Question

Hii Guys....!
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please answer fast... ​

Answer 1

Answer:

a -20m/s^2

u=40m/s

v=0 as car stop

by first kinamatical equation

v=u+at

0=40-20t

20t=40

t=2 s

by 3rd kinamatical equation

v^2=u^2+2as

0=(40)^2 -2×20s

40s=1600

s=40m

Answer 2

hiii dirsti di can u make my dii u are so cute