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Updated on: 17 Sep 2026, 05:26 
Dropdown 1: 70
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A vehicle-testing laboratory measured the distance a car travels after its brakes are applied at different speeds. The graph shows the car’s braking distance, in meters, for speeds from 20 kilometers per hour through 100 kilometers per hour.
Before the brakes are applied, the car also travels some distance during the driver’s reaction time. At a speed of v kilometers per hour, the reaction distance, in kilometers, is \(\frac{v}{3600}\).
The car’s total stopping distance is the sum of its reaction distance and braking distance.
From each drop-down menu, select the option that creates the most accurate statement based on the information provided.
At 80 kilometers per hour, the car’s total stopping distance, rounded to the nearest 10 meters, is .
The average rate of change of braking distance from 30 to 50 kilometers per hour is approximately the average rate of change from 70 to 90 kilometers per hour.
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The OA will be automatically revealed on Sunday 20th of September 2026 05:20:55 AM Pacific Time Zone
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