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Physics 200 2014-2015 Chapter 8 – Linear Momentum and Collisions Class # Date 74 01-05-15 A 75 01-06-15 B 76 01-07-15 A 77 01-08-15 B 78 01-09-15 A Topics & Activities 8.1. Linear Momentum and Force Define linear momentum. Explain the relationship between momentum and force. State Newton’s second law of motion in terms of momentum. Calculate momentum given mass and velocity. Bill Nye – Momentum 8.2. Impulse Define impulse. Describe effects of impulses in everyday life. Determine the average effective force using graphical representation. Calculate average force and impulse given mass, velocity, and time. Car Crash Video 8.3. Conservation of Momentum Describe the principle of conservation of momentum. Derive an expression for the conservation of momentum. Explain conservation of momentum with examples. Explain the principle of conservation of momentum as it relates to atomic and subatomic particles. 8.4. Elastic Collisions in One Dimension Describe an elastic collision of two objects in one dimension. Define internal kinetic energy. Derive an expression for conservation of internal kinetic energy in a one dimensional collision. Determine the final velocities in an elastic collision given masses and initial velocities. Lab – Collision Force and Impulse DVD – Understanding Car Crashes 8.5. Inelastic Collisions in One Dimension Define inelastic collision. Explain perfectly inelastic collision. Assignment Due Apply an understanding of collisions to sports. Determine recoil velocity and loss in kinetic energy given mass and initial velocity. Complete Practice 8.4 & 8.5 Ballistic Pendulum Practice Momentum Wrap up 79 80 81 1 2 3 01-12-15 B 01-13-15 A 01-14-15 B 01-19/15 01-23-15 B 01-26-15 A 01-27-15 B Review Review No School Semester 1 Exam - A56: 01-20-15 - A78: 01-21-15 Crash Impact Design Crash Impact Design Crash Impact Design