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L. L.

L. L.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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This is a question from a practice thingy that is not graded. I couldn't really figure it out and wanted to know how to do it
Physics FRQ Extra Practice Name: Vertical Velocity Two students, student 1 and student 2, are discussing the graph shown above, which shows the vertical component of the velocity of the box from when it leaves the ramp to immediately before it hits the floor. The students make the following statements. Student 1: This graph shows that the vertical acceleration of the box is constant, and that the box's speed decreases for Time the entire time shown. Student 2: The area between the graph and the time axis is the box's vertical displacement, but the graph is incorrect because the positive displacement should be equal to the negative displacement. (c) Which underlined phrase or phrases in student 1's statement are correct, if either? If neither phrase is correct, write "none." (d) Which underlined phrase or phrases in student 1's statement are incorrect, if either? If neither phrase is incorrect, write "none." (e) Which underlined phrase or phrases in student 2's statement are correct, if either? If neither phrase is correct, write "none." (f) Which underlined phrase or phrases in student 2's statement are incorrect, if either? If neither phrase is incorrect, write "none." (9) Consider the system consisting of only the box, but not the spring or Earth. How does the energy of the system when the spring is fully compressed compare to the energy of the system at the moment immediately before the box hits the ground? Justify your answer. The angle of the ramp is changed such that it is larger than 0 but less than 90 degrees, while the height of the end of the ramp remains the same. (h) How would the maximum height of the box compare to the original scenario in which the ramp angle was equal to 0 ? Justify your answer. (i) Would the slope of the graph of vertical velocity as a function of time shown above part (c) be different for this scenario in which the box is launched from the larger angle? Justify your response.
Transcribed Image Text:Physics FRQ Extra Practice Name: Vertical Velocity Two students, student 1 and student 2, are discussing the graph shown above, which shows the vertical component of the velocity of the box from when it leaves the ramp to immediately before it hits the floor. The students make the following statements. Student 1: This graph shows that the vertical acceleration of the box is constant, and that the box's speed decreases for Time the entire time shown. Student 2: The area between the graph and the time axis is the box's vertical displacement, but the graph is incorrect because the positive displacement should be equal to the negative displacement. (c) Which underlined phrase or phrases in student 1's statement are correct, if either? If neither phrase is correct, write "none." (d) Which underlined phrase or phrases in student 1's statement are incorrect, if either? If neither phrase is incorrect, write "none." (e) Which underlined phrase or phrases in student 2's statement are correct, if either? If neither phrase is correct, write "none." (f) Which underlined phrase or phrases in student 2's statement are incorrect, if either? If neither phrase is incorrect, write "none." (9) Consider the system consisting of only the box, but not the spring or Earth. How does the energy of the system when the spring is fully compressed compare to the energy of the system at the moment immediately before the box hits the ground? Justify your answer. The angle of the ramp is changed such that it is larger than 0 but less than 90 degrees, while the height of the end of the ramp remains the same. (h) How would the maximum height of the box compare to the original scenario in which the ramp angle was equal to 0 ? Justify your answer. (i) Would the slope of the graph of vertical velocity as a function of time shown above part (c) be different for this scenario in which the box is launched from the larger angle? Justify your response.
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