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3 years ago

If the world was not tilted, what would happen to the people living on Earth

Physics

2 answers:

Lerok [7]3 years ago

8 0

Answer:

Image result for If the world was not tilted, what would happen to the people living on Earth

If the Earth weren't tilted on its axis, there would be no seasons. And humanity would suffer. When a Mars-size object collided with Earth 4.5 billion years ago, it knocked off a chunk that would become the moon. It also tilted Earth sideways a bit, so that our planet now orbits the sun on a slant

Explanation: i looked up the answer

raketka [301]3 years ago

8 0

Answer:

we would all maybe fall are sink in to the ground.

Explanation:

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a. A beam of light is incident from air on the surface of a liquid. If the angle of incidence is 26.7° and the angle of refracti

Diano4ka-milaya [45]

Answer:

(a). The critical angle for the liquid when surrounded by air is 44.37°

(b). The angle of refraction is 26.17°.

Explanation:

Given that,

Incidence angle = 26.7°

Refraction angle = 18.3°

(a). We need to calculate the refraction of liquid

Using Snell's law

$n=\dfrac{\sin i}{\sin r}$

Put the value into the formula

$n=\dfrac{\sin 26.7}{\sin 18.3}$

$n=1.43$

We need to critical angle for the liquid when surrounded by air

Using formula of critical angle

$C=\sin^{-1}(\dfrac{1}{n})$

Put the value into the formula

$C=\sin^{-1}(\dfrac{1}{1.43})$

$C=44.37^{\circ}$

(b). Given that,

Incidence angle = 37.5°

Speed of light in mineral $v=2.17\times10^{8}\ m/s$

We need to calculate the index of refraction

Using formula of index of refraction

$n=\dfrac{c}{v}$

Put the value into the formula

$n=\dfrac{3\times10^{8}}{2.17\times10^{8}}$

$n=1.38$

We need to calculate the angle of refraction

Using Snell's law

$n=\dfrac{\sin i}{\sin r}$

$\sin r=\dfrac{\sin i}{n}$

Put the value into the formula

$\sin r=\dfrac{\sin 37.5}{1.38}$

$r=\sin^{-1}(\dfrac{\sin 37.5}{1.38})$

$r=26.17^{\circ}$

Hence, (a). The critical angle for the liquid when surrounded by air is 44.37°

(b). The angle of refraction is 26.17°.

3 0

3 years ago

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HELP ASAP due in 5m

Papessa [141]

Answer:

I belive it is the one at the bottom of the table visable in the picture with 27.4 radioactive age

Explanation:

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3 years ago

A formant is _________.

Stolb23 [73]

Answer:

Our final answer is option (c) that is :

A resonant mode of your vocal tract.

Explanation:

Lets understand pitch of a sound first:

Pitch: Is the rate of vibrations produced and also the degree of lowness and highness of a tone.

Pitch formant:

When we take air inside our vocal tract it oscillates at different pitches depending upon the cast and capacity of the opening of the vocal tract.

Formant comes from the vocal tract and also at a resonance of our vocal tract.

So basically the vocal tract play a vital role for the formant.

Final answer is : A formant is a resonant mode of our vocal tract.

3 0

3 years ago

Which of the following is not an example of bias

neonofarm [45]

Answer:

Explanation:

The writers are from a trusted source that is considered impartial. The message is backed up by scientific investigation, and the writers have no monetary gain from their message.

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3 years ago

What are the two <br>factors in which weight of object depends?

insens350 [35]

Answer:

An object's weight depends on its mass (the amount of matter it consists of) and the strength of the gravitational pull.

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3 years ago

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