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03/09/2021 4:42 pm
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A train starting from a railway station and moving with uniform acceleration attains a speed of 40 k/hr in 10 minutes. Find its acceleration in the units of m/s.
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03/09/2021 4:47 pm
Given, t = 10 min = 10 x 60 = 600 s
Initial speed of train is given as u = 0 m/s
Final speed of train as v = 40 k/h
= \(\frac{40 \times 1000}{3600}\)
= 11.1 m/s
Now acceleration is given by the relation:
a = \(\frac{v - u}{t}\)
= \(\frac{11.1 - 0}{600}\)
= 0.0815 m/s