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
Sunny_sXe [5.5K]
4 years ago
11

If a girl is standing in front of a smooth surface from which a sound is reflected, the girl may hear

Physics
2 answers:
katovenus [111]4 years ago
7 0
D. Two similar sets of sounds if she is also near the source of the sound
gavmur [86]4 years ago
3 0
Near the surface of reflection, reflected wave may interfere with incident wave leading to production of constructive and as well as destructive interference. This in turn, can result to resonance as well as enhancement of the sound intensity as the waves of reflection adds to incident wave. Therefore, the girl would higher intensity of reflected waves as compared to incident waves.

Therefore, statement A is correct.
You might be interested in
A 160-m long ski lift carries skiers from a station at the foot of a slope to a second station 40 m above. What is the IMA of th
Dmitrij [34]

Answer:

ima is l/h so 160/40 = 4

Explanation:

4 0
4 years ago
Read 2 more answers
A tired physics professor can easily read the fine print of the financial page when the newspaper is held at arm's length, 61.5
leva [86]

Answer:

45.04 cm

Explanation:

The tired physics professor red easily at a distance of 26 cm

So v = 26 cm

And it is given that object distance that is u = 61.5 cm

There is relation between focal length object distance and image distance that is \frac{1}{f}=\frac{1}{v}-\frac{1}{u}

Here f =focal distance v = image distance and u = object distance

So \frac{1}{f}=\frac{1}{26}-\frac{1}{61.5}

So f=45.04 cm

3 0
3 years ago
A car with good tires on a dry road can decelerate (slow down) at a steady rate of about 5.0 m/s2 when braking. if a car is init
Sladkaya [172]

The time required by the car to stop is 4.916 sec.

Since the car is moving with the constant deceleration we can apply the first equation of motion to calculate the time required by the car to stop.

The first equation of motion is given as

V=u+at

Here, V=final speed of the car=0 mi/h as the car stops

u =initial speed of the car=55 mi/hr=24.58 m/s

a= acceleartion =-5 m/s^2 (here negative sign indicates for deceleration)

Now applying the values in the first equation

V=u+at

0=24.58-5*t

t=4.916 sec

Therefore the car will stops in 4.916 sec.

8 0
3 years ago
What must be true about two objects if heat is flowing between them? the objects must be different temperatures. the objects mus
VladimirAG [237]
They must have different temperatures.
4 0
4 years ago
Read 2 more answers
List five instruments of mechanical fluid ​
Ludmilka [50]
The Barometer: The barometer is a device meant for measuring the local atmospheric pressure. ...
Piezometer or Pressure Tube: ...
Manometers: ...
The Bourdon Gauge: ...
The Diaphragm Pressure Gauge: ...
Micro Manometer (U-Tube with Enlarged Ends):
8 0
3 years ago
Read 2 more answers
Other questions:
  • A spring whose spring constant is 850 N/m is compressed 0.40 m. What is the maximum speed it can give to a 500 g ball? ____m/s
    12·1 answer
  • A long string is pulled so that the tension in it increases by a factor of four. If the change in length is negligible, by what
    7·1 answer
  • What is the electric field (given as a vector) at coordinates (x,y,z) = (1m,2m,2m) produced by a point charge of 4 μC sitting at
    5·1 answer
  • According to newton's second law of motion the acceleration of an object
    6·1 answer
  • About ________ percent of wais scores fall between 70 and 130.
    12·1 answer
  • Which of the statements is true of facilitated diffusion?
    10·1 answer
  • what is the difference in gravitation potential energy when a 3.5 of box is raised from a height of 1.2m to a height of 4.0m?​
    6·1 answer
  • According to Bohr each orbit an electron could travel in had a certain amount of ________ associated with it.
    13·2 answers
  • When the distance between two objects doubles, what happens to the gravitational attraction between these two objects?
    6·1 answer
  • Two cars are moving. The first car has twice the mass of the second car but only half as much kinetic energy. When both cars inc
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!