17. Periodic Motion
Spring Force (Hooke's Law)
17. Periodic Motion Spring Force (Hooke's Law)
9PRACTICE PROBLEM
The first black hole, Cygnus X-1, was identified by several researchers in 1971. They observed a chunk of matter orbiting around Cygnus X-1 once every 5 ms at a speed of 1.49 × 108 m/s. What is the distance r between the chunk of matter and the center of the black hole?
The first black hole, Cygnus X-1, was identified by several researchers in 1971. They observed a chunk of matter orbiting around Cygnus X-1 once every 5 ms at a speed of 1.49 × 108 m/s. What is the distance r between the chunk of matter and the center of the black hole?