At a waterpark, sleds with riders are sent along a slippery, horizontalsurface by the release of a large compressed spring. The spring,with force constant k = 40.0 N/cm and negligible mass, rests on thefrictionless horizontal surface. One end is in contact with a stationarywall. A sled and rider with total mass 70.0 kg are pushed against theother end, compressing the spring 0.375 m. The sled is then releasedwith zero initial velocity. What is the sled’s speed when the spring(a) returns to its uncompressed length and (b) is still compressed 0.200 m?
At a waterpark, sleds with riders are sent along a slippery, horizontalsurface by the release of a large compressed spring. The spring,with force constant k = 40.0 N/cm and negligible mass, rests on thefrictionless horizontal surface. One end is in contact with a stationarywall. A sled and rider with total mass 70.0 kg are pushed against theother end, compressing the spring 0.375 m. The sled is then releasedwith zero initial velocity. What is the sled’s speed when the spring(a) returns to its uncompressed length and (b) is still compressed 0.200 m?
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At a waterpark, sleds with riders are sent along a slippery, horizontal
surface by the release of a large compressed spring. The spring,
with force constant k = 40.0 N/cm and negligible mass, rests on the
frictionless horizontal surface. One end is in contact with a stationary
wall. A sled and rider with total mass 70.0 kg are pushed against the
other end, compressing the spring 0.375 m. The sled is then released
with zero initial velocity. What is the sled’s speed when the spring
(a) returns to its uncompressed length and (b) is still compressed 0.200 m?
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