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A man, 2m tall, walks at the rate of 1(2...

A man, 2m tall, walks at the rate of `1(2)/(3)` m/s towards a street light which is `5(1)/(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 `3(1)/(3)m` from the base of the light ?

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The correct Answer is:
`(dx)/(dt)=-1`
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KUMAR PRAKASHAN-APPLICATION OF DERIVATIVES -SOLUTIONS OF NCERT EXEMPLAR PROBLEMS (SHORT ANSWER TYPE QUESTIONS)
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