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
7nadin3 [17]
3 years ago
7

Jenny and Fred both play a long note on their trombones. A stationary observer hears the sound increasing and decreasing repeate

dly in
loudness. Which of these must be true?
A. The sound waves from the two trombones have slightly different frequencies.
B. The sound waves from the two trombones have the same frequency.
C. The sound waves from the two trombones have slightly different amplitudes.
D. The sound waves from the two trombones have the same wavelength.
E. The sound waves from the two trombones have slightly different velocities.
Physics
2 answers:
lilavasa [31]3 years ago
7 0
E=the sound waves from the trombones have slightly different velocity
Brrunno [24]3 years ago
5 0

Answer:

its E

Explanation:

You might be interested in
Which image illustrates refraction?
maks197457 [2]

Answer:

B illustrates refraction

3 0
3 years ago
How many millimeters are 120 meters ? Help ! Please <3
blsea [12.9K]

Answer:

120,000

Explanation:

Millimeters to meters calculation-

Multiply by 1,000.

120 x 1,000 = 120,000.

This is the correct answer and formula.

Hope this helps!

8 0
3 years ago
Read 2 more answers
Explain any two areas affected by migration​
mel-nik [20]

Answer:

<h2>Migration is affected by various factors like age, sex, marital status, education, occupation, employment etc. Age and sex are main demographic factors that affect the migration. Men, generally, migrate to other places quite often though there are more women who migrate to husbands' places after marriage.</h2>
4 0
3 years ago
Read 2 more answers
What information does a free-body diagram show?
melamori03 [73]

Answer:

d

Explanation:

In physics and engineering, a free body diagram (force diagram, or FBD) is a graphical illustration used to visualize the applied forces, moments, and resulting reactions on a body in a given condition.

8 0
3 years ago
A student creates a model of a closed ecosystem by filling a glass tank half full with water then adding 10 snails and two small
GenaCL600 [577]
The reason why the snails are dead because the snails lack oxygen for it is a model of closed ecosystem. Another reason to this is that they lack  abiotic factors that they need in surviving or as they live for the place that they are living lacks a lot and are not enough for them to last or survive. Lastly, the water could have not been a contributor for them to live for they may not be able to live in a water environment and could only dwell in land.
4 0
3 years ago
Read 2 more answers
Other questions:
  • 12.51 A parallel RLC circuit, which is driven by a variable frequency 2-A current source, has the following values: R = 1 kΩ, L
    6·1 answer
  • The majority of early psychological research reflected the __________.
    5·1 answer
  • The blank is the sun's apparent annual path through the
    15·1 answer
  • Why is it impossible for us to observe any furthur than 13.7 billion light years in the universe??
    9·1 answer
  • Coulomb is a very large unit for practical use. Justify your answer if 10^10 electrons are transferred from a body/second
    10·1 answer
  • Hi please please help me you’ll get points and I’ll give you brainliest
    10·1 answer
  • Consider the diatomic molecule oxygen O2 which is rotating in the xy plane about the z axis passing through its center, perpendi
    8·1 answer
  • Sebanyak 80g emas bersuhu 30°C diberi kalor sebesar 1512 J.Jika kalor jenis emas 126 J/kg K,suhu akhir emas setelah diberi kalor
    10·1 answer
  • a passenger on cruise between San Juan, Puerto Rico and Miami, Florida accidentally drops a souvenir metal cube over the side of
    15·1 answer
  • Which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!