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Google Chrome File Edit View History Bookmarks Profiles Tab Window Help G O Q 8 Tue Nov 18 10:03 AM Home | myLU X LU HW: 5.1 - 5.3 Assignment ALEKS - Jacob Cascio - HW: C 20 www-awu.aleks.com/alekscgi/x/Isl.exe/10_u-IgNslkr7j8P3jH-li-WSp540wncg8Tof4a5q5fmgWG31RYRVbH21fpfsxjJ... @ * C Finish update : homework-help/thread/66307970 | Ca | c Finish update HW: 5.1 - 5.3 Assignment Jacob v rom cours Q Al Chat with PDF Upload for Unlocks Expert Help Study Resources v Ask Al S Question 53 of 54 (1 point) | Question Attempt: 1 of Unlimited Part 2 of 4 Espanol The problem states the skid-mark length varies directly as the square of the speed. . "Varies directly with v^2" means I is proportional to v^2. (b) Write an equation of variation that describes the relationship between the length of skid marks _ and the velocity of a car v when the brakes were applied. Use k for the constant of variation. . Introduce the constant of variation k to write the equation: I = k v^2. DO The equation of variation is 1 = kv Alternate Answer: Sources MATHEMATICS G9_QUARTER 2: The equation of variation is L= kv. Math 9 Quarter 2 ... M Verify with tutor Part 3 of 4 V (c) At 40 miles per hour (under ideal conditions) skid marks would be 70 feet long. Use this information to find a specific value for the constant of variation in your equation. Do not round. solve this The value of the constant of variation k is |0.04375 Answer explanation by Al k = 0.04375 Part: 3 / 4 Step-by-step: . Model: 1 = K V^2. Part 4 of 4 Given: at v = 40 mph, I = 70 ft. (d) A child was struck by a car in a crosswalk. The driver of the car had slammed on his brakes and left visible skid marks on the pavement. He told the . Solve for k: k = 1 / v^2 = 70 / 40^2 = 70 / 1600 = 0.04375. police he had been driving at 20 miles per hour. If the man is telling the truth, how long should the skid marks be? Do not round. If the driver was telling the truth, the skid marks should be feet long. X Verify with tutor Ask Al your follow up question. Do not enter personal information. Attach image Upload doc Skip Part Check Save For Later Submit Assignment 2025 McGraw Hill. Terms of Use | Privacy Center | Accessibility Proposal Classical Minecraft 35 54,864 NOV 2 18 utv N 4 exec DOCX