A sled is pulled along a rough snow and released. It slides for 12.0 s before coming to rest and travels a distance of 0.40m. Assuming uniform acceleration:
(a) How fast was the sled travelling before it was released?
(b) How fast was the sled travelling at the halfway position in its slide?
(a) How fast was the sled travelling before it was released?
(b) How fast was the sled travelling at the halfway position in its slide?