Recent content by ncr7
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Undergrad Calculate Displacement at Any Frequency: f_modal, d_modal, f_actual
I guess there would be a function in this case. I am working with inventor simulation studio and it gives a displacement at natural or modal frequencies. Although I am unsure if that data is even correct because inventor maybe giving meaningless data. Is there a way to analyze displacement if...- ncr7
- Post #3
- Forum: Electromagnetism
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Undergrad Calculate Displacement at Any Frequency: f_modal, d_modal, f_actual
So I have been trying to figure out how much an object is displaced when subjected to certain frequencies. If I know the modal frequency and max displacement at modal frequency can I find displacement at any frequency? I was thinking maybe using ratios you could do the following, modal...- ncr7
- Thread
- Displacement Frequency
- Replies: 2
- Forum: Electromagnetism
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How do momentum wheels work in spacecraft?
I am actually working on a project that requires this information too. I am looking into how to create a momentum wheel setup for a satellite now actually. If you find anything let me know, I'll do the same.- ncr7
- Post #7
- Forum: Aerospace Engineering
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Solving Dynamics Problem: Find Velocity, Distance & Rest Point
ok yeah I'm going to write it more throughly when I put it on paper. There wouldn't be the C because I have known points I'm integrating between. thanks for checking my work.- ncr7
- Post #11
- Forum: Introductory Physics Homework Help
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Solving Dynamics Problem: Find Velocity, Distance & Rest Point
ok I think I got it. so taking \int_0 ^{10m} -0.05v^2 dx = \int_0^v v dv I get-0.05x|_0 ^{10} = ln|v||_{5m/s} ^v e^{1.11} = v getting 3.03 m/s I think that's right...- ncr7
- Post #9
- Forum: Introductory Physics Homework Help
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Solving Dynamics Problem: Find Velocity, Distance & Rest Point
ok, I'm starting to have some weird mistakes because I have been on this problem to long lol... but I don't have two integration constants for t or v. I have the change in s from 0m to 10m. This would only really be able to give me where it's time when it comes to a complete stop which is part...- ncr7
- Post #5
- Forum: Introductory Physics Homework Help
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Solving Dynamics Problem: Find Velocity, Distance & Rest Point
so I'll get \intdv=\inta dt (v2-v1) = -0.05v^{2}*t - 0 (since t_{0}=0) but I now have 2 unknowns though. v and t since I know the change in position shouldn't I do an integration over that? I'm just unsure how exactly it should be done- ncr7
- Post #3
- Forum: Introductory Physics Homework Help
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Solving Dynamics Problem: Find Velocity, Distance & Rest Point
Hey I have been looking at the problem for a long time and for some reason I can't think of how to solve for it... I know I have to do some Calc to figure it out. Ok so here it is The acceleration of a particle is defined by the relation a = -0.05[v]^{2}, where a is expressed in...- ncr7
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- Dynamics
- Replies: 10
- Forum: Introductory Physics Homework Help
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What is the velocity of an electron at t = 1.22 s, given its position function?
I figured it out it ended up being a negative value because my y-component is negative which would make the magnitude of the vectors in the negative direction, and that gives me -79.79.- ncr7
- Post #3
- Forum: Introductory Physics Homework Help
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Solving Problem with Vectors - Velocity & Accel.
so how do you figure it out? I'm not sure how you would go about doing it. Could you take 5.6t-4.5t^2 t(5.6-4.5t) t = 5.6/4.5 ? if so what happens with the 5.72 on the other side of the equation?- ncr7
- Post #3
- Forum: Introductory Physics Homework Help
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Solving Problem with Vectors - Velocity & Accel.
The velocity of a particle moving in the xy plane is given by = (5.6 t - 4.5 t2) + 8.2, with in meters per second and t (> 0) in seconds. (a) What is the acceleration when t = 3.3 s? (b) When (if ever) is the acceleration zero? (c) When (if ever) does the speed equal 10 m/s? I got the...- ncr7
- Thread
- Vectors
- Replies: 3
- Forum: Introductory Physics Homework Help
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What is the velocity of an electron at t = 1.22 s, given its position function?
figured out part b and c as I got to the end of the problem I saw they wanted it in velocity so I had to take the derivative of r and then solve for x and y values. I am still having trouble with d though...- ncr7
- Post #2
- Forum: Introductory Physics Homework Help
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What is the velocity of an electron at t = 1.22 s, given its position function?
This should be a really easy problem but for some reason I keep getting the wrong answers. The position of an electron is given by = 3.56t - 8.10t2 + 2.53, with t in seconds and in meters. At t = 1.22 s, what are (a) the x-component, (b) the y-component, (c) the magnitude, and (d) the angle...- ncr7
- Thread
- Replies: 2
- Forum: Introductory Physics Homework Help
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What Classes Should I Take for Next Semester in Aerospace Engineering?
Well I did those already in my prior degree I was going for. I have enough social sciences I believe, and all my writing classes out of the way, so I just have all the fun ones left :u) I am going to head over to my advisor sometime next week. I got 2 tests tomorrow, Chem and American...- ncr7
- Post #5
- Forum: Aerospace Engineering