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Homework Help: Multiple choice?

  1. Apr 6, 2009 #1
    1. A ball rolls of the edge of a horizontal roof at 10.0m/s. Two seconds later the speed of the ball will be....

    a)9.80 b)10.0 c)19.6 d)29.6 e)none

    2. Two forces of 10 N each act on an object. the angle between the forces is 120degrees. the magnitude of the resultant force on the object is___N.

    a) 10 b) 14 c) 17 d) 20 e) 0
  2. jcsd
  3. Apr 6, 2009 #2


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    Science Advisor

    Did you misunderstand the purpose of this board? Or did you not read the posts you were supposed to when you registered? We are not here to do your homework for you. You learn by doing: show us what you have done and where you are having problems.
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