In the H-R diagram, what are the two most important types of data plotted?
A) sizes and temperatures
B) luminosities and masses
C) absolute and apparent magnitudes
D) apparent magnitudes and temperatures
E) spectral classes and absolute magnitudes
E
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During an isothermal process, 5.0 J of heat is removed from an ideal gas. How much work does the gas do during this process?
A) 5.0 J B) 10 J C) -5.0 J D) 2.0 J E) 0.00 J
A(n) ______________ image is defined as one that can be brought to a focus on a screen
Fill in the blank(s) with correct word
Two long parallel wires carry currents of 20 A and 5.0 A in opposite directions. The wires are separated by 0.20 m. What is the strength of the magnetic field midway between the two wires? (?0 = 4? × 10-7 T ? m/A)
A) 2.0 × 10-5 T B) 3.0 × 10-5 T C) 1.0 × 10-5 T D) 4.0 × 10-5 T E) 5.0 × 10-5 T
Lovins' soft energy path would lead to decentralization of energy production and distribution. List at least two reasons each why this could be a good, or a bad, thing
What will be an ideal response?