Examlex
You observe a binary star system and find that star 1 has a velocity of 20 m/s while star 2 has a velocity of 40 m/s.What is the ratio of masses of the two stars (M1/M2)? If you find that the separation of the two stars is 0.5 AU and the orbital period is 70 days, then what are the individual masses of the two stars?
System of Linear Equations
A set of linear equations with the same variables; the solution is the set of values that satisfies all equations simultaneously.
Matrix
A rectangular array of numbers or expressions arranged in rows and columns that can be used to solve systems of linear equations, among other applications.
Linear Inequalities
Algebraic expressions that deal with the comparison of linear expressions, using inequality signs like <, >, ≤, or ≥.
Graph
A graphic representation illustrating the framework of associations or linkages between several entities by utilizing unique elements such as dots, lines, and bars.
Q20: Explain why it is impossible to find
Q39: Photons have no mass, and Einstein's theory
Q41: Why did the terrestrial planets lose the
Q49: Why does the temperature decrease as you
Q53: What influence do pairs of shepherd moons
Q76: The interstellar medium is divided into three
Q76: In addition to the visible light that
Q76: If you observe a maximum number of
Q83: When do the predictions of special relativity
Q88: The stars that have the largest radii