Question

The distance (in meters) at which a car needs to stop is equal to 4 times the square root of the speed of the car (in meters per second) when the driver

applies the brake A car is travelling 9 meters per second What is the distance at which the car will stop when the driver applies the brake

Answer 1

• 12 m

Explanation:

As per given the formula for distance is:

• d = 4√s

If s = 9 m/s, then the distance is:

• d = 4√9 = 4*3 = 12 m