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
Salsk061 [2.6K]
4 years ago
13

What 2 things do you need to make sound? help ASAP

Physics
1 answer:
inessss [21]4 years ago
8 0

Answer:

- A vibrating object

- a medium to travel

HOPE IT HELPS :)

PLEASE MARK IT THE BRAINLIEST!

You might be interested in
If an object has a mass of 38 kg, what is its approximate weight on earth?
klasskru [66]
38*10=380 N
To be more exact, 38 should be multiplied by 9.8 instead of 10.
3 0
3 years ago
A sound wave of frequency 440 Hz is played by a musician. What is the
TiliK225 [7]

Answer:

343/440

Explanation:

Recall that v=d/t

Now, this is the same thing.

Frequency is 1/T and wavelength is the distance travelled in one period.

So Vs=f*λ

(the greek letter is used as the symbol of wavelength; it's arbitrary)

7 0
3 years ago
To live a good life and be the sort of people we ought to be, we need to develop a virtuous character that
nordsb [41]

Answer:

I belive its THAT HELPS US BE A BETTER PERSON

3 0
3 years ago
A positive and a negative charge are released from rest in vacuum. They move toward each other. As they do: A positive and a neg
Pachacha [2.7K]

Answer:

A negative potential energy becomes more negative

Explanation:

Let the charges be - Q₁ and Q₂ . Let the distance between them be d .

Potential energy = k -Q₁x Q₂ / R

= - KQ₁ Q₂ / R

Now if the magnitude of R decreases , the magnitude of potential energy increases . So we see that the negative  potential energy becomes more negative .  

4 0
4 years ago
Large wind turbines with a power capacity of 8 MW and blade span diameters of over 160 m are available for electric power genera
andriy [413]

Answer:

85413.20177 W

2050.831684248 kWh

184.5748512 dollars

Explanation:

d = Diameter of blade = 100 m

r = Radius = \dfrac{d}{2}=\dfrac{100}{2}=50\ m

\eta = Efficiency = 0.34

\rho = Density of air = 1.25 kg/m³

V = Velocity of wind = 8 m/s

A = Area = \pi r^2

The power of a wind turbine is given by

P=\dfrac{1}{2}\rho AV^3\eta\\\Rightarrow P=\dfrac{1}{2}\times 1.25\times \pi\times 50^2\times 8^3\times 0.34\\\Rightarrow P=854513.20177\ W

The power is 85413.20177 W

Energy is given by

E=Pt\\\Rightarrow E=854513.20177\times 24\\\Rightarrow E=20508316.84248\ Wh\\\Rightarrow E=2050.831684248\ kWh

The energy is 2050.831684248 kWh

The revenue is given by

0.09\times 2050.831684248=184.5748512\$

The revenue generated is 184.5748512 dollars

6 0
3 years ago
Other questions:
  • How does a perspective drawing differ from an isometric drawing of the same object? when would you use a perspective view in lie
    9·1 answer
  • A 70 kg man is standing on the earth.<br> a. what is his mass?<br> b. what is his weight?
    6·1 answer
  • The action of two forces. One is a forward force of 1157 N provided by traction between the wheels and the road. The other is a
    7·1 answer
  • When a lump of uranium is broken into smaller pieces, the total surface area of the lump
    12·1 answer
  • What kind of waves can travel through empty space or a vacuum?
    10·1 answer
  • Which part of our solar system contains the most mass?
    14·2 answers
  • A 0.6kg ball accelerated at 55 m/s​ 2​ . What force was applied?
    15·1 answer
  • What does the word 'latent' means​
    8·1 answer
  • What is the Genetic Modification Process?<br><br><br>Brainlyist for the best answer
    14·2 answers
  • 4.A guitar player is deliberately trying to produce beats by bending one string to make it almost match another unbent string’s
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!