If the Schwarzschild radius of a 2-M_ε black hole is 6 km, what is it for a 5-M_ε black hole?

Name: If the Schwarzschild radius of a 2-M ε black hole is 6 km, what is it for a 5-M ε black hole?
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Question

Quizplus · Accepted Answer

The Schwarzschild radius is directly proportional to the mass of the black hole. Since the mass of the new black hole is 2.5 times bigger than the original (2 to 5), the Schwarzschild radius will also be 2.5 times bigger. Therefore, the answer is 2.5 x 6 km = 15 km.

If the Schwarzschild Radius of a 2-Mε Black Hole Is

If the Schwarzschild Radius of a 2-M_ε Black Hole Is