PHY251 Homework Set 1

Reading:	Chapter 1
Homework:	Chapter 1, problems 1,3,4	Due date: Monday Jan. 25

Hints

Problem I.1

Hints:

There are three unknown (scalar) quantities. What are they? Therefore you need three equations. What principles or laws give you each of the three equations you need?

Make sketch! Can you use conservation of momentum and kinetic energy?