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The two stars in a binary star system have m a s se s 2.2 times 1030kg and 6.1 t

ID: 2110437 • Letter: T

Question

The two stars in a binary star system have m a s se s 2.2 times 1030kg and 6.1 times 1030kg. They are separated by 2.5 times 1012m. What is the system's rotation period, in years? Express your answer to two significant figures and include the appropriate units. What is the speed of the lightest star? Express your answer to two significant figures and include the appropriate units. What is the speed of the heaviest star? Express your answer to two significant figures and include the appropriate units.

Explanation / Answer

A.Time period= where a is distance between stars and G is gravitational constant and M is mass of sun.Hence T=33 years 166 days.

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The two stars in a binary star system have masses 2.0×1030 kg and 6.4×1030 kg .

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