What is the ratio of the escape speed of a rocket launched from sea level to the escape speed of one launched from Mt. Everest (an altitude of 8.85 km)? The radius of the earth is 6.38 106 m.
A) 1.0007
B) 1.0014
C) 1.0001
D) 0.9986
E) 0.9993
Question 2
Communications and weather satellites always appear at the same place in the sky because these satellites are
A) beyond the pull of Earth's gravitational field.
B) moving at a speed just short of escape velocity.
C) orbiting Earth with a 24-hour period.
D) stationary in space.
E) none of the above
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