(a) The driver of a car slams on the brakes when he sees a tree blocking...
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(a) The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration of -5.40 m/s² for 4.10 s, making straight skid marks 62,1 m long, all the way to the tree. with what speed (in m/s) does the car then strike the tree? m/s (b) What If? If the car has the same initial velocity, and if the driver sams on the brakes at the same distance from the tree, then what would the acceleration need to be (in m²) so that the car narrowly avoids a collision? m/s² Need Help? Ro PHALE (a) The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration of -5.40 m/s² for 4.10 s, making straight skid marks 62,1 m long, all the way to the tree. with what speed (in m/s) does the car then strike the tree? m/s (b) What If? If the car has the same initial velocity, and if the driver sams on the brakes at the same distance from the tree, then what would the acceleration need to be (in m²) so that the car narrowly avoids a collision? m/s² Need Help? Ro PHALE
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a We can use the kinematic equation v u 2as where v final velocity what were trying to find u initia... View the full answer
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