Ultraviolet light has wavelengths that are ________ visible wavelengths.
A. the same energy as
B. slower than
C. shorter than
D. faster than
E. longer than
Answer: C
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When a 0.350-kg package is attached to a vertical spring and lowered slowly, the spring stretches 12.0 cm. The package is now displaced from its equilibrium position and undergoes simple harmonic oscillations when released
What is the period of the oscillations? A) 0.0769 s B) 0.286 s C) 0.695 s D) 1.44 s E) 0.483 s
Process of Science: Make a prediction from the theory of plate tectonics and then look to see if you can find an example on Earth that provides a test
What will be an ideal response?
Perhaps the MOST convincing piece of evidence suggesting that Europa has a subsurface ocean is the
A) fact that the magnetic field of Jupiter is able to induce a magnetic field in Europa consistent with a salty ocean beneath its crust B) fact that calculations suggest that there is enough internal heat to keep the ice melted beneath the crust C) lack of impact craters on its surface D) observation of iceberg-like features on its surface
A star like the sun has a luminosity of 
How much mass must be turned into energy each second to produce this power?
A. 
B. 
C. 
D. 
E. 