Practice Midterm 2 with Solutions (b-b)

Practice Midterm 2 with Solutions (b-b) - Your Name....

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Your Name. Student ID#. 1Bb Physics for Scientists and Engineers: Oscillations, Waves, Electric- ity and Magnetism Midterm #2. Monday 22nd May. Instructor: Steve Cowley Please do not write in this region Question 1. Question 2. Total. Open book, open notes – no talking. Please write your answers in the space provided below. Partial credit is given for answers that are on the right track so show your working. You may use rough paper but please put the working on these sheets. Answers need not be more accurate than two significant figures. If you don’t have much time you will get almost all of the credit for writing down the right expression (with the right numbers inserted) and leaving the arithmetic undone. No calculators or cell phones are to be used in the exam . Question 1. Cooling Sound. 20 points We consider a pulse of sound waves in a room with walls that are receding from each other – i.e. the room is expanding. The sound waves bounce backwards and forwards from the walls. The velocity of the wall on the
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Practice Midterm 2 with Solutions (b-b) - Your Name....

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