What factor does the springs potential energy increase

Reference no: EM13538409

(a) If the stretch of a spring is doubled, the force it exerts is also doubled. By what factor does the spring’s potential energy increase? Support your answer.
(b) Two bullets are fired at the same time with the same kinetic energy. If one bullet has twice the mass of the other, which bullet has the greater speed and by what factor? Which can do the most work? Explain your answers.

Reference no: EM13538409

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