The angular velocity of a black hole refers to the rate at which it rotates around its axis. This can be measured in terms of revolutions per unit time or radians per unit time.
The angular velocity of a black hole can be calculated using the formula ω = c^3/2GM, where c is the speed of light, G is the gravitational constant, and M is the mass of the black hole. This formula takes into account the effects of both gravity and the speed of light on the rotation of the black hole.
Yes, a black hole's angular velocity can change over time. This can occur due to various factors such as the accretion of matter or mergers with other black holes. However, the change in angular velocity would be very small and difficult to measure.
There is currently no evidence to suggest that the expansion of a black hole is feasible. In fact, according to the laws of physics, a black hole cannot expand on its own. Any change in size would require external factors such as the accretion of matter.
Yes, the angular velocity of a black hole can have an impact on its surroundings. For example, if the black hole is spinning fast enough, it can create a strong gravitational pull that can affect the motion of nearby objects and even distort space-time.