A skateboarder is attempting to make a circular arc of radius r=15 m in a parking lot. The total mass of the skateboard and skateboarder is m= 99kg. The coefficient of static friction between the surface of the parking lot and the wheels of the skateboard is us=0.58. (A) what is the maximum speed, in meters per second, he can travel through the arc without slipping? (b) he speeds up very slightly and begins to slide. The coefficient of kinetic friction is I’m=0.18. What is the new magnitude of his radial acceleration in m/s^2?

A skateboarder is attempting to make a circular arc of radius r=15 m in a parking lot. The total mass of the skateboard and skateboarder is m= 99kg. The coefficient of static friction between the surface of the parking lot and the wheels of the skateboard is us=0.58. (A) what is the maximum speed, in meters per second, he can travel through the arc without slipping? (b) he speeds up very slightly and begins to slide. The coefficient of kinetic friction is I’m=0.18. What is the new magnitude of his radial acceleration in m/s^2?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter1: Units And Measurement

Section: Chapter Questions

Problem 62P: (a) Estimate the density of the Moon. (b) Estimate the diameter of the Moon. (c) Given that the Moon...

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(a) Estimate the density of the Moon. (b) Estimate the diameter of the Moon. (c) Given that the Moon subtends at an angle of about half a degree in the sky, estimate its distance from Earth.
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