What would happen if the Space Shuttle were launched with a speed greater than Earth's escape velocity?
A) It would take less time to reach its bound orbit.
B) It would travel in a higher orbit around Earth.
C) It would travel away from Earth into the solar system.
D) It would be in an unstable orbit.
E) It would orbit Earth at a faster velocity.
Question 2You are standing on a scale in an elevator. Suddenly you notice your weight decreases. What do you conclude?
A) The elevator is moving at a constant velocity upwards.
B) The elevator is accelerating downwards.
C) The elevator is moving at a constant velocity downwards.
D) The elevator is accelerating upwards.
E) Your diet is working.
Question 3Which of the following correctly describes the concept of galactic recycling?
A) New stars are continuously being formed in the Milky Way out of gas that has been ejected from a previous generation of stars.
B) In the formation of a star, no matter is wasted as all excess material ends up recycled into planets.
C) Stars near the center of the Milky Way are continually recycled to the outskirts of the disk by their orbital motion.
D) Life is continuously being spread from star to star in the Milky Way.
E) New galaxies are continuously being formed out of gas ejected from a previous generation of galaxies.
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