What are some of the properties of objects in the solar system that a theory of its origin DOES NOT need to account for? Explain
What will be an ideal response?
There are many answers to this: Mercury's spin-orbit coupling, Venus' runaway Greenhouse Effect, the Moon's synchronous rotation, the emergence of life on Earth and its absence on Mars, the Kirkwood gaps in the asteroid belt, and the rings and atmospheric appearance of the outer planets.
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Dimensional Analysis: When adding several quantities
A. the quantities can have any combination of units. B. the quantities must all have exactly the same units. C. the quantities must all be dimensionless.
An encounter in which a large galaxy absorbs a smaller galaxy is referred to as
A. "Galactic cannibalism". B. "Galactic assimilation". C. "Galactic absorption". D. "Galactic merger".
A sealed container holds 0.020 moles of ideal nitrogen (N2 ) gas, at a pressure of 1.5 atm and a temperature of 290 K. The atomic mass of nitrogen is 14.0 g/mol
How many molecules of nitrogen are in the container? (R = 8.31 J/mol ? K, 1 atm = 101 kPa) A) 1.5 × 1021 mol B) 3.0 × 1021 mol C) 6.0 × 1021 mol D) 1.2 × 1022 mol E) 2.4 × 1022 mol
A rifle bullet shot horizontally at a velocity of 9.8 m/s has a horizontal acceleration of ______________
Fill in the blank(s) with correct word