Write two complete sentences for each question for a total of four complete sentences. What is the purpose of cellular respiration? How is cellular respiration similar to photosynthesis?

PLEASE HELP ME

Answer:

b and d

Explanation:

b and d is not true abouth the titan

Answer:

D. it has lakes of water that are similar to Earths

Explanation:

I took the 3.10 quiz

Strange as it may seem, the statement in the question appears to be TRUE.  

-- Before the shot, neither the cannon nor the ball is moving, so their combined momentum is zero.  

-- Since momentum is conserved, we know immediately that their combined momentum AFTER the shot also has to be zero.

-- (20g is rather puny for a "cannonball" ... about the same weight as four nickels. But we'll take your word for it and just do the Math and the Physics.)

-- Momentum = (mass) x (velocity)

After the shot, the momentum of the cannonball is

(0.02 kg) x (100 m/s ==> that way)

Momentum of the ball = 2 kg-m/s ==> that way.

-- In order for both of them to add up to zero, the momentum of the cannon must be (2 kg-m/s this way <==) .

Momentum of cannon = (5 kg) x (V m/s this way <==)

2 kg-m/s this way <== = (5 kg) x (V m/s this way <==)

Divide each side by (5 kg):

V m/s  =  (2/5) m/s this way <==

Speed of recoil of the cannon = -- 0.4 m/s

It will take approximately 354 seconds for the docking shuttle to decelerate and come to a stop at the docking station.

we can find the distance the shuttle needs to travel before coming to a stop:

v^2 = u^2 + 2as

The distance the shuttle needs to travel is -160,000 / (b*t^2), where b is the coefficient of deceleration.

The distance is also given by s = ut + 1/2at^2, where u is the initial velocity and a is the deceleration rate.

Thus, solving for t gives a value of approximately 354 seconds, or about 5.9 minutes, for the docking shuttle to decelerate and come to a stop at the docking station.

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Answer:

False

Explanation:

A net force on an object causes acceleration or a change in direction....not 'neither'

It is false that if a net force acts on an object, the object may change speed, change direction or do neither. Details about motion can be found below.

Newton's first law of motion also called law of inertia states that an object will remain at rest until it is acted upon by an external force.

This law suggests that an object will change direction or speed when acted upon by a net force.

Therefore, it is false that if a net force acts on an object, the object may change speed, change direction or do neither.

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Mars is believed to have significantly less metal in its core than Earth due to its smaller size and differences in planetary formation processes.

Mars and Earth formed around the same time, approximately 4.6 billion years ago, through the process of accretion. However, their formation processes differed in some aspects, resulting in variations in their compositions. Mars is smaller than Earth, with a diameter of about 6,779 kilometers, compared to Earth's 12,742 kilometers. Due to its smaller size, Mars has a lower mass and gravity, which could have led to a lower concentration of heavy metals sinking into its core during formation.

Additionally, the abundance of metal-rich meteorites and other materials available during the formation of the two planets may have been different. Earth may have received more metal-rich materials due to its larger size and stronger gravitational pull, whereas Mars, being farther from the Sun, may have had less access to these building blocks.

Another factor is the differentiation process that both planets underwent. Earth's core is believed to have separated more efficiently from its mantle, leading to a higher concentration of heavy metals in its core. Mars, on the other hand, may have experienced a less efficient differentiation process, resulting in a less metal-rich core.

In summary, Mars's smaller size, differences in planetary formation, and less efficient differentiation process contribute to its core containing significantly less metal than Earth's core.

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Answer:

c. The smallest part of helium

Water molecule \(\rm (H_2O)\) is not an example of an atom. Two hydrogen atoms (H) bond with one oxygen atom (O) to make the chemical. Therefore, the correct option is A.

The fundamental unit of matter is the atom, which is composed of an electron-orbiting nucleus containing protons and neutrons. It is the smallest, indivisible unit of an element and it still has all of its original chemical properties.

Options B and C, on the other hand, give a detailed description of specific chemical elements such as oxygen and helium, which are examples of atoms. The fundamental building block of an element is an atom, which is made up of an electron-bound nucleus (which consists of protons and neutrons).

Therefore, the correct option is A.

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The gravitational force of attraction between two objects is 2.964 x 10⁻9 N. So, the correct option is D.

Gravitational force is defined as the force of attraction experienced by a body due to the gravity of earth.

Here,

Mass of each body,

m₁ = m₂ = 5 kg

Distance between the masses, r = 0.75 m

The equation for gravitational force is given by,

F = Gm₁m₂/r²

where G is the gravitational constant.

Therefore,

F = (6.67 x 10⁻¹¹x 5 x 5)/(0.75)²

F = 166.75 x 10⁻¹¹/0.5625

F = 2.964 x 10⁻9 N

Hence,

The gravitational force of attraction between two objects is 2.964 x 10⁻9 N.

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Answer:

766.7 watts

Explanation:

P=W/T

work= F*d

= F*5.3 m/4.2s

to student is working against gravity

so mgh= 62kg* 5.3m*9.8 m/s2= 3220.28 Nm

so that divided by 4.2 should be 766.7 watts

if my answer helps please mark as brainliest.

The curve with the given vector equation r(t) = ⟨\(t^2 - 1, t\)⟩ is a parabola that opens to the right, and the arrow indicating the direction of increasing t points to the right.

To sketch the curve with the given vector equation r(t) = ⟨\(t^2 - 1, t\)⟩, we can plot points for various values of t. For example, when t = 0, r(0) = ⟨-1, 0⟩; when t = 1, r(1) = ⟨0, 1⟩; when t = -1, r(-1) = ⟨0, -1⟩. We can continue to plot points for other values of t and connect them to form a smooth curve.

To indicate the direction in which t increases, we can draw an arrow along the curve that points in the direction of increasing t. In this case, we can see that as t increases, the curve moves to the right, so the arrow should point to the right.

   *

        |

        |

 *------*------*

        |

        |

        *

The arrow indicating the direction in which t increases can be drawn tangent to the curve at any point, such as the point (0, -1) where t = -1. This arrow would point to the right, since t increases as we move from left to right along the curve.

Hence, the given vector equation has a curve which is parabolic in nature.

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A coin falls off a table and is traveling to the ground. There is a net force on the coin which is responsible for the motion of the coin. Thus, the correct option is A.

The net force can be defined as is the sum of all the forces which are acting on an object. Net force acting upon an object can accelerate its mass. Some other forces also acts on a body either at rest or motion. The net force is used in a system when there is a significant number of forces acting on the object.

A coin which falls off a table and is still traveling to the ground. Then, it can be concluded that there is a net force which is acting on that coin which is responsible for the motion of the coin.

Therefore, the correct option is A.

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Answer:

  4. none of the above

Explanation:

A "15 °C calorie" (with a lower-case 'c') is defined as the amount of energy required to raise 1 gram of water from 14.5 °C to 15.5 °C at standard atmospheric pressure. That definition is one of at least 7 different definitions of the "gram calorie".

A Calorie (with an upper-case 'C') is 1000 calories. So the choice "1 Calorie" is attractive, but incorrect. It is 1000 times the amount of heat described.

none of the Joule or Calorie choices is correct

A helium atom (mass = 4m) moving with speed v collides elastically with a deuterium (hydrogen 2) atom (mass = 2m) at rest.  The percentage change in the kinetic energy of the helium atom after the collision is 50%.

Generally, This is because in an elastic collision, kinetic energy is conserved, and the total kinetic energy of the system is the same before and after the collision.

The helium atom has twice the mass of the deuterium atom, so it has half the velocity after the collision.

Since kinetic energy is given by 1/2mv^2, the velocity is squared, so a decrease in velocity by a factor of two results in a decrease in kinetic energy by a factor of four, which is equivalent to a decrease of 50%.

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Explanation:

The amount of CD is 35 g, and the amount of AC is 40 g.

Explanation:

AB + CD \rightarrow AC + BDAB+CD→AC+BD

The law of conservation of mass states that in any chemical reaction, the total mass of the reactants must be equal to the total mass of the products.

In this reaction, we know the mass of one reactant (AB, 15 g) and the mass of one product (BD, 10 g). In order to have the same total mass on the left side and on the right side of the equation, the mass of AC must be 5 g more than the mass of CD. We see that the only choice that satisfies this condition is:

The amount of CD is 35 g, and the amount of AC is 40 g.

In fact, if we assume these masses are correct, we have:

- on the reactant side: m(AB)+m(CD)= 15g + 35g = 50g

- on the product side: m(AC)+m(BD)= 40g + 10g = 50g

so, we have the same mass on both sides of the equation, and the law of conservation of mass is satisfied.

Answer:

B is  the answer on edge

Explanation:

B: The amount of CD is 35 g, and the amount of AC is 40 g.

Answer:

200km

Explanation:

Use the formula Distance = speed × time ( transpose the speed formula )

Also remember to converted the minutes into hour because the answer asked for it in Km do this by dividing by 60

Answer:

D. All bulbs will go out

Explanation:

This is a series circuit. If one bulb goes out, all the other bulbs will not light since it is now an incomplete circuit. The circuit cannot flow to the other bulbs since one bulb is out which will prevent current from flowing to the rest of the circuit.

Answer:

probaby not

Explanation:

you might get thrown in jail tho

The (a) equation of motion for a body of mass 9 kg, moving along the x-axis under the force given by x(t) = 5 cos((√(1/3))t) (b) displacement is 5m

Newton's second law states that the force acting on an object is equal to the mass of the object multiplied by its acceleration. In this case, the force F is given as F = (-3x) N. Thus, we can write the equation of motion as m\(\frac{d^{2}x }{dt^{2} }\) = -3x.

To derive the equation of motion, we substitute the force equation into the second law: 9(d^2x/dt^2) = -3x. Simplifying this equation gives us

\(\frac{d^{2}x }{dt^{2} }\) = -(1/3)x. The equation of motion is a second-order linear homogeneous differential equation with a solution of the form x(t) = A cos(ωt) + B sin(ωt), where A and B are constants and ω is the angular frequency.

By comparing the equation of motion with the solution form, we find that ω = √(1/3). Thus, the equation of motion is x(t) = A cos((√(1/3))t) + B sin((√(1/3))t). To determine the constants A and B, we use the initial conditions. At t = 0, x = 5 m and v = 0. Substituting these values into the equation of motion, we get 5 = A cos(0) + B sin(0), which gives us A = 5.

Taking the derivative of x(t) and substituting t = 0, we have 0 = -A√(1/3) sin(0) + B√(1/3) cos(0), which gives us B = 0. Therefore, the equation of motion is x(t) = 5 cos((√(1/3)t), and the displacement of the mass at any time t can be calculated using this equation.

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The procedure is not found here but a chemical reaction is characterized to be a process where substances are converted into products.

A chemical reaction is a process where one or more reactants are converted into chemical products.

In a chemical reaction, enzymes are molecules that speed up the process by lowering its activation energy.

In conclusion, the procedure is not found here but a chemical reaction is characterized to be a process where substances are converted into products.

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Porosity refers to the measure of empty or void spaces within a material or substance. It represents the extent to which a material can hold or transmit fluids (such as air, water, or other liquids or gases) within its structure.

The general relationship between porosity, pore volume compressibility, and pressure is given by the following formula:φ = φo[1 + CTC(P-Po)], Where,φ is the effective porosity at reservoir conditions.φo is the measured porosity in the lab.CTC is the pore volume compressibility. P is the overburden pressure. Po is the pore pressure.

The values of the given variables are,φo = 20%Ctc = 9x10⁻⁶ psi⁻¹P = 4500 psiPo = 1650 psi.

Therefore, substituting the values in the equation;φ = 20% [1 + 9x10⁻⁶ x (4500-1650)]φ = 20% [1 + 2.835]φ = 20% [3.835]φ = 76.7%.

Therefore, the porosity under reservoir conditions is 76.7%.

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Formula: v = s+f/2

v = average velocity

s = starting velocity

f = final velocity

Use what we are given and solve.

v = 0+(-7.68)/2

v = -7.68/2

v = -3.84

Best of Luck!

Boyle's law is a fundamental law of physics that describes the behavior of gases at a constant temperature. According to this law, the volume of a fixed quantity of gas is inversely proportional to the gas's pressure. This means that as the pressure of a gas increases, its volume decreases and vice versa.

To verify Boyle's law, we can perform an experiment using a simulation. In this experiment, we set the number of "Heavy" gas molecules to 100 and remove heat to set the temperature to 298 K. Then, we select "Temperature (T)" from the menu Hold Constant and measure the width of the container in nm.We can then set the width of the box by moving the adjustable wall of the container on the left side as given in the table. We note the corresponding pressure reading in atm.

It is important to note that the pressure of the container does not remain constant because the molecules exert pressure on the walls of the box. Therefore, we consider the average pressure of the container, which varies between 11.2 and 12.0 atm, to be 11.6 atm.By completing the table with our raw data for the pressure in the container at each width, we can plot a graph of volume versus the inverse of pressure (1/P) to verify Boyle's law.

The graph should show a linear relationship, which confirms that the volume of a fixed quantity of gas is indeed inversely proportional to its pressure at a constant temperature.Overall, this experiment demonstrates the importance of Boyle's law in understanding the behavior of gases and its practical applications in various fields of science and engineering.

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Option D is correct. If you want assistance, any of the ways listed above can assist you in generating pre-questioning ideas.

One way of teaching and understanding comprehension is the pre-questioning technique. Prequestioning concepts can be found in textbooks, professors, and study groups.

Teachers can provide some questions connected to the topic of study for comprehension. Questions can also be obtained through study groups and ideas can be obtained from textbooks of similar disciplines.

Hence Option D is correct.

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(A)  The position of the sandbag 1.06s after its release is 45.3 m. (B) the x component of the velocity of the sandbag at 0.280s after its release is 5.00 m/s. (C) The bag will strike the ground after 8.9s. (D) It is moving at a velocity of 7.86 m/s. (E) The greatest height above the ground that the sandbag reaches is 45.3 m.

The sandbag was released from a hot air balloon at a velocity of 5.00 m/s and was released 40.0 m above the ground. After 1.06 s, the position of the sandbag was 45.3 m.

The x-component of the velocity of the sandbag was 5.00 m/s 0.280s after its release. The sandbag will strike the ground after 8.9 seconds, moving at a velocity of 7.86 m/s.

The greatest height above the ground that the sandbag reaches is 45.3 m.

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The spectrum observed from the Sun (or any star) would exhibit an absorption spectrum. This is because the outer gaseous atmosphere of the star absorbs specific wavelengths of light, resulting in dark absorption lines in the spectrum.

In the cooler, lower-density outer atmosphere, where white light from the star travels, some atoms or molecules in the atmosphere absorb photons with particular energy. In the spectrum, these absorptions show up as black lines at specific wavelengths. The specific set of absorption lines that each element or molecule generates results in a distinctive pattern that can be used to identify the elements that are present in the star's atmosphere.

The absorption spectrum offers insightful data on the chemical make-up and physical characteristics of the star. Astronomers can ascertain the elements present, their abundances, and other characteristics like the temperature, pressure, and velocity of the star's atmosphere by examining the absorption lines.

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The final pressure in the tanks will be determined by the partial pressures of the gases and their respective mole fractions.

When the valve connecting tanks A and B is opened, the CO and N2 gases mix together to form a homogeneous mixture. According to Dalton's Law of Partial Pressures, the total pressure exerted by this mixture is equal to the sum of the partial pressures of each gas. In this case, we need to calculate the partial pressures of CO and N2.

To determine the partial pressures, we first calculate the number of moles of CO and N2 in tanks A and B using the ideal gas law. This involves considering the mass, temperature, and molar mass of each gas. By dividing the number of moles of each gas by the total number of moles in the mixture, we obtain their respective mole fractions.

With the mole fractions in hand, we can calculate the partial pressures of CO and N2 by multiplying their mole fractions by the total pressure in the tanks. Adding these partial pressures together gives us the final pressure in the tanks.

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Answer:

x

Explanation:

The question relates to the energy required to pump water out of the

spout at the top of the triangular prism tank.

The width of the layer of water Δx thick is x m.

Reasons:

The location of the layer Δx m thick = x meters above the bottom

The length of the triangular (cross-section) prism tank = 8 meters

The length of the layer Δx thick layer = 8 meters

From the attached drawing of the cross-section of the tank, we have;

The height of the triangular tank cross-section = 3 meters

The length of the base of the triangular cross-section = 3 meters

By similar triangles, we have;

\(\dfrac{Height \ of \ Tank}{Base \ length \ of \ tank}= \dfrac{Height \ of \ layer \ with \ thickness \ \Delta x }{Width \ of \ layer \ with \ thickness \ \Delta x}\)

Which gives;

\(\dfrac{3}{3} =\dfrac{x}{Required \ width}\)

\(\dfrac{3}{3} =1 = \dfrac{x}{Required \ width}\)

Required width × 1 = x

The required width = x m

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Answer:

mercury

Explanation:

edge 2020

So, the value of work that he had done is 900 J.

Hi ! Here I will discuss about the effort to raise an object. Previously, when we raised an object, the energy that we put out had to be equal to the change in potential energyHi ! Here I will discuss about the effort to raise an object. Previously, when we raised an object, the energy that we put out had to be equal to the change in potential energy that happened. This is because, the higher the height of an object, the greater value of potential energy. The equation that applies is as follows :

\( \sf{\bold{W = \Delta PE}} \)

\( \boxed{\sf{\bold{W = m \times g \times \Delta h}}} \) ... (i)

\( \boxed{\sf{\bold{W = m \times g \times (h_2 - h_1)}}} \) ... (ii)

With the following condition :

However, because the value of w (weight of the object) is already mass multiplied by gravity (w = m × g). So :

\( \sf{W = m \times g \times \Delta h} \)

\( \boxed{\sf{\bold{W = w \times \Delta h)}}} \)

With the following condition :

We know that :

What was asked :

Step by step :

\( \sf{W = w \times \Delta h} \)

\( \sf{W = 600 \times 1.5} \)

\( \boxed{\sf{W = 900 \: J}} \)

So, the value of work that he had done is 900 J.

Answer:

7.68m/s

Explanation:

At point A, height h= 0m where v=?

At point B, height of h = 3.01 m above the top of the ramp v= 0 m/s

The conservation of energy here will be energy at Point A equals energy at point B

g= acceleration due to gravity= 9.81m/s^2

(mgh + 1/2 mv^2)A = (mgh + 1/2 mv^2)B

✓But height h at point A= 0 m then energy at point A= 1/2 mv^2

✓At point B , the velocity v= 0 m/s, then Energy at point B= mgh

✓ if we equate both energy at point A and B we have

mgh=1/2 mv^2

Let us make v the subject of formula, and cancel out the "m"

v=√2gh

Then substitute the values

V= √2×9.81×3.01

V=7.68m/s

Hence, his initial speed (in m/s) at point A is 7.68m/s