Calculate the internal energy change of air
Determine the internal energy change of air in a rigid container as its temperature is increased by transferring 50Btu/lbm of heat.
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Light of wavelength 5.00 x 10^2 nm passes through a slit of width 0.210 mm. (a) Find the width of the central maximum on a screen located 1.40 m from the slit.
A rigid container equipped with a stirring device contains 1.5 kg of motor oil. Determine the rate of specific energy increase when heat is transferred to the oil at a rate of 1 W, and 1.5 W of power is applied to the stirring device.
If a paint retailer produces a blend containing 17.0 wt% pigment, for how much ($/kg) should it be sold to yield a 10% profit?
The magnetic field that can be obtained in a superconducting magnet is about 5T. Assume an accelerator that follows the earth's equator. What is the maximum energy to which protons can be accelerated in such a machine? [Earth radius: 6.37x10^6 m]
At this angular speed, what is the kinetic energy of the flywheel? 2. If the average power required to operate the bus is 1.89×10^4 , how long could it operate between stops?
10 Kg of water in a piston cylinder exists as a saturated mixture at 120 kpa with quality 40%. sketch a P-V diagram of the process. Label the states and draw saturated liquid/vapor curve.
The wood beam has an allowable shear stress of 7 MPa. Determine the maximum shear force V that can be applied to the cross section.
Given how telescope size scales with wavelength, what wavelength would you pick for imaging the surface features of an extrasolar earth-like planet?
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