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Alex
3 years ago
11

PLEASE HELP!!! FIRST IS BRAINLIEST!!!

Physics
2 answers:
OlgaM077 [116]3 years ago
7 0

The material or substance that a wave moves through is called a medium. The medium affects the speed of the wave that passes through it. One factor that affects the speed of a wave is the type of medium. Some waves move faster in solids and some waves move faster in liquids and gases. Another factor that affects wave speed is the temperature of the medium. 

Verizon [17]3 years ago
6 0
1. A Medium

2.  One of these 4, the refractive index of the medium  <span>Choose whichever are on the test.

3. </span>properties and nature of medium, Hope this helps.
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Arocket launches at an angle of 33.6 degrees from the horizontal at a
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Answer:

Y component = 32.37

Explanation:

Given:

Angle of projection of the rocket is, \theta=33.6

Initial velocity of the rocket is, u=58.5

A vector at an angle \theta with the horizontal can be resolved into mutually perpendicular components; one along the horizontal direction and the other along the vertical direction.

If a vector 'A' makes angle \theta with the horizontal, then the horizontal and vertical components are given as:

A_x=A\cos \theta(\textrm{Horizontal or X component})\\A_y=A\sin \theta(\textrm{Vertical or Y component})

Here, as the velocity is a vector quantity and makes an angle of 33.6 with the horizontal, its Y component is given as:

u_y=u\sin \theta

Plug in the given values and solve for u_y. This gives,

u_y=(58.5)(\sin 33.6)\\u_y=58.5\times 0.55339\\u_y=32.373\approx32.37(\textrm{Rounded to two decimal places})

Therefore, the Y component of initial velocity is 32.37.

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3 years ago
A soccer ball is kicked 8 m north. Then a teammate kicks it 6 m east into the goal. What is the soccer ball’s displacement from
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Give reason Pascal is a derived unit​
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Answer:

Pascal is a derived unit because <u>it</u><u> </u><u>cannot</u><u> </u><u>be</u><u> </u><u>expressed</u><u> </u><u>in</u><u> </u><u>any</u><u> </u><u>physics</u><u> </u><u>terms</u><u>,</u><u> </u><u>but</u><u> </u><u>it</u><u> </u><u>is</u><u> </u><u>an</u><u> </u><u>expression</u><u> </u><u>of</u><u> </u><u>fundamental</u><u> </u><u>quantities</u><u>.</u>

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Answer:

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Explanation:

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What part of a standing sound wave does a musician seek in playing a musical note of a specific pitch?
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The correct answer to the question above is that the magician is seeking the wavelength of the standing wave. The part of a standing sound wave, which is its wavelength, the magician is seeking when playing a musical note of a specific pitch. 
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