Exam 3: Vectors
Exam 1: Measurement37 Questions
Exam 2: Motion Along a Straight Line90 Questions
Exam 3: Vectors43 Questions
Exam 4: Motion in Two and Three Dimensions56 Questions
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Exam 9: Center of Mass and Linear Momentum99 Questions
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Exam 14: Fluids91 Questions
Exam 15: Oscillations80 Questions
Exam 16: Waves83 Questions
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Exam 18: Temperature, Heat, and the First Law of Thermodynamics96 Questions
Exam 19: The Kinetic Theory of Gases114 Questions
Exam 20: Entropy and the Second Law of Thermodynamics61 Questions
Exam 21: Coulombs Law52 Questions
Exam 22: Electric Fields55 Questions
Exam 23: Gauss Law44 Questions
Exam 24: Electric Potential55 Questions
Exam 25: Capacitance61 Questions
Exam 26: Current and Resistance55 Questions
Exam 27: Circuits75 Questions
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Exam 30: Induction and Inductance90 Questions
Exam 31: Electromagnetic Oscillations and Alternating Current89 Questions
Exam 32: Maxwells Equations; Magnetism of Matter87 Questions
Exam 33: Electromagnetic Waves83 Questions
Exam 34: Images79 Questions
Exam 35: Interference 147 Questions
Exam 36: Diffraction77 Questions
Exam 37: Relativity69 Questions
Exam 38: Photons and Matter Waves59 Questions
Exam 39: More About Matter Waves45 Questions
Exam 40: All About Atoms79 Questions
Exam 41: Conduction of Electricity in Solids51 Questions
Exam 42: Energy From the Nucleus50 Questions
Exam 43: Quarks, Leptons, and the Big Bang59 Questions
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Four vectors
all have the same magnitude.The angle between adjacent vectors is 45 ° as shown.The correct vector equation is:


(Multiple Choice)
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In the diagram,
has magnitude 12 m and
has magnitude 8 m.The x component of
is about: 




(Multiple Choice)
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The angle between
= (25 m)
+ (45 m)
and the positive x axis is:



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