cq_1_171

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Phy 231

Your 'cq_1_17.1' 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 rolls down a ramp and collides with a marble, as in the video. The marble is slightly smaller and quite a bit less massive than the ball.

If they both experience forces of the same magnitude (in this case, equal and opposite forces), which will have an acceleration of the greater magnitude?

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

The smaller ball will have a greater acceleration, Since everything is equal and opposite, the smaller mass will compensate by having a higher velocity.

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If the forces were exerted during identical time intervals, which would have the greater change in speed?

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

The smaller ball will have a greater change in speed.

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I'm not sure to what video I was referring, but it's certainly not obvious. In any case it appears that you understand the situation.

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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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