If a sample is bombarded with high-energy electrons, there are two forms of x-rays emitted: continuous-wavelength x-rays and _________x-rays.
Fill in the blank(s) with the appropriate word(s).
characteristic
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Calculations of the Sun's future evolution indicate that it will blow away almost half of its mass in several relatively short episodes about 4 to 5 billion years from now before it is finally extinguished
a. True b. False Indicate whether the statement is true or false
The ____________ was a large cyclonic storm in the atmosphere of Neptune observed by Voyager 2
Fill in the blank(s) with correct word
What are the appropriate units for the Sun's luminosity?
A) watts B) joules C) newtons D) kilograms
Two satellites with equal rest masses of 100 kg are traveling toward each other in deep space. One is traveling at 0.650c and the other at 0.850c. The satellites collide and somehow manage to stick together
What is the rest mass of the combined object after the collision? A) 378 kg B) 277 kg C) 200 kg D) 312 kg E) 100 kg