When a spinning ice skater pulls in his arms, he spins faster because
His angular momentum must be conserved, so reducing his radius must increase his speed of rotation
This class was tough.
The course was extremely difficult, yet also extremely interesting. Spend time reading the book and studying the notes taken in class and you should be good.
The universe is huge! But also much different than I expected.
Hours per week:
Advice for students:
Do your homework, and study early, he builds off the concepts taught at the beginning of the course.