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Mathematics 7 Online
OpenStudy (anonymous):

Urgent plz help A 38-kilogram child roller skates on a circular track with a radius of 24 m. Her velocity is 6.0 m/s. What centripetal force does she experience? 0.16 N 0.38 N 57 N 580 N

OpenStudy (anonymous):

@DanJS

OpenStudy (anonymous):

@bibby

OpenStudy (anonymous):

@ganeshie8

OpenStudy (danjs):

mv^2 / r

OpenStudy (danjs):

F=mass*acceleration = mass times v^2 / r

OpenStudy (anonymous):

so its 57 N?

OpenStudy (danjs):

is that what it comes to.

Miracrown (miracrown):

Yes

OpenStudy (danjs):

yeah looks right

OpenStudy (anonymous):

thnx:))

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