Question

A car starts from rest and after 7 second it is moving at 42 m/s. What is the car acceleration?
a) 7
b) 1.67
c)6
d) 0.17​

Answer 1

Answer:

c) 6 m/s²

Explanation:

Increase in velocity = 42 m/s

Time taken = 7 seconds

Acceleration = (42/7) m/s² = 6 m/s²