7. A man drives 10miles to the north and then 20 miles to the east. What are the magnitude anddirections of his displacement from the starting point?c. 28mi @ 40° above the horizontald. 32mi @ 43° above the horizontal8. The resultant of a 4-N force acting upward and a 3-N force acting horizontally isa. 20mi @ 50' above the horizontalb. 22mi @ 53° above the horizontala. 1Nb. 7Nc. 5Nd. 12N9. Determine the volume of concentrated sulfuric acid (density 1.84 g/cm2) containing 98%HaSO, by weight, That would contain 40.0 g of pure Haso4 .a. 22.2 cmb. 25.5 cmc. 23.5cmd. 24.5cm

Answered: Image /qna-images/answer/b0db6a90-8dd1-4b8b-a452-4b099c0101ec.jpg

Answered: 7. A man drives 10miles to the north…

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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Q5. Rewrite these vectors to fix the notation errors: d = 4.2 [W] km т v = 11.2–(E) S m à = [down] 4.7 I
66 degrees below the +x axis 3 vectors: S, T, and U have the components shown in the table. what angle does the resultant of these three vector makes with the +x axis?X comp. Y comp.S. -3.5m 4.5mT. 0. -6.5mU. 5.5 m -2.5m- 24 degrees above the +x axis- 66 degrees above the + x axis- 66 degrees below the + x axis- 24 degrees below the + x axis Please show all steps :) :)
4. A runner goes north 500m, turns east for 1200m, and then goes south for 1000m. What is his displacement relative to his starting points? c. 1300m @ 32.6° south of east d. 1500m @ 27.9° south of east a. 1200m @ 33.7° north of east b. 1400m @ 52.8° north of east 5. A woman pushes a lawn mower with a force of 20lb. If the handle of the lawn mower is 40° above the horizontal, how much downward force is being exerted on the ground? a. 12.9 Ib b. 15.3 lb c. 18.7 Ib d. 18.7lb 6. The mole fraction calculation requires that you first determine the number of moles of each of the components in the solution. The molar mass will enable you to convert from mass to moles. a. 0.05539 b. 0.6639 c. 0.7739 d. 0.8839
3. Two vectors are equal if they have the... a. Different magnitude and direction. O b. Same magnitude and direction. c. Same magnitude and different direction. d. Different magnitude. O e. Different direction. 4. The signs of the components in vector will depend on the ... O a. Magnitude. O b. Angle. O c. Magnitude and angle. O d. Force. O e. Mass.
a vector value of A= 5.5 and e= 122, write this vector in nuit vector (unit vector äoin aiall uisI) Select one: a. A=-2.6 i -5.2) b. A=-2.7 -4.3 j C. A=-4.5 i -6.3j d. A=-3.6 1 -4.3]
1. Determine the equivalent directions for the given vectors. a. 35° N of E b. 20° W of S c. S 40° E d. N 65° W
For what values of x and y, the vectors = 31+ yj-3 and B=2xi+2xj-3are equal? A. x = 3, y = 3/2 B. x 3, y = 6 C. x 3/2, y = 3 D. x 6, y = 3 A. D
1,076 :0³ F1 The components of vectors A and B are given as follows: Bx=-5.1 Ax=7.6 Ay = -9.2 By=-6.8 What is the magnitude of the vector difference B-A ? 148,433 2 O a.2.4 O b. 13 O c.3.4 O d. 16 O e. 170 W S X mmand 38: F2 # 3 E 31 21 D 80 F3 C $ 4 R a F4 F % 5 V tv O F5 T G ^ 6 B A e F6 Y H & 7 2902 F7 U N 8 J DII FB 1 M 9 K F9 A ) O F10 L P command J F11 I + [ (11) FL option
2. If Vx = 14 m and Vy = 27 m then determine the following: What is the magnitude, V, of this vector? b. What is the direction, 0, of this vector? a.
42. A road makes an angle of 4.8° with the horizontal. How far must an automobile go up the track for it to gain 30 m in altitude? A. 458.64 m C. 358.52 m B. 357.26 m D. 285.68 m
Lili walks 100 m to the east, and then 300 m to the south. Match the answers with questions. (Hint: Draw the vector diagram.) v Lili's distance A. 316 m, 18° South of East Lili's displacement B. -300 m v Lili's displacement due east C. 400 m Lili's displacement due north D. 400 m, 18° South of East E. -100 m F. 300 m G. 400 m, 72° South of East H. 100 m I. 316 m, 72° South of East
9. What is the x-component vector of the vector shown in Figure 2? a. 12.0i m b. -12.0i m c. 10.4i m d. -6.00i m e. 6.93i m 30 Figure 2 not to scale V =12.0 m.

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