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olya-2409 [2.1K]
3 years ago
11

Please help i really need it. this is my physic exam

Physics
2 answers:
erastova [34]3 years ago
7 0
Correct answer is C.
Harlamova29_29 [7]3 years ago
3 0

Answer:

bout=14.4V , b)R2=80

am i right

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The first wave that forms when the wind begins to blow across the ocean surface is a ________.
seraphim [82]

The first wave that forms when the wind begins to blow across the ocean surface is a <u>capillary wave</u>

The capillary waves represent the initial state of a wave that are produced by vortices in a flat sea. When the winds blow over an ocean, energy is transferred from the wind to the sea. and that produced the waves. They are also presented as ripples.

The capillary waves have a wavelength less than 1.7 cm or 0.68 inches and its speed of 0.2 to 0.3 meter per second.

<h3>What is a capillary wave?</h3>

It is a wave that is travelling along the interface boundary of a fluid and it is influenced by the effect of surface tension and the gravity.

Learn more about capillary wave at brainly.com/question/15663649

#SPJ4

8 0
2 years ago
Hi,can you please check my answer.​
madreJ [45]

Answer:

no its not correct ans is 30 use calculator

Explanation:

5 0
3 years ago
In a double-slit interference experiment, the slit separation is 2.41 μm, the light wavelength is 512 nm, and the separation bet
Elina [12.6K]

Answer:

Using equation 2dsinФ=n*λ

given d=2.41*10^-6m

λ=512*10^-12m

θ=52.64 degrees

7 0
4 years ago
Read 2 more answers
In an equation f = l^2-d^2/4l the intercept is<br>​
DanielleElmas [232]

Answer:

the intercept is the orgin (0,0)

5 0
3 years ago
Eli states that sodium phosphate is a mixture because it is composed of both sodium ions and phosphate ions.
galina1969 [7]

The question is incomplete, the complete question is;

Eli states that sodium phosphate is a mixture because it is composed of both sodium ions and phosphate ions. Which is the best analysis of Eli’s statement? It is correct because each ion is a pure substance, so sodium phosphate is made up of two pure substances. It is correct because the composition of sodium phosphate changes depending on the sample. It is incorrect because sodium phosphate is a compound that has a single composition. It is incorrect because the two types of ions in sodium phosphate cannot be seen.

Answer:

It is incorrect because sodium phosphate is a compound that has a single composition

Explanation:

A compound is a neutral substance made up of two or more atoms which are chemically combined together.

Ionic substances are made up of ions. These ions are not separate entities, they are part of the compound.

Hence, Eli's statement is incorrect because sodium phosphate is a compound that has a single composition.

5 0
3 years ago
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