Question: A sled accelerates down a hill and then slows down after it reaches a flat portion of ground. The speed of the sled s(t) (in

A sled accelerates down a hill and then slows down after

A sled accelerates down a hill and then slows down after it reaches a flat portion of ground. The speed of the sled s(t) (in ft/sec ) at a time t (in sec) after movement begins can be approximated by: s(t)={0.5tt4960for0t50for50

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