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Katyanochek1 [597]
3 years ago
15

When describing velocity what should be included?

Chemistry
2 answers:
Andrei [34K]3 years ago
7 0
Direction and speed. Hope it helps
ioda3 years ago
5 0

Answer:

The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. Velocity is equivalent to a specification of an object's speed and direction of motion (e.g. 60 km/h to the north).

Other units: mph, ft/s

In SI base units: m/s

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Which of these best explains why the hydrogen atoms in a water molecule are attracted to Cl− ions in sodium chloride (NaCl)?
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3 years ago
Green plants absorb sunlight to power photosynthesis, the chemical synthesis of food from water and carbon dioxide. The compound
aleksandr82 [10.1K]

Answer:

f=4.67x10^{14}Hz

Explanation:

Hello,

The frequency and wavelength of electromagnetic waves propagating in free space might be related to each other by using the following equation:

c=λf

Solving for the frequency:

f=c/λ

Knowing that λ stands for the wavelength (642 nm for the mentioned incident light), c the light velocity (300.000 m/s) and f the frequency, we get the asked frequency as:

f=\frac{3x10^6m/s}{642x10^{-9}m} =4.67x10^{14}Hz}

Best regards.

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6 0
3 years ago
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