Question

Calculate the acceleration of a bus that speed up from 20ms-1 to 40ms-1 in 8 seconds?​

Answer 1

2.5 ms^-2

Step-by-step explanation:

acceleration

= (final velocity - initial velocity)/time

= [(40m/s) - (20m/s)]/8s

= (20m/s)/8s

= 5/2 m/s²

= 2.5 m/s²

= 2.5 ms^-2