Midterm 2 w/ solutions

Midterm 2 w/ solutions - PHYSICS 6C LECTURE 3 SPRING 2008...

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Unformatted text preview: PHYSICS 6C LECTURE 3 SPRING 2008 PROF. H. W. JIANG MIDTERM #2 May 19 Student name (print) Student number 1. Light ef wavelength see nm is incident on e slit of width fljflfl mm. The observing screen is 2.00 m from the slit. Find the width efthe senenderder bright (i.e., the eeeend hfightefl} fi'Euges. FD!“ jun-#h: elil‘, J'f‘frfll'er H. gr“ Gehrfl : ‘11"! : t 2 05. x J: 1 I: ‘tqut dork“ +rlnyfig 3H1 Eli:er :: 3‘ : ESL. gibfif _ + =2 ck Oaxfcrj'“ ~ul‘13x’m 2'. 1". 3 t :4! L thCJmle _ L S!” Gthh iii-{1E Sift-fill {Ir-“r1393 ‘31: L'Hr'leAll k — _1_>__ _3_. H" L a“ ‘1*(l 2,0,??3’}: ) 22—3 ’7,’}'.? x {ti—1,17} . I -——_HI‘H"' A: - _ "a 3‘1 3: - Mm - we 2. A cube of an unknown material having an edge dimension of [[LD em fleet: on water. The distance from the horizontal top muffle of the cube In the water level is 5.0 am. What is the density uftiu: unimuwn material? {density of the water = 1.0 gem}; Few i “ii. 1 9 . r l J cm: {in g. _ Q» fem-Mn j. Lfi'n _"} f‘ -' (n41 J l 3. Water entete a house through a pipe with an inside diameter of 2.1] em at an absolute pressure oi‘aiJIZIit'liilj P1 The pipe leading to the seemifloor bathroom it} to above is 1.1] em in diameter {sea the figure}. When the flow epeed at the inlet pipe is 21} mfs. find the flow speed and presmee, and flow rate in the bathroom. 4. An aluminum calorimeter with a negligible weight contains see 3 et' water. The calorimeter and water are in thermal equilibrium at It}.fl “c. Two metallic hicclts are placed inter the water. lI‘Jne is a Till] 3, piece of beryllium at Bill.) “c. The other block has a mass of Elli} g and is initially at mt] I’e. The entire system stabilizes at a teinperanne ci‘ltl “c. Determine the specific heat nf the unknown sample? [specific heat for aluminum = 11215 call'g”c. for water = l caltg°c. fer beryllium == [£435 calfg‘c] Ll. t'Lir'i : “fl (0 (mill-u Cline (:1 Tit... T ILIif-I (fill é El ) : —- “kiwi: Lil}.r — in, c} e: T,‘ t‘r e if. g“%' Inky/jar +IJJ(JL"|FL-) : — “R e a 6.4M. rel/W __ g} ,7“ CI} 7‘ [II-L. "a’L-r ) (— 1L __ :1, L,._ gun—IL :_ .lfJ’JJ? 1— {f i (g .: elf? :l‘i (“ii/yet, ...
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Midterm 2 w/ solutions - PHYSICS 6C LECTURE 3 SPRING 2008...

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