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Alenkasestr [34]
3 years ago
15

What is the function of layer of air trapped under the hovercraft​

Physics
1 answer:
aev [14]3 years ago
3 0

Answer:b

Explanation:

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Atom, smallest unit into which matter can be divided without the release of electrically charged particles.

an element is a pure substance which cannot be broken down by chemical means

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Which of the following would be a good question that could be scientifically investigated? What is the best advice a parent can
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A boy weighs 400N. what is his mass?
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≈40.8kg


this is to take up space


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9.8

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g


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N

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m/s

2


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W

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4 0
3 years ago
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It is determined that a certain wave of infrared light has a wavelength of 8.45 mm. Given that c=2.99 ×108 m/s, what is the freq
irina [24]

Answer:

The frequency of infrared wave is 35.385 GHz

Explanation:

Given data:

Wavelength of infrared light = 8.45 mm = 8.45 x 10^{-3} m

Velocity of infrared light = 2.99 x 10^{8} m/s

To find: frequency of the infrared wave = ?

We know that the wavelength and frequency are inversely proportional and the formula to derive frequency with velocity and wavelength is:

c = μλ, where

c is velocity of light

μ is frequency of light

λ is wavelength of light

Hence the frequency of light  μ = c/λ

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                                                     = \frac{299}{8.45} x 10^{9} s^{-1}

                                                     =  35.385  x  10^{9} Hz   (since 1 s^{-1} = 1 Hz)

                                                     = 35.385 GHz

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