Match the answers with questions. - period of a mass-spring system - period of a simple pendulum A. 2 straight pi square root of straight k over straight m end root B. fraction numerator 1 over denominator 2 straight pi end fraction square root of k over m end root C. 2 straight pi square root of straight L over straight g end root D. fraction numerator 1 over denominator 2 straight pi end fraction square root of g over L end root E. 2 straight pi square root of straight m over straight k end root F. 2 straight pi square root of straight g over straight L end root