an object takes 5 second to reach the Ground from a height of 5 metre on a planet. what is the value of g on the planet?
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h=ut+gt^2/2
u=0
g=2h/t^2
g=2*5/5^2
ans:g=0.4ms^-2
u=0
g=2h/t^2
g=2*5/5^2
ans:g=0.4ms^-2
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