tem 8 What is the sled's speed when the spring returns to its uncompressed length? At a waterpark, sleds with riders are sent along a slippery, Express your answer in meters per second. horizontal surface by the release of a large, compressed spring. The spring with a force constant 39.0 N/ cm and negligible mass rests on the frictionless horizontal surface. One end is in contact IVO AEQ with a stationary wall. A sled and rider with total mass 74.0 kg are pushed against the other end, compressing the spring 0.360 m. The sled is then released with zero initial velocity. U= m/s For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Motion with a varying force. Submit Previous Answers Request Answer * Incorrect; Try Again; 9 attempts remaining Part B What is the sled's speed when the spring is still compressed 0.215 m? Express your answer in meters per second. IVO AEQ m/s Submit Request