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Snowcat [4.5K]
3 years ago
5

How are the wavelength and frequency of electromagnetic waves related to their energy

Physics
1 answer:
777dan777 [17]3 years ago
3 0
As wavelength decreases, frequency increases, but as frequency decreases, wavelength increases...Vice-Versa
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Is the text in red correct (0n0')
Ede4ka [16]
Yes the text in the red is correct.
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3 years ago
HEY PLEASE HELP AM DESPERATE!!!!!!
MariettaO [177]

Answer:

Runner A

Explanation:

Both B and C finished the race from 25 seconds

But A runner finished it from 20 seconds

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3 years ago
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A camera lens used for taking close-up photographs has a focal length of 22.0 mm. The farthest it can be placed from the film is
Arada [10]

Answer:

p = 6.64 cm

Explanation:

For this exercise we use the equation of the constructor

          \frac{1}{f} = \frac{1}{p} + \frac{1}{q}

where f is the focal length, p and q are the distance to the object and the image, respectively

They tell us the focal length f = 2.2 cm and that the image as far as it can go is q = 3.29 cm, let's find the position of the object that creates this image

          \frac{1}{p} = \frac{1}{f} - \frac{1}{q}

          1 / p = 1 / 2.2 - 1/3.29

           1 / p = 0.15059

           p = 6.64 cm

therefore the farthest distance from the object is 6.64 c

3 0
3 years ago
Why does a thick glass bottle crack when boiling water is suddenly poured inside it​
Rashid [163]

Answer:

When boiling water is poured into a thick tumbler its inner surface expands. However, due to low thermal conductivity of glass, the expansion of outer surface of the tumbler is quite small. Due to uneven expansion of the outer and inner surfaces, the tumbler breaks.

Explanation:

hope it helps please mark me as a brainliest please

7 0
3 years ago
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Greg throws a 2.8-kg pumpkin horizontally off the top of the school roof in order to hit Mr. H's car. The car has parked a dista
Igoryamba

Answer:

The horizontal velocity is v = 9.2 m/s

Explanation:

From the question we are told that

     The mass of the pumpkin is  m = 2.8 \ kg

      The distance of the the car from the building's base is  d = 13.4 \ m

       The height of the roof is h = 10.4 \ m

       

The height is mathematically represented as

         h = \frac{1}{2} gt^2

Where g is the acceleration due to gravity which has a value of g =9.8 \ m/s^2

substituting values

          10.4= 0.5 * 9.8 * t

making the time taken the subject of the formula

         t = \frac{10.4}{0.5 * 9.8 }

          t = 1.457 \ s

The speed at which the pumpkin move horizontally can be represented mathematically  as

                         v = \frac{d}{t}

substituting values

                     v =\frac{13.4}{1.457}

                     v = 9.2 m/s

7 0
2 years ago
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