# Exam-1-01 - LAST NAME: . First name and initial: DO NOT...

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Problems 1-4: For the next four problems consider vectors in the diagram shown below, in which each division is equal to 1 m. Problem 1 What are the components of the vector a ? A) <8, 6> m B) <6, 8> m C) <5, 2> m D) <-3, 5> m E) <-4, 2> m Problem 2 What is the magnitude of the vector a ? A) 14 m B) 10 m C) 10.3 m D) 9.7 m E) 5.4 m Problem 3 What is the unit vector in the direction of the vector a ? A) <0.6, 0.8> B) <1, 1> C) <0.8, 0.6> D) <1, 0.75> E) <0.93, 0.37> Problem 4 Which one of the following statements is true about vectors a , b and c ? A) 0 = + + c b a B) b c a = + C) b c a + = D) c b a = - E) 0 = - + c b a x y a b c &
Problems 5-6: The mass of a student sitting in the bus is 70 kg. The bus is traveling at speed 55 mph in

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## This note was uploaded on 11/02/2009 for the course PHYS 172 taught by Professor ? during the Spring '08 term at Purdue University-West Lafayette.

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Exam-1-01 - LAST NAME: . First name and initial: DO NOT...

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