🧠Mixed10 questions
Escape Velocity Calculator Quiz
Test your understanding of escape velocity calculator with randomized questions. Each attempt generates new numbers for a fresh challenge.
Skip the math — use the calculator
Open Calculator1 / 10
The escape velocity of a black hole is equal to the speed of light ($3 \times 10^8$ m/s). If a giant star with mass $M = 8 \times 10^{30}$ kg collapses, at what radius (in km) does its escape velocity equal the speed of light? (Use $G = 6.67 \times 10^{-11}$)