Question

the brakes are applied to a car to produa an acceleratten of 6m/s 2 In this epperle decofem to the motten. If the car derection to the motton. If the Lucan takes 3 sec to come to read after the complicatfen. calculate the G#3 initial velocity , the distance ttravelled by the car before stopping​

Answer 1

Answer:

s=27m

u=-18m/s

Explanation:

v=u+at

v=0

a=6

t=3

u=?

0=u+18

u=-18m/s

the answer is in negative because the speed of the car is decreased not increased

s=ut+at^2/2

s=-18X3+6x3^2/2

s=-54+27

s=27m