Question 13 A SIllall UutlUH Blaced on a horizontal, rotating platform with diameter 0.320 m will revolve with theplatform when it is brought up to a rotational speed of 37.0 rev/min, provided the button is no more than0.140 m from the axis.bga riw olonio InfenenWhat is the coefficient of static friction between the button and the platform?How far from the axis can the button be placed, without slipping, if the platform rotates at 60.0 rev/min?13. A 5.0-m-diameter merry-go-round is turning with a 4.2 s period. What is the speed of a child on the rim?14. The blade on a table saw spins at 3800 rpm . Its diameter is 25.0 cm.What is the speed of a tooth on the edge of the blade in m/s?What is the speed of a tooth on the edge of the blade in mph?TA15. An old-fashioned LP record rotates at 33½ rpm.What is its frequency in rev/s?What is its period, in seconds?diy oloso Imnosnod e ni 2oog 2 e od A16. A typical hard disk in a computer spins at 10000What is the frequency, in rev/s?What is the period, in seconds?rpm.ad bluow17. A CD-ROM drive in a computer spins the 12-cm-diameter disks at 7300 rpm.What is a disk's period in s?What is a disk's frequency in rev/s?18. The horse on a carousel is 4.1 m from the central axis. If the carousel rotates at 0.14 rev/s, how long doesit take the horse to go around twice?How fast is a child on the horse going (in m/s)?19. The radius of the earth's very nearly circular orbit around the sun is 1.50×10m.Find the magnitude of the earth's velocity as it travels around the sun. Assume a year of 365 days.Find theof the earth's centripetal acceleration as it travels around the sun. Assume a year of

Given data: Diameter (d) = 5.0 m Period (T) = 4.2 s Required: Linear speed of a child on the rim

Answered: A 5.0-m-diameter merry-go-round is…

Science

Physics

A 5.0-m-diameter merry-go-round is turning with a 4.2 s period. What is the speed of a child on the rim?

University Physics Volume 1

18th Edition

ISBN:9781938168277

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

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

Chapter10: Fixed-axis Rotation

Section: Chapter Questions

Problem 10.2CYU: Check Your Understanding A centrifuge used in DNA extraction spins at a maximum rate of 7000 rpm,...

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