Author Question: Compared to orbital velocity, escape velocity is about: A) the same. B) 70 less. C) 40 more. ... (Read 53 times)

jessicacav · **on:** Jul 27, 2018

Compared to orbital velocity, escape velocity is about:

A) the same.
B) 70 less.
C) 40 more.
D) twice as large.
E) four times greater.

Question 2

A year is defined as

A) the time it takes for Earth to complete a rotation on its axis.
B) the time it takes for the Moon to complete an orbit of Earth.
C) the time it takes for the Moon to complete a phase cycle.
D) the time it takes for Earth to complete an orbit around the Sun.
E) the time it takes for the Sun to complete an orbit around Earth.