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anonymous
 3 years ago
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?
anonymous
 3 years ago
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?

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0shall i show the working?

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

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

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0but the answer is 0.82

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Actually, s= ut + 1/2 at^2 1 = u*0.2 + 1/2 (9.81) *(0.2^2) u=4.02 m/s

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0a falling stone right

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

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Yes, the falling stone takes 0.2 seconds to reach the ground from the window

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1345877484628:dw

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0i understood thnks bro:)

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1345878136099:dwActually its:
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