An amount of an ideal gas is taken around the process shown. Which of the following statements about the internal energy of the states is true?
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Preston pushes a wheelbarrow weighing 480 N to the top of a 45.0-m ramp, inclined at 22.0° with the horizontal, and leaves it. Tamara accidentally bumps the wheelbarrow. It slides back down the ramp, during which an 85.0-N frictional force acts on it over the 45.0 m. What is the wheelbarrow's kinetic energy at the bottom at of the ramp? (g = 9.8 m/s2)
a. 1.4E+3 J b. 1.6E+4 J c. 1.2E+4 J d. 8.1E+3 J e. 4.3E+3 J
A unit of angular diameter could be meters
a. True b. False Indicate whether the statement is true or false
Air temperature can increase by the process of
A) moisture condensation. B) contact with cold surfaces. C) moisture evaporation. D) all of the above
Determine the view factors F12 and F21 for the surfaces shown. Surfaces A1 and A2 are flat and perpendicular to each other.
