Question

Fig. 2.22
A car is travelling at 24 m/s along a straight road. The driver applies the brakes and the car undergoes a uniform
deceleration of 6 m/s?.
How long does the car take to come to rest?​

Answer 1

Answer:

using formula

v = u+at

v= 0 m/s

u= 24 m/s

a= -6 m/s²

t= v-u/a

t = -24/-6

time = 4seconds

Explanation:

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Answer 2

Answer:

4 sec

Explanation:

u = 24 m/s

a = -6 m/s

v = 0 m/s

t = ?

We know that,

v = u + at

=> 0 = 24 + (-6)t

=> -6t = -24

=> t = 4