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A vertical scale on a spring balance reads from 0 to 245 N . The scale...

A vertical scale on a spring balance reads from 0 to 245 N . The scale has a length of 14.5 cm from the 0 to 245 N reading. A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.35 Hz.

Ignoring the mass of the spring, what is the mass m of the fish?

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