A doctor using 3 MHz ultrasound measures a 6500 Hz frequency shift as the ultrasound reflects from blood ejected from the heart through the aorta. Assuming that blood inside the heart is essentially at rest and the patient is lying down, what is the difference in blood pressure between the inside of the heart and the aorta? Treat blood as an ideal fluid. The speed of sound in tissue is 1540 m/s. OA 18 103 Pa (14 mm Hg) X O89.0 × 10² Pa (7 mm Hg) OC1.5 OD 3.1 x 10³ Pa (11 mm Hg) 10³ Pa (23 mm Hg) High pressure Aorta Low pressure Hean

A doctor using 3 MHz ultrasound measures a 6500 Hz frequency shift as the ultrasound reflects from blood ejected from the heart through the aorta. Assuming that blood inside the heart is essentially at rest and the patient is lying down, what is the difference in blood pressure between the inside of the heart and the aorta? Treat blood as an ideal fluid. The speed of sound in tissue is 1540 m/s. OA 18 103 Pa (14 mm Hg) X O89.0 × 10² Pa (7 mm Hg) OC1.5 OD 3.1 x 10³ Pa (11 mm Hg) 10³ Pa (23 mm Hg) High pressure Aorta Low pressure Hean

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter14: Superposition And Standing Waves

Section: Chapter Questions

Problem 49P: Some studies suggest that the upper frequency limit of hearing is determined by the diameter of the...

See similar textbooks

Similar questions

A sound wave traveling in air has a pressure amplitude of 0.5 Pa. What is the intensity of the wave?
Table 17.1 shows the speed of sound is typically an order of magnitude larger in solids than in gases. To what can this higher value be most directly attributed? (a) the difference in density between solids and gases (b) the difference in compressibility between solids and gases (c) the limited size of a solid object compared to a free gas (d) the impossibility of holding a gas under significant tension
A flute has a length of 58.0 cm. If the speed of sound in air is 343 m/s, what is the fundamental frequency of the flute, assuming it is a tube closed at one end and open at the other? (a) 148 Hz (b) 296 Hz (c) 444 Hz (d) 591 Hz (e) none of those answers
Write an expression that describes the pressure variation as a function of position and time for a sinusoidal sound wave in air. Assume the speed of sound is 343 m/s, = 0.100 m, and Pmax = 0.200 Pa.
A sound wave in air has a pressure amplitude equal to 4.00 103 Pa. Calculate the displacement amplitude of the wave at a frequency of 10.0 kHz.
(a) What is the speed of sound in a medium where a 100-kHz frequency produces a 5.96-cm wavelength? (b) Which substance in Table 17.1 is this likely to be?
(a) What is the fundamental frequency of a 0.672-mlong tube, open at both ends, on a day when the speed of sound is 344 m/s? (b) What is the frequency of its second harmonic?
Some studies suggest that the upper frequency limit of hearing is determined by the diameter of the eardrum. The wavelength of the sound wave and the diameter of the eardrum are approximately equal at this upper limit. If the relationship holds exactly, what is the diameter of the eardrum of a person capable of hearing 20 000 Hz? (Assume a body temperature of 37.0C.)
A sound wave has a frequency of 632 Hz in air and a wavelength of 0.51 m. What is the temperature of the air? Assume the velocity of sound at 0°C is 331 m/s. Answer in units of °C.
Air temperature in a desert can reach 55.0°C (about 131°F). What is the speed of sound (in m/s) in air at that temperature?
102 kg/m3? What is the speed of sound in benzene, which has a bulk modulus of 1.05 x 109 Pa and a density of 8.76 x 1094.82 km/s
A sound wave traveling in 20°C air has a pressure amplitude of 0.800 Pa. What is the intensity of the wave? (Assume the density of air is 1.29 kg/m3. Enter your answer in W/m2.)