An orange fruit drops to the ground from the to... - WAEC Physics 1991 Question
An orange fruit drops to the ground from the top of a tree 45m tall. How long does it takes to reach the ground? (g = 10ms-2)
A
3.0s
B
4.5s
C
6.0s
D
7.5s
correct option: a
s = ut + (\frac{1}{2}gt^2)
45 = 0 + 5t2
t = 3s
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