Which statement must be true in order for a rocket to travel from Earth to another planet?
A) It must attain escape velocity from Earth.
B) It must carry a lot of extra fuel.
C) It must have very large engines.
D) It must be launched from space, rather than from the ground.

Question

Quizplus · Accepted Answer

To travel from Earth to another planet, the rocket must attain escape velocity from Earth, which is the minimum speed required for an object to break free from Earth's gravitational pull. This is necessary for the rocket to continue moving towards the other planet without being pulled back to Earth. B, C, and D are not necessary conditions for a rocket to travel to another planet.

Which Statement Must Be True in Order for a Rocket