Question

A boy running in a straight line increases his velocity from 12 km/ hr to 20 km/ hr in 20 seconds. Find his average acceleration.
a) 1/9 m/sec
b) 1/9 m^2/sec
c) 1/9 m/sec^2
d) Zero

Answer 1

Answer:

A

Explanation:

20/12 will be the answer a