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The windpipe of a typical whooping crane is about 4.4 feet long. Calculate the lowest resonant frequency of this pipe, assuming that it is closed at one end? Assume a temperature of 41°C.
________Hz
An alpha particle moves in a plane perpendicular to the Earth's North Pole. Determine what direction is it travelling
A Boeing 747 jet with a wingspan of 60.0 m is flying horizontally at a speed of 300 m/s over pheonix, What voltage is generated between the wingtips
You go to the playground and slide down the slide, a 3.0 meter long ramp at an angle of 36 degrees with respect to horizontal. How long does it take you to reach the bottom of the slide
Another way of looking at the fact that all objects have wave-like properties is diffraction. At what speed should the student be moving in order to have signficant diffraction as she enters the door
1.give the definition of electrical circuit. draw the simplest electrical circuit and mark the directions of electrical
In the circuit shown, the AC voltage source supplies an rms voltage of 157 V at frequency f. The circuit has R = 96 %u03A9, XL = 215 %u03A9, and XC =99 %u03A9. Find the rms current flowing in the circuit
A tuning fork with frequency 540 Hz is dropped from a building of height 125 m by a musician. The musician can hear the fork sounding as it falls. What frequency does the musician hear right after three seconds?
Luigi wishes to suspend a lantern of mass m between his store and a telephone pole. THe cable attached to his store makes an angle (theta) to the wall. The cable to the telephone pole is horizontal.
The isotope shift of spectral lines refers to the shift in wave-lengths (or frequencies) due to the different masses of given ele-ments. Find the isotope shifts for each of the four visible Balmer series wavelengths for deuterium and tritium compared..
a golfer hits her tee-shot due north towards the fairway. her shot has an initial velocity of 60 ms. a 15 ms wind is
A roller coaster car crosses the top of a circular loop-the-loop at twice the critical speed. Find the ratio of the car apparent weight to its true weight
Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. what force does the seat belt exert on each driver
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