A string 40.0 cm long of mass 8.50 g is fixed at both ends and is under a tension of 425 N. When this string is vibrating in its third OVERTONE, you observe that it causes a nearby pipe, open at both ends, to resonate in its third HARMONIC
The speed of sound in the room is 344 m/s.
(a) How long is the pipe?
(b) What is the fundamental frequency of the pipe?
(a) 0.730 m (b) 236 Hz
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A child is drinking a liquid with a straw. Which of the following statements is true?
A. Longer straws work better because the pressure is larger deeper down B. The fluid is being pulled up into the straw C. The pressure inside the straw depends on the viscosity of the liquid D. The pressure in the straw is reduced and the liquid is pushed upward by atmospheric pressure on the surface of the liquid
An earthquake emits both S-waves and P-waves which travel at different speeds through the Earth. A P-wave travels at 9 000 m/s and an S-wave travels at 5 000 m/s. If P-waves are received at a seismic station 1.00 minute before an S-wave arrives, how far away is the earthquake center?
a. 88.9 km b. 1 200 km c. 675 km d. 240 km e. 480 km
If you shined a light through air into water, glass, or a diamond, at an angle of incidence of 0,-70.70, would the angle of Use Snell's Law and the table below to calculate the angle of refraction 0, be the same in each medium?U refraction 0, for each medium. Note that the index of refraction of air (n) is 1.00, rounded to the nearest 0.01. Ro Sin2 Medium Water Glass Diamond n2 1.33 1.52 .42 0, show calculator readin SIN
An unknown particle in an accelerator moving at a speed of 1.50 × 10^8 m/s has a measured total energy of 3.30 × 10^?9 J. What is its mass? (c = 3.00 × 10^8 m/s)
a. 4.23E–26 kg b. 9.17E–27 kg c. 7.78E–26 kg d. 3.18E–26 kg e. 3.67E–26 kg