Question

2) A car travelling 36m/h speeds upto 72km/h in 5 seconds. What is its acceleration​

Answer 1

Answer:

Here, u=36km/h=10m/s,v=72km/h=20m/s,t=5s

a=v−ut=20−105=2m/s2

In the second case , u=72km/h=20m/s,v=0,t=20s.

a=v−ut=0−2020=−1m/s2

2m/s2  ; −1m/s2

Answer 2

Answer:

36× 72= 2592

Explanation:

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