Answer to Question #121380 in Classical Mechanics for john

Question #121380

If a 12 kg ball is rolled across the floor. It rolls for 5 meters before it reaches a stop. The ball feels a force of 15 N, what is the coefficient of friction on the floor? (Use g = 10m/s/s for this problem)

Expert's answer

"F_f=\\mu mg"

"15=(12)(10)\\mu"

"\\mu=0.125"

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