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Critiques on Symmetry of Motio
Student 4 had a very thorough explanation and great data. I was very impressed that he/she actually took the time and explored almost every possible reason for variation in the two motions.
The situation was different for Student 2. The data here showed that the two motions were relatively symmetrical. This individual may have taken more precautions to ensure that the surface and ramp were both level. The data supports his/her claim that the two motions are symmetrical. Even though the explanation was brief, this individual presented an idea and supported it with data.
Excellent commentary. Thanks.
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Review
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Review of Uniformity of Angula
From the responses that were posted for the Uniformity of Angular Acceleration experiment, it seems that the students all agree that the velocity of the strap decreases with each resolution. The acceleration is uniformly decreasing. Students 1 and 2 presented information that showed that the velocity of the strap decreases at a fairly constant rate with each resolution.
Thanks for your contribution to the review process.
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Critiques on Uniformity of Ang
Student 2 presented data that supported the hypothesis that as the strap rotates, the velocity decreases at a constant rate. The explanation is brief but thorough.
Student 6 stated that his/her information did not support the hypothesis that the velocity decreases at a constant rate. However, there was no data presented to validate this claim. It is always a good idea to include any data or calculations that support your hypothesis.
Excellent comments.
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Review
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Review of Amplitude Dependence
For this discussion, students 3, 2 and 1 presented the most data. However, most of the students came to the same conclusion that with a constant length of the pendulum, the position and amplitude could also influence the frequency of the hits. With the bracket facing up an incline, the frequency was faster and with the bracket facing down an incline, the frequency was slower.
Good review. Thanks.
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Critiques on Amplitude Depende
Student 6 states that his/her information supports the hypothesis. However, there is no infomation presented in the response. It helps to see the information you are describing in order to fully understand your point of view and whether or not your data really does support the hypothesis. Overall, good explanation of your process, just include more raw data.
Student 7 also needs to include data to support your response. Also, he/she did not mention how the position of the bracket caused variation in frequency of hits. It was a good idea to point out the constant length and variation in point of release. The only thing really that is missing is the report of time intervals to prove the hypothesis.
Very good and constructive comments.