Question

17. A car accelerates uniformly from 18 kmh to 36 kmh in 2 seconds.
Calculate.
(a) Acceleration
(b) Distance covered by the car in that time.​

Answer 1

Answer:

Here, u=0,v=20km/h,t=30min=0.5h

Putting these values in v=u+at

20=0+a∗0.5

We get, a=40km/h

2

Putting the values in S=ut+

2

1

at

2

S=0∗0.5+

2

1

∗40∗0.5

2