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Un article trouvé pour ce sujet.
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Find the rate at which the searchlight rotates |
2011-04-17 |
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Meredith pose la question :
A searchlight is position 10 meters from a sidewalk. A person is walking along the sidewalk at a constant speed of 2 meters per second. The searchlight rotates so that it shines on the person. Find the rate at which the searchlight rotates when the person is 25 meters from the searchlight.
Penny Nom lui répond. |
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