1/2 * 9.81 * (0.2)^2 x=0.196 m
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.2
Is the answer 0.196m
 2 years ago

zaphod Group TitleBest ResponseYou've already chosen the best response.0
but the answer is 0.82
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.2
oh got it..
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.2
Actually, s= ut + 1/2 at^2 1 = u*0.2 + 1/2 (9.81) *(0.2^2) u=4.02 m/s
 2 years ago

zaphod Group TitleBest ResponseYou've already chosen the best response.0
a falling stone right
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.2
Now, v^2=u^2+2as (4.02)^2=0^2+2*(9.81)*x x=0.82m
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.2
Yes, the falling stone takes 0.2 seconds to reach the ground from the window
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.2
got it?
 2 years ago

zaphod Group TitleBest ResponseYou've already chosen the best response.0
dw:1345877484628:dw
 2 years ago

zaphod Group TitleBest ResponseYou've already chosen the best response.0
can u drw a diagram?
 2 years ago

zaphod Group TitleBest ResponseYou've already chosen the best response.0
oh i get it:)
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.2
@zaphod u there?
 2 years ago

zaphod Group TitleBest ResponseYou've already chosen the best response.0
i understood thnks bro:)
 2 years ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.2
dw:1345878136099:dwActually its:
 2 years ago
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