Question

A bus increases its speed from 36 km/hr to 72 km/hr in 2 sec what is its acceleration? *

Answer 1

Explanation

Given:

1. u=36km/h

=36*5/18

=10m/s

1. v=72km/h
2. =72*5/18

=20m/s

t=2sec

a=v-u/t

=20-10/2

=10/2

=5m/s²