Which of the following will cause the degeneracy pressure within an object to increase?
A) raising its temperature
B) lowering its temperature
C) compressing it to higher density
D) letting it expand to lower density
E) shining a light on it, which adds radiative energy
C
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The only two forces acting on a body have magnitudes of 20 N and 35 N and directions that differ by 80°. The resulting acceleration has a magnitude of 20 m/s2 . What is the mass of the body?
a. 2.4 kg b. 2.2 kg c. 2.7 kg d. 3.1 kg e. 1.5 kg
Nuclear Reactions: Determine the missing product X in the following nuclear reaction: O + neutron ? X + alpha particle
Fill in the blank(s) with the appropriate word(s).
A(n) _________ is a collection of 10^5 to 10^6 stars in a region 10 to 30 pc in diameter. The stars in the collection tend to be more than 10^9 years old and mostly yellow and red stars
a. Herbig-Haro object b. globular cluster c. open cluster d. giant cluster e. supernova
No matter where you live on Earth, except the poles, your meridian extends from due south on your horizon, through your zenith, to due north on your horizon
Indicate whether the statement is true or false