nvm it dont matter no more

Answer:

Alveoli

The bronchioles end in tiny air sacs called alveoli, where oxygen is transferred from the inhaled air to the blood.

Hope this helps :)

Answer:

I think the answer is c

Explanation:

I had this problem once

Answer:

0.46 m/s (meters/second)

Explanation:

Answer:

The electrons

Explanation:

A force on the free-body diagram above which represents the normal force acting on the car include the following: D. Force A.

In Science, a free-body diagram can be defined as a graphical illustration which is typically used in the field of science to visualize moments, tension, and applied forces that are acting on an isolated or rigid object (body), while using arrows to point in the direction of these forces.

Since this car was driven to the right, with a large amount of air resistance acting on it, and its engine provides the forward motion, we can reasonably infer and logically deduce that the normal force which is acting on the car is represented by Force A as illustrated by the free-body diagram shown in the image attached above.

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Answer:

C. 28.39 gram

Explanation:

Steps:

m = V × ρ

= 34 cubic centimeter × .835 gram/cubic centimeter

= 28.39 gram

ANSWER

False.

EXPLANATION

In radioactive decay (or nuclei decay), an unstable nucleus emits radiation into a nucleus that is table and has less energy and a lower mass.

Therefore, nuclei decay from a less stable form to a more stable form.

The answer is false.

Answer:

Explanation:

Its resistor

The maximum height that the ball will reach is 25 feet. when the ball will reach its maximum height after 1.25 seconds.

The maximum height that the ball will reach can be determined by finding the vertex of the parabola represented by the function

h(t) = 40t - 16t²

The x-coordinate of the vertex can be found using the formula

x = - b / (2a)

where:

a = coefficient of the t² term

b = coefficient of the t term.

Given

a = -16

b = 40

x = -40/(2×(-16))

= 1.25

This means that the ball will reach its maximum height after 1.25 seconds. We need to substitute this value of t into the function to determine the maximum height:

h(1.25) = 40 (1.25) - 16 (1.25)²

= 50 - 25

= 25.

Therefore, the maximum height that the ball will reach is 25 feet.

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The option that does not accurately describe what we observe toward the Galactic center is, at optical wavelengths, we see a cluster of old, red stars. Option C.

This is because at optical wavelengths, the light is blocked by dust and gas in the Galactic center, and hence, we are not able to observe the old, red stars. However, at radio wavelengths, we see giant gas clouds threaded by powerful magnetic fields, which are responsible for the formation of stars in the center. At infrared wavelengths, we see a massive stellar cluster, which includes young, massive stars that emit a lot of infrared radiation.

At X rays, we see faint emission from an accretion disk around a black hole, which is the result of material being pulled into the black hole and emitting X-rays. Thus, all the other options accurately describe what we observe toward the Galactic center, except for option C.

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Answer:

a

idkdidkdidkdkkdhdksijsnansjnshejdhjsnnebdhhdbsbbshshhsnsjshs

The answer is D, ethical concerns.

Good luck on the Unit Test, fellow edge.nuity user.

Answer:

3 767 400 joules

Explanation:

4.186 J/g-C   is the specific heat of water

25  to 115  is 90 degrees C change

10 000 g   is 10 kg of water

10 000 * 90 * 4.186 = 3 767 400 Joules

The main advantage of the scientific method is that it is a systematic and objective way to acquire knowledge. The scientific method is a process for acquiring knowledge that has been used to great success in understanding the physical world. Astrology, on the other hand, is based on subjective interpretations of the positions of the stars and planets.

The scientific method is a process for acquiring knowledge that has been used to great success in understanding the physical world. It is based on the following steps:

1. **Observation:** The scientist observes a phenomenon and asks questions about it.

2. **Hypothesis:** The scientist proposes a hypothesis, or a possible explanation for the phenomenon.

3. **Experimentation:** The scientist designs experiments to test the hypothesis.

4. **Data analysis:** The scientist collects data from the experiments and analyzes it.

5. **Conclusion:** The scientist draws a conclusion about the hypothesis based on the data analysis.

The scientific method is an iterative process, meaning that the scientist may go back and forth between the different steps as needed.

Astrology, on the other hand, is a system of divination that attempts to predict future events by interpreting the positions of the stars and planets. Astrology is not based on the scientific method, and there is no evidence that it is a reliable way to predict the future.

The main advantage of the scientific method is that it is a systematic and objective way to acquire knowledge. The steps of the scientific method are designed to minimize bias and to ensure that the results of the experiments are repeatable. This makes the scientific method a reliable way to learn about the physical world.

Astrology, on the other hand, is based on subjective interpretations of the positions of the stars and planets. There is no scientific evidence to support the claims of astrology, and the results of astrological predictions are not repeatable.

In conclusion, the scientific method is a more reliable way to understand the physical world than astrology. The scientific method is based on a systematic and objective approach to acquiring knowledge, while astrology is based on subjective interpretations of the positions of the stars and planets.

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Answer:

the answer is An Arrow

Answer:

4 Newtons

Explanation:

Answer:

4

Explanation:

Answer:A 1000 kg car and a 2000 kg truck have the same momentum when the car is travelling at twice the speed of the truck, i.e. 38 m/s.

When a 1000kg car and a 2000kg truck have the same momentum, the speed of 1000 kg car is twice that of the  2000kg truck.

The product of a particle's mass and velocity is its momentum. Being a vector quantity, momentum possesses both magnitude and direction. According to Isaac Newton's second equation of motion, the force applied on a particle is equal to the time rate of change of momentum.

As  a 1000kg car and a 2000kg truck have the same momentum,

1000 kg × v₁ = 2000 kg × v₂

v₁ = 2v₂

Hence, the speed of 1000 kg car is twice that of the  2000kg truck.

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The boy has the greater linear velocity.

The linear velocity in a rotatory system is defined as:

v = ω×r

where,

v is the linear velocity

ω is the angular velocity

r is the radius.

As mentioned in the question, they are turning out at a constant rate, so the angular velocities of both the boy and the girl are the same.

The linear velocity now only depends on the radius of the disc, according to the aforementioned inference. The distance from the center has a directly proportional relationship with the linear velocity.

As a result, linear velocity increases as the distance from the center increases.

From the question, it is clear that the boy is farther away from the center than the girl is. The boy has a higher linear velocity as a result.

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Mass: The quantity of matter.

Volume: The space taken up by matter.

Conductivity: A special physical property of matter.

Lavoisier: Showed conservation of matter.

Einstein: Showed the relationship between matter and energy.

Mass is a fundamental property of matter that represents the amount of material present in an object. It is a measure of an object's inertia and is typically measured in kilograms (kg).

Volume refers to the amount of space occupied by an object or substance. It is a measure of three-dimensional space and is often measured in cubic units such as cubic meters (m³) or cubic centimeters (cm³).

Conductivity refers to the ability of a material to conduct electric current or heat. It is a measure of how easily electrons or heat energy can move through a substance. Different materials have different conductivity levels, with metals being good conductors and non-metals typically having lower conductivity.

Antoine Lavoisier was a French chemist known as the "father of modern chemistry." He conducted experiments that led to the discovery of the law of conservation of mass, which states that matter is neither created nor destroyed in chemical reactions.

Albert Einstein was a renowned physicist who developed the theory of relativity, including the famous equation E=mc². This equation demonstrates the relationship between matter (m) and energy (E), stating that energy is equal to the mass of an object multiplied by the speed of light squared (c²). It signifies the interchangeability and equivalence of matter and energy.

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Work done (J) by the force is 60i - 78j + 18k.

Given,

F = (3i - 6j) NR

= (8i + 6k) m – 12i – 18j + 24J

= F * dJ = (3i - 6j) * (8i + 6k – 12i – 18j + 24)J

= (3i - 6j) * (-4i - 18j + 6k + 24)J

= (-12i - 54j + 18k + 72i - 24j)J

= (60i - 78j + 18k)J

Work done (J) by the force is 60i - 78j + 18k.

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The electric flux passing through the surface is 8 Nm²/C.

To calculate the electric flux passing through the surface, you need to take the dot product of the area vector and the electric field vector. The area vector is given by (4î, 0, 2k) m² and the electric field vector is given by (2î, -1j) N/C.

To find the dot product, you multiply the corresponding components and sum them up:

Flux = (4î • 2î) + (0 • -1j) + (2k • 0)
Flux = (8) + (0) + (0)
Flux = 8 Nm²/C

So, the electric flux passing through the surface is 8 Nm²/C.

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(i) Switch k1 is closed:

The current passing through the circuit is:  0.25 amps

R_total = R1 + R2 = 3 + 5 = 8 ohms

The current passing through the circuit is:

i = V / R_total = 2 / 8 = 0.25 amps

(ii) Switches k1 and k2 are closed:

The current passing through the circuit is: 1.07 amps

1/R_total = 1/R1 + 1/(R2 + R3) = 1/3 + 1/(5 + 0) = 8/15

R_total = 15/8 ohms

The current passing through the circuit is:

i = V / R_total = 2 / (15/8) = 1.07 amps

(iii) Switch k1 is open and k2 is closed:

The current passing through the circuit is: 1.07 amps

1/R_total = 1/R2 + 1/(R1 + R3) = 1/5 + 1/(3 + 0) = 1/5 + 1/3 = 8/15

R_total = 15/8 ohms

The current passing through the circuit is:

i = V / R_total = 2 / (15/8) = 1.07 amps

So the current passing through the circuit depends on which switches are closed, and can range from 0.25 amps to 1.07 amps.

What is current?

Crrent refers to the flow of electric charge through a conductor, such as a wire. It is measured in amperes (A) and is defined as the rate at which electric charge flows past a given point in a circuit. current is caused by the movement of charged particles, such as electrons or ions, through a conductor.

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Answer:

a bus moving with acceleration of 2 meter per second square

Answer:

It means that it's velocity is 2m/s per s

Means it travels 2m in 1st second and 4m in 2nd sec

A. The initial PE of the tire is 200 Joules (PE = mgh = 10 kg x 20 m x 9.8 m/s² = 200 J).

B. The kinetic energy of the tire at the bottom of the hill is 200 Joules (KE = PE = 200 J).

C. The speed of the tire at the bottom of the hill is 14.4 m/s (KE = ½ mv² = 200 J, so v = √(2KE/m) = √(400/10) = 14.4 m/s).

What is K.E.?

Kinetic energy is the energy an object has due to its motion. It is defined as the work needed to accelerate an object of a given mass from rest to its stated velocity. It is calculated by multiplying half the object's mass by the square of its velocity. Kinetic energy is a scalar quantity, having magnitude but no direction.

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The acceleration of the scooter is 2.5 m/s².

To find the acceleration of the scooter, we can use the formula:

acceleration (a) = change in velocity (Δv) / time (t)

Given:

Initial velocity (u) = 10 m/s

Final velocity (v) = 20 m/s

Time (t) = 4 sec

Using the formula, we can calculate the change in velocity:

Δv = v - u

    = 20 m/s - 10 m/s

    = 10 m/s

Now, substitute the values into the acceleration formula:

a = Δv / t

  = 10 m/s / 4 sec

  = 2.5 m/s²

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The three ways in which wildfires can ravage the land include the following below::

This is referred to as bush fire and is usually unplanned and uncontrolled fire in an area which has combustible vegetation. This is common in areas with very low relative humidity and destroys habitats of organisms when it occurs.

The causes of wildfires include arson and burning of debris by individuals which could escalate to a more serious one.

This is very dangerous as it could lead to the loss of lives and properties if not properly managed.

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Answer:

(B) B is travelling fastest

Explanation:

slope of xt graph = speed.

Slope of B is greater than a and c.

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Answer:

I hope the answer helps you

Answer:

it reduces pressure

Explanation:

use of ladder / plank makes the pressure applied to uniformly distributed to all part hence increase surface area

Answer: shot

Explanation:

However, a shotgun is capable of firing multiple projectiles with each pull of the trigger. We call the projectiles “shot.” They range from super tiny (the smallest #12 shot measures only 0.05 inches in diameter) to fairly substantial (0000 buckshot measures 0.38 inches across)

When a shotgun fires multiple projectiles what is it called a shotgun slug.

A shotgun slug is a term used for a bulky solid ballistic projectile.

Shotgun shotgun slugs are used to hunt medium to large game at short ranges by firing a single large projectile rather than a large number of smaller ones.

When a shotgun fires multiple projectiles what is it called a shotgun slug.

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