La energía al llegar al peso de un cuerpo de masa m que se suelta desde el reposo desde una altura h, es k0 si se deja caer desde el reposo un cuerpo de masa m/4 desde una altura h/2 la energía cinética al llegar al suelo es

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600