The diagrams below show two uniformly charged spheres. The charge on the right sphere is 3 times as large as the charge on the left sphere. Each arrow represents the electric field at the center of one sphere created by the other. Which choice best represents the magnitudes and directions of the electric field vectors created by one sphere at the location of the other sphere?
6
Physics & Space Science
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The preferred name for Cl2O7 is
a. chlorine(II) oxide. b. chlorine oxide. c. dichlorine heptoxide. d. chlorine(VII) oxide.
Physics & Space Science
Suppose you live at latitude 40°N? Based on the given right ascensions and declinations, which of the following stars passes closest to your zenith on its daily path through your sky?
A) Spica: RA = 13hr 25m, dec = -11°09' B) Deneb: RA = 20hr 41m, dec = +45°16' C) Sirius: RA = 6hr 45m, dec = -16°42' D) Alpha Centauri: RA = 14hr 40m, dec = -60°50' E) Vega: RA = 18hr 37m, dec = +38°47'
Physics & Space Science
In an eclipsing binary, the longer the stages of the eclipse take, the ________ the star
Fill in the blank(s) with correct word
Physics & Space Science
At what temperatures is radiation emitted from a black body?
What will be an ideal response?
Physics & Space Science