Saturn's moon named ______________ is the second largest moon in the solar system
a. Titan
b. Europa
c. Ganymede
d. Phobos
e. Diamos
a
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A golf club exerts an average horizontal force of 1000 N on a 0.045-kg golf ball that is initially at rest on the tee. The club is in contact with the ball for 1.8 ms. What is the speed of the golf ball just as it leaves the tee?
A) 50 m/s B) 30 m/s C) 35 m/s D) 40 m/s E) 45 m/s
Which reflector telescope would be the easiest to construct, and why?
What will be an ideal response?
Which of the following is not evidence supporting the giant impact theory for the formation of the Moon?
A) Computer simulations show that the Moon could really have formed in this way. B) The composition of the Moon is similar to that of Earth's outer layers. C) The Moon is depleted of easily vaporized materials, as we would expect from the heat of an impact. D) Scientists have found several meteorites that appear to be the remains of the object that caused the giant impact. E) We see signatures of giant impacts on other planets.
What happens when an interstellar cloud fragment shrinks?
A) It first becomes opaque. B) Density rises. C) Temperature rises. D) Pressure rises. E) All of the above.