A train at 72 km hr completely crosses another train having three forth of its length and going in the opposite direction at 54 km hr in 20 sec if it also passed a railway platform in 1 minute, the length of the platform is (a) 740 m (b) 750 m (c) 620 m (d) 800 m (e) 860m A train at 72 km hr compl...

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A train at 72 km/hr completely crosses another train having three forth of its length and...

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Introductory Classical Mechanics

ISBN: 978-0521876223

1st edition

Authors: David Morin

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A train at 72 km/hr completely crosses another train having three forth of its length and...

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Introductory Classical Mechanics

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