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
Iteru [2.4K]
3 years ago
12

If a source of sound waves is rapidly approaching a person, the sound heard by the person appears to have

Biology
2 answers:
Hoochie [10]3 years ago
3 0
Increased in pitch (frequency). It's the doppler effect.
Lena [83]3 years ago
3 0

Answer choices are:

a. a period higher than the original period.

b. a pitch lower than the original pitch.

c. an amplitude lower than the original amplitude.

d. a frequency higher than the original frequency.

____________________________________________________________

Correct answer choice is:

D. A frequency higher than the original frequency.

____________________________________________________________

Explanation:

This is a true case of Doppler's effect. The Doppler effect can be defined as the effect originated by a traveling source of waves in which there is a visible higher variation in pulse for observers towards what the source is progressing and a visible descending shift in rate for observers from what the source is dropping.


You might be interested in
Which was part of Aristotle’s primary biological classification system?
solniwko [45]
He first divided all living organisms in 2 groups
Animal or Plant

He then put these into subgroups
Animal subgroups: land, water, air
Plant subgroups, small medium or large

Not a very specific approach to taxonomy but it was used for well over 100 years
4 0
3 years ago
. If it is June or July and you live in the southern hemisphere, describe the position of the Earth, in relation to the Sun, and
irga5000 [103]
It would be their equivalent of winter. The lower half of the Earth would be tilted away from the sun, and so it would be colder
6 0
3 years ago
Food moves through the digestive tract by peristalsis, which is produced by wavelike contractions of ______ muscles answers
ozzi
Food moves through the digestive system tract by peristalsis, which is produced by wavelike contractions of INVOLUNTARY muscles
6 0
3 years ago
Read 2 more answers
One of the most unusual aspects of virus particles is the absence of all organelles and other smaller structures. Whereas cells
liraira [26]

Answer:

The protein covering of a virus is called a capsid.

7 0
2 years ago
What are the characteristics of the subatomic particle whose mass is 1/1840 of the mass of hydrogen (H)?
BartSMP [9]
They are positively and negatively charged
3 0
2 years ago
Other questions:
  • A ridge of till located at the farthest point reached by a glacier is called a
    12·1 answer
  • What is the function of the Golgi apparatus?
    5·2 answers
  • During an extended low-calorie diet (near fasting, the body increases the utilization of as a source of energy?
    15·1 answer
  • The phospholipid molecule has two parts, the polar end and the bipolar end. True or False?
    9·1 answer
  • A gland secretes enzymes through a duct onto the surface of a body part. Which gland is it most likely to be?. . A.pituitary gla
    7·2 answers
  • . The Texas Horned Lizard has a blood shooting defense mechanism that shoots out
    8·1 answer
  • Is formed when one or more than one atom bonds to another atom.
    11·1 answer
  • When the bond between a phosphate group is broken, what is released?
    8·1 answer
  • Answer 16-20 please, please do not comment nonsense if not you will be reported. The first accurate and correct answer gets brai
    15·1 answer
  • Based on Redi’s experiment shown in the image, how many jars of meat were used to test his hypothesis?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!