Horizons: Exploring the Universe (MindTap Course List)
14th Edition
ISBN:9781305960961
Author:Michael A. Seeds, Dana Backman
Publisher:Michael A. Seeds, Dana Backman
Chapter14: Modern Cosmology
Section: Chapter Questions
Problem 13RQ
Related questions
Question
Transcribed Image Text:Bb Pearson's MyLab & Mastering - x
MasteringPhysics: HW4 - CH7 an x
work formula units - Google Sea X
session.masteringphysics.com/myct/itemView?assignmentProblemID=161324960&offset3Dnext
<HW4 - CH7 and CH8
Problem 7.68
A compound bow in archery allows the user to hold the bowstring at full draw with
considerably less force than the maximum force exerted by the string. The draw
force as a function of the string position x for a particular compound bow is shown
in (Figure 1).
Part A
How much work does the archer do on the bow in order to draw the string from x = 0 to x = 0.60 m?
Express your answer to three significant figures and include appropriate units.
HA
Figure
Value
Units
K 1 of 1
<.
400
Submit
Request Answer
350
300
Part B
250
If all of this work becomes the kinetic energy of a 0.080-kg arrow, what is the speed of the arrow?
200
Express your answer to two significant figures and include appropriate units.
150
100
HẢ
50
Value
Units
0.1
0.2
0.3
0.4
0.5
0.6
0.7
String position, x (m)
Submit
Request Answer
P Type here to search
80°F ^
Force, F (N)
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