The celestial equator always passes directly overhead
Indicate whether the statement is true or false
F
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The electric field between square the plates of a parallel-plate capacitor has magnitude E
The potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. The magnitude of the electric field between the plates is now equal to A) E/2. B) 2E. C) E/4. D) E. E) 4E.
A long thin uniform rod of length 1.50 m is to be suspended from a frictionless pivot located at some point along the rod so that its pendulum motion takes 3.00 s. How far from the center of the rod should the pivot be located?
A) 7.98 cm B) 7.52 cm C) 8.73 cm D) 8.40 cm E) 23.4 cm
The color of a star reveals its
a. apparent brightness. b. component elements. c. density. d. surface temperature.
Suppose a solar system has a star that is four times more massive than our Sun. If that solar system has a planet the same size as Earth, orbiting at a distance of 1 AU, what is the orbital period of the planet? Explain
What will be an ideal response?