P3: Spacecraft Orbits

Question 1

rockets accelerate by ejecting part of its mass at ___ velocity

Answer 1

escape

Question 2

space vehicle in orbit about a massive spherical object follows a ___ section

Answer 2

conic

Question 3

transfer between circular coplanar orbits needs impulse ___ to current orbit to be most effective

Answer 3

tangential

Question 4

transfer takes ___ the period of he transfer orbit

Answer 4

half