A39.5 kg child stands at the center of a 125 kg playground merry-go-round which rotates at 3.10 rad/s. if the child moves to the edge of the merry-go-round, what is the new angular velocity of the system? model the merry-go-round as a solid disk
Solved
Show answers
More tips
- H Health and Medicine What makes Graves’ disease dangerous?...
- W Work and Career 10 Best Ways To Find A Job: Tips To Land Your Dream Job...
- L Leisure and Entertainment How to Choose a Program for Cutting Music?...
- A Auto and Moto How to choose the right drive for your BMW...
- L Leisure and Entertainment How to Choose the Perfect Gift for Men on February 23rd?...
- H Health and Medicine How to Treat Whooping Cough in Children?...
- H Health and Medicine Simple Ways to Lower Cholesterol in the Blood: Tips and Tricks...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
Answers on questions: Physics
- P Physics Aloaded ore car has a mass of 985 kg and rolls on rails with negligible friction. it starts from rest and is pulled up a mine shaft by a cable connected to a winch....
- H History How did the british come to occupy egypt.? a). the ottoman sultan gave egypt to the british as a gift to the british royal family. b). the british moved through egypt...
- E English What s the correct capitalization for this sentence yellowstone national park, the west s oldest national park, is the site of old faithful...
- E English What happened in scene 4.1 in Macbeth...
- G Geography Match the following with the given options. 1. weathered rock, bone fragments, soil, and other particles carried by wind, water, and ice 2. breaking-down process that...
- M Mathematics Co The graph of y = cos x° for -180 x 180 is shown.The graph (G) resulting from a transformation of y = cos xº is also shown.Find an equation for G....
Ответ:
I1 w1 = I2 w2
ie., m1r^2/2 x w1 = ( m1r^2/2 + m2r^2 ) w2
ie., new angular velocity w2 = m1 w1 / ( m1+ 2m2) = 125 x 3.1 / ( 125 + 2 x39.5 )
= 1.8995 = 1.9 rad /sec ( nearly )
Ответ:
I'm the youngest rapper in brooklyn, yeah yeah