*** A car can barely make a 50

timer Asked: Nov 8th, 2015

Question description

*** A car can barely make a 50m unbanked curve when the coefficient of static friction between the tires and the road is 0.8. What is the speed of the car going around the turn?***I know the answer is 20m/s (all the answers are given on the page) but I have no idea how to begin. I know that  centripetal acceleration =  v^2/r but all thats given is r. And the friction which seems unrelated ?? So yeah. Any help is appreciated.

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