Physics
JAMB 2015
If a mango fruit dropped at a height of 50 meters. How long does it reach the ground? (take g = 10m/s
2)
-
A.
2 sec
-
B.
3 sec
-
C.
4sec
-
D.
3.2sec
Correct Answer: Option D
Explanation
From S = ut + ½gt
2
u = 0ms
-1
50 = (0 × t) + ½(10)(t
2)
50 = 5.0t
2
t
2 =50/5
t = √10
t = 3.2sec
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