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wel
3 years ago
10

Why are bacteria needed in the nitrogen cycle​

Physics
1 answer:
irakobra [83]3 years ago
7 0

Answer:

The most important part of the cycle is bacteria. Bacteria help the nitrogen change between states so it can be used. When nitrogen is absorbed by the soil, different bacteria help it to change states so it can be absorbed by plants. Animals then get their nitrogen from the plants.

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The distance versus time graph for Object A and Object B are shown.
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Both move with constant speed
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Read 2 more answers
An object in projectile motion will follow wich path
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It will tend to follow a trajectory path. When a projectile is being flung or flown away by a certain type of force, the trajectory is what it follows through the means of both force and function of time itself. It's also called as flight path.
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This force will cause the path of the particle to curve. Therefore, at a later time, the direction of the force will ___________
melisa1 [442]

Answer:

have a component along the direction of motion that remains perpendicular to the direction of motion

Explanation:

In this exercise you are asked to enter which sentence is correct, let's start by writing Newton's second law.

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          a = v² / r

          F = m v²/R

where the force is perpendicular to the velocity, all the force is used to change the direction of the velocity

in linear motion

         F = m a

where the force is parallel to the acceleration of the body, the total force is used to change the modulus of the velocity

the correct answer is: have a component along the direction of motion that remains perpendicular to the direction of motion

8 0
3 years ago
Thirty beats are heard in one minute when two notes are played together. If the higher note has a frequency of 740 Hz, what is t
Tatiana [17]
30 beats/1min = 30 beats/60 sec = .5 beat/sec = 1/2 Hz
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6 0
3 years ago
If the Test Section area has an air speed of 10 m/s, what would be the air speed at the Air Intake area
FrozenT [24]

The speed of air at the intake area is \frac{10A_2}{A_1} (m/s).

<h3 /><h3>Continuity equation</h3>

The continuity equation is used to determine the flow rate at different sections of a pipe or fluid conduit.

The continuity equation is given as;

A_1v_1 = A_2 v_2

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The speed of air at the intake area is calculated as follows;

A_1 v_1 = A_2 v_2\\\\&#10;v_1 = \frac{A_2 v_2}{A_1} \\\\&#10;v_1 = \frac{10A_2}{A_1}

Learn more about continuity equation here: brainly.com/question/14619396

4 0
3 years ago
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