Question

A brainstor tiny from Railway station attend

a speed of 21 m/ s in 1 minutes Find acceleration​

Answer 1

Explanation:

$acceleration \: = \frac{initial \: - final \:v }{time \: taken} \\ \\ = \: \frac{ 21m|s - 0}{60s} \\ \\ = \frac{21}{60} \\ \\ = \frac{7}{20}$