What is Peak: Definition and 252 Discussions

Healthpeak Properties, Inc. is a real estate investment trust that invests in real estate related to the healthcare industry including senior housing, life science, and medical offices. It is organized in Maryland and headquartered in Denver, Colorado with offices in Nashville and San Francisco. As of December 31, 2019, the company owned interests in 617 properties.

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  1. L

    Phase angle between peak source voltage and peak voltage across RLC?

    Homework Statement An LRC series circuit with R = 200Ω , L = 31mH , and C = 1.8μF is powered by an ac voltage source of peak voltage V0 = 540V and frequency f = 550Hz. What are the peak voltages across the inductor, capacitor, and resistor and their phase angles relative to the source...
  2. H

    Current peak time in RLC circuit?

    I am trying to figure out how to calculate the time at which current will peak in the following circuit. Seems to me the capacitor will have no effect and the circuit will become a basic LR circuit in which the time constant is: 10/10010=.00099 x 5 = 4.9mS. Is this correct? Any help...
  3. O

    Half wave vs peak detector circuit

    hello I would like to know what is the different between half wave rectifier circuit and peak detector circuit.. as what i know from half wave.. it only take the positive wave only.. then what about peak detector ??
  4. B

    Height of Peak in M-Slit Experiments

    Homework Statement Let q = kd sin(θ), so the sin(θ)-dependent factors in the M-slit and the 2-slit formulas for registered diffraction intensity can be compactly written: 1/M2 = (sin2(Mq/2))/(sin2(q/2)) and cos2(q/2), where the 1/M2 prefactor normalizes them in common to have unit maximum...
  5. T

    Peak rectifier - conduction interval

    Homework Statement I am confused about how they got the expression: VPcos(ωΔt)=VP-Vr Specifically you can find the notes in page 5 of this article: http://whites.sdsmt.edu/classes/ee320/notes/320Lecture8.pdf You may also find it useful to refer to the graphs as a reference...
  6. W

    Sound Intensity Peak: Find Time Between Peaks

    Homework Statement One wheel goes at 850 rpm and the other at 780 rpm, and obviously they make a noise. Standing in an enclosed room, you hear the sound intensity increase and then decrease periodically due to wave interference. How long does it take between successive times for the sound...
  7. Safinaz

    Resonance Peak Width: How Does it Relate to Scattering Processes?

    Hi all, I'd like to know what if we have a scatteing process A+B > C > E+D, what is the relation between the width of the resonance peak of the particle C at plotting the inv. mass of particles E and D and the total width of C . Regards, S.
  8. M

    IR Absorption of Compounds: Why the 3300 cm-1 Peak?

    When analyzing the absorption pattern for different compounds when radiated by IR radiation, we see the wavelengths of the IR lights that is absorbed. These wavelengths correspond to the frequency at which the bonds in the molecule vibrate. My question is why a compound, for example an alcohol...
  9. K

    Calculation of Peak Impact force

    I am a M-tech student working on a project of Drop weight impact testing machine for measuring the crashworthiness of structure. As it will be a lab-scale model, the budget doesn't allow me to include load cells for measuring peak impact force by load-displacement graph. I am planning to...
  10. P

    Solid - solid impact force peak

    how would i go about calculating the peak force of an impact between two solids i assume it has to do with the how readily the structure compresses but I am not sure what else might complicate it from there also what if one of the objects fractures and what about granular impacts
  11. C

    Peak impact force of a falling object

    Hi there, I'm trying to work out how much force is produced if a climber was to fall onto a rope. I do realize that it would depend on the rope and whether it stretched or not but for this case let's just say it does not have any give in it. If I use the example of a climb who weighs...
  12. T

    Predicting projectile peak based on vector points

    hey folks, I am making a program that uses object tracking to watch a juggling pattern and plays notes based on the peaks of the balls. I want to predict when/where(x,y) a peak will happen before it does and what i have to work with is when/where(x,y) the ball appears in each frame. I have...
  13. FOIWATER

    A positive peak detector circuit

    I am building a positive peak detector circuit using AD829 opamps. I have attached my current circuit I built in multisim. I used a "superdiode" configuration on the charging circuit so that I simultaneously get the charging across the capacitor, no discharging during the falling edge, and...
  14. Z

    How are square sound waves possible? How does a speaker sustain peak?

    Hello everyone :smile:, after spending many hours watching youtube videos, reading wikipedia articles and other related material, I came to the conclusion that my best hope at understanding this is to have an explanation personally explained to me, and I trust this is the right place to ask for...
  15. M

    Why is there a peak in the visible range?

    I have always wondered why the intensity of the graph always peaks in the visible portion of spectrum. http://3.bp.blogspot.com/-fOnjOBanbcw/TqG1dI81fnI/AAAAAAAABpM/mRL5kfi-i_Y/s1600/ThermalRadiation.png I understand that the graph represents intensity does not continually increase as...
  16. C

    Find ω for Peak Current of 2A: Solving for ω in an AC Circuit

    Homework Statement Determine the value of ω such that the peak value of i(t) is 2A. Homework Equations Ipeak = (Irms *(2)1/2) Zc = -j/ωC I = V/Z The Attempt at a Solution Irms = 2A/(2)1/2 Irms = 1.41A1.41A = 25V (?) /( ω * 0.002F) ω = 25V / (1.41A * 0.002F) ω = 8865 r/s
  17. N

    Which Matters More for Optical Components: Average Power or Peak Power?

    Something that i have wondered for a long time is when an optical components power handling capability is discussed, is it the average power or peak power that is in question? Thanks.
  18. S

    Calculate Peak Power of a Motor Based on Max Torque & RPM

    How do you work out the peak power of a motor based on its maximum torque and rpm? I've figured out that you can get the maximum torque via (coil area) * (# turns) * (current) * (magnetic field) And I get that the peak power should be proportional to the rpm. But it doesn't seem to be as...
  19. P

    AC Circuits - peak to peak voltage

    Let's say you have a sine wave V=2sin(2t) V. For this peak to peak voltage is 4V. Then let's say that everything below V=0 is cut off. Is the peak to peak value for this just from 0 to 2V? Making Vpp=2V?
  20. S

    Using a Microcontroller to read peak values

    I need to use the analogRead feature of an Arduino microcontroller to read the peak value of a sinusoidal signal. I wrote a function that sampled the analog signal many times more than the frequency of the input signal and saves the highest read value. The problem being, the Arduino always...
  21. V

    Absorption band and absorption peak?

    The absorption spectra of some materials appear as the absorption bands (for example: TiO2 powder) while the other appear as the absorption peaks (for example: Quantum dots). Please explain why they are different?
  22. S

    AC Electronics Problem (Problem with Peak values)

    Homework Statement This is my first time posting so I'm sorry if the formatting isn't right, just let me know what I need to change. Thanks. Note: If it helps, I am using "Electronics with Discrete Components" by Enrique J. Galvez and this problem is #4 on page 166. "The AC supply had a peak...
  23. R

    Angle of Twist and Peak Torsional Shearing Stress

    Homework Statement A stepped solid shaft of circular cross section is rigidly clamped at ends A and D and loaded by twisting moments T1= 1kN.m and T2 = 1.5kN.m at points B and C. The material is steel for which G = 84x10^9 N/m^2, the length L of the shaft is 500mm, and the diameters of AB and...
  24. D

    Bandwidth at resoance and peak dB level

    Hi, I'm investigating what happens to bandwidth at resonance of a series RLC circuit when each component is doubled. i have simulated the circuits and created a bode plot. You can see from the photos that at resonance the gain peaks at -20.82 dB. I would like to know how to calculate this...
  25. Mentallic

    Slow Internet During Peak Hours - What Can I Do?

    After having just set up my modem, I noticed that it was dropping out a lot and the speed tests I conducted were far under the minimum expected by my broadband plan. However, the dropping out ceased and download and upload speeds came back to normal from midnight all the way till mid afternoon...
  26. M

    Peak Electron Number Density of a Beam

    Homework Statement Consider what happens as a parallel beam of non-relativistic electrons with beam radius a is injected as a current I into a region of vacuum after acceleration through a voltage difference V. If the radial profile of the beam can be described as p=p0 cos(\frac{\pi...
  27. JJBladester

    Calculating peak voltage in a center-tapped transformer

    Homework Statement Calculate the peak voltage across each half of a center-tapped transformer used in a full-wave rectifier that has an average output of 120V. Homework Equations Assuming the practical model (factoring voltage drop across diodes but not the diodes' dynamic...
  28. V

    Peak power for nuclear explosions

    I was reading this article http://news.yahoo.com/ap-exclusive-graph-suggests-iran-working-bomb-161109665.html on Iran's nuclear programme and at first thought the numbers on the left (relating to kilotons of energy per second) were off, but then I realized that it relates to peak power output at...
  29. L

    Calculating RMS Value for Unequal Peak Amplitudes

    If I have a wave that looks pretty much sinusoidal but the peak positive amplitide is greater than the peak negative applitude how do I calcualte the rms vlaue - is it still the peak positive amplitude divided by root 2? Thanks :)
  30. R

    Peak electric field of a laser light.

    Homework Statement A laser produces an average power of 7.0 W in a light beam 1.0 mm in diameter. Find (a) the average intensity and (b) the peak electric field of the laser light Homework Equations Intensity = P/ A Unsure about part B The Attempt at a Solution For part...
  31. M

    Automotive To calculate the peak gas forces

    Hello, guys I am fresh, I have a problem about my calculate. I know Peak gas force=pressure*Bore Area however how to calculate pressure. I knew diesel car max cylinder pressure is 180 Bar, but I do not gasoline car max cylinder pressure. Could you help me solve this problem?
  32. B

    Peak deconvolution - How much information can I get from these peaks?

    I need some help understanding how much information I can pull out of this data. I have a sample made up of two materials. Materials A and material B. Then I took a picture of the sample. The two materials mix quite well, but not perfectly, so on my image I can see that some areas are mostly...
  33. F

    When do we get peak voltage in a 3-phase generator?

    Think I am having a brainfart here, so I need a tad bit of help. Sorry, imageshack rotated the image for some reason: http://img690.imageshack.us/img690/5629/img1380as.jpg (http://img690.imageshack.us/img690/5629/img1380as.jpg ) I can't really understand anymore when do we get the peak...
  34. C

    Plancks law: Relationship between peak wavelength and peak frequency

    Homework Statement What is the relationship between vmax and λmax and why isn't it just vmaxλmax = c Homework Equations vλ = c vmax = 5.88 x 1010T s-1 K-1 λmax = 0.290T-1 cm K The Attempt at a Solution I worked out that Bλ = -dv/dλ Bv where -dv/dλ = c/λ2 So I...
  35. Drakkith

    Kitt Peak Nightly Observing Program - First Time in a Dark Sky!

    I'm off to Kitt Peak for their nightly observing program. It will be my first time in a true dark sky location! A very nice change of pace compared to the 100 or so hours I've worked in the past 8 days. I'll say hi to Andromeda for everyone here! P.S. Please keep Phinds from ripping the...
  36. P

    Calculation of InAS WurtZite bragg peak position

    Hey If I have a InAs Wurtzite structure, and now the a and c parameter from tables. How can i calculate the distance between (1 0 3/2)_sur layers? (in surface coordinates) I need it to find the angle of reflection, for a (1 0 3/2) WZ InAs peak. Is it just so simple? (1 0 3/2)_sur =...
  37. O

    Engineering Op-amp circuit peak current and swtiched circuit transient

    Homework Statement I have uploaded the questions in the attachment. I am having trouble with 2. e,f and 3.c untitled.png is the parts that I am having trouble with. untitled1.png and untitled2.png is the entire question. Homework Equations y(t)= steady state+transientThe Attempt at a Solution...
  38. J

    Creating a square wave pulse at the peak of a sin wave

    Hi all, I am trying to create a square wave pulse that lasts for a relatively small amnount of time which corresponds (as close as possible) to the peak of a sin wave input of period about 1 second. The only way that I can think of doing this is via a programmable device such as an arduino...
  39. Q

    Understanding Peak Inverse Voltage (PIV): Why Is It Important?

    i read this sentence like a 100 times and i still don't get it please can anyone help me?? PEAK INVERSE VOLTAGE (PIV): PIV is the maximum reverse bias voltage which can be applied safely to a diode without its breaking down. Beyond this voltage a diode breaks down they say the PIV must be...
  40. T

    Calculating Peak Amplitude of Water Wave Motion

    I have now in some time tried to figure out a way to calculate the peak amplitude of a water wave, after starting the wave motion by dropping an object, with a certain weight from a given height, in the water. I am not in need of the information, but it would be nice to know. I will hope...
  41. R

    CMB Peak Fregenucy (Planck's law vs. Wein's law)

    wikipedia says: "The CMBR has a thermal black body spectrum at a temperature of 2.725 K, which peaks at the microwave range frequency of 160.2 GHz, corresponding to a 1.873 mm wavelength. This holds if measured per unit frequency, as in Planck's law. If measured instead per...
  42. Demon117

    Calculating the energy loss of the quasi-elastic peak

    Homework Statement A 500 MeV beam is scattered by a carbon target at 60 degrees. What is the energy loss (\omega or \nu) of the quasi-elastic peak? Ignore binding effects. The Attempt at a Solution This assignment is due tomorrow but we have yet to cover this material in my nuclear...
  43. R

    Peak current during discharge

    Homework Statement When a person shuffles across a dry carpet, their body can be modeled as a charge 100-pF capacitance with one end grounded. Then, if the person touches a grounded metallic object such as a water faucet, the capacitance is discharged and the person experiences a brief...
  44. M

    Finding Voltage As A Function of Peak Voltage

    Homework Statement http://www.rfcafe.com/references/electrical/triangle-wave-voltage-conversion.htm I'm trying to understand how this website figured out that V = Vpk*(2/pi)*theta Homework Equations Vpk*(2/pi)*theta The Attempt at a Solution The only thing that comes to...
  45. russ_watters

    What is the peak of our civilization?Where do we go from here?

    So first off, I know the title is a paraphrase from "The Matrix" but just relax: this is not yet another philosophy of The Matrix thread. This is a thread about where the world is and where it is going in terms of development and increasing standard of living. I don't intend it to be political...
  46. A

    Finding the magnitude of the nearest peak and period

    Homework Statement Harmonic wave is described by: h(x,t)=cos(2∏(2x-t/2)). The equation is expressed as the height of the wave At time t0 a peak of the wave is at position X0. What is the magnitude of the distance to the nearest peak at this time? How much time passes before another peak is...
  47. E

    Finding the peak height of a projectile with DAVTU?

    EDIT: I figured it out, the time data was wrong for the trial. redid it with the correct 0.95s and got 1.5m peak height which seems right. :D Homework Statement In my physics class we made a miniature trebuchet (the axle is 50cm off ground) and part of the lab report is to calculate the peak...
  48. J

    Peak forces of round and rectangular solenoids

    I am doing some research involving solenoids of varying aspect ratios, and I'm looking for some equations I can use to back it up. I have three different solenoids of the equal n (where n=N/L), with different shapes and different cores/plungers, and I am comparing their forces by testing them...
  49. M

    Test for continuous torque and peak torque.

    Hello, I want to test gearboxes. How do you recommend I test the continuous torque of a gearbox and also the peak torque of the gearbox? I want to test to see the maximum torque the gearbox can handle. How do you suggest I go about doing so? What type of equipments or measuring devices...
  50. G

    Peak Fluence of a Guassian Laser Beam

    I am working on theoretical laser amplifier model for a pulsed input beam. However, my model is based on a top hat pump beam and laser beam profile, I want to update to a super gaussian and gaussian distribution respectively. The parameters I know are: beam radius w Pulse Energy E and...
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