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Two in-phase loudspeakers are some distance apart. They emit sound with a frequency of 572 Hz. A microphone is moved between the speakers tord the wave amplitude at points along that line. What is the spacing between points where constructive interference occurs? The speed of sound in air is 343 m/s.
Explorer is caught in a whiteout (in which snowfall is so thick that the ground cannot be distinguished from the sky) as returning to base camp.
A gas undergoes two processes. In the first, the volume remains constant at 0.230m3, Find the total work done by the gas during both processes
What is the pressure change in water going from a 3.2- cm-diameter pipe to a 1.9- cm-diameter pipe if the velocity in the smaller pipe is 6.5 m/s
illustrate what minimum projection angle would achieve this result? What maximum pro- jection angle would achieve this result?
How various meters away is a cliff if an echo is heard 0.475 s after the original sound? Assume that sound traveled at 343 m/s on that day.
Use the binomial expansion to find an approximate expression
Draw a free-body diagram for the instrument during this time.(Assume that the space ship is accelerating upward. ) Find the force that the wire exerts on the instrument.
A crate whose mass m is 360 kg on the bed of a truck that is moving at 120km/h. What force (assumed constant) acts on the crate during this time
In a women's 100-m race, accelerating uniformly, Laura takes 1.81 s and Healan 3.06 s to attain their maximum speeds, which they each maintain for the rest of the race.
High-voltage power lines are a familiar sight throughout the country. What is the resistance of ten kilometers of this wire
Perform the following unit conversions for parts (A) in the table below (B) through. Show your work using a step-wise approach.
The E' is an unstable particle, with a mean lifetime on 2.5x10^-10s. What is the minimum uncertainty in this particles energy
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