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3. A train starting from a railway station and moving with uniform acceleration attains a speed 40 km hrl in 10 minutes. Find its acceleration. |
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Answer» Given parametersInitial velocity (u) = 0Final velocity (v) = 40 km/hv = 40 × (5/18)v = 11.1111 m/sTime (t) = 10 minutet = 60 x 10T = 600 sAcceleration (a) =?Consider the FORMULAV = u + at11.11 = 0 + a × 60011,11 = 600 aa = 11.11/600a = 0.0185 ms-2 |
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