Question

please give correct answer ​

Answer 1

Answer:

1. v= final velocity = 72 km/h = 72 × 5/18= 20 m/s

u = initial velocity = 36 km /h = 36 × 5/18 = 10m/s

t = time taken = 9:45 - 9:25 = 30 minutes = 1800s

a= v/t - u/t

a = 20/1800 - 10/1800

a= 1/180

= 0.0055