physics

A spring scale hung from the ceiling stretches by 6.1 cm when a 2.0 kg mass is hung from it. The 2.0 kg mass is removed and replaced with a 2.5 kg mass.
Part A
What is the stretch of the spring?

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  1. F = k x

    k = 2 g/6.1 cm

    2.5g = (2g/6.1cm) x

    x = 6.1 (2.5/2) cm

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