A pet mouse sleeps near the eastern edge of a stationary,horizontal turntable that is

Chapter 11, Problem 2

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A pet mouse sleeps near the eastern edge of a stationary,horizontal turntable that is supported by a frictionless,vertical axle through its center. The mouse wakesup and starts to walk north on the turntable. (i) As ittakes its first steps, what is the direction of the mousesdisplacement relative to the stationary ground below?(a) north (b) south (c) no displacement. (ii) In thisprocess, the spot on the turntable where the mousehad been snoozing undergoes a displacement in whatdirection relative to the ground below? (a) north(b) south (c) no displacement. Answer yes or no for the following questions. (iii) In this process, is the mechanicalenergy of the mouseturntable system constant?(iv) Is the momentum of the system constant? (v) Is theangular momentum of the system constant?

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