Question

what is the retardation if a car moving with a velocity of50km/h is brought to rest in 45sec????

Answer 1

Answer:

-0.308m/s^2

Step-by-step explanation:

Using the equation v=u+at

here v=0, u=50*5/18 =250/18m/s

t=45sec

so

0=250/18+a*45

a=-250/810

a=-0.308m/s^2

Hope you get your answer ❤