________ images of galactic clusters reveal large amounts of hot, intracluster gas
A) X-ray B) Ultraviolet C) Radio D) Infrared E) Gamma ray
A
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Consider a situation where a skater pulls her arms inward, causing her rotation rate to speed up.Kinetic energy __________ conserved
Fill in the blank(s) with correct word
Refrigerators have become much more efficient in the last decade
What will be an ideal response?
The wavelength of any particle with wave characteristics, such as electrons and neutrons, is given by the _________relationship that equates the wave and particle momentum.
Fill in the blank(s) with the appropriate word(s).
A 20-cm length of wire is held along an east-west direction and moved horizontally to the north with a speed of 3.0 m/s in a region where the magnetic field of the earth is 60 mT directed 30° below the horizontal. What is the magnitude of the potential difference between the ends of the wire?
a. 36 mV b. 18 mV c. 31 mV d. 24 mV e. 21 mV