Part A A circular wave travels outward from the origin. At one instant of time, the phase at r1 = 23.0 cm is O rad and the phase at r2 = 87.0 cm is 37T rad. What is the wavelength of the wave? Express your answer with the appropriate units. HẢ Value Units Daguegt Ancwor

1.  a) Using the diagram below, determine the wavelength and amplitude of the sound wave below. b) If the wave speed was given as v = 340 m/s, what is the frequency (Hz) of this wave?  c) Is the frequency in the audible range? 2.  A pendulum oscillates 21 times in 30 seconds.  a. What is the frequency of the pendulum’s oscillations ?b. What is the period of the pendulum’s oscillations ? c. What is the length of the pendulum?( Round answer to the nearest centimeter) 3.   A pendulum is 0.65 meters long. a) What is the period of oscillation?  b) What is the frequency of its oscillations? Round to the nearest hundredth. 4.  A water wave has a frequency of 2 Hz, and there are 5 meters between each crest on the wave. a) How fast is the wave moving? b) What is the period of the wave? 5.  Sound waves travel at roughly 340 m/s at room temperature. The minimum hearing range of a human is 20Hz. a) What is the wavelength of this wave? b) Could this wavelength fit inside the dimensions of Room 411(…

The intensity of electromagnetic waves from the sun is 1.4 kW/m² just above the earth's atmosphere. Eighty percent of this reaches the surface at noon on a clear summer day. Suppose you think of your back as a 33.0 cm x 50.0 cm rectangle. Part A How many joules of solar energy fall on your back as you work on your tan for 0.900 hr? Express your answer with the appropriate units. μA Value Submit Units Request Answer ?

Part A   What fundamental frequency would you expect from blowing across the top of an empty soda bottle that is 24 cmcm deep, if you assumed it was a closed tube? The speed of sound in air is 343 m/sm/s. Express your answer to two significant figures and include the appropriate unitsPart B What fundamental frequency would you expect if the bottle was filled with soda for height of 11 cmcm ? Express your answer to two significant figures and include the appropriate units.

How is white light different from the rest of the electromagnetic spectrum? White light is capable of altering its wavelength. O White light can travel through empty space and matter. White light is invisible to the human eye. O White light has a spectrum of visible colors.

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A baseball park is filled with 4400 home-team fans. In the bottom of the ninth inning, the home team's leading batter hits a game winning home run and all 4400 fans stand and cheer. Assume that each individual fan produces a sound intensity of 10- W/m2 , as heard from the pitching mound. Part A What is the total sound intensity heard at the pitching mound? Express your answer in watts per meter squared. W/m? Submit Request Answer Part B What is the total sound intensity level at the pitching mound? Express your answer in decibels. ? dB Submit Request Answer

A guitar string is vibrating in its fundam ental mode, with nodes at each end. The length of the segment of the string that is free to vibrate is 0.389 m. The maximum transverse acceleration of a point at the middle of the segment is 8200 m/s? and the maximum transverse velocity is 3.10 m/s. Part A What is the amplitude of this standing wave? Express your answer in meters. Πνα ΑΣφ A = m Submit Request Answer Part B What is the wave speed for the transverse traveling waves on this string? Express your answer in meters per second. v = m/s Submit Request Answer

Part A A circular wave travels outward from the origin. At one instant of time, the phase at ri = 23.0 cm is O rad and the phase at r2 = 87.0 cm is 3T rad. %3D What is the wavelength of the wave? Express your answer with the appropriate units. µA Value Units Submit Request Answer Provide Feedback

A wave traveling along the x axis is described mathematically by the equation y = 0.17sin(2.37t +0.797x), where y is the displacement (in meters), t is in seconds, and x is in meters. What is the speed of the wave? Number i Units