Question

make velocity- time and displacement-time graph of a car which was initially moving with 40 m/s and has been applied brake which gives it a retardation of 5 m/s2​

Answer 1

Answer:

u=40m/s

a=5m/s2

v=0

we know v=u+at

*v-u=at

t=v-u÷a

:t=8s

and v2=u2+2as

s=v2-u2÷2

s=160