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Frictional Force

A passenger t...

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A passenger take2 minutes standing moving escalator to reach the top. If escalator is stationary he takes 3 minutes to walk up Time taken to reach the top when he walk upon moving escalator

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Q. It takes one minute for a passenger standing on an escalator to reach the top. If the escalator does not move it takes him 3 minutes to walk up. How long will it take for the passenger to arrive at the top if he walks up the moving escalator?

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