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OpenStudy (anonymous):
EJ is taking his little sister, Ebony, on her first carousel ride. His mass is 75.0 kg and her mass is 10.0 kg. They ride the same horse and it is 11.0 meters from the center of the carousel. If their angular momentum is 14020 kg m2/s, what is their speed?
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OpenStudy (perl):
There are a few equations that may help you. angular momentum=interia*angular speed Inertia = mr^2
OpenStudy (anonymous):
ok thank you(: just making sure... my equation would be 14020=(75+10)*11^2?
OpenStudy (anonymous):
@perl
OpenStudy (perl):
correct
OpenStudy (anonymous):
thanks!!
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