WEBVTT
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so the formal off center ofthe masses three dimension to
2
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damage is very similar We first have to compute the
3
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mass Ah which will be this? And the center
4
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ofthe mass? We'Ll just be one over him times
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What? Check through the s Why road? Yes
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zero t d s And here we can compute We're
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given this information We have computer tedious Off his squared
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of the ecstasy He square prostitute Why did he square
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past easy Did he square So square Rudo four plus
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nine square Rudo thirteen Oh sorry, I forgot Did
11
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he hear? So everything should be with the TT
12
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So has computed on the row is constant k so
13
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mass should be integral Tea for one zero to two
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Pi constant k He s his square of certainty So
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it should be two squared off thirteen Pi k Then
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we just have to integrate other stuff. Ah,
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ex road. Yes, Uh tea from zero to
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two Pi access to scientific e We're always kay the
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system squirrel thirteen Petey So this one got two squared
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of thirteen pi k No, no, no to
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square those thirteen k into her from zero to two
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Pi Sai Inti Petey However, we know this is
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zero. He was the entire derivative. Ah,
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negative. Cosa has the same value as your two
25
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pi. So this is zero by the similar argument
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Ah, this one We'LL get a similar thing with
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science course I'm being swamped. So this is also
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zero z times. Rozi is treaty so three thirteen
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time's thiss which should be Siri Square, the thirteen
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k integral from zero to two Pi ti ti We're
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t square over to prowl into pies off four pi
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square over too. So this should be to Pi
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square. So yes, we get sarees Anyway,
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we just keep it like this because we have to
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divide it by m l z. And so the
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moment Sinema was Ah So the centre ofthe mass should
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be zero zero and ah for Z should be thiss
38
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divided by two square root of three pie stew score
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of thirteen bike to score the thirteen k and the
40
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pie cake and so so were left with three pie
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. No