Question

A speeding car is traveling at a constant speed of 30.0 m/s when it passes a stopped police car. The police car accelerates at 4 m/s². How fast will it be going when it catches up with the speeding car

A) 60 m/s
B) 30 m/s
C) 20m/s
D) 10m/s

Answer 1

B.

Step-by-step explanation:

distance = 30 m

time = 1 second

The velocity of the police car is 4 m/s^2

Speed = distance / time

Hence, The police car has to speed up at 30 m/s to catch up with the speeding car.