Question

A car required velocity of 40km/s^2 in 10sec just after the start it take 20sec find acc in both case
please someone answer this quickly I have an exam tomorrow ​

Answer 1

Answer:

4m/s^2 and

2m/s^2

Explanation:

In case 1,

u=0m/s

v=40m/s

t= 10s

Now,

a = (v-u)/t

= (40-0)/10

=4m/s^2

In case 2,

when t=20s, answer become 2 in the same way