The Moon orbits the Earth the Earth orbits the Sun. If the Earth-moon system is ˜1 AU from the Sun and takes ˜1 Earth year to orbit, what is the combined mass of the triple system? Express your answer in solar mass units
a. 1 b. 1.1
c. 1.2 d. 1.3
a
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Which of the following objects cannot transit (i.e. pass in front of) the Sun as seen from Jupiter?
a. Mars b. Earth c. Saturn d. Mercury e. Venus
If Copernicus overthrew the geocentric universe, what did Kepler overthrow?
What will be an ideal response?
Swimmers at a water park have a choice of two frictionless water slides as shown in the figure
Although both slides drop over the same height, h, slide 1 is straight while slide 2 is curved, dropping quickly at first and then leveling out. How does the speed v1 of a swimmer reaching the end of slide 1 compares with v2, the speed of a swimmer reaching the end of slide 2? A) v1 > v2 B) v1 < v2 C) v1 = v2 D) No simple relationship exists between v1 and v2 because we do not know the curvature of slide 2.
A small sports car collides head-on with a massive truck. Which vehicle experiences the greater impact force (in magnitude)?
1.the car 2.the truck 3.Neither, the force is the same on both.