Question

A car increases its speed from 10m/s to 30 m/s in 5 seconds. Find out acceleration.


a)2 m/s

b)2 m/s^2

c)4 m/s

d)4 m/s^2​

Answer 1

Answer:

4m/s²

Explanation:

Vi= 10m/s

Vf=30m/s

T=5 secs

a=?

Vf=Vi+at

30=10+a(5)

30=10+5a

30-10=5a

20=5a

20/5=a

4m/s²=a

Answer 2

Answer:

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