Homework Problems

Harmonic Motion #2 problem 3:
HRW915P041: Finding the moment of inertia, center of mass, and period of a physical pendulum

Gravitation #2 problem 7
HRW913P060:Find the total mechanical energy of two orbiting satellites before and after they collide.

Gravitation #2 problem 9
HRW913P089: Find the variations in total energy, potential energy, kinetic energy, and orbital speed for earth at perihelion and aphelion.

Gravitation #2 problem 10
HRW913P093: Find the velocity of an asteroid that strikes a planet if it started at infinity

Last Lecture

This is the last one...I think.

SHM and Uniform Circular Motion

Lectures: Pendulums

Torsion Pendulum

Simple Pendulum

Physical Pendulum

Lectures: Block on a Spring

Simple Harmonic Motion: Block on a Spring
Energy in Simple Harmonic Motion: Block on a Massless Spring

Lectures: Intro to Simple Harmonic Motion

Simple Harmonic Motion Intro

SHM Velocity and Acceleration

Homework Problems

HRW913P001: Find the ratio of m/M that maximizes the gravitational force between m and (M-m)
HRW913P002 Part A: Find the % change of the moon's gravitational pull on you from full moon to new moon
HRW913P007: Find where to place a third mass so the net gravitational force on a particle is zero
HRW913P013: Find the gravitational force of a lead sphere with a chunk taken out
HRW913P021: Find the minimum mass of a neutron star needed to keep stuff on its surface
HRW913P081: Find angular velocity of a binary star system. Find the escape velocity of a meteoroid leaving the system

Orbits Lectures

More lectures using gravity, but adding circular motion!

Kepler's Laws
Energy of Orbits

My Solar System

Today we're completing an online lab: My Solar System. Although I didn't write this lab (I found it on the PhET website) I really like it because it explores orbits, gravity, energy, and momentum. If you don't finish in class it is homework, due on Thursday.