A car is traveling around a circular track of 670-ft radius. If the magnitude of its total acceleration is 12.6 ft/sec² at the instant when its speed is 48 mi/hr, determine the rate at at which the car is changing its speed. Answer: at = + i ft/sec²
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![A car is traveling around a circular track of 670-ft radius. If the magnitude of its total acceleration is 12.6 ft/sec² at the
instant when its speed is 48 mi/hr, determine the rate at at which the car is changing its speed.
Answer: at = + i
ft/sec²](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F90242b2f-94b0-4e98-9b73-887cf980ada0%2F84baafdf-0f5a-4099-a340-3fad73542651%2F1jsfqz_processed.jpeg&w=3840&q=75)
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