Lecture HomeWork 4
Physics 121, Fall 2010
Prof. E. F. Redish
Lecture homework consists of 2 parts:
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 includes a few MP problems plus a few
problems from my collection. The MP problems will be exercises, worth 1 point
each. You may use any hints that are available and you can do them as many
times as you want. The problems from my collection are worth 2-3 points each
- The second part is one of the problems from my collection. It should be
prepared carefully and neatly on
paper (preferably on a computer and printed out). It is worth 5 points.
- Please be certain to put your name and section number on every page
and to 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 about 2:00 PM on the Friday when it is due).
(Due Friday, 9/24/10)
To be done on paper and handed in at the beginning
of lecture on Friday (worth 5 pts -- should be typed and printed).
be done in the MP environment. 3 MP problems (1 pt each) plus the following:
for a cart on a tilted airtrack -- with spring (1
model cars (2
the right dose (2
a bowling ball (1
up a lap (3 pts)
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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 16. September,