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

Physics & Space Science

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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

Physics & Space Science

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

Physics & Space Science

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

Physics & Space Science

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?

Physics & Space Science