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Unformatted text preview: Physics 21 Practice Final  3 hours 2 Pages  turn over!! Harry Nelson Friday, March 16 Write your answers in a blue book. Calculators and two page of notes allowed. No textbooks allowed. Please make your work neat, clear, and easy to follow. It is hard to grade sloppy work accurately. Generally, make a clear diagram, and label quantities. Make it clear what you think is known, and what is unknown and to be solved for. Except for extremely simple problems, derive symbolic answers, and then plug in numbers (if necessary) after a symbolic answer is available. Put a box around your final answer... otherwise we may be confused about which answer you really mean, and you could lose credit. Remember the real final will take place on Tuesday, March 20 from 8:00am to 11:00am in 1640 Broida. Take the acceleration of gravity near the earth’s surface as g = 10m/s 2 . 45º z h d Figure 1: For use in Problem 1. 1. You build the ramp shown in Fig. 1. A small mass is released from rest at the top left. Ignore friction....
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This note was uploaded on 08/06/2008 for the course PHYS 31 taught by Professor Nelson during the Winter '06 term at UCSB.
 Winter '06
 Nelson
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