Multiple-ConceptExample 7 and ConceptSimulation 5.2 review the concepts that pla

Question

Multiple-ConceptExample 7 and ConceptSimulation 5.2 review the concepts that play a role in thisproblem. Car A uses tires for which the coefficient of staticfriction is 0.272 on a particular unbanked curve. The maximum speedat which the car can negotiate this curve is 21.0 m/s. Car B usestires for which the coefficient of static friction is 0.759 on thesame curve. The cars of the same weight. What is the maximum speedat which car B can negotiate the curve?

Explanation / Answer

Car A uses tires for which the coefficient of static friction is0.272 on a particular unbanked curve. The maximum speed at whichthe car can negotiate this curve is 21.0 m/s. Car B uses tires forwhich the coefficient of static friction is 0.759 on the samecurve. The cars of the same weight. What is the maximum speed atwhich car B can negotiate the curve? for car A mv*v/r=mg v=rg=> 21=0.272*r*9.8 solving radius of the un banked curve=165.44m for car B=v=0.759*165.44*9.8=35.07m/sec

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