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A man, 2 m tall, walks at the rate of 12...

A man, 2 m tall, walks at the rate of `12/3 m//s` towards a street light which is `51/3` m above the ground. At what rate is the tip of his shadow moving and at what rate is the length of the shadow changing when he is `31/3` m from the base of the light?

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The correct Answer is:
`-2 2/3`
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VMC MODULES ENGLISH-DIFFERENTIAL CALCULUS 2-JEE Advanced (Archive)
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