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The scale of a spring balance reading from 0 to 235 \rm{N} has a length of 15.0 \rm{cm}. A fish hanging from the bottom of the spring oscillates...
The scale of a spring balance reading from 0 to 235 rm{N} has a length of 15.0 rm{cm}. A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.70 rm{Hz}. What is the mass of fish? in Kg.