lecture8_09 - 1 Phy 2053 Announcements 1. Prof Chan has...

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Unformatted text preview: 1 Phy 2053 Announcements 1. Prof Chan has changed his Wednesday office hours from 11 am 12 pm to 3-4 pm. 2. Access to homework solutions (and exam solutions) Username: chan (all lower case) Password: send e-mail to Reitze 3. Webassign useful information the final answer usually requires 3 significant figures, and you should keep at least that many significant figures in intermediate steps to get the right answer. In class Quiz #7-2 A person pulls a block across a rough horizontal surface at a constant speed by applying a force F . The arrows in the diagram correctly indicate the directions but not necessarily the magnitudes of the various forces acting on the block. Which of the following statements must be true? A. F = k and N = W B. F = k and N > W C. F > k and N = W D. F > k and N > W E. None of the above Prof Reitze A. F = k and N = W B. F = k and N > W C. F > k and N = W D. F > k and N > W E. None of the above In class Quiz #7-2 A person pulls a block across a rough horizontal...
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lecture8_09 - 1 Phy 2053 Announcements 1. Prof Chan has...

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