94.06: Which of the following statements about the speed of waves avv9cc x9l5d9c h.t0o on a string are txto 9 cav l0cvcd95.9hrue?
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. Sffwdq):h*wfv 72;e 1pmr,cl mtring L has mass m and string H has mass 4f7deh lf;:rcf )wm1qm*p2 ,wvm. 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 tv30h -jh :ly1fpfwi ,iransverse waves down the string. If the person then doubles the jhlw vf ph0fi1y,-i3 :rate at which he vibrates the string, the speed of the waves

  11.23: A string, clamped atp2czu m1k.(4ih eph* i both ends, has its tension fixed. A wave generator vibrates the string with a fhp (4p.1mick2 iu* ezhrequency $f$ 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 associated wjhn016ia scj o i8-)jsith a sound wave?

  95.04： A wave has a frequenc9-wzz2: bl4h :owwh2gt l(ur gy of 50 Hz. The period of the wave is:

  04.04： A metal bar is vibrating with a frequency of 200 Hz. The period of oscillhbu4n)7 eh0ouation wouunbho) u70he4ld be:

  01.38: The S-waves (transverse) and P-waves (longitudinal ,)b 0o wdin/azz db5dj+9s3ey) produced by earthquakes tr i0,s5z/d3owbdz ya9bnj )+ deavel at different speeds through the earth. 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 3.(vmp)yd zn;nw4ou ;f00 Hz is known to move at 6.0 m/s on a string. Which one of the following figures best represents what a one-meter section of the st(z;;wopnmuyn v)f d40 ring could look like at an instant of time?

  13.24: Which one of the following statements best describes Huyge)b3 n spb2cke/ns’s Principle?3)nb ske2c bp/

  02.07: The diagram shows8vbf o;g6gf+r57o c ym0w+fg d two water pulses which were originally produced at point 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 do 0g;5f+w yg +cof6b78v mfgrreflected waves?

  96.03: If the frequency of sound is doubum4v dr5+5z*jn*j:h ngay3wp led, the wavelength:

  99.27: Assume that waves are propagating in a uniform 4s8 ft2bd zagf(icu1 .medium. If the frequency o4gz1 . usatc f(2b8idff the wave source
doubles then

  98.02: An observer hears a sound with frequenc qvtk2vtgyhvo z2129 (y 400 Hz. Its wavelength is approxizt(vh9vtk2v y1 g2o q2mately

  The graph below was produce by a mich*to2f5bd d,irophone in front of a tuning fork. It shows the voltage produced from the microphone as a function of t25o, * hibdfdtime.


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

  The graph below was produce nbnw(a*4.zl3q 9 .yyt2t+ svhqvpdo 5 by a microphone in front of a tuning fork. It shows the voltagy q(9w.t*2tp+qvov5d3nan y hblsz .4e
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 sqf2/lmq0gsvb x59 g:*)eq b*mwbto2a 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 form8h hag /ff72pol c3i1fjryb;6 y = 3.0sin(2.5 x − 5.0 t) where all quantities giv;h l8ghp6ofyca fr 312/7jbf ien 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 sigea05b7 f /kdjplk bspvxj:), 7nal with a wavelength of 3.40 m. At wba,:x 5kp)f7k7 bljed vspj /0hat frequency is this station broadcasting?