51. If objects of weights x and wi are suspended from the balance in Figure 14(A), the cross-beam is horizontal if bx = aw1. If the lengths a and b are known, we may use this equation to determine an unknown weight x by selecting wi such that the cross-beam is horizontal. If a and b are not known precisely, we might proceed as follows. First balance x by wi on the left as in (A). Then switch places and balance x by uwz on the right as in (B). The average = (w1 + w2) gives an estimate for x. Show that i is greater than or equal to the true weight x. (A) (B) FIGURE 14
51. If objects of weights x and wi are suspended from the balance in Figure 14(A), the cross-beam is horizontal if bx = aw1. If the lengths a and b are known, we may use this equation to determine an unknown weight x by selecting wi such that the cross-beam is horizontal. If a and b are not known precisely, we might proceed as follows. First balance x by wi on the left as in (A). Then switch places and balance x by uwz on the right as in (B). The average = (w1 + w2) gives an estimate for x. Show that i is greater than or equal to the true weight x. (A) (B) FIGURE 14
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.4: Plane Curves And Parametric Equations
Problem 20E
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![51. If objects of weights x and wi are suspended from the balance in Figure 14(A), the cross-beam is horizontal if
bx = aw1. If the lengths a and b are known, we may use this equation to determine an unknown weight x by selecting wi
such that the cross-beam is horizontal. If a and b are not known precisely, we might proceed as follows. First balance x
by wi on the left as in (A). Then switch places and balance x by uwz on the right as in (B). The average = (w1 + w2)
gives an estimate for x. Show that i is greater than or equal to the true weight x.
(A)
(B)
FIGURE 14](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0fbcb629-382a-4ca4-8e14-fcd2de704a93%2F91271885-39fd-46ed-966e-f3349e48f993%2Fugc7d2q.png&w=3840&q=75)
Transcribed Image Text:51. If objects of weights x and wi are suspended from the balance in Figure 14(A), the cross-beam is horizontal if
bx = aw1. If the lengths a and b are known, we may use this equation to determine an unknown weight x by selecting wi
such that the cross-beam is horizontal. If a and b are not known precisely, we might proceed as follows. First balance x
by wi on the left as in (A). Then switch places and balance x by uwz on the right as in (B). The average = (w1 + w2)
gives an estimate for x. Show that i is greater than or equal to the true weight x.
(A)
(B)
FIGURE 14
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