Plane waves in water of 100 Pa effective (rms) pressure are incident normally on a sand bottom. The sand has density 2000 kg/m³ and sound speed 2000 m/s. (a) What is the effective pressure of the wave reflected back into the water? (b) What is the effective pressure of the wave transmitted into the sand? (c) What is the power reflection coefficient? (d) What is the smallest angle of incidence at which all of the incident energy will be reflected?

Plane waves in water of 100 Pa effective (rms) pressure are incident normally on a sand bottom. The sand has density 2000 kg/m³ and sound speed 2000 m/s. (a) What is the effective pressure of the wave reflected back into the water? (b) What is the effective pressure of the wave transmitted into the sand? (c) What is the power reflection coefficient? (d) What is the smallest angle of incidence at which all of the incident energy will be reflected?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

What is the minimum gate weight (kN) required to open it and allow the two sides of fluid (S=10.6) to mix? Rectangular gate size: 19 m x 2 m x 5 m 2 m Gate depth 5 m 19 m 8 m 3 m 30 deg А
A schematic of the flow profile around the vehicle is shown. To optimize the design of the top of the windshield, the engineer wishes to determine the velocity at the top of the windshield, if the car will move at a constant velocity of 100 km/h and the windshield is installed at an angle of 30° with the horizontal. The speed of sound in air is 340 m/s. 30 cm 20 cm 王。 50 cm 35 cm
The wave function for a wave on a taut string is given by y(x,1)=0.35sin 10z1-3zx+- where x and y are in meters and r is in seconds, The linear mass density of the string is u= 75.0 g/m, (a) Calculate the speed of the traveling wave on the string. (b) Calculate the average rate at which energy is transmitled along the string? (c) Calculate the energy contained in each cycle of the wave?
Question 4 a. Write you understanding about resonance condition for standing waves. Transverse waves travel with a speed of 20.0 m/s on a string under a tension of 6.00 N. What tension is required for a wave speed of 30.0 m/s on the same string?
A sinusoidal wave of height of 5 feet is propagating to the "right" in sea-water of depth of 100 feet with a celerity of 30 ft/sec. At a location A under the free surface the diameter of the circular particle trajectories has been found to be equal to 23 inches. Determine the following: a) The period and length of this wave. Assume deep water, and then verify this assumption.
In Tinyland, houses are less than a foot high! The rainfall is laminar! The drainpipe, as shown in the figure below, is only 2 mm in diameter. The length L = 22 cm. For water, take ρ = 998 kg/m3 and μ = 0.001 kg/m⋅s. Take π = 22/7. The kinetic energy correction factor α is 2.0. The gutter is designed for a sudden rainstorm of up to 5 mm per hour. For this condition, what is the maximum roof area that can be drained successfully? (in m^2) Determine the Reynolds number of the gutter.
0.5 sec A block of mass m = 5 kg is attached to a spring of spring constant k. The block oscillates in simple harmonic motion on a frictionless horizontal surface. The block-spring total mechanical energy is 36.1J. The maximum velocity of the block, vmax, is: 3 m/s 1.8 m/s 3.8 m/s O 2.1 m/s O 2.4 m/s A traveling wave on a taut string with a tension force T is given by the wave ir in
It is true, that lower frequency waves travel at a slower rate than high frequency sounds? Yes or no?
A traveling wave on a taut string with a tension force T is given by the wave function: y(x,t) = 0.1sin(4x+100t), wherex and y are in meters andt is in seconds. The linear mass density of the string is u = 0.1 Kg/m. If the tension is multiplied by a factor of four, while keeping the same amplitude, same frequency, and same linear mass density, then the new power of the wave, is
What will happen when you drop a coin in a basin filled with water? explain the behavior of the waves as you drop the coin. Explain the relationship of the height and distance as you drop the coin. Also, relate this with the occurences of earthquake. DISCUSS THOROUGHLY.
PQLSF-SIc5ubF50okuUY2CSkNZN6feNz-ORFGoiJC_heCJ8G520A/formResponse A traveling wave on a taut string with a tension force T, is given by the wave function: y(x,t) = 0.05sin(TUx-100Ttt), where x and y are in meters and t is in seconds. If the linear mass density of the string is given by u = 0.01 kg/m, then the tension force on the string is, %3D %3D O 25 N O 1N 10 N 0.5 N O 100 N The block