Problem sheet flashcards
(7 cards)
1
Q
What is the equation for orbital period?
A
T = 2π/ω
2
Q
How do r and p give the angular momentum?
A
L = r × p
3
Q
What are the elements of the force matrix?
A
Kij = ∂2V/∂xi∂xj
Where V is the potential energy
4
Q
What are the elements of the inertial matrix?
A
Mij = ∂2T/∂ẋi∂ẋj
Where T is the kinetic energy
5
Q
What are the densities of water and air at 1atp?
A
Water: 1000 kgm-3
Air: 1.29 kgm-3
6
Q
What simple equation links pressure and density?
A
P = ρgh
7
Q
What does the Bernoulli principle tell us?
A
That pressure is highest where the speed is lowest