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
Transcribed Image Text: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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