A Type Ia supernova is believed to occur when

a. the core of a massive star collapses.
b. hydrogen detonation occurs.
c. a white dwarf exceeds the Chandrasekhar limit.
d. the cores of massive stars collapse.
e. neutrinos in a massive star become degenerate and form a shock wave that explodes the star.


c

Physics & Space Science

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A 3.000 kg ball is pitched with a kinetic energy of 20.00 Joules. Then the momentum of the ball is

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A water-filled paper cup held in a flame will not catch fire. This is because

A) the inside of the paper is wet. B) water is an excellent conductor of heat. C) paper is a poor conductor of heat. D) the paper cup cannot become appreciably hotter than the water it contains.

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Indicate whether the statement is true or false

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