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1.) A wave has a
speed of
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7.5m/s and a
period of 0.5s.
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What is the
wavelength of the
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wave?
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2.) If the
period of a wave is
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doubled, what
happens to its
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frequency?
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3.) Points on a
wave are 0.5λ
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apart, 7200
apart, 4λ apart.
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Which points are
in phase?
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