A bus starts from rest and reaches a speed of in

PHYSICS · Multi-part · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A bus starts from rest and reaches a speed of

54\,\text{km/h}

15\,\text{s}

. It then continues to accelerate and reaches

72\,\text{km/h}

after another

10\,\text{s}

. Answer the following: (a) Convert the two given velocities into

\text{m/s}

. (b) Calculate the acceleration during the first

15\,\text{s}

. (c) Calculate the acceleration during the next

10\,\text{s}