Question

A car increases its speed from 20 kmph to 30 kmph in 10 seconds. Its acceleration is

Answer 1

Answer:

1 m/ s^2

Explanation:

$a = \frac{v-u}{t}$

⇒$a = \frac{10}{10\\}$

⇒a = 1

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Answer 2

Answer: 1 m/s^2

Explanation:

Initial speed (u)=20 km/h

Final speed(v)=30 km/h

Time=10 s

Acceleration= a=v-u/t

                        =30-20/10

                        = 1 m/s^2