A car making a 100 km journey covers the first 50 km. at 40 km/h. How fast must it cover the second 50 km. to have an average speed of 50 km/h for the entire trip? Show your solution
A car making a 100 km journey covers the first 50 km. at 40 km/h. How fast must it cover the second 50 km. to have an average speed of 50 km/h for the entire trip? Show your solution
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter3: Accelerated Motion
Section: Chapter Questions
Problem 74A
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A car making a 100 km journey covers the first 50 km. at 40 km/h. How fast must it cover the second 50 km. to have an average speed of 50 km/h for the entire trip? Show your solution
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