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Unformatted text preview: 77777 77777 Instructor(s): Profs. D. Acosta, H. B. Chan, P. Hirschfeld PHYSICS DEPARTMENT PHY 2053 Exam 1 February 17, 2010 Name (print, last first): Signature: On my honor, I have neither given nor received unauthorized aid on this examination. YOUR TEST NUMBER IS THE 5DIGIT NUMBER AT THE TOP OF EACH PAGE. (1) Code your test number on your answer sheet (use lines 7680 on the answer sheet for the 5digit number) . Code your name on your answer sheet. DARKEN CIRCLES COMPLETELY . Code your UFID number on your answer sheet. (2) Print your name on this sheet and sign it also. (3) Do all scratch work anywhere on this exam that you like. Circle your answers on the test form. At the end of the test, this exam printout is to be turned in. No credit will be given without both answer sheet and printout. (4) Blacken the circle of your intended answer completely, using a #2 pencil or blue or black ink . Do not make any stray marks or some answers may be counted as incorrect. (5) The answers are rounded off. Choose the closest to exact. There is no penalty for guessing. (6) Hand in the answer sheet separately. Constants g = 9 . 80 m/s 2 1. A book with mass 1.0 kg is initially at rest on a rough horizontal table. It is set into motion when a constant horizontal force of 3.0 N is applied to it. If the coefficient of kinetic friction between the book and the table is 0.2, find the distance traveled by the book in 2.0 seconds. (1) 2.1 m (2) 6.0 m (3) 3.9 m (4) 1.0 m (5) 9.8 m 2. A book with mass 1.0 kg is initially at rest on a rough horizontal table. It is set into motion when a constant horizontal force of 4.0 N is applied to it. If the coefficient of kinetic friction between the book and the table is 0.3, find the distance traveled by the book in 2.0 seconds. (1) 2.1 m (2) 8.0 m (3) 5.9 m (4) 1.0 m (5) 9.8 m 3. A book with mass 2.0 kg is initially at rest on a rough horizontal table. It is set into motion when a constant horizontal force of 3.0 N is applied to it. If the coefficient of kinetic friction between the book and the table is 0.1, find the distance traveled by the book in 2.0 seconds. (1) 1.0 m (2) 3.0 m (3) 2.0 m (4) 0.52 m (5) 9.8 m 4. A plane flies at an altitude of 400 meters above the ground at a velocity of 50 m/s in the horizontal direction. The pilot releases a parcel when the plane is directly above a camper. How far does the camper need to walk from his initial position to retrieve the parcel? (1) 450 m (2) 400 m (3) 81 m (4) 6.4 m (5) 9.0 m 5. A plane flies at an altitude of 200 meters above the ground at a velocity of 50 m/s in the horizontal direction. The pilot releases a parcel when the plane is directly above a camper. How far does the camper need to walk from his initial position to retrieve the parcel?...
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This note was uploaded on 11/13/2010 for the course PHY 2053 taught by Professor Buchler during the Spring '06 term at University of Florida.
 Spring '06
 Buchler
 Physics

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