Question

a driver of car takes 0.205
(which is the reaction time of
driver) to apply the breaks
after be sees an obstruction at
a distance of 25m from him.
If he is driving
car at a
speed of 54 km / h and the
brakes cause a deceleration of
6.0 ms-2 predict whether he
will avert collision or not​

Answer 1

Answer:

I don't know sorry byeeeeeeee

Answer 2

Answer:

In reaction time the body moves with the speed 54 km/hr = 15 m/sec (constant speed) Distance travelled in this time is S1 = 15 × 0.2 = 3 m. When brakes are applied, u = 15 m/s, v = 0, a = –6 m/s2 (deceleration) Read more on Sarthaks.com - https://www.sarthaks.com/41753/driver-takes-apply-the-brakes-after-sees-need-for-this-called-the-reaction-time-the-driver

Explanation:

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