Sinusoidal Wave And Transverse Sinusoidal Wave - Physics Assignment Help

Assignment Task

A cölümin of soldiers marching at 120 paces per minute, keep in step with the beat of a drummer at the head of the column. The soldiers in the fear end of the column are.striding forward with the " left foot when the drummer is advancing with the right foot. What is the approximate length of the column? .... 

46 The A string of a violin is a little too tightly stretched. Beats at 4.00 per second are heard when the string is sounded together with a tuning fork that is oscillating accurately at concert A (440 Hz). What is the period of the violin string oscillation? 610 ) If the form of a sound wave traveling through air is s(x, t) = (6.0 nm) cos(kx + (3000 rad/s)t + o),

A whistle of frequency 540 Hz moves in a circle of radius 60.0 cm at an angular speed of 15.0 rad/s. What are the (a) lowest and (b) highest frequencies heard by a listener a long distance away, at rest with respect to the center of the circle? LW 

how much time does any given air molecule along the path take to move between displacements s = +2.0 nm and s = -2.0 nm? 

053) An acoustic burglar alarm consists of a source emitting waves of frequency 28.0 kHz. What is the beat frequency be tween the source waves and the waves reflected from an in truder walking at an average speed of 0.950 m/s directly away from the alarm?

A point source emits 30.0 W of sound isotropically. A small mi crophone intercepts thic sound in an area of 0,750 crô2, 200 m from the source: Calculate (a) the sound intensity these and (b) the power intercepted bý the microphone.

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