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A spotlight on the ground shines on a wall 12 m away. If a man 2 m tall walks from the spotlight toward the building at a speed of 1.9 m/s?

How fast is the length of his shadow on the building decreasing when he is 4 m from the building? (Round your answer to one decimal place.)

1 Answer

  • Anonymous
    2 years ago

    1.6 m/s

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