A body is projected vertically upwards with a speed of 10 ms-1 from a point 2m above the ground. Calculate the total time taken for the body to reach the ground. [g = 10ms-2]
-
A.
1.00s -
B.
2.00s -
C.
2.18s -
D.
3.00s
Correct Answer: Option B
Explanation
T = (frac{2u}{g} = frac{2 times 10}{10} = 2s)