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vichka [17]
4 years ago
7

When titanium bonds with oxygen, the ionic compound that forms has the chemical formula Ti2O3 and consists of Ti3+ ions and O2-

ions. Explain why the compound has this chemical formula.
Physics
1 answer:
Lesechka [4]4 years ago
7 0

hi!

just use cross method

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Can someone help with these
dedylja [7]

6.  0N.  This questions requires understanding of how friction functions.  Friction is a resistive force, meaning it opposes the direction of any applied or unbalanced forces.  The box in the question experiences no horizontal force, so there is no resistive force in response to it, making it 0N.


7.  This question tests your understanding of static friction.  Static friction only applies when an applied or unbalanced force is applied to an object which does not move.  The static friction always equals the magnitude of the applied or unbalanced force component parallel to the surface which the object rests on.  The question states that the crate starts to move only when the applied force exceeds 313N, so we use this value to determine the force of static friction.  The additional info in the question pertaining to when the crate is moving is irrelevant when determining static friction (only relevant if determining kinetic friction).  Knowing this we solve for the weight of the crate:

F = mg

F = (45)(9.8)

F = 441N = Normal Force

The weight of the crate is also equal to the Normal Force since the object rests on a horizontal surface and the applied force is horizontal as well.  In this question, since the object is not moving at 313N of applied force, the magnitude of static friction equals the applied force:

Ff = μs * Fn

(313) = μs (441)

0.71 (rounded) = μs


4 0
3 years ago
Read 2 more answers
If two objects are moved farther apart, the force of gravity between them will
Agata [3.3K]
It's Decrease or cease to exist, but I'm leaning more towards decrease.
6 0
3 years ago
James is lifting a weight of 10 kg. He is doing work
Goshia [24]
Against the force of gravity
7 0
3 years ago
Read 2 more answers
Which of the following statements about Copernicus' heliocentric model of the Solar System are accurate?
Minchanka [31]

Answer:

(i) It was the first such model was supported by scientific evidence: FALSE

(ii) It was not published until Copernicus was close to death: TRUE

(iii) It was the first time a heliocentric model had ever been suggested: FALSE

(iv) It was not controversial, and was readily accepted: FALSE

(v) It stated that the Sun revolved around the Earth: FALSE

(vi) It stated that the Earth revolved around the Sun: TRUE

Explanation:

We proceed to demonstrate the validity of each option from statement:

(i) It was the first such model was supported by scientific evidence: FALSE

The geocentric model was based mostly on interpretation of two astronomical findings: (a) The displacement of the stars with respect to Earth due to stellar parallax, (b) The apparent consistency of brightness of the planet Venus seen from Earth.

(ii) It was not published until Copernicus was close to death: TRUE

Copernicus published his heliocentric theory, contained in the book <em>De revolutionibus orbium coelestium,</em> months before his death, in 1543.

(iii) It was the first time a heliocentric model had ever been suggested: FALSE

Greek mathematician and astronomer Aristarchus of Samos was the first person who proposed the heliocentric model in the 4th Century.

(iv) It was not controversial, and was readily accepted: FALSE

The Roman Catholic Church defended geocentric model proposed by Claudius Ptolemy and Tycho Brahe and rejected the model proposed by Copernicus, whose publication was included in the <em>Index Librorum Prohibitorum</em> in 1616.

(v) It stated that the Sun revolved around the Earth: FALSE

This is the main idea of the geocentric model.

(vi) It stated that the Earth revolved around the Sun: TRUE

This is the main idea of the heliocentric model.

5 0
3 years ago
A team of people who traveled to the North Pole by dogsled lived on butter because they needed to consume 6 000 dietitian's Calo
ladessa [460]

Answer:

The right solution is "50200 days".

Explanation:

Given:

Calories intake,

= 6000 kcal,

or,

= 2.52\times 10^7 \ J

Force,

= 500 N

As we know,

⇒ Work \ done = Force\times distance

Or,

⇒ distance = \frac{Work \ done}{Force}

By putting the values, we get

                  =\frac{2.52\times 10^7}{500}

                  =0.502\times 10^5

                  =50200 \ m

hence,

The number of days will be:

= \frac{50200}{1}

= 50200 \ days

5 0
3 years ago
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