Question

A car starts from rest and attains a velocity of 72 km/h in 5 mins. What is the accelaration of the car​

Answer 1

Answer:

0.067 m/s²

Explanation:

given,

initial velocity (u) = 0

final velocity  (v) = 72 km/h = 72 × (5/18)m/s = 20 m/s

time (t)= 5 min = 5×60 = 300 s

we know that,

v = u + at

=> 20 = 0 + a × 300

=> a = 20/300 = 0.067 m/s²