1d3exam2002

# 1d3exam2002 - Physics 1D03 Day Class Version 1 Name...

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Physics 1D03 Version 1 Day Class Name: Duration of Exam: 3 hours Student Number: Instructors: Dr. Venus (section 01) Dr. Kudian (section 04) Dr. Harris (section 05) Instructor: Lecture Section: McMaster University Final Examination December 2002 This examination paper includes 16 pages and 26 questions. You are responsible for ensuring that your copy of the paper is complete. Bring any discrepancy to the attention of your invigilator. Special Instructions: Only the McMaster standard calculator may be used. A sheet of formul± is attached to the end of this exam paper. Do not write solutions on this formula sheet. Answer all questions directly on this examination paper in the spaces provided. In part A (multiple choice) only the answer is marked. In part B (problems) you must provide a solution showing clearly how the correct answer was obtained to receive full marks. Your solutions may be continued on the blank page at the end if you indicate clearly where the continuation may be found. Each question in part A is worth 3 marks, and each question in part B is worth 10 marks. This paper must be returned with your answers. PLEASE DO NOT WRITE BELOW THIS LINE 1-18 19 20 21 22 23 24 25 26 Total (36) (3) (3) (3) (3) (3) (3) (3) (3) (60) 1

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Part A (multiple choice): Print the letter corresponding to the most nearly correct answer in the box. Each correct answer is worth 2 marks. 1 . Two astronauts (both 70 kg) are foating motionless in empty space Far From the Earth. One oF them is holding a 20-kg oxygen tank. He pushes the tank directly toward the second astronaut, who catches and holds it. IF the speed oF the tank relative to the second astronaut was 2.0 m/sec, then the ±nal speed oF the second astronaut relative to the ±rst one (aFter the second one has caught the tank) is: (A) 0.4 m/sec (B) 0.6 m/s (C) 1.0 m/s (D) 1.5 m/s answer 2 . You are throwing darts at a target, and you notice that the slower you throw the dart, the higher you have to aim it to hit the center oF the target board. This is because (A) the slower dart experiences more centripetal Force along its curved arc (B) the slower dart experiences a stronger gravitational acceleration (C) the slower dart is a²ected more by air resistance (D) the slower dart has more time to Fall answer 3 . You pull on a car with a rope oF negligible mass, giving the car a small acceleration. The Force oF the rope on you is (A) precisely equal in magnitude to the Force oF the rope on the car (B) less than the Force oF the rope on the car (C) larger than your pulling Force on the rope (D) zero.
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1d3exam2002 - Physics 1D03 Day Class Version 1 Name...

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