Lecture HomeWork 4L
Physics 122, Spring 2011
Prof. E. F. Redish
Lecture homework consists
of 2 parts. Some of the problems this week require diagrams and tools
that are not available in MP. These will have to be done on
Both parts will be due at the beginning of lecture on Fridays.
- One part is to be done online in
the MasteringPhysics (MP) environment. This comes in two parts. First is
a few MP problems as warm-up. These are worth 1 point each and you can do
them as many times as you want until you get them right. There are also
a few problems from my collection. These are worth
2 or 3 point eachs and you only get one attempt at them. You should work
them out fully before attempting to enter them. (They are given in the list
below for your convenience.)
- The second part are problems
from my collection. It should be prepared carefully and neatly on
paper (preferably on a computer and printed out).
- Please be certain to put your name and section number on every page
and do NOT CONNECT THE PAGES with staples, clips, tape, or dogears.
Connecting them may result in you homework being damaged or destroyed.
No homework will be accepted after the solutions are released on BlackBoard
(at 10:00 PM on the Friday when it is due).
(Due Friday, 2/25/11)
be done on paper and handed in at the beginning of lecture on Friday
(these problem should be typed and printed).
missing a beat (5 pts)
2. Figuring out where (4
world in a spoon (3 pts),
be done in the MP environment. 2 MP problems (1 pts each) plus the following:
versus mirror (2 pts)
of light and the GPS system (2 pts)
(The speed of light is about 300,000 km/s)
growth -2 (3
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This page prepared by
Edward F. Redish
Department of Physics
University of Maryland
College Park, MD 20742
Phone: (301) 405-6120
Last revision 21. February,