A mango fruit drops from a branch 10m above the ground, just before hitting the ground its velocity is (g = 10ms-2)
-
A.
10√2ms-1 -
B.
10ms-1 -
C.
100ms-1 -
D.
5√2ms-1 -
E.
200ms-1
Correct Answer: Option A
Explanation
Using, V2 = U2 + 2gs
V2 = 02 + (2 x 10 x 10)
V = 10√2ms-1