How fast is the length of his shadow on the building

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Reference no: EM13199368

spotlight on the ground shines on a wall 10 m away. if a man 2 m tall walks from the spotlight toward the buidling at a speed of 1.4, how fast is the length of his shadow on the building decresaing when he is 5 m from the building.

Reference no: EM13199368

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