________ form when galaxies collide and ________.
A. Quasars; emit large amounts of heat and radio waves
B. Starburst galaxies; star formation is triggered, making them very bright
C. S0 galaxies; all their stars are destroyed
D. Starburst galaxies; all their stars are destroyed
Answer: B
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Indicate whether the statement is true or false
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Fill in the blank(s) with the appropriate word(s).
A 65-g handball is dropped to the floor from a height of 1 m, and bounces to a height of 0.80 m. What is the magnitude of the impulse received by the ball from the floor?
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