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GuDViN [60]
1 year ago
10

our iclicker operates at a frequency of approximately 900 mhz (900x106 hz). what is the approximate wavelength of the em wave pr

oduced by your iclicker?
Physics
1 answer:
Elena-2011 [213]1 year ago
6 0

wavelength of the EM  wave produced by your iclicker is 0.33 m.

<h3>What makes an EM wave?</h3>
  • When an electric field (illustrated in red arrows) combines with a magnetic field, electromagnetic waves are generated (which is shown in blue arrows). An electromagnetic wave's magnetic and electric fields are perpendicular to each other and to the wave's direction.
  • A changing magnetic field causes a changing electric field, and vice versa—the two are inextricably related. Electromagnetic waves are created by changing fields. Electromagnetic waves, unlike mechanical waves, do not require a medium to propagate.

The clicker emits EM (electromagnetic) wave which travels at the speed of light, that is

v = 3 x 10⁸ m/s

The frequency is

f = 900mHz = 9 x 10⁸ Hz

velocity = frequency * wavelength, the wavelength, λ,  is given by

fλ = v

λ = v/f

  = (3 x 10⁸ m/s) / (9 x 10⁸ 1/s)

  = 1/3 m = 0.333 m

To learn more about   electromagnetic waves  refer,

brainly.com/question/25847009

#SPJ1

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8 0
3 years ago
What type of wave would a vibrating bell make?
Softa [21]
Not sure of what answers you are given, but what I can think of is a transverse wave.
7 0
3 years ago
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A shell is launched with a velocity of 100 m/s at an angle of 30.0° above horizontal from a point on a cliff 50.0 m above a leve
natita [175]

Answer:

<em>The shell strikes the ground 963 m far from the base of the cliff.</em>

Explanation:

<u>Projectile Motion</u>

Suppose an object is launched from a height yo from the ground level at an initial speed vo and an angle \theta respect to the horizontal reference, the height of the object at any time t is given by

\displaystyle y=y_o+v_o\ sin\theta \ t-\frac{gt^2}{2}

And the horizontal distance traveled by the object at any time t is

\displaystyle X=v_o\ cos\theta\ t

The shell is launched at 100 m/s and 30° from a point at a height of 50 m. We need to find the time at which the shell hits the ground after launch time. Replacing the values into the equation:

\displaystyle 50+100\ sin\ 30^o\ t-\frac{9.8t^2}{2}=0

Operating and rearranging

\displaystyle -4.9\ t^2+50\ t+50=0

This is a second-degree equation in t that has two real answers:

\displaystyle t=11.125\ sec,\ t=-0.92\ sec

Only the first answer will be used, since the time cannot be negative. Now we know the flight time, we find the horizontal distance from the base of the cliff where the shell hit the ground

\displaystyle X=100\cdot cos\ 30^o\cdot 11.12

\displaystyle \boxed{X=963\ m}

The shell strikes the ground 963 m far from the base of the cliff.

3 0
3 years ago
what is the difference between rotational motion and circular motion? what is the difference between rotational motion and circu
andreev551 [17]

The difference between rotational motion and circular motion is that rotational motion is the rotation of a body about it center mass. The axis of rotation and the center mass could change. For circular motion, the axis of rotation and the center mass does no change.

5 0
3 years ago
Cavendish bananas are a popular species among banana growers because they’re predictable. All of these bananas are grown to have
amm1812

Answer: B. They are clones of the parent plant.

Explanation:

The banana plant does not grow through sexual reproduction instead it grows through vegetative propagation. The banana plant do not grow seeds thus cannot grow sexually. The banana plant can be grown through bulb or rhizome. It takes 9-12 months to the banana plant to grow and produce fruits. The fruits so produced are the clones of each other as they have grown through vegetative reproduction procedure. They have same genetic and morphological characteristics as that in parents and among themselves.

Thus based on the above description this can be Cavendish bananas are clones of the parent plant.

3 0
3 years ago
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