A fishermans scale stretches 42 cm when a 26 kg fish hangs, Ask an Expert

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A fisherman's scale stretches 4.2 cm when a 2.6 kg fish hangs from it.

(a) What is the spring stiffness constant?

N/m

(b) What will be the amplitude and frequency of vibration if the fish is pulled down 3.0 cm more and released so that it vibrates up and down?

amplitude cm

frequency Hz

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