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04/01/2021 7:34 pm
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A train starting from a railway station and moving with uniform acceleration attains a speed 40 kmh-1 in 10 minutes. Find its acceleration.
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04/01/2021 7:38 pm
Here, initial speed, u = 0
Final speed, v = 40 kmh-1
= \(\frac{40 \times 1000}{60 \times 60}\)
= 11.11 m s-1
Time taken, t = 10 x 60 s = 600 s
Acceleration,
\(a = \frac{v-u}{t}\) = \(\frac{11.11-0}{600}\)
= 1.85 x 10-2 m s-2