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exam1 - CODE AAAAAA PHY231C Summer 2008 PHY 23 1 EXAM 1...

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Unformatted text preview: CODE - AAAAAA- PHY231C, Summer 2008 - PHY 23 1 EXAM 1 Name: Your code is: AAAAAA Put your name here: Keep this exam CLOSED until advised by the instructor. 60 minute long closed book exam. Fill out the bubble sheet: last name, first initial, student number, section number and code . A two-sided 8.5 by 11 handwritten help sheet is allowed. When done, hand in your test and your bubble sheet . Thank you and good luck! Possibly useful constants: • g = 9.81 m/s 2 • G = 6.67 × 10-11 Nm 2 /kg 2 • σ = 5.67 × 10-8 W/(m 2 K 4 ) • R= 0.0821 L*atm/(mol*K) = 8.31 J/(mol*K) Possibly useful Moments of Inertia: • Solid homogeneous sphere: I CM = (2/5)MR 2 • Thin spherical shell: I CM = (2/3)MR 2 • Thin uniform rod, axis perpendicular to length: I CM = (1/12)ML 2 • Solid homogeneous cylinder, axis through center of mass and parallel to length: I CM = (1/2)MR 2 Useful information for Geometry: • Volume of a sphere: V = (4/3) π r 3 • Volume of a cylinder: V = π r 2 h CODE - AAAAAA- PHY231C, Summer 2008 - PHY 23 3 EXAM 1 7 pt There are 1,609 meters in one mile. How far in miles would a schoolbus go in 6 hours, 10 minutes at 90 km/h? 1 . A circlecopyrt 184 B circlecopyrt 215 C circlecopyrt 252 D circlecopyrt 295 E circlecopyrt 345 F circlecopyrt 404 G circlecopyrt 472 H circlecopyrt 552 7 pt A right cylinder has a radius r of 13.7 mm and a height h of 31.2 mm. What is the volume of the cylinder in cm 3 ? 2 . A circlecopyrt 1 . 84 × 10 1 B circlecopyrt 1 . 84 × 10 2 C circlecopyrt 1 . 84 × 10 3 D circlecopyrt 5 . 86 × 10 3 E circlecopyrt 1 . 84 × 10 4 F circlecopyrt 1 . 84 × 10 5 G circlecopyrt 1 . 84 × 10 6 H circlecopyrt...
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