Answer:
Explanation:
The star is revolving the black hole like earth revolves around the sun .so time period of rotation T is given by the following relation
T² =
, R is distance between black hole and star , M is mass of black hole
Given T = 4.8 hours
4.8² = 
Using the same equation for earth sun system
24² =
, Ms is mass of the sun and 50R is distance between the sun and the earth .
Dividing the equation
= 
= 2x 10⁻⁴
The answer is 2000 I need 20 characters do djrjrkrir
Answer:
-0.056 is the deceleration
Answer: b
Explanation: did the quiz got it right