The speedometer on your car reads a steady 35 mph. Could you be accelerating? Explain.

An Introduction to Physical Science
14th Edition
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Chapter2: Motion
Section: Chapter Questions
Problem 1AYK: Do highway speed limit signs refer to average speeds or to instantaneous speeds? Explain.
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The speedometer on your car reads a steady 35 mph. Could you be accelerating? Explain.
Transcribed Image Text:The speedometer on your car reads a steady 35 mph. Could you be accelerating? Explain.
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If the speedometer of our reads 35mph, it will be accelerating.If the road is curved then the acceleration vector will have non zero normal component.

The tangential and radial components of acceleration is given by 

a(t) =rdωtdtθ^(t)-rω2(t)r^(t)

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