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(a) 0.1 m3 of gas is compressed form a pressure of 120 kPa and temperature 25oC to a pressure of 1.4 MPa according to the law PV1.4 = constant. Determine the Work transferred (cv = 0.72 kJ/kg-K and R = 0.285 kJ/kgK)
(b) A piston-cylinder device contains a gas that expands by the relationship pV = C. If p1 = 6 MPa, V1 = 0.02 m3 and V2 = 1.0 m3, determine the final pressure and the boundary work.
Light of wavelength 650 nm is incident above at an angle of 90 upon a glass plate as shown below. The glass plate rests on top of a second plate so that they touch at one end and are seperated by .0325mm at the other end as shown in the figure.
An astronaut weighs 275 lbs with equipment here on the surface of the earth. If he goes to a planet where the acceleration of gravity is 12.5 ft/s/s, What will be his mass be there
If we model a blade as a point mass at the midpoint of the blade, what is the inward force necessary to provide each blade's centripetal acceleration
The distance to the moon is calculated from the round-trip time. What percent correction is needed to account for the delay in time due to the slowing of light in the earth's atmosphere?
Are any of the numbers suspect? Why? You might look at the questions in the EESEE story to help you identify possible sources of suspicious numbers.
Light from a laser strikes a diffraction grating that has 5 312 grooves per centimeter. Determine the wavelength of the laser light
A thin film of oil (n = 1.22) is located on smooth, wet pavement. When viewed from a direction perpendicular to the pavement, What is the minimum thickness of the oil film
What is the car's maximum speed on an incline. A fire hose held near the ground shoots water at a speed of 5.4 m/s, At what angle(s) should the nozzle point in order that water land 2 m away.
When she is in the middle of the rope, what is the force on each eyebolt holding the tightrope?
Heat engines take input energy in the form of heat, use some of that energy to do work, What is the magnitude of the internal energy that the athlete uses in order to do 9.7x104 J of work
Compare and contrast Symmetrical and Cambered wings. What are the reasons for using these different type of wings in an aircraft design?
Derive an equation for the surface of a Bunsen flame supported by a parabolic flow issuing from a slot. Assume the burning velocity is fixed atso.Integrate over the surface to obtain an average s according to s = V? /A. Discuss the function s/so.
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