A coin rests on a record $0\mathrm{.}1$You are on an airplane that is landing. The plane in front of your plane blows a tire. The pilot of your plane is advised to abort the landing, so he pulls up$,$ moving in a semicircular upward$-$bending path. The path has a radius of $520$ mm with a radial acceleration of $15$ m$/$s$2$m$/$s$2.$

Part A

What is the plane's speed?

Express your answer with the appropriate units.

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nothingnothing$3$ mm from its center. The record turns on a turntable that rotates at variable speed. The coefficient of static friction between the coin and the record is $0\mathrm{.}24.$

Part A

What is the maximum coin speed at which it does not slip?

Express your answer with the appropriate units.

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vv $=$

nothingnothing