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Lisa [10]
3 years ago
15

What elements compose the stars and planets in the universe

Physics
1 answer:
Savatey [412]3 years ago
6 0

Well hydrogen would be the main element, as a process called nuclear fusion with both helium and hydrogen atoms occurs within stars. And planets are the products of dead stars that have burned through their supplies of hydrogen, helium, and carbon. Planets are a product of this.

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However, sometimes levers are designed to increase the input force needed to move an object. Which of the following is most like
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What are the answer choices, if there are any?

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3 years ago
Vector ????⃗ has a magnitude of 16.6 and is at an angle of 50.5∘ counterclockwise from the +x‑axis. Vector ????⃗ has a magnitude
natka813 [3]

Answer:

For vector u, x component = 10.558 and  y component =12.808

unit vector = 0.636 i+ 0.7716 j

For vector v, x component = 23.6316 and y component = -6.464

unit vector = 0.9645 i-0.2638 j

Explanation:

Let the vector u has magnitude 16.6

u makes an angle of 50.5° from x axis

So u_x=ucos\Theta =16.6\times cos50.5=10.558

Vertical component u_y=usin\Theta =16.6\times sin50.5=12.808

So vector u will be u = 10.558 i+12.808 j

Unit vector u=\frac{10.558i+12.808j}{\sqrt{10.558^2+12.808^2}}=0.636i+0.7716j

Now in second case let vector v has a magnitude of 24.5

Making an angle with -15.3° from x axis

So horizontal component v_x=vcos\Theta =24.5\times cos(-15.3)=23.6316

Vertical component v_y=vsin\Theta =24.5\times sin(-15.3)=-6.464

So vector v will be 23.6316 i - 6.464 j

Unit vector of v =\frac{23.6316i-6.464}{\sqrt{23.6316^2+6.464^2}}=0.9645i-0.2638j

8 0
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What are symptoms of Gomorrah
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Consumed by Fire and Brimstone would be 1 symptom of Gomorrah lol
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In order for an object to have a perfectly circular orbit, what one thing must occur?
ryzh [129]

Answer:

The second one is correct.

Explanation:

=

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What is the difference between kinetic energy and potential energy​
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Kinetic energy is the energy of a moving body while potential energy is the energy by vutue of it's position

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