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A fireworks display is taking place. D1 = 500 m away from the explosion, the pressure of sound waves reaches the maximum of PPmax = 10.0 Pa. Let's say the speed of sound waves is 343 m/s. And every sound absorbs from the ground. And the air absorbs the energy of sound waves at a rate of 7.00 dB/km. Express the sound wave level in decibels as far as d2 = 4.00×103 m from the explosion.
Which will give the greater improvement in the efficiency of a Carnot engine, a 10 degree C increase in the high-temperature reservoir, or a 10 degree C decrease in the low-temperature reservoir?
Spiderman, whose mass is 72.0 kg, is dangling on the free end of a 11.4-m-long rope, How much work was done by the gravitational force on Spiderman in this maneuver
A car has an initial position of x = 0 m, an initial velocity of 0 m/s, and a constant acceleration of 5.0 m/s2. What is its position when the time is 3.0 seconds
Identify the forced and natural components in the output. On a single set of axes, use MATLAB to plot the forced response, the natural response, and the complete response.
Suppose you want to design a microscope so that for a fixed distance between the two lenses, If you want the distance between the eyepiece and objective to be 35 cm, what should the focal length of the objective be
Find the original tension in the string before it was tightened.
The catapult on an aircraft carrier can take an aircraft from 0 to 192 mph in 12 seconds, at which time the aircraft launches
The focal length of the eyepiece of a certain microscope is 18.0mm. The focal length of the objective is 8.00mm. find the overall angular magnification of the microscope
a 40.5-cm-by-40.5-cm checkerboard has a mass of 108.5 g. there are four 23.5-g checkers located on the checkerboard as
a 5 gram bullet is fired horizontally into a 15 kg block of wood suspended by a rope from the ceiling. the block
a 50 kg trunk is pushed 6 m along a level floor at a constant speed of 4.2m/s.if the coefficient of friction is 0.20, calculate the work done by the applied force
Assume that a cloudy parcel has T = 275 K, wl = 1.5 g/kg. The background atmosphere has T = 274 K, and a relative humidity of 0.6. Assume a total pressure p = 600 hPa. What is the total density of the air in the cloud (due to dry air, water vapor..
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