94.06: Which of the follogr1 e5x nsz7q8wing statements about the speed of waves on a string ars578zrx egq1 ne true?
I. The speed depends on the tension in the string.
II. The speed depends on the frequency.
III. The speed depends on the mass per unit length of the string.

  97.23: String L and string H have the same tension and length. String L ha 6r h *fy -vfn3qqy*amgm9x7b5s mass m and string H has mas5av*hf ygx96 myr3qqbmn f* -7s 4m. If the speed waves in string L is v, the speed of waves in string H is

  07.44: A person vibrates the end of a string sending transverse s m0rece 9auo7ig+5l( waves down the string. If the person then doubles the rate a5m ro+au9si(7 lcee g0t which he vibrates the string, the speed of the waves

  11.23: A string, clamped at both ends, has iv)9 *d.yk -6f6.jjdc 7iaunnoo arab ;ts tension fixed. A wave generator vibrjb)fa.o 6aca.vni 6*97oyd-; rnj ukdates the string with a frequency $f$ producing waves of wavelength $\lambda$ which have speed v. The frequency of the wave generator now is doubled to $2f$. Which one of the following choices best describes the new values of the wavelength of waves produced and the speed of the waves on the string？

  95.01： Which is not asxb hc ;qwyg 7:.bucr:9sociated with a sound wave?

  95.04： A wave has a frequency of 50 Hq fpfqwbh937aa0c 6bm3eop( 6z. The period of the wave is:

  04.04： A metal bar is vibrating with a frequency of 200 Hz. The period vc:l 1r;cqfke. 15z rbof oscillation would beqv1k ; zc .r:f1ecblr5:

  01.38: The S-waves (tran.lb(t p ymhrfp63mw-9h)a,n -hg lmt- sverse) and P-waves (longitudinal) produced by earthquakes travel at different speeds through the earth. S-waves travel apgbh6lhhtt( m rp, n-9a-f- ml3ym).wbout 4000 m/s, P-waves travel at nearly 7000 m/s, how far away must an earthquake be for the P-waves to arrive 2 minutes before the S-waves?

  17.07: A traveling sine wave of frequency 3.0 Hz is knx(x1p-g25uedn s +ccyown to move at 6.0 m/s on a string. Which one of the following figures best represents what a one-meter s( e scpxd-+cny5g 1xu2ection of the string could look like at an instant of time?

  13.24: Which one of the following statements best describes Huyg hu599;tbbd- ;a(kss uyam.wm ens’s Principle?s(ams ad9 -ubbw tyk;.;9muh5

  02.07: The diagram showis*hu o..mlg3 s two water pulses which were originally produced at point A and are beginning to be reflected from a wide g. hmi.ul*so3barrier as shown. Which of the points in the diagram would represent a virtual source for the reflected waves?

  96.03: If the frequency of sound is doubled, the waveleney+n3l2 ii2jfj ; ndb7gth:

  99.27: Assume that w4i+pz/uaabstsoi.ho;.-0sw *uy/qh aves are propagating in a uniform medium. If the frequency of the wave source hs/qiw/u o.-4ao*z 0i hyas;+p u.sbt
doubles then

  98.02: An observer hears a sound with frequency 400 Hz. Its wavelength is apprqu8znvp z:b41oxi8 z4zqvpbnu1 :mately

  The graph below was produce by a microphone in front of asnp4d i3 zy6.j tuning fork. It shows the voltage p jz6 dys4i3pn.roduced from the microphone as a function of time.


04.18: The frequency of the tuning fork is (approximately)

  The graph below was produce by a microphone in front of a tuning b s4c givh+;xihkm 9/o+5sm5tfork. It shows the voltag 4mt;o5xbv5igc /ks+hhs+ i m9e
produced from the microphone as a function of time.

04.19: In order to calculate the speed of sound from the graph, you would also need to know

  06.28: A radio signal with a wavelength of n h;gws )g5i. sl)ro/u$1.2 × 10^{−4}\:m$ is sent to a distance asteroid, is reflected, and returns to Earth 72 hours and 48 minutes later. How far from Earth is the asteroid?

  08.46: A traveling wave has the form y = 3.0sin(2.5 x uqrud0ol90(q.j bs-w − 5.0 t) where all quantities given.0 ws uj9d-ubr0oql(q are in MKS units, x is position, and t represents time. What is the period of the wave (in seconds)?

  11.17: A new radio station broadcasts its signalwx(3emkm( + te with a wavelength of 3.40 m. At what frequency is this station broadcastin(m e3te(xm wk+g?