Phy 231
Your 'cq_1_21.1' 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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ball is tossed vertically upward and caught at the position from which it was released.
Ignoring air resistance will the ball at the instant it reaches its original position be traveling faster, slower, or at the same speed as it was when released?
answer/question/discussion: It will be traveling at the same speed, but in the opposite direction, which means it would have a velocity opposite of that as it went up.
What, if anything, is different in your answer if air resistance is present? Give your best explanation.
answer/question/discussion: Air resistance would affect the velocity as it went up by slowing it down, and it would also affect the velocity as it fell; therefore, the magnitude of velocity would change in each direction, but the values would still be equal and opposite only of lesser value.
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5 minutes
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Air resistance does negative work in both directions.
&#At least part of your solution does not agree with the solution and comments given at the link below. You should view the solution at that link and self-critique as indicated there.
Solution
This link also expands on these topics and alerts you to many of the common errors made by students in the first part of this course. &#