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3 years ago

This illustration represents the compoundA)carbon oxide.B)carbon dioxide.C)carbon monoxide.EliminateD)monocarbon oxide.

Physics

2 answers:

pentagon [3]3 years ago

3 0

B.) Carbon Dioxide because the carbon is surrounded by oxygen

maxonik [38]3 years ago

3 0

<u>Answer:</u> The name of the given compound is carbon dioxide.

<u>Explanation:</u>

We are given a compound having 1 carbon atoms and 2 oxygen atoms.

Covalent compound is defined as the compound which is formed by the sharing of electrons between the atoms forming a compound. These are usually formed when two non-metals react.

$CO_2$ is a covalent compound because sharing of electrons takes place between carbon and oxygen atoms. Both the elements are non-metals and hence, will form covalent bond.

The nomenclature of covalent compound is given by:

The less electronegative element is written first, which is carbon.
The more electronegative element is written then (which is oxygen), and a suffix is added with it. The suffix added is '-ide'.
If atoms of an element is greater than 1, then prefixes are added which are 'mono' for 1 atom, 'di' for 2 atoms, 'tri' for 3 atoms and so on..

So, the name of the given compound is carbon dioxide.

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An aerobatic airplane pilot experiences weightlessness as she passes over the top of a loop the loop maneuver. The acceleration

Natali5045456 [20]

The radius of the loop is 18.9 km

Explanation:

When the airplane is at the top of the loop, the pilot experiences two forces:

The force of gravity, acting downward, of magnitude $mg$
The normal reaction exerted by the seat on the pilot, also acting downward, N

Since the plane is moving in a circular motion, the net force on the pilot must be equal to the centripetal force, therefore we can write:

$mg+N = m\frac{v^2}{r}$

where

m is the mass of the pilot

$g=9.8 m/s^2$ is the acceleration of gravity

N is the normal reaction

v = 430 m/s is the speed of the plane

r is the radius of the loop

Here we are told that the pilot feel weightless at the top of the loop: this means that the normal reaction is zero,

N = 0

Therefore the equation becomes

$mg=\frac{mv^2}{r}$

And so we can find the radius of the loop:

$r=\frac{v^2}{g}=\frac{430^2}{9.8}=18.9 \cdot 10^3 m = 18.9 km$

Learn more about circular motion:

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3 years ago

How does the law of inertia relate to how the planets in our solar system revolve around the sun?

Alekssandra [29.7K]

Answer:

The law of inertia relates to revolution of planets round the sun due to constant motion of the planets round the sun.

Explanation:

Law of inertia states that a body at rest or uniform motion will continue to be at rest or uniform motion unless it is acted upon by an external force.

The gravitational force keeps the planets revolving round the sun in a uniform motion, this will continue till infinity unless equal and opposite force acts on our planets.

Therefore, the law of inertia relates to revolution of planets round the sun due to constant motion of the planets round the sun.

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4 years ago

Describe 2 characteristics of the neap tide. *

Mariana [72]

Answer:

Neap tides, which also occur twice a month, happen when the sun and moon are at right angles to each other. ... This occurs twice each month. The moon appears new (dark) when it is directly between the Earth and the sun. The moon appears full when the Earth is between the moon and the sun.

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3 years ago

A rock is thrown straight up into the air. At the

Aleonysh [2.5K]

The answer is 3.

When a ball is thrown into the air, there is no friction (there's nothing rubbing against it), so the only force acting on the ball is gravity, which aims to pull the ball back down. Since this is the only force, the answer will equal the gravity acting on the ball. Since "weight" is defined as just that (the gravity acting on something), the answer is 3, the magnitude of the rock's weight (or the force of gravity).

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4 years ago

What is clinograph and how to read it

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3 years ago

Read 2 more answers