A person walks 2.80 km north and then 2.00 km east, all in 2.20 hours. (a) What is the magnitude (in km) and direction (in degrees north of east) of her displacement during the given time? (b) What is the magnitude (in km/h) and direction (in degrees north of east) of her average velocity during the given time? (c) What was her average speed (in km/h) during the same time interval?
A person walks 2.80 km north and then 2.00 km east, all in 2.20 hours. (a) What is the magnitude (in km) and direction (in degrees north of east) of her displacement during the given time? (b) What is the magnitude (in km/h) and direction (in degrees north of east) of her average velocity during the given time? (c) What was her average speed (in km/h) during the same time interval?
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
Section5.1: Vectors
Problem 3PP
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A person walks 2.80 km north and then 2.00 km east, all in 2.20 hours.
(a) What is the magnitude (in km) and direction (in degrees north of east) of her displacement during the given time?
(b) What is the magnitude (in km/h) and direction (in degrees north of east) of her average velocity during the given time?
(c) What was her average speed (in km/h) during the same time interval?
(c) What was her average speed (in km/h) during the same time interval?
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