The instability strip shows that not all main-sequence stars are, in fact, stable
Indicate whether the statement is true or false
FALSE
Physics & Space Science
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General Relativity is Einstein's theory of ________
Fill in the blank(s) with correct word
Physics & Space Science
A 1500-W heater is connected to a 120-V line for 2.0 hours. How much heat energy is produced?
A) 11 MJ B) 3.0 kJ C) 0.18 MJ D) 1.5 kJ
Physics & Space Science
Company X increases its profits every year by $50 million. Its growth in profits is
A) Parabolic. B) Quadratic. C) Exponential. D) Linear.
Physics & Space Science
The rest energy of an electron and its antiparticle, a positron, is 0.511 MeV. In order to produce an electron-positron pair, a gamma ray must have an energy larger than 1.022 MeV because of
a. time dilation. b. length contraction. c. the equivalence of mass and energy. d. the principle of relativity. e. none of the above.
Physics & Space Science