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DaniilM [7]
3 years ago
6

Ten students stand in a circle and are told to make a transverse wave. what best describes the motion of the students?

Physics
2 answers:
bagirrra123 [75]3 years ago
8 0
For transverse waves<span> the displacement of the medium is perpendicular to the direction of propagation of the </span>wave<span>. A ripple on a pond and a </span>wave<span> on a string are easily visualized </span>transverse waves<span>. Hope this helps. Have a nice day. Feel free to ask more questions.</span>
Hunter-Best [27]3 years ago
8 0

Answer:

Up and down movement of hands shows the motion of the students.

Explanation:

In this case, Ten students stand in a circle and are told to make a transverse wave. In transverse wave the particles move in a direction perpendicular to the direction of motion. The maximum displacement of particles creates the crest and the minimum displacement creates the troughs.

In order to describe the motion of of the students, each student has to move his or her hand up and down continuously. The movement in upper direction forms crest and the movement in downward direction forms trough.              

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Approximately 80% of the energy used by the body must be dissipated thermally. The mechanisms available to eliminate this energy
Semenov [28]

Answer:

the correct answer is c) 23 g

Explanation:

The heat lost by the runner has two parts: the heat absorbed by sweat in evaporation and the heat given off by the body

     Q_lost = - Q_absorbed

     

The latent heat is

      Q_absorbed = m L

The heat given by the body

      Q_lost = M c_{e} ΔT

       

where m is the mass of sweat and M is the mass of the body

       m L = M c_{e} ΔT

        m = M c_{e} ΔT / L

let's replace

        m = 90  3.500  1.8 / 2.42 10⁶

 

        m = 0.2343 kg

reduced to grams

        m = 0.2342 kg (1000g / 1kg)

        m = 23.42 g

 the correct answer is c) 23 g

8 0
3 years ago
Currently, the Sun is thought to be located in the galactic _____________ about ____________ the center of the galaxy.
Ede4ka [16]

Answer:

a. Disk, 28 thousand light-years from

Explanation:

Since, a galactic disc is a component of disc galaxies, for instance spiral galaxies and lenticular galaxies. It consists of a stellar component and a gaseous component.

Also, the Sun lies within the galactic disk or in other words it is thought to be located in the galactic disk,

The Sun is located about 26,000 light-years away from the centre of the galaxy.

∵ From the given options 28,000 is nearest to 26,000

Hence, the sun is about 28 thousand light-years from the centre of the galaxy.

i.e. OPTION 'a' would be correct.

8 0
3 years ago
(Q004) During World War II, the military imaged the seafloor by sending pulses of sound waves down through the water and measuri
valkas [14]

Answer:

Sonar

Explanation:

Sonar is a technique that involves the use of sounds in viewing substances in a water medium to aid movement or communication. It makes use of the advantage of sound waves traveling faster and farther in water when compared to other types of waves such as light waves.

During World War II, the military employed the use of SONAR in imaging the seafloor by sending pulses of sound waves down through the water and measuring the time it took for the sound to bounce off the seafloor and return to the receiver.

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3 years ago
In this lab, you will use a magnet and a simple circuit to examine the concepts of electricity and magnetism. Think about how th
Alex73 [517]

Sample Response: How can magnetic and electric fields be demonstrated?


5 0
3 years ago
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If a board with an area of 3m2 has a 12 N force exerted on it, what is the pressure on the board?
Cerrena [4.2K]
4 N/cm^2 is the answer. the way you get this is the formula for pressure is P=F/A. So you would plug in the numbers which would make the equation P=12/3 which you know equals 4. The units for pressure is N/cm^2 or N/m^2

I hope this helps 
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3 years ago
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