If distance from the Sun were the only factor affecting surface habitability, which of the following would be habitable?
A) the Moon
B) Venus
C) Mercury
D) all of these
Question 2
A jet fighter plane is launched from a catapult on an aircraft carrier. It reaches a speed of 42 m/s at the end of the catapult, and this requires 2 s. Assuming the acceleration is constant, what is the length of the catapult?
A) 16 m
B) 42 m
C) 24 m
D) 66 m
E) 84 m