1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
mr_godi [17]
3 years ago
6

What is a black hole's escape velocity?

Physics
1 answer:
Igoryamba3 years ago
8 0
<h2><u>ANSWER</u></h2>

The simplest definition of a black hole is an object that is so dense that not even light can escape its surface. If we squished the Earth's mass into a sphere with a radius of 9 mm, the escape velocity would be the speed of light. Just a wee-bit smaller, and the escape velocity is greater than the speed of light.

HopeItHelps!

You might be interested in
7. A child pulls a sled up a snow-covered hill. The child does 360 J of
Arlecino [84]

Answer:

The child fell off and died.

8 0
3 years ago
Read 2 more answers
Astronauts need sophisticated spacesuits to protect them from the harsh conditions of space. These spacesuits are very heavy for
Norma-Jean [14]

Answer:

I think it’s c

Explanation:

7 0
3 years ago
When a spring is compressed, the energy changes from kinetic to potential. Which best describes what is causing this change?
vredina [299]

Answer:

gravitational energy

Explanation:

8 0
3 years ago
Read 2 more answers
Why are the alkali metals likely to react with group 17 elements?
Rudiy27

Answer:

Because alkali metals are so reactive, they are found in nature only in combination with other elements. They often combine with group 17 elements, which are very “eager” to gain an electron.

Explanation:

hope this helps you if it does please mark brainliest

7 0
3 years ago
How are Earth and Venus similar? How is Venus different from Earth? (Provide two similarities and two differences.)
Alika [10]
Venus shares a similar size, surface composition, and has an atmosphere with a complex weather system. Venus is different from Earth because it spins the opposite direction of Earth and it’s rotation is very slow.
8 0
3 years ago
Other questions:
  • A Cessna 172 aircraft must reach a speed of 35 m/s for takeoff. How long of a runway is needed if the acceleration of the aircra
    11·1 answer
  • On April 26, 1939, Great Britain did this in response to Hitler's aggressive moves?
    11·1 answer
  • A projectile has a speed of √ gm/3r directed away from a planet, when it is a distance of 4R from the center of the planet. the
    15·1 answer
  • Blocks A (mass 2.00 kg) and B (mass 6.00 kg) move on a frictionless, horizontal surface. Initially, block B is at rest and block
    11·1 answer
  • Describe the type of energy transfers that occur in photosynthesis
    12·1 answer
  • Q
    13·1 answer
  • Define Kinetic Energy:
    10·2 answers
  • Which statement best describes the arrangement of electrons in an atom of fluorine (F)?
    10·1 answer
  • In which situation does the reactive force between two colliding objects cause a physical change? (1 point)
    8·1 answer
  • Distinguishing Types of Mirrors<br> Light is coming from the left; which is a concave mirror?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!