As a result of friction between internal parts of an isolated system
a. the total mechanical energy of the system increases.
b. the total mechanical energy of the system decreases.
c. the total mechanical energy of the system remains the same.
d. the potential energy of the system increases but the kinetic energy remains the same.
e. the kinetic energy of the system increases but the potential energy of the system remains the same.
b
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Single-Slit Diffraction: Using monochromatic light of 410 nm wavelength, a single thin slit forms a diffraction pattern, with the first minimum at an angle of 40.0° from central maximum. The same slit, when illuminated by a new monochromatic light source, produces a diffraction pattern with the second minimum at a 60.0° angle from the central maximum. What is the wavelength of this new light?
A. 276 nm B. 293 nm C. 309 nm D. 326 nm E. 342 nm
On average, the highest amounts of precipitation occur in this zone.
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The equation for the head loss is valid for both laminar and turbulent flows. We wish to pump the flow rate Q through a long pipe of diameter D, to be selected. The head loss is proportional to what power of D, assuming a constant friction factor?
