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Physics-cbse-class-11-->View question

A train starting from a railway station and moving with uniform acceleration attains a speed 40 km h-1 in 10 minutes. Find its acceleration. - Physics Cbse class 11

A train starting from a railway station and moving with uniform acceleration attains a speed 40 km h-1 in 10 minutes. Find its acceleration.



Asked On2017-07-24 05:50:22 by:milan-ransingh

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Initial velocity of the train, u = 0 (since the train is initially at rest)
Final velocity of the train, v = 40 km/h = 40 × (5/18) = 11.11 m/s
Time taken, t = 10 min = begin mathsize 14px style 10 cross times 60 equals 600 space straight s end style
Concept Insight - Convert all the quantities in the same units and then proceed to calculation part.
Acceleration, a = (v-u)/t = 11.11 - 0/600 = 0.0185 m/s2.
Hence, the acceleration of the train is 0.0185 m/s2.

Answerd on:2017-07-25 Answerd By:Aparna-Dasgupta

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