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Chapter 3: Q. 1 (page 77)

1. I Trace the vectors in FIGURE EX3.1 onto your paper. Then find

(a) A鈫�+B鈫�and (b) A鈫�鈭�B鈫�

Short Answer

Expert verified

Part (a)

Part (b)

Step by step solution

01

Part (a)

Let R鈫�be the resultant vector. Join the tail of B鈫�with the head ofA鈫� :

The resultant vector ofA鈫� andB鈫� is

02

Part (b)

Let R鈫�be the resultant vector. Join the tail of B鈫�with the head ofA鈫�:

The resultant vector of and is

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Most popular questions from this chapter

Let A鈫�=4i^-2j^,B鈫�=-3i^+5j^andF鈫�=A鈫�-4B鈫�.

a. Write vector F鈫�in component form.

b. Draw a coordinate system and on it show vectors A鈫�,B鈫�andF鈫�.

c. What are the magnitude and direction of vectorF鈫�?

II Ruth sets out to visit her friend Ward, who lives north and east of her. She starts by driving east, but after she comes to a detour that takes her south before going east again. She then drives east for and runs out of gas, so Ward flies there in his small plane to get her. What is Ward's displacement vector? Give your answer (a) in component form, using a coordinate system in which the -axis points north, and (b) as a magnitude and direction.

Let, A鈫�=2i^+3j^,B鈫�=2i^-4j^andC鈫�=A鈫�+B鈫�.

a. Write vector C鈫�in component form.

b. Draw a coordinate system and on it show vectors A鈫�,B鈫�andC鈫�.

c. What are the magnitude and direction of vectorC鈫�?

Kami is walking through the airport with her two-wheeled suitcase. The suitcase handle is tilted 40掳 from vertical, and Kami pulls parallel to the handle with a force of 120 N. (Force is measured in newtons, abbreviated N.) What are the horizontal and vertical components of her applied force?

Kami is walking through the airport with her two-wheeled

suitcase. The suitcase handle is tilted 40掳 from vertical, and

Kami pulls parallel to the handle with a force of 120 N. (Force is

measured in newtons, abbreviated N.) What are the horizontal and

vertical components of her applied force?
See all solutions

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