Homework Help: physics

Posted by manny on Sunday, September 27, 2009 at 2:15pm.

For some reason i cant get this question. If someone can help that would be great. Thanks.

In a pickup game of dorm shuffleboard, students crazed by final exams use a broom to propel a calculus book along the dorm hallway. If the 3.5 kg book is pushed from rest through a distance of 0.90 m by the horizontal 25 N force from the broom and then has a speed of 1.60 m/s, what is the coefficient of kinetic friction between the book and floor?

physics - Chidera, Sunday, September 27, 2009 at 3:03pm
well coeficcent are the numbers with variables close to it.kinetic friction is the moving of the object.so how many kg are in 25 newtons.so what is the 0.90 m to the 1.60 m. so with that wha do you think the answer is?

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