an object takes 5s to reach the ground from a height of 5m on a planet what is the value of g ?
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EQUATION
S =ut + 1/2at²
GIVEN
u = 0
S= 5m
t = 5
5 = 1/2 × 25 × g
5 = 12.5g
g = 0.4 m/s²
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