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3 years ago

What would be the result if Earth's unique atmosphere did not exist?

Physics

2 answers:

zhannawk [14.2K]3 years ago

7 0

Life would be no longer possible .

NemiM [27]3 years ago

4 0

Answer:

D) Life will no longer be possible

Explanation:

Odyssey ware

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A hot air balloon is on the ground, 200 feet from an observer. The pilot decides to ascend at 100 ft/min. How fast is the angle

liq [111]

Answer:

0.0031792338 rad/s

Explanation:

$\theta$ = Angle of elevation

y = Height of balloon

Using trigonometry

$tan\theta=y\dfrac{y}{200}\\\Rightarrow y=200tan\theta$

Differentiating with respect to t we get

$\dfrac{dy}{dt}=\dfrac{d}{dt}200tan\theta\\\Rightarrow \dfrac{dy}{dt}=200sec^2\theta\dfrac{d\theta}{dt}\\\Rightarrow 100=200sec^2\theta\dfrac{d\theta}{dt}\\\Rightarrow \dfrac{d\theta}{dt}=\dfrac{100}{200sec^2\theta}\\\Rightarrow \dfrac{d\theta}{dt}=\dfrac{1}{2}cos^2\theta$

Now, with the base at 200 ft and height at 2500 ft

The hypotenuse is

$h=\sqrt{200^2+2500^2}\\\Rightarrow h=2507.98\ ft$

Now y = 2500 ft

$cos\theta=\dfrac{200}{h}\\\Rightarrow cos\theta=\dfrac{200}{2507.98}=0.07974$

$\dfrac{d\theta}{dt}=\dfrac{1}{2}\times 0.07974^2\\\Rightarrow \dfrac{d\theta}{dt}=0.0031792338\ rad/s$

The angle is changing at 0.0031792338 rad/s

6 0

3 years ago

Convert 435.5 lbs to kilograms

sergey [27]

Final Answer is - 197.53948

8 0

3 years ago

How to get to the daley center from pink line?

garik1379 [7]

From Pink Line, you use public transit to get to Daley Center. It will take around 16 minutes. The Richard Daley Center is located in between the streets of Randolph and Washington, and <span>Dearborn and Clark. The Bongo Room is a famous landmark near the Daley Center.</span>

6 0

4 years ago

A Imagine you derive the following expression by analyzing the physics of a particular system: v2 + 2az. The problem requires so

Nuetrik [128]

Answer:

z = 93.2 m

Explanation:

We can appreciate that this expression is equivalent to the linear motion equation with constant acceleration

v² = v₀² + 2 a d

If we make a term-to-term comparison with the expression obtained, they are equivalent

u² = v² + 2 a z

From here we can clear the position

2 a z = u² –v²

z = (u² –v²) / 2 a

Let's calculate

For the speed to reduce the acceleration must be negative

z = (0 - 21.8²) / 2(- 2.55)

z = 93.2 m

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3 years ago

Is the plant based burger the new thing of the future and will it leave or stay popular for a long time

bixtya [17]

i think it will stay

6 0

3 years ago

Read 2 more answers