Sirius A and Sirius B constitute a binary star pair in which the stars orbit their common center of mass with a period of 49.9 years. The stars are 2.40 1012 m apart.
Assume that the two stars have equal masses and that they move in a circle about their common center of mass. What is the mass of each star? G = 6.67 x 10-11 Nm2/kg2. A) 5.41 1030 kg
B) 2.70 1030 kg
C) 7.55 1030 kg
D) 3.30 1030 kg
E) 1.65 1030 kg
Question 2
Two coherent light sources are characterized by
A) having the same amplitude.
B) having the same frequency.
C) having the same wavelength.
D) having the same velocity.
E) having the same frequency and maintaining a constant phase difference.
The Eastern Banjo Frog is a common frog species across eastern Australia.
Common invasive species in the Adelaide Hills: Olive, Artichoke thistle, Fennel and Bamboo
A Mass-Loss Star
Common Laboratory Tests and Their Normal Values
Common touch sensations.
Cooperative Care: A pair of Caspian terns cooperate in caring for their chick.