B 1. An ideal spring with a spring constant 20.0 N/m is connected to a 0.500...

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B 1. An ideal spring with a spring constant 20.0 N/m is connected to a 0.500 kg block in the arrangement shown to the right. The (*) represents the position of the center of the block when the spring is unstretched. (Positions are not to scale.) From this position the experimenter slowly lowers the block from (*) until it reaches point B where the system is at rest. For this problem use position B as your zero height for the measurement of gravitational energy. Assume there is no friction. e) What change could you make that would eliminate this negative portion? What does this indicate about the nature of gravitational energy? f) Determine the period of oscillation for the mass/spring system. 10.0 cm 10.0 cm B 1. An ideal spring with a spring constant 20.0 N/m is connected to a 0.500 kg block in the arrangement shown to the right. The (*) represents the position of the center of the block when the spring is unstretched. (Positions are not to scale.) From this position the experimenter slowly lowers the block from (*) until it reaches point B where the system is at rest. For this problem use position B as your zero height for the measurement of gravitational energy. Assume there is no friction. e) What change could you make that would eliminate this negative portion? What does this indicate about the nature of gravitational energy? f) Determine the period of oscillation for the mass/spring system. 10.0 cm 10.0 cm