College Physics
1st Edition
ISBN: 9781938168000
Author: Paul Peter Urone, Roger Hinrichs
Publisher: OpenStax College
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Textbook Question
Chapter 3, Problem 2PE
Find the following for path B in Figure 3.54: (a) the total distance traveled, and (b) the magnitude and direction of the displacement from start to finish.
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Section
1O
1. A girl walks 60. m due south, then 100. m due east, then 150. m due
north. (a) What is her displacement from her original position? (b) What
is the total distance walked by the girl? (c) In which direction should
she walk to return to her starting point in the least amount of time?
Express your answer in terms of the compass directions (north, south,
east, and west)
623
While exploring a cave, a spelunker starts at the
entrance and moves the following distances in a hori-
zontal plane. She goes 75.0 m north, 250 m east, 125 m
at an angle u 5 30.0° north of east, and 150 m south.
Find her resultant displacement from the cave
entrance. Figure P3.21 suggests the situation but is not
drawn to scale.
A boy walks 4 m South and then walks 7 m at 35 degrees east of south. What is the boy's displacement? Be sure to include magnitude and direction.
Chapter 3 Solutions
College Physics
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- A delivery man starts at the post office, chives 40 km north, then 20 km west, then 60 km northeast, and finally 50 km north to stop for lunch. Use a graphical method to find his net displacement vector.arrow_forwardFigure OQ1.13 shows two vectors D1 and D2. Which of the possibilities (a) through (d) is the vector D22D1, or (e) is it none of them? Figure OQ1.13arrow_forwardA person going for a walk follows the path shown in Figure P3.35. The total trip consists of four straight-line paths. At the end of the walk, what is the persons resultant displacement measured from the starting point? Figure P3.35arrow_forward
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