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mrs_skeptik [129]
3 years ago
7

Radio stations use electromagnetic waves for broadcasting. The chart shows different frequencies of waves used by radio stations

. Which radio station has the wave with the longest wavelength?

Physics
2 answers:
nlexa [21]3 years ago
6 0
Radio Station W as the slower the frequency the longer the wave length
blsea [12.9K]3 years ago
5 0

Answer: radio station W

Explanation:

The wavelength of a radio wave is given by:

\lambda=\frac{c}{f}

where

c is the speed of light

f is the frequency of the wave

From the equation, we see that the wavelength is inversely proportional to the frequency: the higher the frequency, the shorter the wavelength, the lower the frequency, the longer the wavelength.

Therefore, the waves with longest wavelength are the waves with lower frequency: therefore, the waves emitted by radio station W.

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3 0
3 years ago
Read 2 more answers
Se lanza una pelota de béisbol desde la azotea de un edificio de 25 m de altura con velocidad inicial de magnitud 10 m/s y dirig
MissTica

Answer:

 v_f = 24.3 m / s

Explanation:

A) In this exercise there is no friction so energy is conserved.

Starting point. On the roof of the building

         Em₀ = K + U = ½ m v₀² + m g y₀

Final point. On the floor

         Em_f = K = ½ m v_f²

         Emo = Em_g

         ½ m v₀² + m g y₀ = ½ m v_f²

        v_f² = v₀² + 2 g y₀

         

let's calculate

        v_f = √(10² + 2 9.8 25)

        v_f = 24.3 m / s

6 0
3 years ago
A skier (m=59.0 kg) starts sliding down from the top of a ski jump with negligible friction and takes off horizontally. If h = 3
marissa [1.9K]

Answer:

35.20 m

Explanation:

By the law of conservation of energy we have,

mg(H-h)=\frac{1}{2}mv^2

g(H-h)=\frac{1}{2}v^2

\Rightarrow H=\frac{v^2}{2g}+h

where m= mass of the skier, h= 3.00 m

D= horizontal distance=13.9 m

H= maximum height attained

Also, the horizontal distance covered by the skier is

D=vt

=v\frac{2g}{h}

\Rightarrow v^2=\frac{gD^2}{2h}

thus, height H in terms of D  is given by

H=\frac{D^2}{2h}+h

H=\frac{13.9^2}{2\times3}+3

H=35.20 m

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Number a is a correct one
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Which of the following can be the first step to take in organizing data
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the first step would be gathering information , and making sure its correct

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