A train starting from railway station attains a speed of 21m/s in 1 min.find its acceleration
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v = u + at
a = (v-u)/t
a = (21 – 0)/60
a = 7/20m/s^2
a = (v-u)/t
a = (21 – 0)/60
a = 7/20m/s^2
Answered by
2
here 1 minute= 60 seconds
acceleration=change in velocity/time interval
i.e,change in velocity= 21m/s
time interval=60s
= 21m/s÷60s= 0.35
acceleration=change in velocity/time interval
i.e,change in velocity= 21m/s
time interval=60s
= 21m/s÷60s= 0.35
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