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The threshold of hearing is defined as the minimum discernible intensity of the sound. It is approximately . Find the distance from the car at which the sound from the stereo can still be discerned. Assume that the windows are rolled down and that each speaker actually produces 0.06 of sound, as suggested in the last follow-up comment.
A wave on a string is described by the relation y = A sin(47t - 0.023x), where t is measured in seconds and x in meters, with A = 0.18 m, Find the frequency of the wave
A high energy photon is scattered at an angle of ?=180.0° from an electron that is initially at rest. Find the energy of the incident X-ray photon
A series AC circuit contains a resistor, an inductor of 230 mH, a capacitor of 4.30 µF, and a source with ?Vmax = 240 V operating at 50.0 Hz. obtain the phase angle between the current and the source voltage
Using a 10 percent cost of capital, Smith capitalized the lease on January 1, 2007, in the amount of $125,096. Illustrate what is the amount of current portion of the lease liability Smith should report on the December 31, 2007, balance sheet?
A 3.45 kg mass vertically compresses a spring 67.0 cm before it starts to rebound. How high will the Mass move above the uncompressed
Astronomers have recently discovered a new planet in a faraway solar system, with a radius of roughly 380 km. calculate the minimum density of the planet
A train engineer blows a whistle that has a frequecy of 4.0 X 10^2 hz as the train approaches a station. if the speed of the train id 25 m/s, what frequency will be heard by a person at station.
Calculate the energy in of a photon of radiation. A projectile is fired straight upward at 141 m/s. How fast is it moving at the the top of its trajectory? assume it is launched upward at 45 degrees about the horizontal plane. How fast is it moving..
A 2.0 kg block is pushed against a horizontal spring and released. The spring sends the block sliding across a tabletop. find the distance to which the spring was initially compressed
questionassume that a climber having mass m and who are l tall rappels down a vertical cliff with her body rose at a 43
A circular loop of flexible iron wire has an initial circumference of 169cm but its circ. is decr. Find the magnitude of the emf induced in the loop after exactly time 5.00s has passed since the circumference of the loop started to decrease
The end of the spring is next to the 20- mark on the ruler.If a 3.0- mass is now attached to the end of the spring, where will end of the spring line up with the ruler marks?
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