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PHY 201
Your 'question form' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.
** Question Form_labelMessages **
PHY 201 Set 1 #7
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My question is about PHY 201 Set 1 Problem Number 7. When answering An object moves 5.41 meters. What is its average velocity if the motion requires 35.99273 seconds?, my work was 5.41 meters/35.99273 seconds. The solution that was given to me clearly stated that my work was correct, but the answer i got was 0.150308 meters/sec. The answer they gave me was 6.653 meters/sec.
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I do not understand this because my work is correct and goes along with the solution work but the answers still do not match up. I do not believe that the answer in the solution is correct because it doesn't make sense. IF the object was indeed moving 6.653m/sec then in just one second it was passed the distance of 5.41 meters (which was supposed to take course over 35.99273 sec).
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Question: An object moves 5.41 meters. What is its average velocity if the motion requires 35.99273 seconds?
Solution: 5.41 meters in 35.99273 seconds is 5.41/ 35.99273 meters in 1 second.
The answer is therefore ( 5.41 meters) / ( 35.99273 seconds) = 6.653 meters per second.
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The numbers in the Introductory Problem Sets are randomly generated, and sometimes this causes errors in the calculations done by the computer.
In this case it appears that the program might have divided in the wrong order.
The sequence of operations in the problem sets is correct throughout, as far as I know, but there are a few places where the numbers aren't right.
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