Physics

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you are riding your bike on a path. you see a fallen tree blocking your way 42 meters ahead. if the coeffiient of friction between your bikes tires ad the ground is .36 and you are traveling at 50km/hr how much stopping distance is required? the total mass of you and the bike is 95kg


im pretty sure the 42 meters is unneeded?

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    i saw somewhere that the answer is 27.3m but im not sure how to do it

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