When an electron is added to an atom, a(n) ______________ ion is formed
Fill in the blank(s) with correct word
negative
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Suppose that you are looking at the sky at about midnight on the December solstice. Which star will be nearest to your meridian?
Consider the following data for four stars: Star RA Dec. Spica 13hr24m.1 -11°20' Deneb 20hr39m.7 +45°06' Sirius 6hr44m.2 -16°42' Alpha Centauri 14hr38m.4 -60°46' A) Sirius B) Alpha Centauri C) Spica D) Deneb
If the current through a 5 ohm and a 10 ohm resistor in series is 4 amps, then the total voltage drop across both of these resistors will be
a. 15 b. 20 c. 60 d. 120 volts
What is the reason a type I supernova slows its dimming after about 2 months?
A) The planetary nebula cooled enough to form a dust shell. B) Energy is released from the decay of radioactive cobalt 56 to iron 56. C) The supernova remnant suddenly becomes transparent. D) The burst of energy carried by neutrinos is finally observed. E) Energy from the supernova's shock wave is released as it hits interstellar matter.
A long straight wire carrying 15. A is perpendicular to a 0.10 T field. Find the force per meter on the wire
What will be an ideal response?