A train starting from Railway Station attains a speed of 21 m/s in one minute. Find its acceleration.

As given, a train starts from railway station. 

Therefore, its initial velocity $u=0$

Final speed $v=21\ m/s$

Time take $t=1\ minute=60\ sec.$

Therefore, acceleration $a=\frac{v-u}{t}$

$=\frac{21-0}{60}\ m/s^2$

$=\frac{21}{60}\ m/s^2$  

Thus, acceleration is $\frac{21}{60}\ m/s^2$.


Simply Easy Learning

Updated on: 10-Oct-2022

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