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

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter3: Motion Along A Straight Line
Section: Chapter Questions
Problem 12CQ: Is it possible for velocity to be constant while acceleration is not zero? 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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