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Phy 241
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: ->->->->->->->->->->->-> :
a=v^2/r=900cm^2/s^2 / 20cm = 45cm/s^2
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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: ->->->->->->->->->->->-> :
F=ma=110g*45cm/s^2=4950dynes
This force would be in the direction of motion and would look like a tangent line to the position of the object on the circle at any given instant.
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about 5 minutes
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&#Your work looks very good. Let me know if you have any questions. &#