If it takes an object 3s to fall freely to the ... - JAMB Physics 2011 Question
If it takes an object 3s to fall freely to the ground from a certain height, what is the distance covered by the object?
A
90 m
B
30 m
C
45 m
D
60 m
correct option: c
S = (1)/2gt2
S = (1)/2 x (10)/1 x 32 =5 x 9 = 45 m
S = (1)/2 x (10)/1 x 32 =5 x 9 = 45 m
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