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77julia77 [94]
4 years ago
10

some ways produce a disturbance and the material they travel through as a result wave travels at a different speed through diffe

rent materials through which of the following would sound waves travel the greatest speed? A the vacuum of a space B the air inside your house C a wooden dining room table or Dthe water inside the swimming pool​
Physics
1 answer:
Gelneren [198K]4 years ago
5 0

Answer:

Underwater or at the pool.

Explanation:

Sound travels 4.3 times faster then on land but you can't hear as well because it becomes distorted, but you can still hear the sound.  

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PLEASE HELP!! WILL REWARD!!
Fudgin [204]

velocity = \frac{displacement}{time}

Displacement measures how far it is from the starting point and the final location, which in this case is the distance between Honolulu and Los Angeles. The difference between distance and displacement is that distance measures how far the object actually travels. For example, the airplane may not fly in a straight line and it may have detours, making the distance much greater than the displacement.

On the other hand, the plane could fly at different speeds at different periods of time. It will be so much more complicated if we have to calculate it. That's why this question only asks you to calculate the average velocity of the plane, ie. \frac{total displacement}{total time}

So, we have

the required average velocity = \frac{2558}{5}

= 511.6 miles/hour

Hope this helps!

6 0
3 years ago
Read 2 more answers
Show the relation among MA, VR and n.<br>​
almond37 [142]

Answer:

good luck!!! sorry I just needed the points xoxo

Explanation:

umm yeah no sorry I tried

8 0
3 years ago
What is the force when an object exerts 15 pascal pressure on a square surface of side 5 meters
olga55 [171]

Answer:375N

Explanation:

pressure =15 pascal

Length of side =5 m

Area=length x length

Area=5 x 5

Area=25 m^2

Force=pressure x area

Force=15 x 25

Force=375N

3 0
3 years ago
A supersonic airplane is flying horizontally at a speed of 2650 km/h. What is the centripetal acceleration of the airplane, if i
Andrew [12]

Answer:

a_{c}=82617.65km/h^{2}\\  or\\a_{c}=6.37m/s^{2}

Explanation:

Given data

Speed v=2650 km/h

Radius r=85.0 km

To find

Centripetal Acceleration

Solution

As centripetal acceleration is given as

a_{c}=\frac{v^{2} }{r}................eq(i)

where

v is velocity

r is the radius

Substitute the given values in eq(i)

a_{c}=\frac{(2650km/h)^{2} }{85km} \\a_{c}=82617.65km/h^{2}\\  or\\a_{c}=6.37m/s^{2}

5 0
4 years ago
g Explain how electric fields are like gravitation fields and how they differ. The Electric field may be helpful
stepladder [879]

Answer:

The two fields vary with the inverse of the square of the distance

The gravitational field is always attractive, but the electric field can be attractive if the charges are of

Explanation:

The gravitational field is produced by the attraction of two masses, the electric field is due to interaction between two charges, if they are of a different sign they attract and if they are of the same sign they repel.

The two fields vary with the inverse of the square of the distance

The gravitational field is always attractive, but the electric field can be attractive if the charges are of a different sign and repulsive if the charges are of the same sign.

The gravitational field is important for objects of great masses, it shapes the planets and galaxies, the magnetic field is troublesome for the tamos and molcajetes, it shapes the micro world

8 0
3 years ago
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