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beks73 [17]
1 year ago
8

b. science-fiction films sometimes show starships being buffeted by turbulence as they fly through gas clouds such as the lagoon

nebula. does this seem realistic? why or why not?
Physics
1 answer:
Trava [24]1 year ago
5 0

A hydrogen gas cloud 3900 light-years away from the earth is called the Lagoon Nebula . Due to its high temperature of 7500 K, the cloud, which has a diameter of around 45 light-years, glows.

<h3>When flying over turbulence, is it safe?</h3>

The most crucial fact is that turbulence is not dangerous. Despite the discomfort, your plane is designed to withstand the worst. Your aircraft isn't moving near as much as you might believe, even in the worst turbulence!

<h3>What occurs in turbulence?</h3>

When an airplane flies through erratic or ferocious air waves, it creates turbulence. As a result, the aircraft will yaw, pitch, or roll as it moves through the air. Turbulence can be compared to the collision of two oceans.

To know more about Lagoon Nebula visit :-

brainly.com/question/2135790

#SPJ4

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A composite material is to be designed with epoxy (Em 3.5 GPa) and unidirectional fibers. The longitudinal elastic modulus of th
LenKa [72]

Answer:

Minimum elastic modulus of fiber = 455.64 GPa

Explanation:

Contents of composite material = Epoxy and Unidirectional fibers

Elastic modulus of epoxy = 3.5 GPa

Elastic modulus of composite material = 320 GPa

Volume fraction of fiber = 70 %

Volume fraction of epoxy = 100 - 70 = 30%

Elastic modulus of composite material = 3.5 x 0.3 + Elastic modulus of fiber x 0.7 = 320

0.7 x Elastic modulus of fiber = 320 - 1.05 = 318.95

Elastic modulus of fiber = 455.64 GPa

Minimum elastic modulus of fiber = 455.64 GPa

5 0
3 years ago
A jet plane comes in for a downward dive as shown in the figure below.
xxTIMURxx [149]

The solution would be like this for this specific problem:

<span>5.5 g = g + v^2/r </span><span>
<span>4.5 g = v^2/r </span>
<span>v^2 = 4.5 g * r </span>
<span>v = sqrt ( 4.5 *9.81m/s^2 * 350 m) </span>
v = 124 m/s</span>

So the pilot will black out for this dive at 124 m/s. I am hoping that these answers have satisfied your query and it will be able to help you in your endeavors, and if you would like, feel free to ask another question.

8 0
3 years ago
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What is a true statement about the rotation period of the moon?
mrs_skeptik [129]
The time it takes for the Moon to rotate once around its axis is equal to the time it takes for the Moon to orbit once around Earth
5 0
3 years ago
1) An object travels 15 m in 3 s. What is its' speed?​
Sav [38]

Answer:

5m/s

Explanation:

Distance/Time= Speed

D/T=S

15/3=S

5=S

8 0
3 years ago
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