How much work was required to stretch the spring

Reference no: EM13666061

A spring is 17.0 cm long when it is lying on a table. One end is then attached to a hook and the other end is pulled with a force that increases to 25.0 N, causing the spring to stretch to a length of 19.2 cm.

a) How long will the spring be if the 25.0 N force is replaced by a 50.0 N force?

b) How much work was required to stretch the spring from 17.0 cm to 19.2 cm?

Reference no: EM13666061

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