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
user100 [1]
1 year ago
9

A student holding a 324Hz tuning fork approaches a wall at a speed of 6ms^(-1). The speed of sound in air is 336ms^(-1). What fr

equency will the student detect from waves omitted from the fork and waves coming from the wall?​
Physics
1 answer:
Mashutka [201]1 year ago
8 0

The frequency the student detect from waves omitted from the fork and waves coming from the wall is 348.1 Hz.

<h3>Frequency detected by the student</h3>

The observed frequency is determined by applying Doppler effect;

f' = f₀(v + v₀)/(v)

where;

  • f' is the observed frequency
  • v is speed of sound
  • v₀ is the source speed
  • f₀ is the original frequency

f' = 342(6 + 336)/(336)

f' = 348.1 Hz

Thus, the frequency the student detect from waves omitted from the fork and waves coming from the wall is 348.1 Hz.

Learn more about observed frequency here: brainly.com/question/10728818

#SPJ1

You might be interested in
Please Please Please Can Help Me On This Question!!!!! I Give Thanks!!!! Please Do 1-4!!!!
ololo11 [35]
1.add the amount of the diagram which is M+Y then dived the answer you get.
5 0
2 years ago
Read 2 more answers
Suppose that you are swimming in a river while a friend watches from the shore. In calm water, you swim at a speed of 1.25 m/s .
aliya0001 [1]

Answer: The observing friend will the swimmer moving at a speed of 0.25 m/s.

Explanation:

  • Let <em>S</em> be the speed of the swimmer, given as 1.25 m/s
  • Let S_{0} be the speed of the river's current given as 1.00 m/s.

  • Note that this speed is the magnitude of the velocity which is a vector quantity.
  • The direction of the swimmer is upstream.

Hence the resultant velocity is given as, S_{R} = S — S 0S_{0}

S_{R} = 1.25 — 1

S_{R} = 0.25 m/s.

Therefore, the observing friend will see the swimmer moving at a speed of 0.25 m/s due to resistance produced by the current of the river.

6 0
3 years ago
A block of a plastic material floats in water with 42.9% of its volume under water. What is the density of the block in kg/m3?
adell [148]

To solve this problem we will apply the principle of buoyancy of Archimedes and the relationship given between density, mass and volume.

By balancing forces, the force of the weight must be counteracted by the buoyancy force, therefore

\sum F = 0

F_b -W = 0

F_b = W

F_b = mg

Here,

m = mass

g =Gravitational energy

The buoyancy force corresponds to that exerted by water, while the mass given there is that of the object, therefore

\rho_w V_{displaced} g = mg

Remember the expression for which you can determine the relationship between mass, volume and density, in which

\rho = \frac{m}{V} \rightarrow m = V\rho

In this case the density would be that of the object, replacing

\rho_w V_{displaced} g = V\rho g

Since the displaced volume of water is 0.429 we will have to

\rho_w (0.429V) = V \rho

0.429\rho_w= \rho

The density of water under normal conditions is 1000kg / m ^ 3, so

0.429(1000) = \rho

\rho = 429kg/m^3

The density of the object is 429kg / m ^ 3

7 0
2 years ago
The net effect of each cycle of the sodium-potassium pump is to ____.? ?decrease the number of positively charged ions within th
stealth61 [152]
The correct answer may be A
3 0
3 years ago
If a fuse melts, does it create an open circuit, a closed circuit, or a short circuit?
Andrew [12]

Answer:

short circuit

7 0
3 years ago
Read 2 more answers
Other questions:
  • Why doesn't cloud formation take place until the dew point temperature is reached
    10·1 answer
  • Suppose that we repeat the experiment, except that we place the sodium flame in a strong, localized electric field. The field ch
    9·1 answer
  • A pencil is dropped from the roof of the school what is the speed after 3s down is the negative direction.
    10·2 answers
  • What is the distance between two consecutive points in phase on a wave called?
    14·2 answers
  • When operated on a household 110.0 V line, typical hair dryers draw about 1650 W of power. The current can be modeled as a long,
    6·1 answer
  • A runner runs a 1,500 m race on a circular track. The runner stops 100 m from the starting point. What are the distance and disp
    11·1 answer
  • In what way is a piano an example of a quantized system?
    12·1 answer
  • The three scientists credited with using all available data and correctly determing the sturcture of dna from many years of prev
    13·1 answer
  • И
    10·1 answer
  • Chen is testing the friction of three surfaces. he pushes the same ball across three different surfaces with the same force and
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!