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Category > Statistics Posted 02 Aug 2017 My Price 5.00

An unknown mass of m kg

An unknown mass of m kg attached to the end of an unknown spring k has a natural frequency of 94 cpm. When a 0.453-kg mass is added to m, the natural frequency is lowered to 76.7 cpm. Determine the unknown mass m and the spring constant k N/m.

 

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Alpha Geek
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Status NEW Posted 02 Aug 2017 10:08 AM My Price 5.00

f =----------- 1/-----------(2*-----------pi)----------- * -----------sqr-----------t(k-----------/m)----------- f^-----------2 =-----------[ 1-----------/(4-----------*pi-----------^2)----------- ]*-----------(k/-----------m) -----------94^-----------2 =-----------[ 1-----------/(4-----------*pi-----------^2)----------- ]*-----------(k/-----------m) -----------...-----------...-----------...-----------(1)----------- On-----------ce -----------the----------- ma-----------ss -----------of -----------0.4-----------53 -----------kg -----------is -----------add-----------ed,----------- 76-----------.7^-----------2 =----------- [Â----------- 1/-----------(4*-----------pi^-----------2) -----------]*(-----------k/m-----------+0.-----------453-----------)

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