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Chapter 3: Q. 5 (page 77)
How would you define the zero vector
A zero vector is a vector length and its all components equal to
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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.
Tom is climbing a -long ladder that leans against a vertical wall, contacting the wall above the ground. His weight of is a vector pointing vertically downward. (Weight is measured in newtons, abbreviated N.) What are the components of Tom's weight parallel and perpendicular to the ladder?
Trace the vectors in FIGURE EX3.2 onto your paper. Then find.
(a) and (b) localid="1649527132367"
Can the magnitude of the displacement vector be more than the distance traveled? Less than the distance traveled? Explain
While vacationing in the mountains you do some hiking. In the morning, your displacement is , east , north , vertical \()\). After lunch, your displacement is , west , north , vertical
a. At the end of the hike, how much higher or lower are you compared to your starting point?
b. What is the magnitude of your net displacement for the day?
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