Answer:
The Andromeda is a galaxy which is nearest to the milky way. It is also named as Messier 31 or M31 or NGC 224. It is a spiral galaxy located at a distance of approximately 2.5 million light years from earth.
another name Andromeda in Hindi is Vaikunth.
The speed of the surfer is 4ft/s
Given,
Average wavelength(W) = 40ft
T=10s
So, Speed = W/T=40/10=4ft/s
<h3>Wavelength</h3>
The distance over which a periodic wave's shape repeats is known as the wavelength. It is the separation between neighboring wave points that correspond to the same phase, such as two adjacent crests, troughs, or zero crossings. It is a property of both traveling waves and standing waves as well as other spatial wave patterns. The spatial frequency is the wavelength's reciprocal. The Greek letter lambda (), which represents wavelength, is frequently used. When describing modulated waves, their sinusoidal envelopes, or waves created by the interference of several sinusoids, the term wavelength is also occasionally used.
Learn more about Wavelength here:
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Being abused and watching violence movie
<u>Answer</u>
The correct answer is A.
<u>Explanation</u>
The given triangle is a right triangle.
The length of the hypotenuse is 
units.
The given angle is 
.
The unknown side 
is adjacent to the given angle.
We can therefore use the cosine function to find .
Recall the mnemonics CAH.
This means that;
This implies that,
We multiply both sides by to get,
We evaluate to get
Therefore the length of the side of the triangle is 
units to the nearest tenth.
