SITUATION: The speed of the traffic flowing past EDSA between the hours of noon and 7:00pm is approximately v = t^3-9t^2 + 15t +40 kilometers per hour where t is the number of hours past noon. At what time between the said hours is the traffic moving the slowest? 6pm 1pm 3pm 5pm

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter1: Units And Measurement
Section: Chapter Questions
Problem 33P: In SI units, speeds are measured in meters per second (m/s). But, depending on where you live,...
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SITUATION:
The speed of the traffic flowing past EDSA between the hours of noon and 7:00pm is
approximately v = t^3 -9t^2 + 15t +40 kilometers per hour where t is the number of hours
past noon.
At what time between the said hours is the traffic moving the slowest?
6pm
1pm
3pm
5pm
Transcribed Image Text:SITUATION: The speed of the traffic flowing past EDSA between the hours of noon and 7:00pm is approximately v = t^3 -9t^2 + 15t +40 kilometers per hour where t is the number of hours past noon. At what time between the said hours is the traffic moving the slowest? 6pm 1pm 3pm 5pm
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