Weeks of 9/10 - 9/25
Wednesday 9/10: Test on Unit A: Newton/Energy/Rotation
Thursday 9/11 (1/2 Period): Go over test, Do Corrections (You must finish these on your own time!)
Friday 9/12: Begin Unit B: Momentum, Hand out Objectives for this unit, Discuss Center of Mass, Show equations for determining the location of the center of mass of an object as well as the velocity of the center of mass, do center of mass worksheet, introduce the lab (2 parts), start the lab
Monday 9/15 (1/2 period): Continue with the lab, Finish Lab, Turn in Lab, Discuss Momentum/Newton's Third Law, Derive Law of Conservation of Momentum, Discuss Impulse-Change in Momentum
HW: WebAssign B1 (Due Thursday)
Tuesday 9/16: Do a few demos on Center of Mass (irregular object, present with unequal distribution of mass, rotating T-shaped piece of wood about its center of mass, Teddy Bear on guy wire, Discuss objectives on Types of Collisions & Conservation Laws, Acceleration of the Center of Mass, Graphs of force versus time and momentum versus time, Introduce Lab on Collisions, Start Lab using spreadsheet for momentum, kinetic energy, & velocity of the center of mass
HW: WebAssign B1
Wednesday 9/17 (1/2 day advisory period): Discuss Unit Vectors for WebAssign, Discuss Lab and continue, Demos for chain reaction of collisions (Newton's Cradle, several dynamics carts, magnets with linear accelerator, Happy/Sad Balls
HW: WebAssign B1
Thursday 9/18: Turn in Momentum Collisions Lab, Demo: 6 carts with elastic collision on dynamics track--relate to Newton's Cradle, Demo: Magnetic Linear Accelerator, Quick Collisions Quiz, Demo: Happy/Sad Balls with collision into 2 boards, Into ballistic Pendulum--Do practice problem on Lab, Do 1st part of Lab--Derive an equation for the initial velocity of the sphere when it is shot from launcher, Each group has a different launch velocity (SHORT, MID, or LONG range of launcher)--determine the angle from launching at your range
HW: Complete the ranking task worksheet on collisions
Friday 9/19 (1/2 period): Continue with Ballistic Pendulum Lab, Do Practical portion of lab where you fire the launcher horizontally and check your mathematical prediction,
HW: Complete the ranking task worksheet on collisions
Monday 9/22: Turn in Ballistic Pendulum Lab (those who have finished), Start Discussion of Angular Momentum, Demos for this topic, Any last groups have to finish the lab?, Discuss 2-D Linear Momentum,
HW: WebAssign B1* on Momentum in 2-D (Due on Thursday) & B2 on Angular Momentum (Due on Friday)
Tuesday 9/23 (1/2 period): More discussion on Angular momentum, Look at equations for conservation of angular momentum angular impulse, Demo: rotating stool with person holding 2 bricks, 2 problem worksheet on angular momentum
HW: WebAssign B2
Wednesday 9/24: Any questions on 2 problems we were working on yesterday?, Hand out papers for Unit C: Gravitation, Discuss the first few objectives, Discuss Linearization, AP Problem
HW: Finish AP Problem, B2 WebAssign
Thursday 9/25 (1/2 period): Any questions on AP Problem on Linearization, Discuss More on Gravitation, Discuss Kepler's Laws, Elliptical orbits and Angular Momentum Conservation vs. Energy Conservation
HW: WebAssign B2
Friday 9/26: Continue with discussion on Angular Momentum Conservation and then discuss Energy Conservation of orbits, Intro Lab Activity, Start Activity
HW: WebAssign C1