Consider a situation where a constant force of 25N acts on an object having a mass of 2 kg for 3 seconds. What is the impulse provided by the force?
a. 150 Ns
b. 50 Ns
c. 75 Ns
d. undetermined—not enough information given
e. none of the above
C
Physics & Space Science
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________ dwarfs are M dwarfs on the main sequence whereas _________ dwarfs are hot, dim, and not on the main sequence
Fill in the blank(s) with correct word
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A hot, molten body of different materials will become ________
Fill in the blank(s) with correct word
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Find the equation 
that fits the following data.
A. 
B. 
C. 
D. 
Physics & Space Science
A white dwarf is composed of
a. hydrogen nuclei and degenerate electrons. b. helium nuclei and normal electrons. c. carbon and oxygen nuclei and degenerate electrons. d. degenerate iron nuclei. e. a helium burning core and a hydrogen burning shell.
Physics & Space Science