i have tried to figure out what formula to use on this and cant seem to get it plz help(adsbygoogle = window.adsbygoogle || []).push({});

A spring having elastic constant 22.8 N/m is stretched to a length 15.1 cm. Suppose an object of mass 130 g is attached to the end of the spring. (a) How much kinetic energy will the system have after the spring is released and moves through its equilibrium position? (b) What will the velocity of the object be at this position?

thanks ron

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