Question

a bus starts from rest and picks up a velocity of 90 km/h in 1 /2 minute. calculate the uniform acceleration of the bus in m/s square.

Answer 1

Convert km/hr into m/sec .
That's 90*5/18 which comes to 25m/s
Now using kinematics equation
25 =. 0+a*30
It comes to 25/30
0.834 m/sec^2