Question

2
The speed of a car is x km/h.
When the driver brakes, the number of metres, b, that the car travels before stopping is kor?.
When x = 50, b = 20.
Find an expression for b in terms of x.

Answer 1

Answer:

The speed of the car must be converted to meters per second:

v = 27.78 m/s

The stopping distance can be found using the formula:

d = 262.4 m

The stopping distance of the car on an icy highway is 262.4 m.

Step-by-step explanation: