Exam1-practice

Exam1-practice - Phys 172 Exam 1, 2011 spring, Purdue...

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Phys 172 Exam 1, 2011 spring, Purdue University What to bring: 1. Your student ID – we will check it! 2. Calculator: any calculator as long as it does not have internet/phone connection 3. Pencils Exam will take place in Elliot Hall of Music. When entering hall, please take a writing board (available at the entrance). Please prepare to be seated in “exam formation” – each other row and each other seat. Turn off your phone and keep it in your bag/pocket at all times Equation sheet is provided at the end of the exam. You can tear it off and use, you do not have to return it. At the end of the exam please turn in your scantron sheet and paper exam to one of the TAs (don’t forget to sign your paper exam at the right-top corner).
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DO NOT OPEN YOUR EXAM UNTIL TOLD Practice Exam I, Phys 172, Spring 2011 EXAM # 05 1. Record your two-digit exam version number on scantron form in the field “Test/Quiz number”. Please do not omit leading zero. 2. Write your name in the top-right corner here and on the scantron form 3. Record your PUID number in the respective field on your scantron form Do not use other paper. Write on the back of this test if needed . The page with major equations is provided with this exam (in the back) Circle your answers here and on scantron form. At the end of the exam, you will return scantron form and this printout with circled answers to your TA.
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Problems 1-3 For the next four problems consider vectors in the diagram shown below, in which each division is equal to 1 m. Problem 1 (5 pts) What are the components of the vector a ? A) <8, -1> m B) <9, 2> m C) <-1, 8> m D) <3, 4> m E) <4, 3> m Problem 2 (5 pts) What is the magnitude of the vector a ? A) 8.06 m B) 9 m C) 8.21 m D) 8.32 m E) 5 m Problem 3 (5 pts) Which one of the following statements is true about vectors a , b , c and d ? A) 0 = + + + d c b a B) d c b a & - = + C) b c a = + D) b c a + = E) c b a = - x H a b c d &
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Problems 4-5 A tennis ball of mass 57 g is served in horizontal direction along x -axis and initially flies at speed 60 mph. Problem 4 (5 pts)
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Exam1-practice - Phys 172 Exam 1, 2011 spring, Purdue...

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