An object Takes 5 seconds 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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Step-by-step explanation:
here s = 5m, t = 5s, u = 0 a = g = ?
we know that
s = ut + 1/2at²
5 = 0(5) + 1/2(a)(5)²
5 = 0 + (a)25/2
a = 5(2/25)
a = 2/5
a = 0.4m/s²
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