•An object from which light cannot escape is called a
•
•(a) a black hole
•(b) a neutron star
•(c) a white dwarf
•(d) a type I supernova
a
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When 1.0-µC point charge is 15 m from a second point charge, the force each one experiences a force of 1.0 µN. What is the magnitude of the second charge? (k = 1/4??0 = 9.0 × 109 N ? m2/C2 )
A) 25 C B) 25 nC C) 0.025 C D) 1.0 C E) 10 nC
After our Sun dies, will it ever undergo a nova explosion? Why or why not?
A) no, because it does not have a close binary companion B) no, because our Sun will become a neutron star, not a white dwarf C) yes, because our Sun will become a white dwarf D) yes, because all stars undergo novae explosions after they die
When you document the time and place of a meteorite as it streams through the atmosphere, it is considered a(n) ____
a. fall b. find c. meteoroid d. chondrite e. impactor
By substituting for Eb? (T) performing the integration over the entire spectrum, derive a relationship between ? and the constants C1 and C2
GIVEN
where
FIND
• A relationship between ? and C1 and C2