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julliette27
19.02.2020 •
Mathematics
The wind force f on a sail varies jointly as the area a of the sail and the square of the wind speed w. The force on a sail with an area of 500 ft^2 is 64.8 pounds when the wind speed is 18 mph. What would be the force for a sail with an area of 250 ft^2 with a wind speed of 35 mph
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Ответ:
70
Step-by-step explanation:
35 times 4 = 140. 210-140= 70