In 1994, fragments of the Comet Shoemaker-Levy 9 were observed to collide with the planet
A) Mars
B) Saturn
C) Jupiter
D) Venus
C
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You have discovered a new asteroid, which has a moon in an elliptical orbit around it. From a series of observations, you establish that the closest approach occurs when the moon is 49,000 m from the asteroid,
the furthest separation is 98,000 m, and the speed of the moon at the point of closest approach is 7.50 m/s. What is the mass of the asteroid? G = 6.67 x 10-11 N•m2/kg2. A) 4.25 × 1016 kg B) 9.87 × 1016 kg C) 3.10 × 1016 kg D) 2.04 × 1016 kg E) 5.05 × 1016 kg
Due to the dual nature of light and matter, either can act in an experiment as if it is a wave or a particle. In which experiment is the wave aspect exhibited for matter?
a. the Davisson and Germer experiment b. Wien's law determinations c. the Stern-Gerlach experiment d. the photoelectric effect
Which of the following particles has not been observed experimentally?
a. antiproton c. photon b. graviton d. Z0 boson
What is the major source of energy responsible for earthquakes in southern California?
What will be an ideal response?