To drop a package to Earth from a satellite, project it
A) straight downward.
B) ahead at satellite speed.
C) behind at satellite speed.
D) none of the above
Question 2
Pioneer 10 was able to escape the solar system by
A) having a sufficient escape velocity at launch.
B) bouncing off Jupiter like a tennis ball bouncing off an approaching tennis racket.
C) refueling via solar cells.
D) nuclear-powered sustained thrust.