SOLUTION: songs are recorded on one side of records that rotate at a rate of 45 rpm, Through how many degrees does one of these records rotate in 20 seconds?

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Question 554854: songs are recorded on one side of records that rotate at a rate of 45 rpm, Through how many degrees does one of these records rotate in 20 seconds?
Found 2 solutions by Alan3354, josmiceli:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
songs are recorded on one side of records that rotate at a rate of 45 rpm, Through how many degrees does one of these records rotate in 20 seconds?
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20 secs = 1/3 minute
45 rev/min * (1/3) min = 15 revs
15*360 = 5400 degrees

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
In terms of units:
( degrees ) = ( revolutions / minute ) x ( minutes / second ) x ( seconds ) x ( degrees/revolution )
given:
degrees = +45%2A%28+1%2F60+%29%2A20%2A360+
+5400+ degrees