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3 years ago

20 points Which BEST replaces the question mark? In Saudi Arabia, __________?

1 answer:

dsp733 years ago

3 0

<span>The economy is based upon the production of oil. Saudi Arabi is one of the leading oil producing countries in the world. It is one of the founding counties of Opec, an oil cartel made up of middle eastern oil producing countries which try to manipulate the worldwide price of oil.</span>

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Which of the following is true about green light? a) It has a greater frequency than red light and blue light. b) It has a small

lesantik [10]

Answer:

c) It has a greater frequency than red light but a smaller frequency than blue light.

Explanation:

According to the relation:

c = frequency × Wavelength

The higher the frequency, the lower the value of wavelength

The order of wavelength is:

Violet < Indigo < Blue < Green < Yellow < Orange < Red

Stated above, frequency is inversely proportional to the wavelength. Thus, the order of wavelength is:

Violet > Indigo > Blue > Green > Yellow > Orange > Red

Thus,

<u>Green light has lower frequency than blue light and higher than red light.</u>

4 0

3 years ago

Which wave has a wavelengh that is most likely seen as red light?

goblinko [34]

Answer:

Explanation:

Red light has wavelengths around 620 to 750 nm.

7 0

3 years ago

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Can someone help me with this question

Anna71 [15]

Answer:

Ionic- Ion

Covalent- Molecules

Explanation:

7 0

2 years ago

We can determine the velocity of a wave when given the _______ and the wavelength.

ehidna [41]

Answer:

velocity = frequency * wavelength

Given the wavelength one must also have the frequency.

7 0

3 years ago

A caris initially at rest starts moving with a constant acceleration of 0.5 m/s2 and travels a distance of 5 m. Find

EleoNora [17]

Answer:

(I)

${ \bf{ {v}^{2} = {u}^{2} - 2as }} \\ {v}^{2} = {0}^{2} - (2 \times 0.5 \times 5) \\ {v}^{2} = 5 \\ { \tt{final \: velocity = 2.24 \: {ms}^{ - 1} }}$

(ii)

${ \bf{v = u + at}} \\ 2.24 = 0 + (0.5t) \\ { \tt{time = 4.48 \: seconds}}$

8 0

3 years ago