A student drove to the university from her home and noted that the odometer on her car increased by 16.0 km. The trip took 20.0 min.(a) What was her average speed? km/h (b) If the straight-line distance from her home to the university is 10.3 km in a direction 25.0° south of east, what was her average velocity? km/h (25° S of E) (c) If she returned home by the same path 7 h 30 min after she left, what were her average speed and velocity for the entire trip? average speed km/h average velocity km/h

A student drove to the university from her home and noted that the odometer on her car increased by 16.0 km. The trip took 20.0 min.(a) What was her average speed? km/h (b) If the straight-line distance from her home to the university is 10.3 km in a direction 25.0° south of east, what was her average velocity? km/h (25° S of E) (c) If she returned home by the same path 7 h 30 min after she left, what were her average speed and velocity for the entire trip? average speed km/h average velocity km/h

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter3: Motion In Two Dimensions

Section: Chapter Questions

Problem 9P

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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 –

Question

A student drove to the university from her home and noted that the odometer on her car increased by 16.0 km. The trip took 20.0 min.(a) What was her average speed?
km/h
(b) If the straight-line distance from her home to the university is 10.3 km in a direction 25.0° south of east, what was her average velocity?
km/h (25° S of E)
(c) If she returned home by the same path 7 h 30 min after she left, what were her average speed and velocity for the entire trip?
average speed
km/h
average velocity
km/h

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