You submitted this quiz on Thu 13 Jun :52 PM PDT (UTC -0700). You got a score of out of You can attempt again, if you'd like.

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Feedback 3D Vectors You submitted this quiz on Thu 13 Jun 2013 8:52 PM PDT (UTC -0700). You got a score of 20.00 out of 21.00. You can attempt again, if you'd like.

1 Feedback 3D Vectors You submitted this quiz on Thu 13 Jun :52 PM PDT (UTC -0700). You got a score of out of You can attempt again, if you'd like. Question , 1, 03 Which of the arrows shown in the diagram below represents the vector? a b c d e /15

2 e 1.00 f Answer : e Question 2 In the diagram below three vectors are represented by arrows in the xy plane. Each division represents 1 meter. What is the x-component in meters of the vector? 6 c 2/15

3 Answer : 6 Question 3 In the diagram below three vectors are represented by arrows in the xy plane. Each division represents 1 meter. What is the y-component in meters of the vector? -9 c 3/15

4 Answer : -9 Question 4 In the diagram below three vectors are represented by arrows in the xy plane. Each division represents 1 meter. What is the magnitude of c in meters? 4/15

5 Answer : [10.8,10.9] Question 5 Which of the following statements about the three vectors shown are correct? s = t r r + t = s r = t s r + s = s + t = t r /15

6 7/22/13 Quiz Feedback Introductory Physics I with Laboratory Answer : r = t s r + s = t s = t r Question 6 A = 2200, 900, 3003 and B = 2 100, 0, x component of A + B 100 Your Answer Score 100 Total Explanation / 1.00 Answer : 100 Question 7 A = 2200, 900, 3003 and B = 2 100, 0, y component of A + B 6/15

7 Answer : 900 Question 8 A = 2200, 900, 3003 = 2 100, 0, 4003 z component of 700 A + B B and Answer : 700 Question 9 7/15

8 A = 2200, 900, 3003 B = 2 100, 0, 4003 A + B and Your Answer Score Explanation The magnitude of the vector sum of two vectors is not equal to the sum of their magnitudes, except in the special case where they both have the same direction. Total 1.00 / 1.00 Answer :( , ) Question 10 A = 2200, 900, 3003 B = 2 100, 0, B A and Your Answer Score Explanation 8/15

9 The magnitude of the vector sum of two vectors is not equal to the sum of their magnitudes, except in the special case where they both have the same direction. Total 1.00 / 1.00 Answer :( , ) Question 11 a = 25, 3, 93 b = 20, 2, 73 c = a b c^ 0.68 and.. What is the x-component of the unit vector? Answer : [0.68,0.70] Question 12 Following the previous question: what is the y-component of? c^ 9/15

10 Answer : [-0.68,-0.70] Question 13 Following the previous question: what is the z-component of? 0.27 c^ Answer : [0.27,0.30] Question 14 Any vector can be written as a unit vector multiplied by the magnitude of the vector (a positive scalar). Write each of the following vectors as the magnitude of the vector times the appropriate v 2 u x, u y, u z 3 v unit vector in form of, where is numerical value of magnitude. 10/15

11 Let the vector v be , 0, magnitude of the vector, v Answer :(0.0042,0.0046) Question 15 Any vector can be written as a unit vector multiplied by the magnitude of the vector (a positive scalar). Write each of the following vectors as the magnitude of the vector times the appropriate unit vector in form of, where is numerical value of magnitude. Let the vector v be , 0, x component of the unit vector, u x v 2 u x, u y, u z 3 v /15

12 Answer :(0.6716,0.7423) Question 16 Any vector can be written as a unit vector multiplied by the magnitude of the vector (a positive scalar). Write each of the following vectors as the magnitude of the vector times the appropriate unit vector in form of, where is numerical value of magnitude. Let the vector v be , 0, y component of the unit vector, u y 0 v 2 u x, u y, u z 3 v Answer :0 Question 17 Any vector can be written as a unit vector multiplied by the magnitude of the vector (a positive scalar). Write each of the following vectors as the magnitude of the vector times the appropriate unit vector in form of, where is numerical value of magnitude. Let the vector v be , 0, z component of the unit vector, u z v 2 u x, u y, u z 3 v 12/15

13 Answer :( , ) Question 18 a a^ 20.45, 0.25, a =10 and =. What is the x-component of? Answer : 4.5 Question 19 Following the previous question: what is the y-component of? a 13/15

14 Answer : 2.5 Question 20 Following the previous question: what is the z-component of? 8.6 a Answer : 8.6 Question 21 a a =10 and makes a 70 degree angle measured counter-clockwise from the +y axis in the xy a plane. What is the x-component of? 14/15

15 Total 0.00 / 1.00 Answer : [-9.38,-9.40] 15/15

Feedback Point Particle & Multiparticle (Real) Models: Part 2

Feedback Point Particle & Multiparticle (Real) Models: Part 2 You submitted this quiz on Sat 20 Jul 2013 1:01 PM PDT (UTC -0700). You got a score of 26.50 out of 27.00. You can attempt again, if you'd