Lakhmir Singh Solutions Class 9 Physics Solutions for Exercise in Chapter 1 - Motion
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A train travelling at 20 m/s accelerates at 0.5 \mathrm{m/s^2} for the 30s. How far will it travel in this time?
Answer:
Initial velocity, u = 20 m/s
Time, t = 30s
Acceleration, a = 0.5 \mathrm{m/s^2}
s = \mathrm{ut+\frac{1}{2}at^2} = 825m
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