PHY 121
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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?
110g * 30cm/s= 3300g cm/s
It will keep going in a circle
answer/question/discussion: ->->->->->->->->->->->-> :
• What is the magnitude and direction of the centripetal force required to keep it moving around this circle?
3300g cm/s / 20cm=165g cm/s
answer/question/discussion: ->->->->->->->->->->->-> :
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10 min
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&#Please compare your solutions with the expanded discussion at the link
Solution
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