Question

A car starting from rest attains a speed of 50 km/h in 20 seconds. Find its acceleration. I will give brainliest.

Answer 1

Answer:

hii!

car starts from rest so its initial velocity would be 0 and it attains speed of 50 km/h so this is its final velocity and time is 20 sec.... therefore

a=v-u/t....

a=50-0/t

a=50/20

a=5/2....

hence ans.is a=5/2...

I hope this helps u...

Answer 2

Answer:

Explanation:

First of all we have to convert km/ hr into m /s . So, 50 km/hr =50×5÷18=13.8 m/sec.

Now A = v-u÷t

13.8-0÷50=.276msquare