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A group of students designed an experiment with a thread and a rubber stopper. The steps of the experiment are listed below. Tie a rubber stopper to one end of a 20 cm long thread. Hold the other end of the thread and whirl it in a circle five times. Allow the thread to wind up on the finger. Observe that the rubber stopper moves faster as it comes nearer to the finger. The experiment most likely demonstrates Kepler's first law of planetary motion Kepler's second law of planetary motion Newton's second law of motion Newton's third law of motion

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@e.cociuba @GOODMAN can you help?

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Other answers:

Well lets start by defining each Law. Define them all and we will compare which law represents the experiment.
The path of the planets about the sun is elliptical in shape, with the center of the sun being located at one focus. (The Law of Ellipses) An imaginary line drawn from the center of the sun to the center of the planet will sweep out equal areas in equal intervals of time. (The Law of Equal Areas) The ratio of the squares of the periods of any two planets is equal to the ratio of the cubes of their average distances from the sun. (The Law of Harmonies)
Kepler's first law says that each planet's orbit is an ellipse with the sun at one of its foci. This doesn't have anything to do with the rubber stopper winding around your finger, so eliminate it.
Yeah I did
Ok so we have one eliminated. What else do you think needs to be eliminated? Look at your definitions of each law.
I am not sure thats why I am asking for help
@chmvijay I need your help buddy
dozzzz anyone have an answer :(((
We are not here to provide you with an answer. We are here to direct you towards the answer while learning the material along with the process.
okay I am sorry then. Can someone HElp me?
Well we have one choice eliminated and that's A. What other choices do you think should also be eliminated? Give me an idea.
i think but not sure :) Newton's second law of motion
Thanks @chmvijay :):)!!
and thank you @e.cociuba for your help as well!
Didn't do much, but no problem :)

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