Asked by sadf
If a CD spins at 75 revolutions per minute, hoe long, in seconds, does it take for the CD to rotate through an angle of 1125 ?
Answers
Answered by
Henry
75 rev/min.
V = (75 / 60) rev/s * 360 deg/rev = 450
deg/s.
t = 1125 deg / 450 deg/s = 2.5 Seconds.
V = (75 / 60) rev/s * 360 deg/rev = 450
deg/s.
t = 1125 deg / 450 deg/s = 2.5 Seconds.
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