PHY2130-Fall-2011 EXAM3-01-v2

PHY2130-Fall-2011 EXAM3-01-v2 - PHY2130 Exam3 November 21,...

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1 1 1 V V V e e e r r r s s s i i i o o o n n n 2 2 2 PHY2130 Exam3 November 21, 2011 Name (print):____________________, ____________________, ________________ Last (family) first (given) middle (if any) ID Number: _____________________________ Please circle your quiz section if you would like to get your exam back Instructions: 1) Print your name and ID number at the top. 2) Keep the cover of exam CLOSED until the exam has started! 3) Using a pencil, fill out the answer sheet boxes and bubbles with your name and identification number (include leading 0’s in ID number) before starting the exam (you do not need to include date of birth, grade, sex, etc.). 4) You will have 55 minutes to do the exam. 5) You will not get back your scantron sheet. 6) You may use a calculator. Cellphones, PDAs, etc., cannot be used as calculator. 7) When you are finished with the exam, please bring your student ID, the answer sheet and the exam to the instructor. 8) You are NOT to use notes or books during the exam, or to communicate with another student, or to look at another student’s exam. Any violation can result in a grade of “zero” for this exam or a failing grade for this course. All questions carry 5 points each. Total points: 100 (out of 100)
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2 2 2 V V V e e e r r r s s s i i i o o o n n n 2 2 2 Possibly useful equations: Chapter 1 Introduction Chapter 2 Vectors and motion along a line o Displacement (change in position): f i rr r   . o Average velocity: av r v t o Average acceleration: av v a t o Constant acceleration equations: x fx ix x vvv a t   1 2 fi f x i x x xx vv t    2 1 2 ix x x vt a t  22 2 fx is x a x  o 2 9.80 m s g ( always down!) Chapter 3 Two-dimensional motion sin opposite hypotenuse cos adjacent hypotenuse tan opposite adjacent Chapter 4 Force and Newton’s Laws of Motion o Newton’s 2 nd Law: F a m or Fm a o The magnitude of the gravitational force: 12 2 Gm m F r o Weight : Wm g . o Static friction : ss f N o Kinetic friction : kk f N Chapter 5 Circular Motion o Angular displacement: f i  ; average angular velocity av t o sr , 1 complete circle = 1 revolution = 2 radians o To relate linear to angular quantities: t vr t ar o Acceleration in uniform circular motion: 2 2 r v r 
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3 3 3 V V V e e e r r r s s s i i i o o o n n n 2 2 2 o 2 rr
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This note was uploaded on 12/23/2011 for the course PHY 2130 taught by Professor Rehse during the Fall '08 term at Wayne State University.

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PHY2130-Fall-2011 EXAM3-01-v2 - PHY2130 Exam3 November 21,...

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