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2 years ago

9

I need help please. I’m between B or C and many responses have been B but I think that’s for if NO would be added and not SO3...

..so idk I’m confused apex

1 answer:

krek1111 [17]2 years ago

8 0

Answer:

C. More NO₂ and SO₂ would form.

Explanation:

This is an example of Le Châtelier's principle. The reaction will try to seek balance, so if you add something to the right side, the reaction will reverse until both sides are balanced again. So adding SO₃ would cause more NO₂ and SO₂ to form.

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If I have an object that starts from rest and reaches a velocity of 25m/s over a distance of 11m what is the acceleration of the

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Answer:

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Explanation:

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2 years ago

A pencil rolls horizontally of a 1 meter high desk and lands .25 meters from the base of the desk. How fast was the pencil rolli

vovikov84 [41]

Answer: 0.55 m/s

Explanation:

This situation is related to projectile motion (also called parabolic motion), where the main equations are as follows:

$x=V_{o} cos\theta t$ (1)

$y=y_{o}+Vo sin \theta t + \frac{g}{2}t^{2}$ (2)

Where:

$x=0.25 m$ is the horizontal displacement of the pencil

$V_{o}$ is the pencil's initial velocity

$\theta=0\°$ since we are told the pencil rolls <u>horizontally</u> before falling

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$y_{o}=1 m$ is the initial height of the pencil

$y=0$ is the final height of the pencil (when it finally hits the ground)

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Begining with (1):

$x=V_{o} cos(0\°) t$ (3)

$x=V_{o}t$ (4)

Finding $t$ from (2):

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Substituting (6) in (4):

$x=V_{o}\sqrt{\frac{-2y_{o}}{g}}$ (7)

Isolating $V_{o}$ :

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3 years ago

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2 years ago

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