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nordsb [41]
2 years ago
9

To fully complete this project, you will submit the following: complete the data table with values that you determine from the v

ideo and calculated. find the average wave speed as asked for in question 3. find the mathematical speed of sound as asked for in question 4. show your calculation. answer to question 5 in complete sentences.
Physics
1 answer:
mylen [45]2 years ago
4 0

Since no data table was provided, the wave speed be calculated by taking the mean of speed values.

Also, the mathematically derived speed of sound is 343 m/s at 20 °C.

<h3>What is speed of sound in air?</h3>

Sound is an example of a mechanical wave and require a material medium for it's transmission.

The speed of sound in air has been determined to be about 343 m/s at 20 °C.

The average wave speed can be calculated using the formula:

  • Average wave speed = (initial speed + final speed)/2

The formula relating speed of a wave, frequency, and wavelength is given below:

  • Speed = wavelength × frequency.

It is important to note that in this question, no data table or video was provided.

Therefore, the wave speed be calculated by taking the mean of speed values obtained in the experiment as shown in the video.

Also, the mathematically derived speed of sound is 343 m/s at 20 °C.

Learn more about speed of waves at: brainly.com/question/2847127

#SPJ2

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A 50-cm-long spring is suspended from the ceiling. A 330g mass is connected to the end and held at rest with the spring unstretc
Anvisha [2.4K]

Explanation:

Given that,

Length of the spring, l = 50 cm

Mass, m = 330 g = 0.33 kg

(A) The mass is released and falls, stretching the spring by 28 cm before coming to rest at its lowest point. On applying second law of Newton at 14 cm below the lowest point we get :

kx=mg\\\\k=\dfrac{mg}{x}\\\\k=\dfrac{0.33\times 9.8}{0.14}\\\\k=23.1\ N/m

(B) The amplitude of the oscillation is half of the total distance covered. So, amplitude is 14 cm.

(C) The frequency of the oscillation is given by :

f=\dfrac{1}{2\pi}\sqrt{\dfrac{k}{m}} \\\\f=\dfrac{1}{2\pi}\sqrt{\dfrac{23.1}{0.33}} \\\\f=1.33\ Hz

5 0
4 years ago
A burning candle is covered by a jar as shown in the picture. The whole arrangement has a mass of 500 g. What will be the approx
topjm [15]

Technically, I can't answer the question, because you won't
let me see the picture that goes along with it and is a part of it. 
But I'm familiar with the set-up, have dealt with the question before,
and I can answer it from my previous experience and general knowledge.

If there is 500g of mass inside the jar when you lower it over
the candle, then there will be 500g of mass at any time after that,
forever, or until you pick up the jar and take some mass out or put
some more in.  It doesn't matter how long you wait.  It also doesn't
matter whether or not the candle is burning, whether or not the sun
is shining on the jar, or whether somebody comes along and spray-paints
the outside of the jar with black paint.  Matter is not created or destroyed. 
Whatever mass was inside when the jar got closed stays in there.
 
7 0
3 years ago
Read 2 more answers
In a race, a car travels 60 times around a 3.6km track. This takes 2.4 hours. What is the average speed of the car?​
Finger [1]

Answer:

multiply

Explanation:

multiply

8 0
3 years ago
Read 2 more answers
ANSWER QUICKLY PLEASE &lt;3
Sladkaya [172]

The forces on one of the wires will be 0.000264 N.It is the field sensed around a moving electric charge that gives rise to the magnetic force.

<h3>What is a magnetic field?</h3>

It is the type of field where the magnetic force is obtained. With the help of a magnetic field. The magnetic force is obtained it is the field felt around a moving electric charge.

The given data in the problem is;

I is the current = 6.50 A

B is the magnetic field=f 2.71 X 10⁻⁵ T

The force on the wire is;

\rm F= BIL \\\\\ F=2.71 \times 10^{-5} \ T \times 6.50 \  A \times 1.50 \ m \\\\\ F=0.000264225 \ N

Hence, the force on one of the wires will be 0.000264 N.

To learn more about the magnetic field refer to the link;

brainly.com/question/19542022

#SPJ1

6 0
2 years ago
What is the main cause of convection: a.pressure b. density c. weight d. altitude
densk [106]

Answer:

density

Explanation:

Convection currents are the result of differential heating. Lighter (less dense), warm material rises while heavier (more dense) cool material sinks. It is this movement that creates circulation patterns known as convection currents in the atmosphere, in water, and in the mantle of Earth.

LET ME KNOW IF THIS HELPED :)

7 0
3 years ago
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