# solution

NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Siouxpernova is a member of the Reservoir Dolls, a roller derby team in Madison, Wisconsin. When on her skates, she has a mass of 63 kg. Stopping quickly is very important in roller derby. It’s necessary to avoid going out of bounds, to quickly turn and pursue members of the opposing team, and many other situations. Nova, who studies physics, knows that the coefficient of friction of her toe stops will have an important effect on how quickly she can stop. During a practice, she finds that, if she Is skating forward at a speed of 5 m/s, she can turn around and use her skates’ toe stops to come to a complete stop in a distance of 2 m. Using this data, Nova wants to determine the coefficient of friction of her toe stops. Skater is moving right Skater turns foot 180Â° Skater turns other foot (now skating backwards) Slatera Un toe stone When Nova slows to a stop, determine the amount of work done on Nova due to friction in Joules. (Please provide an answer before moving to the next part.) The amount of work on Nova is cu What is the coefficient of friction between Nova’s toe stops and the floor? The coefficient of friction between Nova’s toe stops and the floor is

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