Explanation:
The tangential speed of Andrea is given by :

Where
r is radius of the circular path
ω is angular speed
The merry-go-round is rotating at a constant angular speed. Let the new distance from the center of the circular platform is r'
r' = 2r
New angular speed,

New angular speed is twice that of the Chuck's speed.
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As light travels through a medium, it moves in a straight line path,but when light passes from one medium into another medium, the light path bends,Refraction takes place.
Yes because if not people wouldn't understand how did you calculate electric field strength.
The Three fission reactions will produce nine neutrons
<h3>Meaning of Fission</h3>
Fission can be defined as a nuclear process that involves the breaking of a whole nuclear matter into smaller bits.
In a fission reaction, the matter is broken down into simpler bits.
In conclusion, The Three fission reactions will produce nine neutrons
Learn more about fission:brainly.com/question/3992688
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