A car travels a distance of 100km. For the first 30 minutes it is driven at a constant speed of 80km/hr. The motor begins to vibrate and the driver reduces the speed to 40km/hr for the rest of the trip. The average speed for the entire trip is?
A car travels a distance of 100km. For the first 30 minutes it is driven at a constant speed of 80km/hr. The motor begins to vibrate and the driver reduces the speed to 40km/hr for the rest of the trip. The average speed for the entire trip is?
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter4: Forces In One Dimension
Section: Chapter Questions
Problem 2STP
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A car travels a distance of 100km. For the first 30 minutes it is driven at a constant speed of 80km/hr. The motor begins to vibrate and the driver reduces the speed to 40km/hr for the rest of the trip. The average speed for the entire trip is?
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