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Calculating Heights and Distances

37. A man of ...

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37. A man of height 2 metre walks at uniform speed 5 km/hr away from a lamp post which in 6 m high .Find the rate at which the length of his shadow increases ,and at what rate his tip of shadow moving ?

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Q. A man of height

2

metres walks at a uniform speed of

6 k m / h

away from a lamp post which is

6

meters high. Find the rate at which the length of his shadow increases. Also find the rate at which the tip of the shadow is moving away from the lamp post.

Q. A man 2 metres high walks at a uniform speed of 6 km/h away from a lamp-post 6 metres high. Find the rate at which the length of his shadow increases.

Q. A man of height 2m walks at uniform speed of 5km/hr away from a lamp post which is 6m high. Find the rate of which the length of his shadow increases.

2

metres tall walks away from a lamp post

5

metres height at the rate of

4.8

km/hr. The rate of increase of the length of his shadow is

Q. A man of height

2

metre walks at uniform speed of

3

metre per second away from the lamp post of height

5

metre. Then the rate at which the length of his shadow increases is

m/sec

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Calculating Heights and Distances

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