The galaxies that reveal their motion through the intergalactic medium are called ________
Fill in the blank(s) with correct word
head-tail radio galaxies
Physics & Space Science
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What would happen if a small piece (say the size of a paper clip) of neutron star material struck Earth?
What will be an ideal response?
Physics & Space Science
If one uses the classical expression for kinetic energy (1/2 m v2 ) for a particle traveling at half the speed of light, the result will be deficient by how many percent?
A) 13% B) 7% C) 1% D) 24% E) 27%
Physics & Space Science
The path difference between two waves is 5 m. If the wavelength of the waves emitted by the two sources is 4 m, what is the phase difference (in degrees)?
a. 90 b. 400 c. 1.57 d. 7.85 e. 15
Physics & Space Science
T = 400 K?
A. Lead B. Iron C. Both should be about the same.
Physics & Space Science