A car starts from rest and moves with a uniform acceleration of 30ms-2 for 20s. Calculate the distance covered at the end of the motion
-
A.
6km -
B.
12km -
C.
18km -
D.
24km
Correct Answer: Option A
Explanation
S = (ut + frac{1}{2}at^2)
S = (0 times 2 + frac{1}{2} times 30 times 20^2)