Two spaceships that have different masses but rocket engines of identical force are at rest in space.If they fire their rockets at the same time,which ship will speed up faster?
A) the ship with least mass
B) the ship with greatest mass
C) The spaceships will increase speed at the same rate because they have identical rocket engines.
D) The spaceships will not speed up at all; they will move at a constant speed because they are in space and the rocket has nothing against which to push.
Correct Answer:
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