What is a black hole. Explain
Q: Which mathematical quantity is imagined to be present at the center of a black hole? a) Unity b)…
A: Answer:- Option (b) correct. Singularity
Q: How does the lighthouse model explain pulsars? in two sentences.
A: Pulsars are spinning neutron stars that emit beams of radiation from their magnetic poles
Q: How can a black hole emit X-rays?
A: Black holes are regions of high gravity in spacetime. Once a black hole is formed it will start…
Q: 2) What happens when one of the star ina binary system becomes a black hole.
A: Binary systems are two astronomical bodies that orbit each other around a common center of mass. If…
Q: Now look at the two images labeled "At a distance of 2.5M" and "At a distance of 2.1M". These show…
A: The mass of the black hole is so massive that even light can’t escape from it. A black hole is a…
Q: Place the large black ball (black hole) in the center of the sheet. Experiment with different sized…
A:
Q: What is the Lorentz force?
A: Lorentz force
Q: is the Hawking equation that describes radiation from black holes: TAkc3 2hG Where: S- entropy (J/K)…
A:
Q: A star is observed to move away from us at a speed of 2.8km/s. How far is the star ? Express your…
A: Given : speed of star 2.8km/s
Q: Explain Lorentz force.
A: Lorentz force can be defined as the entire electromagnetic force experienced by a charged particle…
Q: Why is a black hole invisible?
A: A black hole is a region in space where the pulling force of gravity is so strong that light is not…
Q: Why black holes are difficult to observe directly?
A: In supernova the collapse of massive stars core form a black hole. In space , a Black hole is a…
Q: Define special relativity and give an example
A: Special relativity is a theory of physics developed by Albert Einstein in 1905. It describes the…
Q: What role do black hole thermodynamics and the laws of black hole mechanics play in linking general…
A: Approach to solving the question:Rational Detailed explanation:Black hole thermodynamics is the…
Q: Which of the following observatories is most likely to discover a black hole in a binary system? A.…
A: A binary system is defined as a system in which two objects revolve around each other, having a…
Q: What does it mean if a particle does not curve inside the chamber? What is bremsstrahlung and why…
A: A charged particle detector used in combination with a high-energy particle accelerator is known as…
Q: What are the only things we can tell about the nature of the material within a black hole?
A: Balck hole can be defined as a region in spacetime with the strongest gravitational force. The…
Q: How can we “observe” a black hole if neither matter nor radiation can escape from it?
A: Given: Black hole
Q: How can black holes lead to parallel universes? And how do black holes lead to parallel universes?
A: The concept of black holes leading to parallel universes is rooted in theoretical physics and the…
Q: Calculate the mass of a black hole at room temperature.
A: Black holes are regions of space-time where the gravity is very large that nothing, not even light…
Q: an introduction on what is the event horizon of a black holes?
A: The occasion horizon of a black hollow is a essential idea in astrophysics that marks the boundary…
Q: search for observational evidence of black holes began in the early a. 1890s. b. 1930s. c.…
A: Observational evidence of black holes : Black holes was first predicted by Albert Einstein in 1916 .…
Q: 28) How accretion disk surrounding the black hole helps in its detection?
A: Black holes are generated when supermassive stars die. The gravitational collapse is so large that…
Q: What would happen if you were to jump feet first into a black hole?
A: If we jumped in feet first into a blackhole, we would be torn into pieces via the process of…
Q: How can a black hole be massive but not big?
A: A blackhole is a region in space which have an extremely high gravitational field so that even light…
Q: 1- can we obtain energy from a Votating black hole ?
A: Einstein's theory of general relativity , the theory that connects space, time, and gravity predicts…
Q: At time t the resultant force on a particke, of mass 250kg is (300ti-400tj)N. Initially the particle…
A: Given data: Mass of particle m = 250kg Resultant force F = (300t i - 400t j )N Velocity of…
Q: Homework help How much energy would be released if a space probe of mass 165 kilograms fell onto…
A: As per Stephen Hawking, when matter falls into a black hole, the same amount of energy is radiated…
What is a black hole. Explain
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- (Astronomy) Schwarzschild Radius. Part A: Find the Schwarzschild radius for the least massive black hole. Part B: Is your calculated value greater than, the same as, or smaller than the diameter of a typical neutron star and the diameter of Manhattan, New York, which is around 10.9 km?What would you have to do to make earth a black hole ?Explain Galilean principle of relativity.
- F2 Which of the following can a black hole not "eat" or consume? #3 E another black hole a planet black holes can eat anything O a cloud of gas and dust O a star F3 $ 4 R F4 Q Search DII % 5 F5 T L ☀ < F6 6 Y ☀ F7 & 7 PrtScn U F8What does a black hole sound like?The hydrogen Balmer line Hβ has a wavelength of 486.1 nm in the laboratory. It is observed in a quasar at 2430.5 nm. What is the redshift of this quasar? a. 5 b. 0.5 c. 0.25 d. 4 e. 1944.4
- A spaceship is located around 2.6×10¹³ km from the black hole Messier 87. It has a mass of 6.6 billion suns. How long will their day last compared to a day on Earth?Explain what is meant by the Schwarzschild radius of a black hole. Using a Newtonian approx- imation, derive an expression for the Schwarzschild radius, R, of a black hole of mass MBH- Calculate the Schwarzschild radius for a body with mass equal to the Sun's mass, and express your answer in units of kilometres.Gravitational forces are affected by two variable. List these two variable and indicate how they can lead to the formation of black holes. Use the word "event horizon" in your answer and indicate what it means.