Pressure OF The pressure exerted by a phonograph needle on a record is surprisingly large. If the equivalent of 1.50 gi supported by a needle, the tid of which is a circle 0.170 mm in radus, what pressure is everted on the record in

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Pressure OF The pressure
exerted by a phonograph
needle on a record is
surprisingly large. If the
equivalent of 1.50 g is
supported by a needle, the
tid of which is a circle 0.170
mm in radus, what pressure
is everted on the record in
Transcribed Image Text:Pressure OF The pressure exerted by a phonograph needle on a record is surprisingly large. If the equivalent of 1.50 g is supported by a needle, the tid of which is a circle 0.170 mm in radus, what pressure is everted on the record in
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