Car slams on the brakes when he sees tree blocking the road

Reference no: EM13540344

The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with an acceleration of -5.60 m/s^2 for 4.20s, making straight skid marks 62.4m long ending at the tree. At what speed does it hit the tree?

Reference no: EM13540344

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