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(c) Use both methods to calculate ā · b for each of the following cases: (i) if ā = (-4, –9) and b= (-1,2) (ii) if Jā| = 10, Oa = 30° and |b| = 2, 0, = 120°. Note that both angles are defined with respect to +x-axis.

(c) Use both methods to calculate ā · b for each of the following cases: (i) if ā = (-4, –9) and b= (-1,2) (ii) if Jā| = 10, Oa = 30° and |b| = 2, 0, = 120°. Note that both angles are defined with respect to +x-axis.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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(b) Summarize the two ways you calculate a scalar product (also called a dot product).
(c) Use both methods to calculate ~a ·
~b for each of the following cases:
(i) if ~a = (−4, −9) and ~b = (−1, 2)
(ii) if |~a| = 10, θa = 30◦ and |
~b| = 2, θb = 120◦
. Note that both angles are defined
with respect to +x-axis.

(b) Summarize the two ways you calculate a scalar product (also called a dot product). (c) Use both methods to calculate ā · 6 for each of the following cases: (i) if ā = (-4, –9) and b = (-1, 2) (ii) if |ā| = 10, Oa = with respect to +x-axis. = 30° and |b| = 2, 0, = 120°. Note that both angles are defined
Transcribed Image Text:(b) Summarize the two ways you calculate a scalar product (also called a dot product). (c) Use both methods to calculate ā · 6 for each of the following cases: (i) if ā = (-4, –9) and b = (-1, 2) (ii) if |ā| = 10, Oa = with respect to +x-axis. = 30° and |b| = 2, 0, = 120°. Note that both angles are defined
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