1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
yan [13]
2 years ago
8

Question 1 of 25 In the covalent compound CO₂, the Greek prefix used to represent the anion is

Physics
1 answer:
chubhunter [2.5K]2 years ago
3 0

Answer:

di

Explanation:

The prefix is di. CO2 is carbon dioxide. di means 2.

You might be interested in
Which fossil fuel is produced as a by-product that occurs when bacteria decompose organic material under anaerobic conditions?
Mumz [18]

Bio-gas is the naturally produced fossil fuel, a by-product when bacteria decompose organic material under anaerobic conditions.

<h3><u>Explanation:</u></h3>

Organic matter particularly waste material is broken down by bacteria through fermentation in an environmental condition without any presence of oxygen. This process of decomposition leads to formation of bio-gas with "carbon dioxide and methane" in a 2:3 ratio.

The above biological process is termed as bio-digestion or anaerobic digestion. Methane is flammable and thus bio-gas can be used as "energy source", a waste-to-energy transformation. The remaining decomposed matter is ideal as manure for plants due to its rich nutrient level.

5 0
3 years ago
Please help asap asap<br> wdtwygcbhyeegdlu tcgbihjlnkdm;fnbkhjg hv
kicyunya [14]

Answer:

B

Explanation:

Bbbb

6 0
3 years ago
One end of a 34-m unstretchable rope is tied to a tree; the other end is tied to a car stuck in the mud. The motorist pulls side
anyanavicka [17]

Answer:

Fc = 89.67N

Explanation:

Since the rope is unstretchable, the total length will always be 34m.

From the attached diagram, you can see that we can calculate the new separation distance from the tree and the stucked car H as follows:

L1+L2=34m

L1^2=L2^2=L^2=2^2+(H/2)^2  Replacing this value in the previous equation:

\sqrt{2^2+H^2/4}+ \sqrt{2^2+H^2/4}=34  Solving for H:

H=\sqrt{52}

We can now, calculate the angle between L1 and the 2m segment:

\alpha = atan(\frac{H/2}{2})=60.98°

If we make a sum of forces in the midpoint of the rope we get:

-2*T*cos(\alpha ) + F = 0  where T is the tension on the rope and F is the exerted force of 87N.

Solving for T, we get the tension on the rope which is equal to the force exerted on the car:

T=Fc=\frac{F}{2*cos(\alpha) } = 89.67N

7 0
3 years ago
A car starts from rest with an acceleration of 2.84 m/s2 at the instant when a second car moving with a velocity of 25.7 m/s pas
vredina [299]

Answer:

464.69 m

Explanation:

First car

s=ut+\frac{1}{2}at^2\\\Rightarrow s=0\times t+\frac{1}{2}2.84t^2\\\Rightarrow s=1.42t^2

Second car

Distance = Speed × Time

\text{Distance}=25.7t

Here, the time taken and the distance traveled will be the same

Equating the two equations

1.42t^2=25.7t\\\Rightarrow t=\frac{25.7}{1.42}\\\Rightarrow t=18.09\ s

So, the first would have to move 1.42t^2=1.42\times 18.09^2=464.69\ m in order to overtake the second car.

7 0
3 years ago
How does respiratory and nervous interconnected <br><br> I will make brainlest!!
stiv31 [10]
The medulla in the brain controls the breathing rate in the lungs
4 0
2 years ago
Other questions:
  • How much potential energy does a 1kg mess have 10m off the ground?
    5·1 answer
  • If you're going 80 mph how long does it take to 80 miles
    12·1 answer
  • The slope of the graph
    5·1 answer
  • Energy from the sun is _energy
    14·2 answers
  • Phileas Fogg, the character who went around the world in 80 days, was very fussy about his bathwater temperature. It had to be e
    8·1 answer
  • Any winds, like the jet stream, occur because of _____.
    7·2 answers
  • What happens when the molecules in a steel bar absorb energy, and start moving quickly?
    7·1 answer
  • Which is not a characteristic of a compound? Different samples have different properties Can be represented by a chemical formul
    10·1 answer
  • A free undamped spring/mass system oscillates with a period of 4 seconds. When 10 pounds are removed from the spring, the system
    5·1 answer
  • Olivia is on a swing at the playground. if the swing is moving from W to Z, at which point is her kinetic energy increasing and
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!