The Physics 101 Help Desk is located in Small 259
(in the Physics Library, the room is called "Undergraduate Student Lounge"). 
It is open
Wednesdays and Thursdays, 2:00 pm - 6:00 pm. 
A detailed schedule is available 
here.
The SPS tutoring sessions this year are:
          Thursdays, 6:00 - 8:00pm(ish) , in Small 122  
Note - if you are interested  in arranging private tutoring, this is a 
great way to meet upper-level physics majors who might be interested
in providing this. 
http://physics.wm.edu/~armd/HelpandTutoring.html