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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Angular speed, acceleration and displacement
Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.
Angular Position
Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.
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