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
Ksju [112]
2 years ago
11

A dog can hear sounds in the range from 15 to 50,000 Hz. What wavelength corresponds to the upper cut-off point of the sounds at

20◦C where the sound speed is 344 m/s? Answer in units of m.
Physics
2 answers:
Svet_ta [14]2 years ago
6 0

Give that,

The frequency range the dog can hear is 15Hz to 50,000Hz

The wavelength of sound in air at 20°C =?

Speed of sound is 344

The frequency corresponding to the lower cut-off point is the lowest frequency which his 15Hz

F=15Hz

The relationship between the wavelength, speed and frequency is given as

v=fλ

Then,

λ=v/f

λ=v/f

λ=344/15

λ=22.93m

Alexandra [31]2 years ago
3 0

Answer:

The wavelength corresponds to the upper cut-off point of the sounds at 20◦C is 0.00688m

Explanation:

The wavelength, velocity and the frequency of a wave can be expressed using the relationship;

v = f¶ where;

v is the velocity of the wave

f is the frequency of the wave

¶ is the wavelength

Given;

v = 344m/s

If the dog can hear sounds in the range from 15 to 50,000, maximum frequency the dog can hear will be 50,000Hz

Since we are to find the wavelength that corresponds to the upper cut-off point of the sounds, our value of the frequency will be the maximum frequency which is 50,000Hz

f = 50,000Hz

From the formula above;

¶ = v/f

¶ = 344/50,000

¶ = 0.00688m

You might be interested in
*NEED ANSWER STAT*
tresset_1 [31]
Becomes a +1 ion for this
6 0
3 years ago
Read 2 more answers
A lamp consumes 1000J of ekectrical energy in 10s. Calculate its power.​
Mice21 [21]
You do 1000 divide it by 10 which equals 100 W
4 0
3 years ago
Most of the countries in Europe use SI measurments. How could this be a problem if you went on a trip to Europe?
faust18 [17]
Not knowing how to convert the type of measurement according to your way of learning from where ever you come from.
5 0
2 years ago
Read 2 more answers
A wave pulse traveling to the right along a thin cord reaches a discontinuity where the rope becomes thicker and heavier. What i
Talja [164]

Answer:

the reflected wave is inverted and the transmitted wave is up

Explanation:

To answer this question we must analyze the physical phenomenon, with an wave reaching a discontinuity, we can analyze it as a shock.

Let's start when the discontinuity is with a fixed, very heavy and rigid obstacle, in this case the reflected wave is inverted, since the contact point cannot move

In the event that it collides with an object that can move, the reflected wave is not inverted, this is because the point can rise, they form a maximum at this point.

In the proposed case the shock is when the thickness changes, in this case we have the above phenomena, a part of the wave is reflected by being inverted and a part of the wave is transmitted without inverting.

The amplitude sum of the amplitudes of the two waves is proportional to the lanería that is distributed between them.

When checking the answers the correct one is the reflected wave is inverted and the transmitted wave is up

8 0
3 years ago
Read 2 more answers
What role do plants serve in the oxygen cycle
kodGreya [7K]
Plants,such as trees poduce oxygen to help animals like insects or humans can bresth snd surviave.
4 0
3 years ago
Other questions:
  • An fm radio station broadcasts at a frequency of 97 mhz . what inductance should be paired with a 7.0 pf capacitor to build a re
    10·1 answer
  • A laser on the South American plate takes a certain amount of time to reach a satellite and bounce back to Earth. Five years lat
    12·2 answers
  • "a 10 kg rock is pushed off the edge of a bridge 50 meters above the ground. what was the kinetic energy of the rock at the midw
    9·1 answer
  • Please help, I am stumped.
    13·2 answers
  • A charged capacitor and an inductor are connected in series. At time t = 0, the current is zero, but the capacitor is charged. I
    10·1 answer
  • The ability to attract electrons is known as:
    14·1 answer
  • Which equation correctly represents the gravitational potential energy of a
    14·2 answers
  • Along a horizontal snow-covered track, a sled, of mass m = 105 kg, slides by the action of a horizontal force of 230 N. The coef
    9·1 answer
  • PLS HELP DUE IN 30 MINS!!! True or false: A large-amplitude pulse travels at a faster speed than a small-amplitude pulse. Explai
    12·2 answers
  • Sofia goes on a hike on a trail that is 10 km long. She starts at 2:00pm and ends at 5:00pm. The end of the trail is 300m north
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!