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Veronika [31]
3 years ago
5

Violins,guitars, and harps produce sound by vibrating membranes....true/false

Physics
1 answer:
ikadub [295]3 years ago
7 0
False.  They're vibrating strings.  Drums have membranes (a membrane is like a sheet)
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Two planets X and Y travel counterclockwise in circular orbits about a star, as seen in the figure.
Vesnalui [34]

The angle of the planet is mathematically given as

dY= 704 degrees

<h3>What angle has planet Y rotated through during this time?</h3>

With Kepler's third rule, which states that a planet's orbit squared is a function of cubed radius, we can prove that this is the case.

Generally, the equation for the period is  mathematically given as

(periodX / periodY)^2 = (radius X / radius Y)^3

Therefore

(pX / pY)^2 = 4^3

(pX / pY)^2 = 64

\sqrt{(pX / pY )^2}= \sqrt{64}

(pX / pY=8

In conclusion, Because it takes 8 times longer to complete one orbit on planet X, planet Y travels 8 times farther than planet X does in the same time period...

planet Y travels ;

dY=8 * 88.0

dY= 704 degrees

Read more about Kepler's third rule

brainly.com/question/1086445

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5 0
2 years ago
Which would take more force to stop in 17. 3 seconds: a 3. 2 kg ball rolling in a straight line at a speed of 0. 3 m/sec or a 4.
Molodets [167]
The second one (4.1 kg ball)

This is because the mxv is greater than the other one.

For the 4.1kg ball, the force it’s moving on is 4.92N

As for the 3.2kg ball, it’s moving with a force of 0.9N. Much less than the other one.
4 0
2 years ago
As you get closer toward the sun, what happens to the period of rotations of gas giants?
vaieri [72.5K]

Answer: try a

Explanation:

4 0
3 years ago
At a certain instant after jumping from the airplane A, a skydiver B is in the position shown and has reached a terminal (consta
Lubov Fominskaja [6]

Answer:

a=2330

b= 0.223secs

Explanation:

pb=2330m

t=0.223secs

6 0
3 years ago
The standard unit for measuring volume is the _____.
Grace [21]
The answer that would best complete the given sentence above is cubic meter. The standard unit for measuring volume is the cubic meter (m^3). Volume is the quantity or the measurement of the amount of space that can be or is being occupied by matter. The metric unit for volume includes "liters" and "milliliters". 
6 0
3 years ago
Read 2 more answers
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