Homework #1 is available online at http://www.masteringphysics.com and is due on Friday Feb 6 by 8 am. In addition, there is a handwritten homework problem due at the start of lecture on Friday Feb 6, see https://websites.umass.edu/physics131-willocq/files/2009/02/writtenhomework1.pdf.
Please submit questions as a comment to this post.