A 23.0 kg child plays on a swing having support ropes that are 1.90 m long. A friend pulls her back until the ropes are 39.0 (degrees) from the vertical and releases her from rest.
V= ? J
part b: How fast will she be moving at the bottom of the swing?
partc: How much work does the tension in the ropes do as the child swings from the initial position to the bottom?
w= ? J
Step by step solution provided.