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A train is moving with a speed of 72 kmh...

A train is moving with a speed of `72 kmh^(-1)` on a curved railway line of `400 m` radius. A spring balance loaded with a block of weight 5 kg is suspended from the roof of the train. What would be the reading of the balance? Take `g = 10 ms^(-2)`.

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The correct Answer is:
5.025 kg wt
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