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1. Calculate the isentropic stagnation temperature and pressure on your hand as you hold it outside the window of an automobile traveling at 55.0 mph on a day when the static temperature and pressure are 70.0°F and 14.7 psia.
2. Steam at 600.°F and 200. psia is traveling at 1500. ft/s. Determine the isentropic stagnation temperature and pressure of the steam by
a. Assuming steam to be an ideal gas.
b. Using the steam tables (or Mollier diagram or computer program).
a baseball is thrown from the roof of a building of height 20.6 with an initial velocity of magnitude 14.0 and directed
Generally, you can't suspend an employee unless there's a suspension clause in the employment agreement. In very serious cases, you may be able to suspend someone while you investigate the misconduct, e.g. to protect your accounts from possible in..
Objects with masses of 180 kg and a 480 kg are separated by 0.410 m. Find the net gravitational force exerted by these objects on a 58.0-kg object placed midway between them
In an electron microscope, there is an electron gun that contains two charged metallic plates 2.90 cm apart. Determine the acceleration of the electron
Find the ratio of the rotational inertia of the Earth for rotation about its own axis to its rotational inertia for rotation about the Sun. (Give your answer in terms of RE, the radius of the Earth, and Ro, the radius of Earth's orbit about the su..
If a material increases it's length from 160m to to 163.20m when it's temperature is raised 160 degrees C, determine the coefficient of linear expansion
What is the repulsive force among two pith balls that are 12.0 cm apart and have equal charges of -26.0 nC?
A child with a mass of 34.91 kilogram is swinging from a rope tied to the branch of a tree. The rope is 2.85 meter long. Calculate the frequency of the child's swing
A person weighs 670N steps onto a spring scale in the bathroom, and the spring compresses by 0.79 cm. What is the spring constant? And what is the weight of another person who compresses the spring by 0.34 cm.
Because the Earth is curved, would an observer on the eastern edge of the Eastern Standard Time zone see an object appear to rise before or after an observer at the 75th longitude circle?
At the surface of Jupiter's moon Io, the acceleration due to gravity is 1.81m/s2. What is the mass of this piece of ice on the surface of Io
When traveling past an observer with a relative speed v, a rocket is measured to be 9m long. When the rocket moves with a relative speed 2v its length is measured to be 5m. What is the speed v? What is its proper length?
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