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22-09-2014
Physics

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a stone falls freely from rest. How far does it fall in the first 10 seconds

Respuesta :

AndyBryer AndyBryer

22-09-2014

Presuming that air resistance can be ignored and we are saying that it accelerates due to gravity then we can form an equation using the formula s=ut+1/2at²
u=0
t=10
a=9.8
s=0*10+1/2*9.8*10²
s=490m

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