# Answer in units of meters/seconds

Anonymous

Question description

You are driving at the speed of 31.9 m/s (71 . 3735 mph) when suddenly the car in front of you (previously traveling at the same

speed) brakes. Considering an average human

reaction, you press the brakes 0

.

527 s later.

Assume that the brakes on both cars are fully

engaged and that the coefficient of friction is

0

.

773 between both cars and the road.

The acceleration of gravity is 9

.

8 m

/

s

2

.

Calculate the magnitude of the acceleration

of the car in front of you when it brakes.

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