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3 years ago

How do black holes grow?

Physics

1 answer:

MariettaO [177]3 years ago

3 0

Answer:

Black holes of stellar mass are expected to form when very massive stars collapse at the end of their life cycle. After a black hole has formed, it can continue to grow by absorbing mass from its surroundings.

Explanation:

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PLEASE HELP ME WITH THESE QUESTIONS!

olga_2 [115]

The three scales are fahrenheit, celsius, and kelvin.
<span><span>
Fahrenheit Celsius </span><span>Fahrenheit (F)F(F - 32) * 5/9
</span><span><span>Celsius (C or o)</span>(C * 9/5) + 32C
</span><span>Kelvin (K)(K - 273.15) * 9/5 + 32<span>K - 273.15

</span></span></span>One degree Celsius is a bigger unit of measurement than one degree Fahrenheit. One degree C equals 1.8 degrees F.

<span>Normal body temp is 98.6 F, which converts to 37 C. If your temp increased 2 degrees F, it would be 100.6, which is a fairly mild fever. An increase of 2 degrees C is 39, or 102.2 F. Obviously, 102.2 is a higher fever than 100.6.</span><span>

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8 0

3 years ago

Alexandra is attempting to drag her 32.6 kg golden retriever across the wooden floor by applying a horizontal force. What force

vichka [17]

Answer:

230.26 N

Explanation:

Since the speed is constant, acceleration is zero hence the net force will be given by the product of mass, coefficient of friction and acceleration due to gravity

F=0.72*32.6*9.81=230.26 N

7 0

3 years ago

Consult Multiple-Concept Example 5 for insight into solving this problem. A skier slides horizontally along the snow for a dista

antoniya [11.8K]

The initial velocity of the skier is 4.5 m/s

Explanation:

There is only one force acting on the skier in the horizontal direction, and it is the force of friction, whose magnitude is

$F_f = -\mu_k mg$

where

$\mu_k = 0.050$ is the coefficient of kinetic friction

m is the mass of the skier

$g=9.8 m/s^2$ is the acceleration of gravity

The negative sign is due to the fact that the direction of the force of friction is opposite to the direction of motion of the skier.

According to Newton's second law, the net force acting on the skier is equal to the product between his mass and his acceleration, so we can write:

$F=ma\\ \rightarrow -\mu_k mg = ma$

So, the acceleration of the skier is

$a=-\mu_k g$

Now we can apply the following suvat equation to find the initial velocity of the skier:

$v^2-u^2=2as$

where

v = 0 is the final velocity (he comes to a stop)

u is the initial velocity

s = 21 m is the displacement

a is the acceleration

Substituting the equation for the acceleration and solving for u, we find

$u=\sqrt{v^2-2as}=\sqrt{-2(-\mu_k g) s}=\sqrt{2(0.050)(9.8)(21)}=4.5 m/s$

Learn more about accelerated motion here:

brainly.com/question/9527152

brainly.com/question/11181826

brainly.com/question/2506873

brainly.com/question/2562700

#LearnwithBrainly

5 0

3 years ago

A ____ is a region where jets of gas from young stars impact and heat the gas surrounding the young star.

podryga [215]

Answer:

Hi, There! my name is Jay And I'm here to help!

<h2>Question</h2>

A ____ is a region where jets of gas from young stars impact and heat the gas surrounding the young star.

<h2>Answer</h2>

bipolar outflow

Explanation:

A bipolar outflow is a stream of matter in two opposing directions from a object, Most likely a star.

-------------------------------------------------------------------------------------------------------------

Hope this Helps!

Take Care!

Have a great day!

$-Jay-$

3 0

3 years ago

Read 2 more answers

The plane flight covers 400 miles in the first hour. As you approach the landing site, it takes you an hour to cover the last 20

9966 [12]

Miles per hour is velocity so I agree with you. Without seeing any associated question, though, it's hard to say. If the question is, find the average velocity, then velocity is correct. But since change in velocity is negative, that is also negative acceleration.

3 0

4 years ago

Read 2 more answers