Which type of curve would accurately represent a closed orbit?

a. ellipse
b. hyperbola
c. parabola
d. straight line


a

Physics & Space Science

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The flight of a blimp best illustrates

A) Archimedes' principle. B) Pascal's principle. C) Bernoulli's principle. D) Boyle's law.

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The energy required to ionize a hydrogen atom from the ground state is

A) 27.2 eV. B) 13.6 eV. C) 6.8 eV. D) 3.4 eV. E) infinite.

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What resistance must be put in series with a 450-mH inductor at 5000 Hz for a total impedance of 40000 ??

A) 45 k? B) 37 k? C) 40 k? D) 26 k?

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A particle (charge = 40 ?C) moves directly toward a second particle (charge = 80 ?C) which is held in a fixed position. At an instant when the distance between the two particles is 2.0 m, the kinetic energy of the moving particle is 16 J. Determine the distance separating the two particles when the moving particle is momentarily stopped

a. 0.75 m b. 0.84 m c. 0.95 m d. 0.68 m e. 0.56 m

Physics & Space Science