Which statement best describes the superposition principle?
a.
if two in-phase waves a...
Which statement best describes the superposition principle?
a.
if two in-phase waves arrive simultaneously at a point, their amplitudes add up.
b.
if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up.
c.
if two in-phase waves arrive at a point one after another, their amplitudes add up.
d.
if two out-of-phase waves arrive at a point one after the other, their amplitudes adds up.
Answers: 2
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Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.
Answers: 2
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Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?
Answers: 1
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