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A man 2 m tall,walks at the rate of `5/3 m/s` towards a street light which is `16/3 m` above the ground.At what rate is the tip of his shadow moving? At what rate is the length of the shadow changing when he is `10/3 m` from the base of the light?

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एक आदमी 2 मीटर लंबा, की दर से चलता है `5/3 m/s` एक सड़क प्रकाश की ओर है जो है `16/3 m` जमीन से ऊपर। उसकी छाया की नोक किस गति पर चल रही है? जब वह छाया बदलती है तो छाया की लंबाई कितनी होती है `10/3 m` प्रकाश के आधार से?

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