The electric field at a point 2.8 cm from a small object points toward the object with a strength of 180,000 N/C. What is the object's charge q? (k = 1/4??0 = 8.99 × 109 N ? m2/C2)
A) -16 nC
B) +16 nC
C) -17 nC
D) +17 nC
A
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What will be an ideal response?
A color of a star reveals its
A. Prism or A Diffraction Grating |
B. Annie Jump Cannon |
C. Temperature |
D. Spectroheliometer |
E. Continuous Spectrum |
F. Joseph Van Fraunhofer |
What is the most accurate way to determine the distance to a relatively nearby star (within the Milky Way)?
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Heat Engines: A gas follows the pV trajectory shown in Figure 16.2. How much work is done per cycle by the gas if The gas in a heat engine follows the cycle shown in the pV diagram. How much work does this engine do each cycle if p0 = 5.4 atm?
A. 220 J B. 440 J C. 870 J D. 1100 J