darlenezamora55 darlenezamora55 01-10-2020 Physics contestada A model airplane with mass 1.3 kg hangs from a rubber band with spring constant 20 N/m. How much is the rubber band stretched when the model hangs motionless? O A. 0.082 m B. 0.64 m O C. 0.78 m O D. 0.23