Circular Motion (1 Viewer)

byakuya kuchiki

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thank you so much. XD
but i got a weird question here.
it says convert 20 rpm to radians per second, and the answer says 2pi/3.
i dunno, am i missing something here? >.<
 

cutemouse

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thank you so much. XD
but i got a weird question here.
it says convert 20 rpm to radians per second, and the answer says 2pi/3.
i dunno, am i missing something here? >.<
20 rev/min = 20/60 rev/sec = 1/3

Now 1 rev = 2pi

So 20 rev/min = 1/3 * 2pi = (2pi)/3 rad/s
 

Oscar Croshaw

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wow. i didn't understand a word of that... i'm going into three unit math this year, hoping it goes well. i do like this stuff though...
 

mitchy_boy

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wow. i didn't understand a word of that... i'm going into three unit math this year, hoping it goes well. i do like this stuff though...
Don't worry it only gets worse from here :]

But seriously I didn't understand a lot of this stuff, but once someone who knows what they're on about explains it too you you'll be fine.
 

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