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Rus_ich [418]
4 years ago
13

Describe a compression and a rarefaction of a sound wave traveling through air?

Physics
1 answer:
alex41 [277]4 years ago
6 0
It all depends. on what kind of link your on like  a  hill flate serface what it has to do with its wave length find the wave lenth and you then can find your anwser hope i helped
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The mass of a planet is 8.03*10^26 kg and it is located at a distance of 6*10^14 m from the earth. Calculate the force of gravit
Deffense [45]

Answer:

F=8.88\times 10^{11}\  N

Explanation:

Given that,

Mass of a planet is 8.03\times 10^{26}\ kg and it is located at a distance of 6\times 10^{14}\ m from the Earth.

The mass of Earth is 5.972\times 10^{24}\ kg

We need to find the force of gravitation between Earth and the planet. It is given by :

F=G\dfrac{m_1m_2}{d^2}\\\\F=6.67\times 10^{-11}\times \dfrac{8.03\times 10^{26}\times 5.972\times 10^{24}}{(6\times 10^{14})^2}\\\\F=8.88\times 10^{11}\  N

<em>So, the force between them is </em>8.88\times 10^{11}\  N.

7 0
3 years ago
while flying a plane parallel to the ground a pilot releases a fuel tank in order to reduce the planes mass. what is the tanks f
stepan [7]

La velocidad vertical del tanque después de caer 10 m es 14 m/seg .

La velocidad vertical del tanque se calcula mediante la aplicación de la fórmula de velocidad , la componente vertical Vfy, del movimiento horizontal como se muestra a continuación :

Vfy=?

  h = 10 m

                              Fórmula de Velocidad vertical Vfy:

                           Vfy²  = 2*g*h

                            Vfy= √(2*9.8m/seg2* 10m )

                            Vfy= 14 m/seg

7 0
3 years ago
What is the impulse of a 1700 kg truck traveling at 22.5 m/s?
andrew-mc [135]
Impulse is just the product of mass and speed!

I = 1700 * 22.5  = 38,250 kg m/s

It does not have any special name for its units :(
3 0
3 years ago
Explain why adding oil to the moving parts of a machine can increase its efficiency
Vinvika [58]
Adding oil to the moving parts of machines can do that because it makes it smoother and takes the rust off of it.
6 0
3 years ago
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When a force is applied to an object, no work is being preformed on the object unless the object____.
Temka [501]
No work is being performed on the object unless the object is moving, as work done = force x distance
8 0
3 years ago
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