The period of oscillation for a signal having a frequency of 60 Hz is 60 seconds.
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Q11: Motion in a circle at constant speed
Q12: The proper abbreviation for 'seconds' is 'sec.'
Q13: If an object's speed is constant,its velocity
Q14: If an object's velocity is constant,its speed
Q16: The second is a metric unit of
Q17: The maximum possible speed in nature is
Q18: There are one thousand megabytes in a
Q19: Twenty milliseconds is 0.020 s.
Q20: Experimenting is part of the scientific method.
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