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eduard
3 years ago
7

Both mechanical and electromagnetic waves _____. have compressions and rarefactions oscillate in the same direction as the wave

motion transmit energy require a medium for transfer
Physics
1 answer:
Leona [35]3 years ago
3 0

Answer:

transmit energy

Explanation:

Waves (both mechanical and electromagnetic) are periodic perturbations of the space that transmit energy without transmitting matter. (so, "transmit energy" is valid for both types of waves).

The other statements are wrong because:

have compressions and rarefactions --> this is a property only of longitudinal waves, while electromagnetic waves are transverse, so they do not have compressions

oscillate in the same direction as the wave motion --> this is the description of longitudinal waves, while electromagnetic waves are transverse,

require a medium for transfer --> this is true only for mechanical waves: electromagnetic waves in fact do not need a medium to propagate.

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You hear three beats per second when two sound tones are generated. The frequency of one tone is known to be 610 Hz. The frequen
mestny [16]

Answer:

F. Either B or C

Explanation:

The beat frequency is the difference of two frequencies of two waves.

Here, one wave has frequency 610 Hz and the beat frequency is 3 beats per second.

It is not mentioned which has a higher frequency. So, there are two possiblities.

\Delta f=|610-613|=3

or

\Delta f=|610-607|=3

Hence, the frequency of the other wave is 613 or 607.

4 0
4 years ago
During her first session with her psychiatrist, Jackie is told to lay down on the office couch while the therapist sits behind h
Mrrafil [7]

psychoanalysis

Explanation:

Jackie's therapist is basically using the process of psychoanalysis to better help resolve her issues and solve her problems.

Psychoanalysis is therapeutic procedure developed by Sigmund Freud. As with other psychological processes, it focuses on the mind and not the body.

  • In this process, a patient is made to lie back.
  • The therapist sits behind and out of the line of vision of patient.
  • They are made to say anything that comes in mind to them.

learn more:

Sigmund Freud brainly.com/question/10516771

#learnwithBrainly

6 0
3 years ago
Please explain the method of making electricity from non renewable sources like coal?
Leno4ka [110]
The coal is  urned to heat up water. this produces steam. the steam turns a turbine that turns a generator which provided energy yhat can be transferred into electrisity
7 0
3 years ago
Which is the most accurate name for the ionic compound CaS?
Anvisha [2.4K]
CaS is <span>Calcium Sulfide</span>
5 0
4 years ago
Read 2 more answers
Derive a relation between time period anf frequency of a wave
Elza [17]

Answer:

The relation between frequency and time period is given by:

f = 1/T

Explanation:

In a wave motion, the particle move about the mean position with the passage of time. The particles rise to reach the highest point which is crest, and similarly falls to reach the lowest point which is trough. The cycle keeps on repeating.

The time period of the wave can be defined as the time taken to complete one such cycle. Time period is given by:

T = 2π/ω

Frequency can be defined as the number of cycles completed in unit time, which can be taken as the inverse of time period. frequency is given by

f = ω/2π

or

f = 1/T

8 0
4 years ago
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