# Project #52467 - physics 2 questions!

#7 Matthew is running after a ball handler during a soccer game. He is running at a speed of

4.8 m/s and slides. The coefficient of kinetic friction between Matthew and the rubber turf is

0.55. If Matthew has a mass70kg, how far does he slide? (Hint: Find his kinetic frictional force,

then find the acceleration due friction and then use the kinematic equations).

#8 There is a tire on the road blocking cars from passing through. If the tire had a mass of

135kg and the coefficient of static friction between the road and the tire is 0.7, what is the

minimum amount of force to get it moving? If the same force continued, what is the acceleration

of the coefficient of kinetic friction is 0.4?#8 The AOL icon is pushing a computer

 Subject Mathematics Due By (Pacific Time) 12/18/2014 09:00 pm
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