P125-F-w02 - UnJ~tyoi Waterloo , U Diversity of Waterloo...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: UnJ~tyoi Waterloo , U Diversity of Waterloo Final Examination Winter TERM 2002 (TemI) (Year) iNSTRUcnONS: PART A: 6 multiple-choice questions word1 S InarkB each I OUESTION GRADE , 8 a) ANSWER CARDS Wll.L BE COLLBCI'ED AT 11 :30 a.m. b) Mark. your card in dark pencil. Avoid a'asurcs by checking IDIWas before marking them. EntrI: ~ ID# and the "K. ~tion" indicated above in the spaces provided. c) AnEMPT AU. QUESTIONS - there is no penalty for inco~t 1nSW0'S. However, credit may be denied if appropriate worlt is not shown in the space below the qu~tions in this booklet. d) Numba:s in queltions may be takm as ~ to as many figures as you wish. but answers are rounded. 80 pick the closest one. 9 10 IJ PART B: 6 qUC8tions worth 12 marks ~h for. total of 102. 12 Partial credit is given for a correct approach provided you show clearly what you are doing. TOTAL Diagrams are Dot to seale. USEFUL INFORMA nON: I c 9.8 m/il c=3.00x IO'mls I cV-I.6x loot'} m,-I.67x 10-27 kg v-JBTP DCIIaity of air = 1.29 kg/m3 Hearing threshold Io - 10.12 W /m2 hc = 1240 eV.nm h = 6.63 X 10-34 J.. me-9.11 X 10-31 kg e= 1.6x 10-19C-136 E. - -+- eV (Bohr ~ry for h)'dro&=) n co . Ru-1.09737x10'm-1 .' \,~ B = bulk rnodulus p - dcnsity Area of &pbe - 41tR2 Velocity of sound in air V = 340 mil Page 2 of 10 Physics 125 Final Examination Two springs, each with unstretched length 0.200 m but with different force constants kl and k2 are attached to opposite ends of a block of mass m on a level frictionless surface. The outer ends of the springs are now attached to two pins PI and P2 0.1 m fi'om the original positions of the end of the springs. Let k. = 2.00 N/m and k2 - 6.00 N/m. and m = 0.100 kg. At equilibrium how far fi'om PI will the left face of~~ ~ Answer in m. (8) .20 (b) .IS (c) .1 (d) .05 (e) none of them ~J 'fa. 2. Two sound soun;es emit sound waves in phase of wavelength 1... They are placed y" I.. apart at an equal distance from the center of the circle. The circle has a radius of R ~ % 1... If the power of each source is P which equation descn"bcs the intensity at point "B" in tcnns ofP and I..?...
View Full Document

This note was uploaded on 04/01/2012 for the course PHYS 125 taught by Professor Mohamed during the Spring '08 term at Waterloo.

Page1 / 10

P125-F-w02 - UnJ~tyoi Waterloo , U Diversity of Waterloo...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online