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2 years ago

what can accurately be said about a resultant wave that displays both reinforcement and interference?

1 answer:

5 0

As the frequency of the waves increases, a greater number of wavelengths pass a given point per second. From the wave formula, we see that there is an indirect relationship between frequency and the wavelength. thus, as the frequency increases the wavelength decreases resulting to a smaller distance between the waves which will show greater number of wavelengths between waves.

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a large sphere is on a horizontal field on a sunny day. at a certain time the shadow reaches out a distance of 10 m from the poi

Mars2501 [29]

The radius of the sphere in meters is ,r = $10\sqrt{5} -20$

Think about the angle the ground and the shadow make. Since the sun's beams are parallel, the angle created by the stick's shadow is also equal. Since the stick is 1 m high and its shadow is 2 m long, we know that the stick's angle is arctan 1/2. Therefore, by thinking of a right-angled triangle,

r/10 = tan [arctan(1/2)] = tan (1/2)

Since, tan (θ/2) = 1-cos(θ) / sin(θ)

we find that,

r/10 = $\sqrt{5} -2$

Hence, r = $10\sqrt{5} -20$

So, the radius of the sphere in meters is ,r = $10\sqrt{5} -20$

Learn more about radius (r) of the sphere here;

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1 year ago

i just said something super cringey to someone and now i wish i had a time machine because i cant forget it :((( SOME HELP PLEAS

Llana [10]

Answer:

what did you say???

Explanation:

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2 years ago

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This version of Einstein’s equation is often used directly to find what value?

stepladder [879]

A. THE ENERGY THAT IS RELEASED IN A NUCLEAR REACTION.

M =MASS

C^2= SPEED OF LIGHT SQUARED

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2 years ago

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Why are the layers of the atmospher in the order that they are in?

aliya0001 [1]

Answer:

TROPOSPHERE the lowest layer of the atmosphere closest to the earth

STRATOSPHERE constant temperature

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Themosphere absorbs UV radiation

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2 years ago

Explain the purpose of hot gravity filtration. Why is it good to use the stemless funnel for this experiment

vodka [1.7K]

Answer: It is done to prevent the necessary compound from solidifying along with the debasements. It expels any insoluble pollutions from the appropriate response (as opposed to separating the predetermined item). With since quite a while ago stemmed channels, the gems kick off inside the progression because the arrangement cools, obstructing the pipe. utilizing a stemless channel keeps this from occurring.

Explanation:

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2 years ago