Answered: 1. Please refer to the following…

1. Please refer to the following vectors: A = 6i + 2j - 3k B = 3i - j - 2k C = -i + j - 4k D = j - 3k E = -i + 2k F = -5k G = 2i H = -3j I = -4i +4j Find the projection of vector C on vector D.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter6: Motion In Two Dimensions

Section6.3: Relative Velocity

Problem 27PP

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Concept explainers

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.

Question

1. Please refer to the following vectors:

A = 6i + 2j - 3k
B = 3i - j - 2k
C = -i + j - 4k
D = j - 3k
E = -i + 2k
F = -5k
G = 2i
H = -3j
I = -4i +4j

Find the projection of vector C on vector D.

CHOICES:

2. For bodies that are falling, to achieve terminal velocity, what must happen to the acceleration of the body?

a. The acceleration of the body is remains the same through time.

b. The acceleration of the body must decrease over time

c. The acceleration of the body must equal to the acceleration due to gravity.

d. The acceleration of the body must increase over time.

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