Rutgers University Department of Physics and Astronomy

Elements of Physics 161

Fall 2009

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SECOND EXAM has been graded. The average is 72%. Grades are in the gradebook.
exam1 solution
exam2 solution
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Due date for HW10 is Nov 16
Due date for HW11 is Nov 23
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  • Students enrolled in this course are required to regularly check this 750:161 course home page. 
    Important announcements about WebAssign, homework, laboratory/workshop, exams, etc. are posted at the bottom of this webpage.

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    Contents:



    lecture notes (1-9 power point, 10-beyond pdf format) and homework solutions (pdf format)


     

    Announcements


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    REMARKS ABOUT HOMEWORK WEBASSIGN:
    Give your answers with 3 significant figures in the units indicated. This avoids difficulties with webassign's 1% precision rule.
    Powers of 10 should be in E format with no spaces.

    HW1, #9, 2P37,
    Draw the x-t and v-t diagrams for the train's motion and see if they reflect the reality.

    HW6, #5, 9P43,
    Use density of iron from Table 9.3 on page 276 of text book

    HW8, # 5, 11P6,
    1 Cal equals 1000 cal = 1 kcal. In some #5 versions the number of kcal is wrong.

    HW10, # 4, 14P4,
    Velocity of sound in seawater is given in Table 14.1 at 25 C. It does not change with temperature as rapidly as the velocity in air.

    HW11, # 7, 15P8,
    Notation of answer may contain factors like ke and q^2 and (1-sqrt2).

    HW11, # 8, 15P17,
    Answer is in units of N/C.

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    REMARKS ABOUT EXAM AND EXAM REVIEW
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    REMARKS ABOUT EXAM WEEK

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    FOR ALL RESULTS IN THE LAB:
    Give your answers with 3 significant figures in the units indicated.

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    Free tutoring available: Professor William DeBuvitz, Friday 10:00am-12:00noon, ARC 332 at the MSLC

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    Occasionally, announcements about the physics 161 course will be send out by e-mail.  I have down-loaded the "official" e-mail addresses from the University roster.  Be sure to check your "official" e-mail address for new messages.If your e-mail address has changed or is not listed with the University roster,  let me know.

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