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An 80.0-m-long brass rod is struck at one end. A person at the other end hears two sounds as a result of two longitudinal waves, one traveling in the metal rod and the other traveling in the air.
What is the time interval between the two sounds? Take the speed of sound in air to be 344m/s. Use 8600kg/m3 for the density of brass and 9.00×109Pa for the Young's modulus of brass.
Two loudspeakers are located 3.57 m apart on an outdoor stage. A listener is 26.7 m from one and 27.7 m from the other. What is the lowest frequency that gives the maximum signal (constructive interference) at the listener's location
An 8.56-kg block slides with an initial speed of 1.80 m/s down a ramp inclined at an angle of 27.4° with the horizontal. compute the distance the block slides before coming to rest
Presume the electron is at the midpoint between the proton.
A ray of red light in air , 650nm, is incident on semicircular block of plastic n=1.51, Determine angle of reflection at first interface
Given the strategic decisions in the case, Classify three leadership actions that the industry would need to be consider to implement the decisions. Explain why these are critical to implementing the strategic decision.
If the column is 2.30m in length before being stressed, what is the decrease in length
The observer on the right, sees two final images. One image comes directly from the objet. The other images comes from the reflection of the object in the mirror. What is the focal length of the concave mirror
A charge of 3.0 uC(micro C) and a second charge are initially far apart. find the magnitude of the unknown charge
A projectile is fired straight up with a speed 64.4 m/s at a latitude 29o in the Northern hemisphere. find the magnitude of the deflection
A thermodynamic system undergoes a process in which its internal energy decreases by 455 J. Find the energy transferred from it by heat
As a woman walks, her entire weight is momentarily placed on one heel of her high-heeled shoes. Calculate the pressure exerted on the floor by the heel
question1a long straight wire has fixed negative charge with a linear charge density of magnitude 3.6 ncm. the wire is
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