if one pulley is 8… - QuestionCove

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Mathematics 10 Online

OpenStudy (anonymous):

if one pulley is 8 inches bigger in diameter than another and they are connected by a belt, how big are the pulleys if the smaller pulley turns at 120 rpm and the larger turns at 40rpm..? Someone plz help

15 years ago

OpenStudy (anonymous):

if theyre connected by a belt then r1ω1 = r2ω2 r2 = r1 + 8 120 x r1 = 40 x (r1+8)\ r1=4, r2=12

15 years ago

OpenStudy (anonymous):

thank you!

15 years ago

OpenStudy (anonymous):

no prob

15 years ago

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