Rockets Flashcards

1
Q

What is the equation for the conservation of momentum after a rocket ejects dm of fuel at speed ve relative to the rocket?

A

mv = (m+dm)(v+dv) + (-dm)(v+dv-ve)

This beomes m dv = -ve dm

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2
Q

What is the rocket equation?

A

v - v0 = Δv = ve * ln(m0/m)

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3
Q

What is the equation for the thrust of a rocket?

A

F = m dv/dt = -ve dm/dt

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