3 of 16 FINISH QUIZ
MULTIPLE CHOICE
A person walks 15.0 m north and then 6.00 m east. Solving analytically, what is the resultant displacement of the person?
A
R = 14.5 m, 0 = 68.2 east of north
B
R→ = 16.2 m, 8 = 68.2 north of east
С
R = 13.4 m, 0 = 68.2 east of north
D
R = 12.0 m, 8 = 68.2 north of east
E
R = 12.2 m, 8 = 68.2° north of east
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Which of the following is part of the explanation or description of electromagnetic waves? (select all that apply) a. electrically charged molecules in a medium transfer their energy to nearby electrically charged molecules. b. a changing electric field causes a changing magnetic field. c. magnetic molecules in a medium transfer their energy to nearby magnetic molecules. d. a changing magnetic field causes a changing electric field.