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प्रश्न
A train starting from Railway Station attains a speed of 21 m/s in one minute. Find its acceleration.
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उत्तर
(b) We will find the value of uniform acceleration.
Initial velocity (u) 0 m/s
Final velocity (v) = 21 m/s
Time taken (t) = 60 s
Acceleration :
`a = (v-u)/t`
Putting the values in the above equation , we get :
`a = (21-0)/60`
= `0.35 "m/s"^2`
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