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miskamm [114]
4 years ago
10

Hey can someone answer this in 2 paragraphs It is in the comment section

Physics
2 answers:
Assoli18 [71]4 years ago
8 0
What is the question???
kobusy [5.1K]4 years ago
6 0
What is the question? paste it in the comments and i can possibly help! :)
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How to measure the density of a white dwarf if its diameter is 1000 km and weighs 10³⁰ kg?
Afina-wow [57]

Well, first of all, 10³⁰ kg is its mass, not its weight.

-- Density of anything is (its mass) divided by (its volume).

-- You know the white dwarf's mass.

-- The volume of any sphere is  (4/3) (pi) (radius)³

-- The radius is  1/2  of the diameter.

--  Now you have the ball.  Run with it.

I did it quickly and got  (1.91 x 10¹²) kilogram/meter³ .
That may be wrong.  You have to check it.  And even
if it's correct, you probably want to express density in
units of gram/cm³ the way everybody always does.

6 0
3 years ago
Water is drawn from a well in a bucket tied to the end of a rope whose other end wraps around a solid cylinder of mass 50 kg and
sleet_krkn [62]

Answer:

\alpha=78.4\ rad.s^{-2}

Explanation:

Given:

  • mass of solid cylinder, m=50\ kg
  • diameter of cylinder, d=0.25\ m
  • mass of bucket of water, m_w=20\ kg

<em>When the bucket is released to fall in the well, it fall under the acceleration due to gravity.</em>

We have formula for angular acceleration as:

\alpha=\frac{g}{r}

where:

g = acceleration due to gravity

r = radius of the cylinder

\aplha=\frac{9.8}{0.125}

\alpha=78.4\ rad.s^{-2}

4 0
3 years ago
Please help me I need it ASAP! PLEASE!!
GarryVolchara [31]

Answer:

kinetic energy is the answer

8 0
3 years ago
Read 2 more answers
ONLY GIRLS THAT DO THIS PLEASE ANSWER my questions ONLY IF YOU ARE A GIRL QND DO THIS THO if your a guy please EXIT THIS QUESTIO
adoni [48]

Answer:

Here Are Some Tanning Bed Tips For Beginners To Help You Get The Most .Knowing your skin type before you tan can help you to do so safely and help . If you want to ensure you get a quality tan, you first need to be certain your . Obviously, if you wear a bathing suit, you'll get tan lines from the suit. Apply indoor tanning lotion evenly in a circular motion and over all areas of the body. Using the right skin care products is the best way to extend the life of your tan.  Note that lotions not made for indoor tanning can cause damage to tanning beds and don't help develop your tan. So what (if anything) should you wear? There are a lot of different views on this particular question, and it all comes down to one very simple answer: wear whatever you are comfortable in. If you wear your bathing suit every time, you will have tan lines that reflect that, but that's your choice.

Explanation:

7 0
3 years ago
A mountain climber increases their height from 200 meters to 400 meters. What affect will this have on their potential energy?
Yanka [14]

Answer:

At 400 m the potential energy of the mountain climber doubled the initial value.

Explanation:

Given;

initial height of the mountain climber = 200 m

final height of the mountain climber, = 400 m

The potential energy of the mountain climber is calculated as;

Potential energy, P.E = mgh

At 200 m, P.E₁ = mg x 200 = 200mg

At 400 m, P.E₂ = mg x 400 = 400mg

Then, at 400 m, P.E₂ = 2 x 200mg = 2 x P.E₁

Therefore, at 400 m the potential energy of the mountain climber doubled the initial value.

4 0
3 years ago
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