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Unformatted text preview: 77777 77777 Instructor: Ihas/Biswas PHYSICS DEPARTMENT PHY 2053 Final Exam, 120 minutes December 13, 2008 Name (print, last first): Signature: On my honor, I have neither given nor received unauthorized aid on this examination. DIRECTIONS (1) Code your test number (THE 5DIGIT NUMBER AT THE TOP OF EACH PAGE) on your answer sheet using lines 76–80. Write your test number down and take it with you. Code your name on your answer sheet. Code your UFID number on your answer sheet. (2) Print your name on this sheet and sign it also. (3) You may do scratch work anywhere on this exam. 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) Fill in the circles of your intended answers completely on the answer sheet, 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, showing your UFID. g = 9 . 80 m/s 2 R earth = 6 . 37 × 10 6 m G = 6 . 67 × 10 11 Nm 2 /kg 2 ρ water = 1000kg/m 3 M earth = 5 . 98 × 10 24 kg I disk = 1 2 MR 2 P atm = 1 . 013 × 10 5 Pa All ropes, strings, and cables are massless. 1. A person takes a trip, driving with a constant speed of 99.5 km/h except for a 21.0 min rest stop. If the person’s average speed is 61.3 km/h, how far does the person travel? (1) 55.9 km (2) 119 km (3) 90.3 km (4) 45.2 km (5) 181 km 2. A person takes a trip, driving with a constant speed of 94.0 km/h except for a 20.0 min rest stop. If the person’s average speed is 74.4 km/h, how far does the person travel? (1) 119 km (2) 55.9 km (3) 90.3 km (4) 45.2 km (5) 181 km 3. A person takes a trip, driving with a constant speed of 93.0 km/h except for a 22.0 min rest stop. If the person’s average speed is 67.5 km/h, how far does the person travel? (1) 90.3 km (2) 55.9 km (3) 119 km (4) 45.2 km (5) 181 km 4. A brick is thrown upward from the top of a building at an angle of 30 ◦ to the horizontal and with an initial speed of 16 m/s. If the brick is in flight for 2.7 s before it drops to the bottom of the building, how tall is the building? (1) 14.1 m (2) 26.4 m (3) 39.7 m (4) 10.0 m (5) 52.8 m 5. A brick is thrown upward from the top of a building at an angle of 15 ◦ to the horizontal and with an initial speed of 10 m/s. If the brick is in flight for 2.6 s before it drops to the bottom of the building, how tall is the building? (1) 26.4 m (2) 14.1 m (3) 39.7 m (4) 10.0 m (5) 52.8 m 6. A brick is thrown upward from the top of a building at an angle of 15 ◦ to the horizontal and with an initial speed of 16 m/s. If the brick is in flight for 3.3 s before it drops to the bottom of the building, how tall is the building?...
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 Spring '06
 Buchler
 Physics, Angular Momentum, Mass, Speed of sound, m/s, State highways in Pennsylvania

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