If a mango fruit dropped at a height of 50 meters. How long does it reach the ground? (take g = 10m/s2)
-
A.
2 sec -
B.
3 sec -
C.
4sec -
D.
3.2sec
Correct Answer: Option D
Explanation
From S = ut + ½gt2
u = 0ms-1
50 = (0 × t) + ½(10)(t2)
50 = 5.0t2
t2 =50/5
t = √10
t = 3.2sec
There is an explanation video available below.