An object is dropped from a helicopter. When it reaches terminal velocity
A) the acceleration finally reaches g.
B) gravity no longer acts upon it.
C) all of the upward forces add up to zero.
D) the total force is zero.
E) the acceleration of gravity, g, becomes 0.
Question 2
Based solely on its distance from the Sun, we would expect the surface of Venus to be
A) colder than the Earth such that water would freeze
B) warmer than the Earth, but not so warm that liquid water could not exist
C) roughly the same temperature as the Earth so that water would mostly be in liquid form
D) very much warmer than the Earth such that liquid water could not exist on the surface
Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T
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