Two vectors A and B have components (0, 1, 2 ) and (-1, 3, 1), respectively
(a) Determine the components of the sum of these two vectors.
(b) Determine the magnitude of the sum of these two vectors.
(a) (-1, 4, 3 )
(b) 5.1
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The greenhouse effect produces excess heat in a planet's atmosphere by
a. trapping infrared radiation from escaping into space. b. clouds blocking the surface from receiving any infrared radiation. c. preventing light gases from escaping into space. d. trapping ultraviolet light in the upper atmosphere of the planet.
Applications to Astronomy: In terms of the mass M of our sun, what is the Chandrasekhar limit of stellar mass, below which a star will eventually collapse into a white dwarf?
A. 0.8 M B. 1.2 M C. 1.4 M D. 1.9 M
Describe what a scientific test of astrology would involve
What will be an ideal response?
Estimate the maximum rotational energy (in electron-volts) for a free and freely-spinning diatomic hydrogen molecule in the L = 2 quantum state
The equilibrium separation for the atoms in the H2 molecule is 0.075 nm. (1 eV = 1.60 × 10-19 J, mproton = 1.67 × 10-27 kg, h = 6.626 × 10-34 J ? s) A) 0.044 eV B) 0.011 eV C) 0.022 eV D) 0.033 eV