According to the _____, the Moon broke from a rapidly spinning proto-Earth
A) condensation hypothesis
B) fission hypothesis
C) capture hypothesis
D) large-impact hypothesis
B
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A satellite orbits the Earth once every 6.0 hours in a circle. What are the magnitude and direction of the acceleration of the satellite? (G = 6.67 × 10-11 N ? m2/kg2, Mearth = 5.97 × 1024 kg)
What will be an ideal response?
An electron is in an infinite square well (a box) that is 8.9 nm wide. What is the ground state energy of the electron? (h = 6.626 × 10-34 J ? s, mel = 9.11 × 10-31 kg, 1 eV = 1.60 × 10-19)
A) 0.0048 eV B) 0.0057 eV C) 0.0066 eV D) 0.0076 eV E) 0.0085 eV
In an RLC series circuit, which of the following statements is true?
A. The current is in phase with the voltage across the inductor. B. The current is in phase with the voltage across the resistor. C. The current is in phase with the voltage across the capacitor. D. None of the choices are true.
Alkynes are hydrocarbons that characteristically have
a) one single bond between two hydrogen atoms. b) one double bond between two carbon atoms. c) one triple bond between two carbon atoms d) two double bonds between two pairs of carbon atoms.