Math, asked by pratikshabagrecha, 6 months ago

a tunnel has been constructed at a depth of 50m below the sea level. taking sea level as zero level, how long would an elevator with speed of 4m/minute take to reach the tunnel bottom, if it starts from a height of 20m above the sea level? The direction above sea level is to be taken positive.

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Answered by raviraiwww

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taking sea level as zero level, how long would an elevator with speed of 4m/ minute take to reach the tunnel bottom, if it starts ...

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