Physics 117A PROBLEM SET #1 Assigned: Wed. . 8/26/09 Young & Freedman Chapters 1 & 2 Turn in no later than 5:00 PM Thurs. September 3 Show all your work, and explain your reasoning. It is usually best to solve problems algebraically and only insert numerical values as the last step if a numerical answer is required. After you have solved a problem, pause and ask yourself whether the answer seems plausible; include with your solution a statement regarding the plausibility of the answer. See the grading scheme and an example of a good problem solution on the course web page (Topics → Homework) BOX YOUR FINAL ANSWERS. While we encourage free discussion of the homework, all assignments are to be completed individually. Copying will not be tolerated. 1. Vector A has magnitude 3.50 and lies in the xy plane pointing at an angle 20º from the + x axis and 70º from the + y axis. Vector B has magnitude 2.30 and lies in the xy plane pointing at
This is the end of the preview.
access the rest of the document.