A car travels a distance of 450 km in a straight line for 4.50 hours from Hither to Yon. The car then returns to Hither from Yon in a straight line at 90.0 km/h. Answer the following questions based on this information: a) What is the car’s average speed, in km/h, from Hither to Yon for the first part of the trip? b) How long, in hours, did it take for the car to return to Hither from Yon? c) What is the average velocity of the car for the entire (whole) journey, from Hither to Yon, and back to Hither?

A car travels a distance of 450 km in a straight line for 4.50 hours from Hither to Yon. The car then returns to Hither from Yon in a straight line at 90.0 km/h. Answer the following questions based on this information: a) What is the car’s average speed, in km/h, from Hither to Yon for the first part of the trip? b) How long, in hours, did it take for the car to return to Hither from Yon? c) What is the average velocity of the car for the entire (whole) journey, from Hither to Yon, and back to Hither?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 9STP

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Concept explainers

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –

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a) What is the car’s average speed, in km/h, from Hither to Yon for the first part of the trip?

b) How long, in hours, did it take for the car to return to Hither from Yon?

c) What is the average velocity of the car for the entire (whole) journey, from Hither to Yon, and back to Hither?

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