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viktelen [127]
2 years ago
5

A galaxy that is a featureless spherical ball of stars would be called a type

Physics
1 answer:
satela [25.4K]2 years ago
7 0

Answer:

E0

Explanation:

Yes. The "0" indicates that it is spherical

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Topic Gravitational force amd firld strength.. help me please
I am Lyosha [343]

The gravitational force between <em>m₁</em> and <em>m₂</em> has magnitude

F_{1,2} = \dfrac{Gm_1m_2}{x^2}

while the gravitational force between <em>m₁</em> and <em>m₃</em> has magnitude

F_{1,3} = \dfrac{Gm_1m_3}{(15-x)^2}

where <em>x</em> is measured in m.

The mass <em>m₁</em> is attracted to <em>m₂</em> in one direction, and attracted to <em>m₃</em> in the opposite direction such that <em>m₁</em> in equilibrium. So by Newton's second law, we have

F_{1,2} - F_{1,3} = 0

Solve for <em>x</em> :

\dfrac{Gm_1m_2}{x^2} = \dfrac{Gm_1m_3}{(15-x)^2} \\\\ \dfrac{m_2}{x^2} = \dfrac{m_3}{(15-x)^2} \\\\ \dfrac{(15-x)^2}{x^2} = \dfrac{m_3}{m_2} = \dfrac{60\,\rm kg}{40\,\rm kg} = \dfrac32 \\\\ \left(\dfrac{15-x}x\right)^2 = \dfrac32 \\\\ \left(\dfrac{15}x-1\right)^2 = \dfrac32 \\\\ \dfrac{15}x - 1 = \pm \sqrt{\dfrac32} \\\\ \dfrac{15}x = 1 \pm \sqrt{\dfrac32} \\\\ x = \dfrac{15}{1\pm\sqrt{\dfrac32}}

The solution with the negative square root is negative, so we throw it out. The other is the one we want,

x \approx 6.74\,\mathrm m

5 0
2 years ago
What are all things made of:<br> a) atoms<br> b) elements<br> c) air
snow_lady [41]
The answer is A. Atoms. You're welcome. ;)
7 0
2 years ago
Read 2 more answers
A plane travels 5.0 X 10^2 m while being accelerated uniformly from rest at the rate of
Crank

Answer:

The final velocity of the plane is 100 m/s.

Explanation:

To solve this problem, we will use one the kinematics equations.  First, let's write out what information we have given and what we are trying to find.

x = 5.0 * 10^2 m

a = 5.0 m/s^2

v1 = 0 m/s (starts from rest)

v2 = ? (we are trying to find the final velocity)

Using the variables listed above, we can select the following equation to use:

v2^2 = v1^2 + 2ax

Now, we should plug in our known values and isolate the unknown variable.

v2^2 = 0 + 2(10)(500)

To solve for the velocity, we should take the square root of both sides of the equation to get rid of the square on the left side of the equation.

v = sqrt(10,000)

Now, we must simplify the right side of the equation to solve for v (the unknown variable).

v = 100 m/s

Therefore, your answer is 100 m/s.

Hope this helps!

7 0
2 years ago
THE FIRST TO ANSWER WILL GET BRAINLIEST!!!! Compare and contrast the three main layers of the earth.
Viefleur [7K]

Answer:

The first layer is the crust a very thin layer compared to any other

the second layer is the mantal there is 2 parts to the matal there is a solid mental and a hard mental

the last part is the core the most dense part of earth

Explanation:

4 0
2 years ago
when two capacitor 3muF and 6muF are connected in a parallel and combination is charged to a potential of 120 volt the potential
Lunna [17]

Answer:

V₁ = V = 120 V

Explanation:

Such a combination of capacitors in which;

1- Potential difference across each capacitor is the same

2- Total charge is distributed amongst the capacitors

; is called Parallel Combination.

Therefore, in this case, the potential difference across each capacitor will also be the same. Because the capacitors are connected in parallel here. So the voltage across 3 μF capacitor will be the same as the voltage across the 6 μF capacitor and they both will be equal to the total potential difference.

<u>V₁ = V = 120 V</u>

4 0
2 years ago
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