Answers: 3
Physics, 22.06.2019 13:30, kuddlebugsmommy
The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
Answers: 1
Physics, 22.06.2019 15:10, Bgreene2377
Suppose that f : rn ā rm and that a ā k, where k is a connected subset of rn . suppose further that for each x ā k there exists a Ī“x > 0 such that f(x) = f(y) for all y ā bĪ“x (x). prove that f is constant on k; that is, f(x) = f(a) for all x ā k
Answers: 1
Physics, 22.06.2019 19:30, cecelia090
Another word for electromagnetic energy is a. heat b. force c. matter d. radiation
Answers: 1
Physics, 22.06.2019 20:00, maciemarklin79981
Positive ions differ from neutral atoms in that
Answers: 3
A weight-lifter raises a 2000N weight through a vertical height of 2.0m in 0.80s.
What useful powe...
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