1.

A mass of 2 kg oscillates on a spring with constant 50 N/m. By what factor does the frequency of oscillation decrease when a damping force with cosntant b=12 is introduced?

Answer»

SOLUTION :`W=SQRT(50/2)=5r//s`
`w=sqrt(w^(2)-(b/(2m))^(2))=sqrt(5^(2)-3^(2))=4`
fr REDUCES by 1r/s or 20%


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