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A) Standard sea level pressure is approximately 1013 hPa andstandard surface temperature in the U.S Standard Atmosphere is 15degree C. What is the density of dry air under these conditions?B) A sample of dry air has a pressure of 400 hPa and a density of0.7 kg m^-3. What is its temperature in degrees Celsius?C) A sample of dry air has a temperature of 30 degree C and aspecific volume of 2.0 m^3 kg^-1. What is the pressure?D) The record low observed surface pressure (in typhoon Tip, 1979)was 870 hPa; the record high (Mongolia, 2001) was 1087 hPa. Airtemperature at the surface can easily vary between -40.0 degree Cand +50.0 degree C. Find the densities of air corresponding to all four possible combinations of the above extremes.E) Based on your answers to d, which of the two variables,pressure or temperature, is typically responsible for the mostpronounced variations in the density of air at sea level?
How many cubic centimeters are in a cubic kilometer? The speed of sound in air at sea level is around 340m/s. Express this speed in mi/hr. The speed of light in a vacuum is about 3108m/s. Express this speed in both mi/hr and miles per second.
RLC alternating current circuit with a 25 ohm resistor, What is the average power when operating at twice the resonant frequency
Two rigid rods are oriented parallel to each other and to the ground. The rods carry the same current in the same direction. Determine the current in the rods
A football player runs the pattern by the three displacement vectors, , and . The magnitudes of these vectors are A = 4.00 m, B = 18.0 m, and C = 16.0 m. Using the component method, find out the (1) magnitude and (2) direction of the resultant vec..
What is the root-mean-square speed of chlorine gas molecules at a temperature of 320 K? (R = 8.31 J/mol×K, NA = 6.02 ¥ 1023, and the molecular mass of Cl2 = 71)
You are looking straight down on a magnetic compass that is lying flat on a table. A wire is stretched horizontally under the table, parallel to and a short distance below the compass needle.
Suppose the gasoline in a car engine burns at 637 oC, while the exhaust temperature (the temperature of the cold reservoir) is 106 oC, Determine the ratio of the total work produced by both engines to that produced by the first engine alone
A 2.1-m-tall, 90-cm-diameter concrete column supports a 4.0×10^5kg load. By how much is the column compressed
A wire of radius a is surrounded by a cylindrical conductor of inner radius a and outer radius 2a,. find the radius at which the magnetic field is zero
A 270-m-wide river flows due east at a uniform speed of 3.5 m/s. A boat with a speed of 7.6 m/s relative to the water leaves the south bank pointed in a direction 25o west of north. What is the (a) magnitude and (b) direction of the boat's velocit..
A circuit contains two elements, but it is not known if they are L, R or C. The current in this circuit when connected to a 137 V, What are the two elements
A sled weighing 200 N is held in place by static friction on a 15? incline, What is the coefficient of static friction between the sled and the incline
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