9. Check My Understanding 3Enter the correct answer in the space provided.Samiyah enters the front door of an office building. She walks 20meters straight ahead to reach the elevator and goes to the fifthfloor, which is 22 meters above the first floor. On the fifth floor, she turns to the left and walks 15meters down the hall before turning around and walking 35 meters in the opposite direction to reachher destination.The entrance to the building has the (x, y, z) coordinates (0, 0, 0). Forward is in the positive x-direction,upward is in the positive z-direction, and left is in the,positive y-direction. The coordinates ofSamiyah's destination are (F2

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University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter2: Vectors

Section: Chapter Questions

Problem 2.10CYU: Check Your Understanding Verify that vector v V obtained in Example 2.14 is indeed a unit vector by...

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Check Your Understanding Verify that vector v V obtained in Example 2.14 is indeed a unit vector by computing its magnitude. If the convoy in Example 2.8 was moving across a desert flatland—that is, it the third component of its velocity was zero—what is the unit vector of its direction of motion? Which geographic direction does it represent?
In 1999, Robbie Knievel was the first to jump the Grand Canyon on a motorcycle. At a narrow part of the canyon (69.0 m wide) and traveling 35.8 m/s off the takeoff ramp, he reached the other side. What was his launch angle?
A surveyor measures the distance across a straight river by the following method: starting directly across from a tree on the opposite bank, he walks x = 1.00 102 m along the riverbank to establish a baseline. Then he sights across to the tree. The angle from his baseline lo the tree is = 35.0 (Fig. P1.53). How wide is the river? Figure P1.53
Figure OQ1.13 shows two vectors D1 and D2. Which of the possibilities (a) through (d) is the vector D22D1, or (e) is it none of them? Figure OQ1.13
(a) A car speedometer has a 5% uncertainty. What is the range of possible speeds when it reads 90 km/h? (b) Convert this range to miles per how. Note 1 km = 0.6214 mi.
A delivery man starts at the post office, chives 40 km north, then 20 km west, then 60 km northeast, and finally 50 km north to stop for lunch. Use a graphical method to find his net displacement vector.
Vector A has x and y components of 8.70 cm and 15.0 cm, respectively; vector B has x and y components of 13.2 cm and 6.60 cm, respectively. If AB+3C=0, what are the components of C?
Yelena, Natasha, and the "Red Guardian" are looking for Melina's house. They walk 6.0 km [N], then 8.4 km [20oS of W]. How far are they from where they started?
Ranjeet parks his car in a lot on the corner of Park Lane and Main Street. He walks 80 m east to First Avenue, turn 30 degrees to the left, and follows First Avenue for 100 m to the Metro Building, where he takes the elevator to hisoffice on the 15th floor. Each floor in the buildingis 4m in height. From his office window, Ranjeet can see his car in thelot. How far is Ranjeet from his car in a direct line?
Gg to get to his office from home, greg walks 6 blocks north and then 3 blocks east. after work he meets some friends at a cafe; to get there he walks 3 blocks south and 6 blocks west. all blocks are 660 ft long. what is the straight line diatance from the cafe to his home?
During an enrollment process, an MS student wandered inside the school campus. From the gate, he walked 150 m northward towards the office of the department. From there, he proceeds to the admission office 300 m, 5.00" south of east. He then moved 200 m, at 165 to the cashier to pay for his tuition. Lastly, he went to the Registrar's Office walking 125 m directed at 50' west of north. What is the magnitude and direction of the student's displacement from the school gate?
As a person drives along the the highway, they decide to measure the distance between each light post. The person is driving at a steady 60.0m.p.h. and it takes , on average, 4.00s to go from one light post to the next light post. (A)Determine the distance between light post in units of feet and in units of meters.

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