An object of mass m swings in a horizontal circle on a string of length L that tilts downward at angle 0. Part A Find an expression for the angular velocity w in terms of g, L and angle 8. Express your answer in terms of the variables L, 0 and appropriate constants. VO ΑΣΦ W= Submit Part B W= Request Answer Submit A student ties a 900 g rock to a 1.8-m-long string and swings it around her head in a horizontal circle. At what angular speed, in rpm, does the string tilt down at a 10° angle? Express your answer to two significant figures and include the appropriate units. μA Value Request Answer → → Units ? ?

An object of mass m swings in a horizontal circle on a string of length L that tilts downward at angle 0. Part A Find an expression for the angular velocity w in terms of g, L and angle 8. Express your answer in terms of the variables L, 0 and appropriate constants. VO ΑΣΦ W= Submit Part B W= Request Answer Submit A student ties a 900 g rock to a 1.8-m-long string and swings it around her head in a horizontal circle. At what angular speed, in rpm, does the string tilt down at a 10° angle? Express your answer to two significant figures and include the appropriate units. μA Value Request Answer → → Units ? ?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter6: Uniform Circular Motion And Gravitation

Section: Chapter Questions

Problem 16PE: Olympic ice skaters are able to spin at about 5 rev/s. (a) What is their angular velocity in radians...

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