College Physics
1st Edition
ISBN: 9781938168000
Author: Paul Peter Urone, Roger Hinrichs
Publisher: OpenStax College
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Chapter 3, Problem 22PE
A farmer wants to fence off his four-sided plot of flat land. He measures the first three sides, shown as A, B, and C in Figure 3.62, and then correctly calculates the length and orientation of the fourth side D. What is his result?
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A farmer wants to fence off his four-sided plot of flat land. He measures three sides, shown as A, B, and D in the Figure, and then correctly calculates the length and orientation of the third side C. The length of A, B, and D are all 7.06 km. Their angles theta1, theta2, and theta3 are all 2.16 degrees. What did he find as the magnitude of C (in unit of km)?
What is the value of n+r/(2.000) 2, written with the correct number of significant figures?
O 3.92699
O 3.9269
O 3.9270
O 3.927
O 3.93
A Texas rancher wants to fence off his four-sided plot of flat land. He measures the first three sides, shown as A, B, and C in Figure 3.27,
where A = 4.05 km and Oc = 19°. He then correctly calculates the length and orientation of the fourth side D. What is his result?
D =
km
OD =
o west of south
y A+B+ C + D = 0
C = 3.02 km
D = ? km
6= ?
D
16
B
7.5°
B= 2.48 km
A
Figure 3.27
Chapter 3 Solutions
College Physics
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