cq_1_251

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Phy 121

Your 'cq_1_25.1' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.

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A steel ball of mass 110 grams moves with a speed of 30 cm / second around a circle of radius 20 cm.

• What are the magnitude and direction of the centripetal acceleration of the ball?

answer/question/discussion: ->->->->->->->->->->->-> :

0.045 is the centripetal acceleration and the direction would be towards the center of the circle.

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• What is the magnitude and direction of the centripetal force required to keep it moving around this circle?

answer/question/discussion: ->->->->->->->->->->->-> :

.00495 is the centripetal force and it moves towards the center of the circle.

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20 min

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&#See any notes I might have inserted into your document, and before looking at the link below see if you can modify your solutions. If there are no notes, this does not mean that your solution is completely correct.

Then please compare your old and new solutions with the expanded discussion at the link

Solution

Self-critique your solutions, if this is necessary, according to the usual criteria. Insert any revisions, questions, etc. into a copy of this posted document. Mark any insertions with &&&& so they can be easily identified.

If your solution is completely consistent with the given solution, you need do nothing further with this problem. &#

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