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
Allushta [10]
3 years ago
9

A. Draw the wave that results when the two waves shown interact through destructive interference. (Image attached)

Physics
2 answers:
katen-ka-za [31]3 years ago
8 0

a) Since these waves are opposite, they will cancel one another (see fig.)

b) If we consider sound speakers, the waves may interfere and destruct each other (like on the attached figure), somewhere they will increase each other (constructive interference).

c) Echo. Go to mountains and scream (beware of avalanche), you'll wonder how many sound waves will come to you from different surfaces against you. This is used in echolocation.

Anna35 [415]3 years ago
7 0

PART A)

Since two waves are in opposite phase

So due to superposition of these type of opposite phase waves the resultant wave is of zero amplitude

This is known as destructive interference

PART B)

Sound from stage seem to be louder at certain seats because of constructive interference of sounds which are coming directly and coming after reflection from walls and other points

This superposition is the result where we get larger amplitude sue to superposition of same phase

PART C)

When a travelling wave bounce back in opposite direction by the change in medium boundary then this phenomenon is known as reflection of wave

If the reflected sound is in opposite phase then the superposition of such sound will give destructive interference

If reflected sound is in same phase then the resultant sounds is always constructive interference

You might be interested in
A 4.0 Ω resistor has a current of 3.0 A in it for 5.0 min. How many electrons pass 3. through the resistor during this time inte
musickatia [10]

Answer:

Number of electrons, n=5.62\times 10^{21}

Explanation:

It is given that,

Resistance, R = 4 ohms

Current, I = 3 A

Time, t = 5 min = 300 s

We need to find the number of electrons pass through the resistor during this time interval. Let the number of electron is n.

i.e. q = n e ...............(1)

And current, I=\dfrac{q}{t}

I\times t=n\times e

n=\dfrac{It}{e}

e is the charge of an electron

n=\dfrac{3\ A\times 300\ s}{1.6\times 10^{-19}}

n=5.62\times 10^{21}

So, the number of electrons pass through the resistor is 5.62\times 10^{21}. Hence, this is the required solution.

6 0
3 years ago
The charges that are free to move in a metallic conducting wire and that are responsible for the flow of electric current are- a
SVEN [57.7K]

Answer:

D) The negatively charged electrons

Electricity passes through metallic conductors as a flow of negatively charged electrons. The electrons are free to move from one atom to another. We call them a sea of delocalised electrons. Current was originally defined as the flow of charges from positive to negative. Please give me the brainliest answer?

:) Hoped this helped!!! Have a good day!!! <3

3 0
2 years ago
The speed of sound in air is approximately 340 m/s. The speed of light in air is approximately 3 x 108 m/s. If 10 seconds elapse
olya-2409 [2.1K]

Answer:

3400 m

Explanation:

Both lightning and thunder happen at the same time but one is faster than the other. The distance traveled by a sound can be calculated from its speed such that;

 speed = distance/time, hence, distance = speed x time.

<em>For a thunder with 340 m/s speed and 10 seconds away from lightning, the distance between the thunder and the lightning can be calculated as</em>;

distance = 340 m/s x 10 s = 3400 m

     

3 0
2 years ago
At which location could you place the south pole of a bar magnet so that it would be pulled toward the magnet shown?
stepan [7]

Answer:

The north pole.

Explanation:

3 0
3 years ago
Calculate the magnitude of the gravitational force exerted by the Moon on a 79 kg human standing on the surface of the Moon. (Th
Luden [163]

Answer:

F= 134.92 N

Explanation:

Given that

The mass of the moon ,M = 7.4 x 10²² kg

The mass of the man ,m = 79 kg

The radius ,R= 1.7 x 10⁶ m

The force exerted by moon is given as

F=G\dfrac{Mm}{R^2}

Now by putting the values in the above equation we get

F=6.67\times 10^{-11}\times \dfrac{79\times 7.4\times 10^{22}}{(1.7\times 10^6)^2}\ N\\F=134.92 N

Therefore the force will be 134.92 N.

F= 134.92 N

8 0
3 years ago
Other questions:
  • Physical Science, please explain!
    14·2 answers
  • If the volume of a hot air balloon remains constant, what happens as the temperature of the air inside the balloon increases?
    9·1 answer
  • You have a 16-kg suitcase. what work did you do when you have slowly lifted it 0.80 m upward?
    10·1 answer
  • Consider the following statements about Newton's 2nd law in general. Select all of the statements that are true. Note, there may
    15·1 answer
  • Iron has more mass than gold. Does this mean that the density of iron is greater
    6·2 answers
  • A person stands on a scale in an elevator. his apparent weight will be the greatest when the elevator:
    8·2 answers
  • What is the force felt by the electrons and the nuclei in the rod when the external field described in the problem introduction
    12·1 answer
  • What is one disadvantage of using a ramp?
    7·1 answer
  • Pa help po science po yan pang grade 7
    10·1 answer
  • What causes satellites to remain in orbit above Earth?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!