Can someone explain it with steps? A car was moving on a road at a constant speed of 15 m/s when suddenly the car driver saw some animal on the road at a distance of 21 m from the car, so he applied the brakes after a response time of 0.4 s and stopped before hitting the animal by 1 m. What was the deceleration of the car?

a-7.5 m/s^2

b-5.2 m/s^2

c-8.0 m/s^2

d-5.6 m/s^2

Option C is the correct answer

Explanation:

Distance travelled by car during reaction time

The car stopped before hitting the animal by

Distance travelled during deceleration is

Hence by

We have

Option C is the correct answer

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