cailynmayr6191 cailynmayr6191

10-12-2022
Physics

contestada

A brick with a particular mass sits stationary on a frictionless surface and is attached to a particular unstretched horizontal spring (the other end of the spring is fixed to a wall). It turns out that it takes the same amount of energy to lift the block by
10 cm
as it does to stretch the spring by that same
10 cm
. If we again start with the block at rest and with the spring unstretched, which of the following two actions will require more energy? (Choose the best answer.) (i) raising the block by
20 cm
(ii) stretching the spring by
20 cm

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