Hz Essays

  • Neuralgia Pasca Herpes Essay

    316 Words  | 2 Pages

    pasca herpes (NPH) atau postherpetic neuralgia (PHN) merupakan komplikasi herpes zoster (HZ) yang sering terjadi pada orang tua yang ditandai dengan nyeri yang dapat timbul sebelum dan umumnya bersamaan dengan ruam serta menetap setelah ruam hilang. Nyeri ini dapat berlangsung sampai beberapa bulan bahkan bertahun-tahun dengan gradasi nyeri yang bervariasi dalam kehidupan sehari-hari.1,2 NPH merupakan komplikasi HZ yang disebabkan oleh infeksi human herpes virus-3 (HHV-3) atau lebih dikenal sebagai

  • The Debate Concerns The Question Of Whether a Pers Essay

    9936 Words  | 40 Pages

    filtration the solution was evaporated, and the remaining crude reaction product 5 (100 % isolated yield) was used without purification; mp: 88–91 8C; 1H NMR (CDCl3): d = 7.13 (dd, J = 7.9, 4.8 Hz, 1 H), 7.15– 7.20 (m, 2 H), 7.24–7.29 (m, 1 H), 7.40–7.46 (m, 2 H), 8.32 (dd, J = 4.8, 1.8 Hz, 1 H), 8.34 (dd, J = 7.9, 1.8 Hz, 1 H); IR: n = 3065, 1585, 1573, ˜ 1516, 1489, 1348; m/z 216 [M] + . Formation of 3-amino-2-phenoxypyridine (6): Pd catalyst (10 % on charcoal, 1.7 g) was added to a solution of 5 (17 g

  • Turkiye History Essay

    43770 Words  | 176 Pages

    Hayber’in Fethi, Kâbe’yi Ziyaret, Mute Savaşı Mekke’nin Fethi ve Huneyn Savaşı Tebük Savaşı Veda Haccı, Veda Hutbesi Peygamberimizin Son Günleri ve Vefatı Veda Hutbesi Metni Dört Halife Devri (632 – 661) …….……………………………………..………………... 25 Hz. Ebu Bekir Hz. Ömer Hz. Osman Hz. Ali Cennet’le Müjdelenen Diğer Altı Sahabî ……..………………………………………..…. 28 2 Emeviler Devri (661 – 750) ..………………………………………………………......... 29 Battal Gazi Endülüs Emevileri (715 – 1492) .………………………………………………................ 31 Abbasiler

  • Dæmasafn Hljóð Essay

    367 Words  | 2 Pages

    eftirfarandi tíðnidreifingu? | Án A-vigtunar (Z) | | Með A-vigtun | 63 Hz: 78,2 dB | 78,2 dB | -26,2 dB | 52 dB | 125 Hz: 73,2 dB | 73,2 dB | -16,1 dB | 57,1 dB | 250 Hz: 61,7 dB | 61,7 dB | -8,6 dB | 53,1 dB | 500 Hz: 63,3 dB | 63,3 dB | -3,2 dB | 60,1 dB | 1000 Hz: 55,3 dB | 55,3 dB | 0 dB | 53 dB | 2000 Hz: 52,7 dB | 52,7 dB | 1,2 dB | 53,9 dB | 4000 Hz: 41,1 dB | 41,1 dB | 1 dB | 42,1 dB | 8000 Hz: 35,4 dB | 35,4 dB | -1,1 dB | 34,3 dB | Hver er hlóðgjöf hljóðgjafans með

  • Into To It - Audio Transformations Essay

    1486 Words  | 6 Pages

    Float 44,100 Hz Stereo 39.9 MB MP3 17:26.12574 320KB Sec Sample Format Sample Rate Channel Output File Size File Format Length Bit Rate Wave File 32 Bit Float 44,100 Hz Stereo 175 MB WAV 17:26.12574 320KB Sec Sample Format OGG File 32 Bit Float 44,100 Hz Stereo 8.34 MB OGG 17:26.12574 320KB Sec Sample Rate Channel Output File Size File Format Length Bit Rate Audacity File Sample Format Sample Rate Channel Output File Size File Format Length Bit Rate 32 Bit Float 44,100 Hz Stereo 714

  • Frequence Essay

    604 Words  | 3 Pages

    (en hertz) Fréquence de référence La fréquence du la3 est fixée à 440 Hz. Octaves Le rapport des fréquences de deux notes à l'octave est de 2. "Monter d'une octave" équivaut à "multiplier la fréquence par 2". Par exemple fréquence du la3 = 440 Hz; fréquence du la4 = 880 Hz; fréquence du la5 = 1760 Hz; etc. "Descendre d'une octave" équivaut à "diviser la fréquence par 2": fréquence du la2 = 220 Hz; fréquence du la1 = 110 Hz. Demi-tons La gamme tempérée est caractérisée par des demi-tons égaux

  • Ecg Design Essay

    4580 Words  | 19 Pages

    which is known as instrumentation amplifier. In addition, the biopotential amplifier is connected with a band pass filter to only accept signals with frequencies in a certain range. This is because ECG signal is in the frequency range of 0.05 to 100 Hz (Webster, 2010). v1 v2 v- vo2 v4 v3 B D vo1 A C A Figure 1.1.1: Biopotential ECG amplifier. Reproduced from (Webster, 2010). From Figure 1.1.1 above, this amplifier circuit can be divided into several parts. Part A is buffer amplifier

  • Prsp Essay

    114263 Words  | 458 Pages

    2015 p¡−ml j−dÉ Bu c¡¢lâÉ Øal A−dÑ−L qÊ¡−pl mrÉ ASÑ−el SeÉ A−eLM¡¢e h¡s¢a fË−QÖV¡l fË−u¡Se q−hz HSeÉ h¡wm¡−c−nl fË−u¡Se 1990 Hl cn−L m¢ra h¡¢oÑL 1|5 na¡wn q¡−l c¡¢lâÉ qÊ¡−pl N¢ad¡l¡−L 2000-15 fkÑ¡uL¡−m 3|3 na¡wn q¡−l aÄl¡¢eÄa Ll¡z H ¢q−ph ®b−L ®cM¡ k¡u, k¢c Bu Apja¡l Aa£a fËhZa¡ BN¡j£ cn−L Ar¥æ b¡−L a¡q−m Bu c¡¢lâÉ qÊ¡−pl mrÉ ASÑ−el SeÉ h¡wm¡−cn−L BN¡j£ 15 hRl hÉ¡f£ fË¡u h¡¢oÑL 7 na¡wn q¡−l fËhª¢Ü ASÑe Ll−a q−hz AeÉ¡eÉ ¢e−cÑ¢nL¡pj§−ql SeÉ L¡S¢V Lj ¢el¦vp¡qSeLz eîC Hl cn−L cªø ¢nö jªa¥Él q¡l qÊ¡p Hhw

  • Donating Paper

    3554 Words  | 15 Pages

    produce electric power where the voltage waveform has only one frequency associated with it, the fundamental frequency. In the North America, this frequency is 60 Hz, or cycles per second. In European countries and other parts of the world, this frequency is usually 50 Hz. Aircraft often uses 400 Hz as the fundamental frequency. At 60 Hz, this means that sixty times a second, the voltage waveform increases to a maximum positive value, then decreases to zero, further decreasing to a maximum negative

  • Report

    2441 Words  | 10 Pages

    differential pressure transducer. 5. The air blower and the frequency inverter were switched on. The frequency set to 5 Hz. 6. The system was allowed to run for about 1 minute. An eye was kept on the digital differential pressure transducer. The reading in Table 1 was recorded down once the reading was stabilized. 7. The frequency with 5 Hz increment was adjusted till 25 Hz. 8. The experiment was repeated by using the different orifice size. 9. The graph of differential pressure reading

  • Free Turbulent Jet Essay

    1542 Words  | 7 Pages

    frequency inverter (C) are switched ON. The frequency is set to 5 Hz. 6. The system is allowed to run for about 1 minute. An eye is kept on the digital differential pressure transducer. The reading in Table 1 is recorded down once the reading stabilize (small fluctuation is acceptable). (Reminder, it the reading is negative value, kindly changes the tubing connection.) 7. The frequency is adjusted with 5 Hz increment till 25 Hz. 8. The experiment is repeated using different orifice size

  • Hello Essay

    1217 Words  | 5 Pages

    a (t ) = 20 cos(80π t + 90 o ) is sampled at a rate of 250 samples/second? (a) 40 Hz 1.3 (b) 80 Hz (c) 125 Hz (d) 160 Hz Suppose that an analog signal x a (t ) is bandlimited to 12000 Hz (i.e. the maximum frequency of the signal is 12000 Hz). What is the Nyquist rate for this signal? (a) 24 kHz (b) 12 kHz (c) 8 kHz (d) 6 kHz 1.4 The signal x a (t ) = 2 + 6 sin(120π t + 30 o ) is samples at a rate of 200 Hz. What is the frequency f of the resulting discrete-time signal (in cycles/sample)

  • Sound Waves Essay

    468 Words  | 2 Pages

    fork continues to vibrate, it sends out a series of compressions and rarefactions in all directions like ripples in a pond. -Sound waves are longitudinal. audible sound waves-what humans hear; between 20 and 20,000 Hz infrasonic-less than 20 Hz ultrasonic-higher than 20,000 Hz; used to produce images inside the body because short wavelengths are easily reflected off a small object ex.-Dolphins use short wavelengths for echolocation. -Frequency determines pitch. Perceived highness or lowness

  • Binaural Beats Essay

    2320 Words  | 10 Pages

    listener
perceives
in
this
case
is
half
way
between
the
two
frequencies
that
are
 causing
the
auditory
beats.
(Lane,
Kasian,
Owens,
&
Marsh,
1997,
p.
249).
For
 example,
two
signals
sounding
together
with
a
difference
of
10
Hz
between
them
 will
beat
at
a
rate
of
10
beats
per
second
and
the
listener
will
perceive
this
pitch
to
 be
5
Hz
below
the
upper
frequency
and
5
Hz
above
the
lower
frequency.
This
 auditory
beating
is
what
can
be
 heard
when
a
guitar
player
tunes
his
 or
her
instrument
by
matching
 pitches
between
two
strings
(see
 Example
1)

  • Meuh Essay

    504 Words  | 3 Pages

    rhshs h sh rts h sr hs h hsrhshsrh srhsrhsh shrshhr z z zrg zh hz azeaze ae rg dh dthdj dtjdj dtjdtj dthj azeazea azeaeqdgrfhs hdsrhh s rhshs h sh rts h sr hs h hsrhshsrh srhsrhsh shrshhr z z zrg zh hz azeaze ae rg dh dthdj dtjdj dtjdtj dthj azeazea azeaeqdgrfhs hdsrhh s rhshs h sh rts h sr hs h hsrhshsrh srhsrhsh shrshhr z z zrg zh hz azeaze ae rg dh dthdj dtjdj dtjdtj dthj azeazea azeaeqdgrfhs hdsrhh

  • Rc & Rl Circuits with Oscilloscope Essay

    1465 Words  | 6 Pages

    to 90 Hz. Then Ms. Theint and Ms. Cortes turned on the oscilloscope, adjusted its focus and intensity controls, turned the amplitude control of the function generator to maximum, and adjusted the volts/div and swept time/div controls to make 1 or 2 sine-waves cover the full screen. By reading the horizontal number of divisions and computed the experimental frequency, we were able to calculate the percent error. After that, we changed the function generator frequency to 3,000 Hz and 52,000 Hz and repeated

  • Breakable Essay

    1178 Words  | 5 Pages

    Curiously Low Noise Amplifier The Curiously Low Noise Amplifier takes advantage of the wonderful noise characteristics of the 2SK170 JFET that boasts a noise voltage below 1 nV/root-Hz and virtually no noise current. The noise voltage of the amplifier is only 1.4 nV/root-Hz at 1 kHz, increasing to only 2.7 nV/root-Hz at 10 Hz. The noise current is difficult to measure, so this simple utility amplifier can see the noise from a 50 ohm resistor and a 100k resistor, too. (The 1.4 nV input-referred noise will

  • Acoustics Report

    3652 Words  | 15 Pages

    approximated as being parallel to the floor; Room Pre-Treatment Design Birds-eye view Side view Requirement 4: Calculate and provide a tabular and graphic representation of the control room’s reverb time for octave bands centred on 125 hz, 250hz 500hz, 1khz, 2khz and 4khz. In order to counter this first set of problems, you recommend the replacing of the cork tiles with a 9mm tufted pile wall-to-wall carpet and felt underlayi addition you specifyspecify illsonic sonex foam tile (50mm

  • Add Maths Essay

    2636 Words  | 11 Pages

    cycle. Hertz(Hz) The number of complete cycles per second f= Displacement 1 T and T= 1 f DISPLACEMENT – DISTANCE GRAPH λ Amplitud Amplitud Distance λ In one period (T), a crest will have moved a distance of one wavelength (λ). Therefore the speed of the wave, v is given by: V= λ T (but 1 = f) T 5 Therefore Wave velocity Worked example 1: V= λ T 0.3m The above figure shows waves moving on a slinky with frequency 3 Hz and a wavelength

  • Physics (Velocity of Sound) Essay

    2372 Words  | 10 Pages

    España, Manila Philippines Abstract The objective of the experiments conducted is to determine the velocity of sound. Using water and a resonance tube apparatus, the speed of sound was determined to be 316.64 m/s using a 512 Hz tuning fork and 327.18 m/s using a 320 Hz tuning fork. The second experiment is done by making a sound on the open end of a glass tube, which was picked up by a microphone; the speed of sound was found to be 356.36 m/s with a 2.99% error compared to the theoretical speed

  • Velocity of Sound Essay

    2608 Words  | 11 Pages

    f = v/4 L = 343/(4)(0.67) = 128 Hz 2. Weak background noises from a room set up the fundamental standing wave in a cardboard tube of length L = 67.0 cm with two open ends. Assume that the speed of sound in the air within the tube is 343 m/s. What frequency do you hear from the tube if you move your head away enough so that the tube has two open ends? Solution : With both ends open, the fundamental frequency is given by f = v/2 L = 343/(2)(0.67) = 256 Hz 3. The audible frequency range

  • Waves Test Essay

    883 Words  | 4 Pages

    Human ears can detect sounds with frequencies in the range 20 Hz to 20 000 Hz. Frequencies above this range are called ultrasound. Short bursts of ultrasound waves can be used to measure the depth of the sea. The waves are produced by a crystal vibrating at a very high frequency. (a) Which of the following frequencies could be ultrasound? Circle the correct answer. 15 Hz 250 Hz 15 000 Hz 25 000 Hz (1) (b) Why can humans not hear ultrasound? ........

  • Dansk Fysik Rapport Essay

    427 Words  | 2 Pages

    således. Vi startede med at anslå den første stemmegafle, den på 256 Hz og satte den derefter hen over mundingen af resonansrøret. Så sænkede/hævede vi, alt efter hvad det var, niveaukuglen så der skabes resonanser så måles vandoverfladens afstand L fra rørmundingen. Vi tog også temperaturen for det lokale, forsøget blev udført i. Og derefter det samme med 440 Hz. Resultater: Temperatur: 21˚c f (Hz) | L (meter) | f (Hz) | L (meter) | 256 | 0,310,95 | 440 | 0,160,55 | Nu kan vi ud

  • Dansk Fysik Rapport Essay

    427 Words  | 2 Pages

    således. Vi startede med at anslå den første stemmegafle, den på 256 Hz og satte den derefter hen over mundingen af resonansrøret. Så sænkede/hævede vi, alt efter hvad det var, niveaukuglen så der skabes resonanser så måles vandoverfladens afstand L fra rørmundingen. Vi tog også temperaturen for det lokale, forsøget blev udført i. Og derefter det samme med 440 Hz. Resultater: Temperatur: 21˚c f (Hz) | L (meter) | f (Hz) | L (meter) | 256 | 0,310,95 | 440 | 0,160,55 | Nu kan vi ud

  • Dansk Fysik Rapport Essay

    427 Words  | 2 Pages

    således. Vi startede med at anslå den første stemmegafle, den på 256 Hz og satte den derefter hen over mundingen af resonansrøret. Så sænkede/hævede vi, alt efter hvad det var, niveaukuglen så der skabes resonanser så måles vandoverfladens afstand L fra rørmundingen. Vi tog også temperaturen for det lokale, forsøget blev udført i. Og derefter det samme med 440 Hz. Resultater: Temperatur: 21˚c f (Hz) | L (meter) | f (Hz) | L (meter) | 256 | 0,310,95 | 440 | 0,160,55 | Nu kan vi ud

  • Woodwind Essay

    559 Words  | 3 Pages

    It is measured in cycles per second or Hertz (Hz). The pitch of a note is almost entirely determined by the frequency: high frequency for high pitch and low for low. 440 vibrations per second (440 Hz) is heard as the note A in the treble clef, a vibration of 220 Hz is heard as the A one octave below, 110 Hz as the A one octave below that and so on. We can hear sounds from about 15 Hz to 20 kHz (1 kHz = 1000 Hz). A contrabassoon can play Bb0 at 29 Hz. When this note is played loudly, you may be able

  • Condition Monitoring Essay

    1093 Words  | 5 Pages

    frequency can be calculated as: number of blades x rpm Blade pass frequency = 6 x 2400 = 14400 RPM Convert to Hz=14400/60=240Hz Diagram 2 – Typical Blade Diagram - (Kosse, 2001) The typical blade diagram in diagram 2 shows spikes in the frequency at 1x, the blade pass frequency, and 2x the blade pass frequency. These frequencies will be 40Hz, 240 Hz, and 480Hz. The following results were obtained when the parameters were inserted into the mobius program. As shown two of the

  • Favourite Restaurant Essay

    386 Words  | 2 Pages

    siblings alone as a single mum n hz alwys provided al tht we needed,shz lovin,caring n hz raisd mi wit a stait hand n i sy wat i am z al becoz o her n only her.i have 3 brothers n 1 sister wo r Ian,Elvis,Romeo n Angel my bg sis.i lv em al so vry mch cz ey r family n family shud b e most important thng in our lives.now my love lyf............,wel ryt nw am in loveeeee wit ths guy wo hz rily touchd my hrt lyk no 1 hz,hz swit,lovin,funy n al in al hz jst so adorable,wel hz cld HAROLD KATATUMBA e most amazng

  • Wave Worksheet Essay

    408 Words  | 2 Pages

    _____ b) Wavelength ______ cm   c) Amplitude _______ cm d) frequency ________ Hz e) speed _______ cm/s Wave 2 [pic] a) How many waves are there in this wave train? _____ b) Wavelength ______ cm   c) Amplitude _______ cm d) frequency ______ Hz e.) speed _____ cm/s Wave 3 [pic] a) How many waves are there in this wave train? _____ b) Wavelength ______ cm   c) Amplitude _______ cm d) frequency ______ Hz e.) speed _____ cm/s Wave 4 [pic] a) How many waves are there in this wave

  • Answers to Byrd and Chan 2012 Essay

    15452 Words  | 62 Pages

    problem and solution Comments and queries from instructors should be e-mailed to Ida Chen at: idachen@sympatico.ca If you have any further questions, please contact Nicole Lukach, Acquisitions Editor, Pearson Canada, at: Nicole.Lukach@PearsonEd.com hz Problem Concordance Bookmarks In PDF File Contact Information zle d ii Test Item File Problem Listing Subjects Covered By Test Item File Problems Chapter 1 Introduction Problem 1-1 1-2 1-3 1-4 1-5 1-6 1-7 1-8 1-9 Subject Essay questions True or false

  • Hz Lnes Essay

    1082 Words  | 5 Pages

    This case is about financial difficulties and restricting of Horizon Lines INC., the largest U.S. domestic ocean carrier. Problems Horizon run into starting from the crime related to price fixing in Puerto Rico in 2008. Such litigation caused a fine of 45 million to be paid over five years since 2011. In addition, nearly 60 civil class-action lawsuits were filed against Horizon, which adds to the pressure of obligation. On the other hand, under severe economy downturn, operation restrictions imposed

  • Why Do Cats Meow Essay

    1958 Words  | 8 Pages

    found that the cheetah purred with an average frequency of 20.87 Hz (egressive phases) and 18.32 Hz (ingressive phases), while the much smaller domestic cat purred with an average frequency of 21.98 Hz (egressive phases) and 23.24 Hz (ingressive phases).[13] Schötz and Eklund studied purring in four domestic cats and found that the fundamental frequency varied between 20.94 and 27.21 Hz for egressive phases and between 23.0 and 26.09 Hz for ingressive phases. They also observed considerable variation

  • Prostate Cancer Essay

    12473 Words  | 50 Pages

    corresponds to the bis-alkylated derivative (characterization not included). 1H NMR (DMSO, 400 MHz) δ (ppm): 3.68 (2H, t, J9′‑8′ = 6.4 Hz, 2H9′), 4.32 (2H, t, J8′‑9′ = 6.4 Hz, 2H8′), 6.94 (1H, t, J4′‑3′ = J4′‑5′ = 7.4 Hz, H4′), 6.99 (2H, dm, J2′‑3′ = J6′‑5′ = 8.2 Hz, H2′ and H6′), 7.11 to 7.15 (2H, m, H5 and H6), 7.29 (2H, tm, J3′‑2′ = J3′‑4′ = J5′‑6′ = J5′‑4′ = 7.4 Hz, H3′ and H5′), 7.45 (2H, bs, H4 and H7). 13C NMR (DMSO, 100 MHz) δ (ppm): 30.7 (C9′), 66.8 (C8′), 110.9 (C7), 115.0 (C2′ and C6′), 117

  • Bølger I Guitar Essay

    641 Words  | 3 Pages

    langs gribebrættet, til hovedet. Strengenes navne og frekvenser (dersom guitaren er stemt tempereret) fremgår af tabellen nedenfor: |streng |E |A |D |G |H |E´ | |f/Hz |82,4 |110,0 |146,8 |196,0 |246,9 |329,6 | Strengenes frie længder i grundsvingningen er normalt 65 cm. Når vi spiller på en guitar, ændrer vi strengenes frekvens ved at ændre på

  • Tissue Engineering Volume 7, Number 6, 2001 Mary Ann Liebert, Inc Essay

    6435 Words  | 26 Pages

    was only observed when these cells were exposed to cyclic pressure at 1.0-Hz (but not at 0.25-Hz) frequency for 1 h (but not for 20 min) daily for 5 days. In contrast, endothelial cells were not responsive to cyclic pressure, whereas fibroblast proliferation increased under similar test conditions. Most important, cyclic pressure affected various osteoblast genes differently: exposure of osteoblasts to cyclic pressure (at 1.0-Hz frequency for 1 h daily) resulted in enhanced transcription and translation

  • De Solfeggio Frequenties Essay

    500 Words  | 2 Pages

    Gregoriaanse gezangen. Ook de kracht van de in het oude Sanskriet gereciteerde mantra's vallen hieronder. Elke frequentie heeft een unieke trilling die inwerkt op ons systeem.   De Solfeggio Frequentie Schaal: UT- 396 Hz RE- 417 Hz MI- 528 Hz FA- 639 Hz SOL- 741 Hz LA- 852 Hz De eerste toon “UT Quent Laxis” heeft een frequentie van 396 cycli per seconde en wordt ook geassocieerd met een magnetisch veld waarvan de kracht gelijk staat aan 105 Gauss  (De gauss is een – inmiddels in onbruik geraakte

  • Intonation Essay

    1259 Words  | 6 Pages

    vibrations per second of the object causing the sound, which is measured in Hertz (abbreviated Hz). Due to biology (and a little bit of psychology), if the frequencies of two sounds are very close to a small whole-number ratio they sound pleasing when heard together. In music theory, this characteristic is generally described as "consonance". For example, two sounds with frequencies of 440 Hz and 220 Hz have a ratio of 2:1, which is a highly consonant interval (one octave). When the relationship between

  • Technical Spec Essay

    2864 Words  | 12 Pages

    date and time Directory services Power MX700 ● Auto-sensing power supply ● 100-120/200-240 VAC, 50/60 Hz ● 170 watt maximum for codec and main camera ● Standby Power Consumption single cam/dual cam: 129W/140W ● Average Power Consumption single cam/dual cam: 504W/525W ● Max Power Consumption single cam/dual cam: 548W/573W MX800 ● Auto-sensing power supply ● 100-120/200-240 VAC, 50/60 Hz ● 170 watt maximum for codec and main camera ● Standby Power Consumption single cam/dual cam: 106W/118W ● Average

  • Powerphys Week3 Essay

    858 Words  | 4 Pages

    between stimulations for each frequency of stimulation. • 25 Hz 40msec • 50 Hz20msec • 100 Hz10msec • 200 Hz5msec • 400 Hz2.5msec 7. For each frequency of stimulation, indicate whether the period between stimulation is longer or shorter than the length of an action potential. Length of action potential in pyramidal neuron is about 15-20 milliseconds (msec) • 25 Hz longer • 50 Hz longer • 100 Hz shorter • 200 Hz shorter • 400 Hz shorter 8. Estimate the length of the refractory period

  • Waves Essay

    7638 Words  | 31 Pages

    diagram below illustrates the vibrating string. The distance between the fixed points is 120 cm. (e) (i) Mark on the diagram a distance equal to the wavelength of the standing wave. (1) (ii) The frequency of vibration of the string is 250 Hz. Determine the speed of the wave on the string. ........................................................................................................................... ..........................................................................

  • Neuralgia Pasca Herpes Essay

    1707 Words  | 7 Pages

    pasca herpes (NPH) atau postherpetic neuralgia (PHN) merupakan komplikasi herpes zoster (HZ) yang sering terjadi pada orang tua yang ditandai dengan nyeri yang dapat timbul sebelum dan umumnya bersamaan dengan ruam serta menetap setelah ruam hilang. Nyeri ini dapat berlangsung sampai beberapa bulan bahkan bertahun-tahun dengan gradasi nyeri yang bervariasi dalam kehidupan sehari-hari.1,2 NPH merupakan komplikasi HZ yang disebabkan oleh infeksi human herpes virus-3 (HHV-3) atau lebih dikenal sebagai

  • Physics Lab Report

    4338 Words  | 18 Pages

    different trials for b = 0 Tav (s) | σT (s) | rT | f (Hz) | σf (s) | w0(rad/s) | σw0(rad/s) | 1.527 | 5.376E-3 | 3.521E-3 | 0.655 | 2.306E-4 | 4.115 | 1.449E-3 | Table 2) Values showing the analysis of the above table Analysis (all analysis table follows this equations) Taverage = T1+T2+T3+T4+T55= 7.6335=1.527 s σT = Ti-Tav25-15=1.445×10-45=5.376×10-3 s rT = σTT=5.376×10-31.527=3.521×10-3 f = 1T=11.527=0.6548788474=0.655 Hz (3d.p.) σf = rT ⋅ f =3.521×10-3×0.6548788474=2.306×10-4

  • Hello, Lionel Richie Essay

    872 Words  | 4 Pages

    vadflk cuea;dkhvsa cbagbdlks jsldb kjda;hz ;\jbdz ;wajfbd ;kdjhvdffhd dhvfd dhfvs hd svd hsvfh hsdvhdf dhsvf hsvfhsfhsf sdbhs sdfghs fdsk kfzgdf jdsfksfjh sdjkfhkjsf kfdjjfgb jfdksdf fhf hfhf fhfh fhfh fhfh hfhf hfhf jfdfb,hf, g ksdg kg gk gkgf kjsg fak gkg l l f laslf , c g,h k ;k c;/ b.v ,bv hb hmg fjh g gf gfg c ,v,nb c,gc ,jc gcm jc mg c mgc m cb, gbc nc mn c ,c, c ,jhc ,jh ,ph. ugh;d lvd pfcasivd vadflk cuea;dkhvsa cbagbdlks jsldb kjda;hz ;\jbdz ;wajfbd ;kdjhvdffhd dhvfd dhfvs hd

  • Using Frequencies in Music Production Essay

    1843 Words  | 8 Pages

    50 Hz The lowest frequency range adds fullness to those bass instruments like the kick drum, toms and bass. Cut in the 50 – 100 Hz area if they are getting too thick and interfering with the clarity of the low-end of your mix. It can also add extra punch to dance music, because it adds a dimension of “feeling” the bass instead of hearing it. Of course, you’ll need pretty juicy, low-end speakers for this. If there’s too much rumble in your mix, I would recommend cutting or filtering some of this

  • Schumann Resonance Essay

    470 Words  | 2 Pages

    Schumann Resonance can improve your health? Scientific research has made quite a number of claims about how this layer is highly useful to the mammalian brain, especially to the human brain which resonates at a frequency of 7.83 Hz. The Schumann Resonance layer vibrates from  to 60 Hz frequency rate. In depth, the Schumann Resonance layer appearts to vibrate at very low, which in perspective is very useful both physically and psychologically to a person’s brain when it resonates at the same rate. Research

  • Informative Speech Outline: Frequencies

    647 Words  | 3 Pages

    little bit better how frequencies work and have a little bit more knowledge in how frequencies are used in audio and everyday life.. III. Connect with Audience According to the AES (Audio Engineering Society), the range of human hearing is from 20 Hz – 20kHz. But what most people don’t know is that as you grow older, you lose the ability to hear frequencies at certain levels. IV. Preview: A. Breakdown of Frequencies and its history B. Examples of different frequencies we use in audio and

  • Action Potentials Essay

    1027 Words  | 5 Pages

    Stimuli 25 Hz 50 Hz 100 Hz 200 Hz 400 Hz Period between stimulations (ms) 40 msec 20 msec 10 msec 5 msec 2.5 msec Number of Action Potentials Produced 5 5 3 1 1 Laboratory Frequency of the Five Supra-Threshold Stimuli 25 Hz 50 Hz 100 Hz 200 Hz 400 Hz Refractory period effect? NO NO YES YES YES Graph 2. Number of action potentials generated at different times between stimulations. 6. State the amount of time between stimulations for each frequency of stimulation. a) 25 Hz 40 msec

  • Light Essay

    465 Words  | 2 Pages

    ______________3. Which has the greater energy, a photon of yellow Violet 424 400 nm light or a photon of green light? (green) ______________4. Which has the longer wavelength, light with a frequency of 7.32 X 1014 Hz or light with a frequency of 6.0 X 1014 Hz? (6.0 X 1014 Hz; it has lower frequency; wavelength and frequency vary inversely) ______________5. Which has higher energy, of 674 nm or k of 480 nm? (480 nm) ______________6. Which has a higher frequency, orange

  • Waves and Sound Essay

    974 Words  | 4 Pages

    has a frequency of 88.0 x106 Hz? [pic] 2. What is the frequency of a wave that has a period of 5 seconds? [pic] 3. What is the frequency if15 waves passed in 1.5 seconds? [pic] 4. The speed of all electromagnetic waves in empty space is 3.00 x 108 m/s. Calculate the wavelength of electromagnetic waves emitted at the following frequencies: [pic] a. Radio waves at 88.0 x 106 Hz [pic]

  • Room Acoustics Essay

    4186 Words  | 17 Pages

    by the walls and air. RT60 is the time required for reflections of a direct sound to decay by 60 dB below the level of the direct sound. Reverberation time is frequently stated as a single value however it can be measured as a wide band signal (20 Hz to 20kHz) or more precisely in narrow bands (one octave, 1/3 octave, 1/6 octave, etc.). Typically, the reverb time measured in narrow bands will differ depending on the frequency band being measured. It is usually helpful to know what range of frequencies