Question

a car travelling at a speed of 54 kilometre per hour is brought to rest in 19 seconds find the distance travelled by the car before coming to rest ​

Answer 1

Answer:

285m

Explanation:

speed :-54 km/h =54×5/18=15m/s

time :- 19 sec

distance:-❔

speed=distance/time

speed × time =distance

15 × 19 = 285 m

Answer 2

Answer:

Here Is The Answer

v=u+at

0=15+19a

a=-0.78 m/s^2

Now,

s=ut+1/2at^2

s=15×19+1/2×0.78×(19)^2

s=429m