1 A girl leaves a history classroom and walks10. meters north to a drinking fountain. Thenshe turns and walks 30. meters south to an artclassroom. What is the girl's total displacementfrom the history classroom to the art classroom?(1) 20. m south(2) 20. m north(3) 40. m south(4) 40. m north

Given information:Path walked by the girl:10-meter North; 30-meter south.Since north and south are…

Answered: 1 A girl leaves a history classroom and…

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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George runs the football 40 yards downfield before he is tackled. The straight line distance between where he began the run and where he was tackled is 18 yards and makes a 25 degree angle with the right sideline. a. What was George's distance traveled in yards? b. What was George's resultant displacement in yards? PIck answer BELOW a. distance = 58yds, displacement = 18yds b. distance = 40yds, displacement = 22yds c. distance = 40 yds, displacement = 18yds d. distance = 18yds, displacement = 40yds
10.A truck is travelling and covering a distance of 200 m. The truck's displacement A is illustrated at the right. What are the scalar components of the truck's displacement vector? A. A +200 m%; ty A, = 0 m Ay 0 m Ay = -200 m A, = +200 m %3D B. A = -200 m; C. A = +200 m; %3D %3D %3D %3D D. A, = -200 m; %3D %3D I
A postman leaves the post office and drives 1.6 km in the north direction. He then drives in a direction 60.0° south of east for 5.9 km (see Figure) North 60° + East Post office What is his resultant displacement from the post office (in vector form)? O a. -3.51 mi+ 2.95 mj O b. 5.90 mi+ 1.60 mj O c. 2.95 mi+-3.51 mj O d.-1.35 mi+5.11 mj O e. None of the above
12. A boy delivering newspapers covers his route by traveling 100m West, 50m south and then 300m 30° north of east. Calculate the magnitude and direction of his resultant displacement. 1 The Sum of X components is 2. The Sum of Y components is 3. The Resultant magnitude is 4.3. The Resultant direction is
Your friend ask you to go to mall to buy fruits. To head to the store from your house, you walked 5.00 km south and then 3.00 km 60° north of east. a)Draw the vector addition of the two individual displacements. b)Find the x- and y-components of both displacements.
Carol and Robin share a house. To get to work, Carol walks north 2.0 km while Robin drives west 7.5 km. How far apart are their workplaces?
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43. John is walking around campus. John walks 2.4 km north. John then makes a left turn and walks 1.45 km west. Finally, John makes a right turn and walks 1.2 km north and sits on a bench. What is the magnitude and displacement of John from the starting point? А. 3.9 km, 24° north of west В. 3.9 km, 66° north of west С. 5.3 km, 70° north of west D. no answer is correct Е. 5.3 km, 59° north of west
7
12. A bus travels 20km north, 15km west and 35km in a direction 40° north of east. Calculate the magnitude and direction of the resultant displacement. 1 The Sum of X components is= 2. The Sum of Y components is= 3. The resultant magnitude is = 4. The Resultant direction is =
12. A bus travels 20km north, 15km west and 35km in a direction 40o north of east. Calculate the magnitude and direction of the resultant displacement. 1 The Sum of X components is= 2. The Sum of Y components is= 3. The resultant magnitude is =
QUESTION 2 Which of the following is an accurate statement? O A. It is possible to add a scalar quantity to a vector. O B. Even though two vectors have unequal magnitudes, it is possible that their vector sum is zero. OC. Rotating a vector about an axis passing through the tip of the vector does not change the vector. OD. The magnitude of a vector is independent of the coordinate system used. O E. The magnitude of a vector can be zero even though one of its components is not zero.

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