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It's possible to use the ideal-gas law to show that the density of the earth's atmosphere decreases exponentially with height. That is, ?=?0exp(?z/z0), where z is the height above sea level, ?0 is the density at sea level , and z0 is called the scale heightof the atmosphere. Hint: This problem requires an integration. What is the weight of a column of air?
A) Determine the value of z0.
B) What is the density of the air in Denver, at an elevation of 1600 m?
C) What percent of sea-level density is this?
D) What is the weight of a column of air?
As a result of the distribution illustrate what is scotts basis in the a/r and land, and explain how much gain or loss does he recognize?
When the afternoon Sun reaches an angle of 27.0° above the horizon, sunlight ceases to illuminate the bottom of the tank. Evaluate how deep is the tank?
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of -0.7692 N when separated by 50 cm, center-to-center, What were the initial charges on the spheres
Runner A is initially 6.80 km west of a flagpole and is running with a constant velocity of 2.6 km/h due east. Runner B is at first 3.80 km east of the flagpole and is running with a constant velocity of 8.20 km/h due west. What will be the distan..
Imagine that you send out a light flash at t=6.0 s as registered by your clock, At what time did your brother actually make this silly face and How far is your brother away from you
A 65 kg crate slides on a rough plane inclined upward at an angle of 28 degrees, what is the magnitude of the sliding friction force on the box, what is the coefficient of kinetic friction between teh box and the incline
A small block of mass m = 1.5 kg slides, without friction, along the loop-the-loop track shown. the block starts from the point P a distance h = 54 m above the bottom of the loop of radius R = 17.0 m. What is the kinetic energy of the mass at the ..
Soccer ball is kicked with a speed of 11.50 m/s at an angle of 30.0° above the horizontal. If the ball lands at the same level from which it was kicked, how long was it in the air.
If an amount of heat equal to magnitude of the work done by friction is absorbed by the crate of fruit and the fruit reaches a uniform final temperature, what is its temperature change DeltaT.
A 2kg lunchbox is sent sliding over a frictionless surface, in positive direction of an x axis along the surface. Start at time t = 0, steady wind pushes on the lunchbox in the negative direction of the x axis.
An automobile with a mass of 940 kg goes around a curve with a radius of 64m.The coefficient of friction between the tires and the road is 0.700. Illustrate what is the maximum speed with which the car can go around the curve ?
The leg and cast weigh 220 N, with the center of mass as indicated by the blue arrow in the diagram. The counterbalance w1 weighs 135 N. find the weight w2 and the angle α needed so that no force is exerted on the hip joint by the leg plus cast.
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