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Masteriza [31]
3 years ago
15

IM ON A TIMER! What are the main types of star clusters? Check all that apply.

Chemistry
2 answers:
jekas [21]3 years ago
8 0

There are globular and open star clusters, but there are no binary, eclipsing, or wobbling ones.


mojhsa [17]3 years ago
8 0

Answer:  

globular

open

Explanation:

A star cluster is a small group of stars found in galaxy. There are two types of star clusters:

Open and globular.

An open cluster contains about 100 stars. These are found in disk of galaxy. These are less dense group of stars containing  young one.

A globular cluster is has thousands of stars tightly packed together. These are found in halo of galaxy and contain relatively old stars.

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According to Archimedes' principle, the mass of a floating object equals the mass of the fluid displaced by the object. A 150-lb
julsineya [31]

Answer:

The density of the swimmer is 0.0342 lbm/in3.

This value makes sense as the density of the body is very similar to the water.

Explanation:

If the swimmers is floating, the weight of the swimmer must be equal to the upward buoyant force.

We can express the weight force as the product of density and volume of the swimmer.

Then

\rho_{swimmer}*V_{swimmer}=\rho_{water}*V_{water_displaced}\\\\\rho_{swimmer}*V_{swimmer}=\rho_{water}*0.95**V_{swimmer}\\\\\rho_{swimmer}=0.95*\rho_{water}\\\\\rho_{swimmer}=0.95*0.036 lbm/in3\\\\\rho_{swimmer}=0.0342lbm/in3

It makes sense as the density of the body is very similar to the water.

5 0
3 years ago
Fill in the sentences below to explore the process by which a storm becomes a hurricane. some terms may be used more than once.
Reptile [31]

Answer:

The sentences which are made by the given sentences are as :

Wind speeds are below 38 miles per hour, this feature represents the tropical depression.

Explanation:

Here in the question it has been mentioned to form the sentences with the given one:

  • Wind speeds are below 38 miles per hour, this feature represents the tropical depression.
  • A tropical disturbance leads to an array of clouds which are disorganized    also there are thunderstorms with no rotation or little rotation with it.
  • When the winds are blowing at a speed of 38 and 74 miles per hour then it is called as a tropical disturbance.
  • 74 miles per hour should be the blowing speed of storm in order to consider it to be a Hurricane.
  • When the storm reaches a tropical storm stage it gets its name.
  • All of the storms which get occurred from time to time, among them half or even all get converted into a Hurricane.

These are the sentences which are made by exploring the whole process and by which a storm becomes a Hurricane.

5 0
3 years ago
Why is it important for organelles to double during the G2 phase of the cell cycle?
boyakko [2]

Explanation:

so then we would know about the reproduction system and how we are born and what happens with the cells inside the womens womb and how the sperm cell meets the egg cell and creates the egg

6 0
3 years ago
What is the atomic number of an atom that has fie neutrons and four electrons
Natali [406]

Answer:

4

Explanation:

3 0
3 years ago
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Explain how a substances flammability can indicate a chemical change.
Marat540 [252]

Answer:

This is simple, if it has a high flammability, and you light it on fire, then that would be a chemical change.

Explanation:

May I have brainliest please? :)

4 0
3 years ago
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