53. Medians of a triangle Suppose that A, B, and C are the corner points of the thin triangular plate of constant density shown here. a. Find the vector from C to the midpoint M of side AB. b. Find the vector from C to the point that lies two-thirds of the way from C to M on the median CM. c. Find the coordinates of the point in which the medians of AABC intersect. According to Exercise 27, Section 6.6, this point is the plate's center of mass. (See the figure.) C(1, 1, 3) c.m. •B(1, 3, 0) х A(4, 2, 0)
53. Medians of a triangle Suppose that A, B, and C are the corner points of the thin triangular plate of constant density shown here. a. Find the vector from C to the midpoint M of side AB. b. Find the vector from C to the point that lies two-thirds of the way from C to M on the median CM. c. Find the coordinates of the point in which the medians of AABC intersect. According to Exercise 27, Section 6.6, this point is the plate's center of mass. (See the figure.) C(1, 1, 3) c.m. •B(1, 3, 0) х A(4, 2, 0)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 31E
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