Problem sheet flashcards

(7 cards)

1
Q

What is the equation for orbital period?

A

T = 2π/ω

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2
Q

How do r and p give the angular momentum?

A

L = r × p

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3
Q

What are the elements of the force matrix?

A

Kij = ∂2V/∂xi∂xj
Where V is the potential energy

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4
Q

What are the elements of the inertial matrix?

A

Mij = ∂2T/∂ẋi∂ẋj
Where T is the kinetic energy

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5
Q

What are the densities of water and air at 1atp?

A

Water: 1000 kgm-3
Air: 1.29 kgm-3

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6
Q

What simple equation links pressure and density?

A

P = ρgh

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7
Q

What does the Bernoulli principle tell us?

A

That pressure is highest where the speed is lowest

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