1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
tatuchka [14]
3 years ago
15

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?

Physics
2 answers:
andrew11 [14]3 years ago
6 0

Answer: The answer is Doppler effect.

Explanation:

When there is a relative motion between the source and the observer then there will be change in the frequency of the wave. This phenomenon is called Doppler effect.

For example,when the source and the observer are moving each other then the frequency increases in this case. When the source and the observer are moving away from other then the frequency decreases in this case.

Therefore, Doppler effect is the name of the perceived change in a sound wave's frequency due to motion between the observer and the sound source.

Shkiper50 [21]3 years ago
4 0

Answer: Hello mate!

the name is "doppler effect"

As you may know, the frequency (and hence the wavelength) of the sound determines the pitch.

If you move towards the source of the sound, the wavelenght seems shorter, which means that the frequency is higher, and also the pitch.

In the other case, if you are moving away from the sound, the wavelength seems larger and the frequency smaller, so the pitch is lower.

You might be interested in
A car has an initial velocity of 20m/s and an average velocity of 30m/s.
Luba_88 [7]

Answer:

call 7194936846 and ill help u out

Explanation:

3 0
2 years ago
13. Which statement correctly describes the human heart? A. It has three chambers, and pumps blood directly into veins. B. It ha
Marta_Voda [28]
Number 13 is D the heart has 4 chambers and pumps blood to the arteries and number 14 us C

8 0
3 years ago
Read 2 more answers
A member of the cross country team is training for the big race. She runs 7.85 km one afternoon. How many miles is this?​
allsm [11]

Answer:

4.88 miles

Explanation:

7.85km * (.621miles/km) = 4.88 miles

8 0
3 years ago
A track is traveling a. a speed of 25.0 m/s along a level road. A crate is resting on the bed of the truck, and the coefficient
Mice21 [21]

To solve this problem it is necessary to apply the concepts related to

conservation of energy, for this case manifested through work and kinetic energy.

W = \Delta KE

W = F*d

Where,

F= Force (Frictional at this case F_r = \mu N)

d= Distance

\Delta KE = \frac{1}{2} mv^2

Where,

m = mass

v = velocity

Equation both terms,

F*d = \frac{1}{2}mv^2

\mu mg *d = \frac{1}{2}mv^2

\mu g * d = \frac{1}{2}v^2

d = \frac{1}{2} \frac{v^2}{\mu g}

Replacing with our values we have that

d = \frac{1}{2} \frac{25^2}{0.65*9.8}

d = 49.05m

Therefore the shortest distance in which the truck can come to a halt without causing the crate to slip forward relative to the truck is 49.05m

6 0
3 years ago
What resource is used to make fertilizers and other products such as toothpaste and insecticides?
igomit [66]

Answer:

Silica

Explanation:

The most commonly used abrasives are hydrated silica (softened silica), calcium carbonate (also known as chalk), and sodium bicarbonate (baking soda).

5 0
2 years ago
Other questions:
  • A 100-g toy car is propelled by a compressed spring that starts it moving. the car follows a curved track. what is the final spe
    5·2 answers
  • The frequency of the longitudinal standing wave shown in the drawing is 440 hz. the tube is open at both ends. what is the funda
    14·1 answer
  • How far will a car travel in 25 seconds at 10m/ min
    11·1 answer
  • A 15kg projectile is moving with a velocity of 25m/s calculate its momentum
    13·1 answer
  • Page 423 in the 8th grade science fusion textbook what at the answers
    10·1 answer
  • What type of energy does a spinning turbine have?
    14·1 answer
  • speed is the ratio of the distance an object moves to a. the direction the object moves. b. the amount of time needed to travel
    10·2 answers
  • To a man running east at the rate of 3m/s vain appears to fall vertically with a speed of 4m/s. Find the actual speed and direct
    5·1 answer
  • Convert<br>Convert 5 km into cm​
    13·2 answers
  • Which of the following best decribes ​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!