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Zina [86]
3 years ago
5

Need Help Please and Thank You). Question 1: Explain how longitudinal waves and transverse waves are similar to each other and d

ifferent from each other. Question 2) Compare and contrast reflection and refraction. Question 3) What does it mean that energy is neither created nor destroyed? ( Please No Plagiarism and Be 100% positive with your answer. Will Mark Brainliest. If you write anything down that doesn't contain to my question you will be reported. Need two answers.​
Physics
1 answer:
natulia [17]3 years ago
7 0

1) The longitudinal waves move in parallel direction to the source of vibration. The transverse waves move in perpendicular direction to the source of vibration . They are similar in the sense that energy is transferred in the form of waves.

2) Reflection occurs when waves bounce from a surface back toward the source. Refraction is when waves are deflected when the waves go through a substance.

3) The Law of Conservation of Energy

states that energy can neither be created

nor destroyed, it can only be transferred or

changed from one form to another.

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A proton accelerates from rest in a uniform electric field of 680 N/C. At one later moment, its speed is 1.30 Mm/s (nonrelativis
Ksivusya [100]

Answer:

Acceleration, a=6.51\times 10^{10}\ m/s^2                                                

Explanation:

Given that,

Electric field, E = 680 N/C

Speed of the proton, v = 1.3 Mm/s

We need to find the acceleration of the proton. We know that the force due to motion is balanced by the electric force as :

qE=ma

a and m are the acceleration and mass of the proton.

a=\dfrac{qE}{m}

a=\dfrac{1.6\times 10^{-19}\times 680}{1.67\times 10^{-27}}

a=6.51\times 10^{10}\ m/s^2

So, the acceleration of the proton is a=6.51\times 10^{10}\ m/s^2. Hence, this is the required solution.

3 0
3 years ago
A plastic bottle partially filled with water floats on water, even though the density of the plastic (1.2 g/cc) is more than tha
Semmy [17]

Answer:

True the plastic will float because of the principle of flotation or buoyancy

Explanation:

Buoyancy explains it all!!

Buoyancy  is the upward force/upthrust experienced by a body immersed totally or partially in a liquid.

According to the principle of flotation:

<em>"when a body is totally or partially immersed in liquid it experiences an upthrust which is equal to the volume of fluid displaced"</em>

The plastic will float due to the fact the average density of the total volume of the plastic and the air inside it is less than the same volume of water it is floating in

5 0
3 years ago
An unlabeled hierarchical diagram of various astronomical bodies is shown below. The labels A, B, C, and D can be used to repres
Paha777 [63]
A) The biggest astronomical object is the Universe, which contains billions of galaxies among which there is the Milky Way.
The Milky Way contains thousands of planetary systems, among which the Solar System.
The Solar System contains many <span>planets <span>(but only one star, the Sun)</span>,</span> among which there is Earth.
Therefore you can label:
A = Universe, B = Milky Way, C = Solar system, D = Earth

b) Given what we said before, you could label D also any other planet in the Solar System, therefore you can choose among Mercury, Venus, Mars, Jupiter, Saturn, Uranus, and Neptune.
8 0
3 years ago
HELP
Sergeu [11.5K]

Answer:

The answer is: To accelerate an object <u>the force applied to the object</u> has to increase.

Explanation:

the acceleration of an object <u>increases with increased force</u> and <u>decreases with increased mass.</u>

3 0
3 years ago
Heat transfer in liquids or gases that happens due to currents of hot and cold is called
yKpoI14uk [10]

Answer:

Convection

Explanation:

three types of heat transfer

Heat is transfered via solid material (conduction), liquids and gases (convection), and electromagnetical waves (radiation).

3 0
3 years ago
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