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vodka [1.7K]
4 years ago
12

Cosmologist study ____

Physics
2 answers:
Anastasy [175]4 years ago
7 0

Answer:

Cosmology is the study of size and structures of the universe

Explanation:

Cosmology is the branch of physics that deals with the study of the physical origins and how the universe evoluate .It also study the nature of the Universe on a large scale properties how the universe started and how it was structured.

Cosmology was dominated by Big Bang theory.

Firlakuza [10]4 years ago
5 0
The origin and development of the universe
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A cat, walking along the window ledge of a new york apartment, knocks off a flower pot, which falls to the street 280 feet below
Harlamova29_29 [7]
H = 280 ft, the height of the flower pot.
g = 32 ft/s²

Neglect air resistance.
Note that 1 ft/s = 15/22 mi/h

The initial vertical velocity is zero.
Let v =  the velocity with which the flower pot hits the ground.
Then
v² = 2gh
    = 2*(32 ft/s²)*(280 ft)
    = 17920 (ft/s)²
v = 133.866 ft/s

Also,
v = (133.866 ft/s)*(15/22 (mi/h)/(ft/s)) = 91.272 mi/h

Answer:  133.9 ft/s or 91.3 mi/h

5 0
3 years ago
Which platform has touch controls?
Crazy boy [7]
I think C but not sure
8 0
4 years ago
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A 110 V power line is protected by a 15 A fuse. What is the maximum number of 400 W lamps that can be simultaneously operated in
Nitella [24]

Answer:

Total number of lamps will be 4            

Explanation:

We have given power of the lamp W = 400 watt

Potential difference across the lamp V=110 volt

We know that power is equal to P=VI

So 400=110\times I

I=3.636A

Total current is given 15 A

As it is given that lamps are connected in parallel so total current is the sum of current through each lamp

So number of lamp will be n=\frac{15}{3.636}=4.125

As the lamp can not be in negative

So total number of lamps will be 4

5 0
3 years ago
Which of the following is NOT a type of acceleration?
otez555 [7]
It’s C because just trust
5 0
3 years ago
There are several ways to model a compound. One type of model is shown. 4 C's are connected in a line by 3 black lines. The C on
stealth61 [152]

Answer:

The chemical formula for the molecule is C_4H_9O_2

Explanation :

Molecular formula : It is the chemical formula which depicts the actual number of atoms of each element present in the compound.  

Structural formula : It is a formula in which the lines are used between the bonded atoms and the atoms are also shown in the structural formula.

In the structural formula, the lines are used between the atoms.

As per given information of compound we conclude that, there are 4 carbon atoms, 9 hydrogen atoms and 2 oxygen atoms.

Thus, the chemical formula for the given molecule will be,  C_4H_9O_2

7 0
3 years ago
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