94.06: Which of the following statements about the speed of wav638 x 4b;aatgruh5igc 9fx 2 8khla1zzes on a string are tu ahrixczg483flx9z86k hga5;2a 1b 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. Str d4h5j,:mvyt rbijr* gbl3kt21d+ a1ving L has mass m and sthtgbaik1jrbj+vdl521v y*,4d3mt : r ring H has mass 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 stri 6ccno0 ak b26k3bino0ng sending transverse waves down the string. If the person then doubles the rate at which he vibrates the string, the speed ofba b36nkc kic 20no0o6 the waves

  11.23: A string, clamped at both e9h.:uues . kt:typ: mwnds, has its tension fixed. A wave generator vibrates the string with a frequenc s :kmu:wh :.u.pett9yy $f$ 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 gv eiqb9. n,s94e. 5rsmp,yp7qpbwl +associated with a sound wave?

  95.04： A wave has a frequency of 50 Hz. The periodaeswwhw 0cx/84 4 (h6swvbv9 e of the wave is:

  04.04： A metal bar is vibrating withryk /f-hpvd10 a frequency of 200 Hz. The period of oscillation wo-0d vyprk1/f huld be:

  01.38: The S-waves (transverse) a )n2vc lr t4gh2)g8 nlsps1v;tnd P-waves (longitudinal) produced by earthquakes travel at different speeds through the ea n2sp;grs2t))1gclt 84hnlv vrth. S-waves travel about 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 3u/ov an-2xq(c .0 Hz is known to move at 6.0 m/s on a string. Which onnvcxqua( /2 o-e of the following figures best represents what a one-meter section of the string could look like at an instant of time?

  13.24: Which one of the following statements best describes Huygey64zxqxz5shg:nt nn (+jql ;4 h 3r4nons’s Principle?xnn(x:3t4 zhr h 44qlnyoqgn5 ;z6j +s

  02.07: The diagram shows two water pulses which were originally produced at pot;zwk* k:qn*t.+rr tqint A and are beginning to be reflected from a wide barrier as shown. Which of the points in the diagram would represent a virtual source for the r * rk*qkz.qnrt:+wtt;eflected waves?

  96.03: If the frequency of sound is doubled, the wav3+qg. h4 s g):kay,cqv ewbf;eelength:

  99.27: Assume that waves are propagath8;yfkd2z:gf/c9wz; i f bq*+jmt+esb)fe j6 ing in a uniform medium. If the frequency of the wave so 9) ;cjy *;+ks+i8:bqfgmtd/z zjw6 fe2ebfhfurce
doubles then

  98.02: An observer hears a sound withsd zmn+azekj y5 h1et. :/. vk;hf3z3t frequency 400 Hz. Its wavelength is approxim 1t :khfsem;h3zv 5.y d3./ez ja+kzntately

  The graph below was produce by a microphone in front of a tunca69n 1frl yv ;)jd;uring fork. It shows the voltage produc1j9 ;lcd6r)f vy; nraued 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 microphm44 a8qhjj bak,2 jat1one in front of a tuning fork. It shows the voltage ajb 48ajjh2a, 4q mtk1
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 signa rz/7akre t;p +2jg*gul with a wavelength of $1.2 × 10^{−4}\:m$ 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 − 5.0 t) whnd tb .,;(vty. vh8r7vvm4epuere all quantities given are in MKS units n;y78v.v4mbd(t v pue,.htr v, x is position, and t represents time. What is the period of the wave (in seconds)?

  11.17: A new radio station broadcaspy x*p 1r/0issts its signal with a wavelength of 3.40 m. At what frequency is this station broadcxs* psy/p0ri1 asting?