Volume equals 4÷3 times pi times nine to the power of 3

A sweptwing airplane with weak static directional stability and increased dihedral causes an increase in Dutch roll tendency. Option B.

Increasing speed increases the air flowing over and under the wing. An increase in the relative wind influence on the underside of the wing creates a large amount of air that is deflected downward, creating more lift. This is because the outer wing travels a longer distance than the inner wing, but both complete their rotation in the same amount of time.

As a result, the outer wing flies faster than the inner wing creating more lift. Since the bottom surface of the airfoil has a larger radius of curvature than the top surface, lift begins to increase with the angle of attack. Therefore the pressure gradient is downward. This means that the lower surface has a higher pressure than the upper surface and the wing receives a lift.

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Answer:

because nono gravity

Explanation:

no gravity

Answer:

The goals of human development are varied and complex, but they generally involve improving the well-being and opportunities for individuals and communities. Here are some of the main goals of human development:

1. Enhancing individual capabilities: This goal involves ensuring that individuals have access to the resources and opportunities they need to develop their full potential and lead fulfilling lives. This includes access to education, healthcare, and basic necessities such as food, water, and shelter.

2. Promoting economic development and growth: This goal involves creating conditions that support economic growth and development, including creating jobs, encouraging entrepreneurship, and promoting trade and investment.

3. Advancing social justice and equity: This goal involves ensuring that all individuals have equal access to opportunities and resources, regardless of their background or circumstances. This includes promoting gender equality, reducing inequality, and addressing discrimination and social exclusion.

4. Protecting the environment: This goal involves promoting sustainable development practices that protect the environment and prevent environmental degradation. This includes addressing climate change, reducing pollution, and protecting natural resources.

5. Fostering peaceful and inclusive societies: This goal involves creating conditions that support peaceful and inclusive societies, including promoting human rights, reducing conflict and violence, and fostering social cohesion.

These goals are interrelated and often require a comprehensive and integrated approach to achieve. Human development efforts can involve a wide range of stakeholders, including governments, civil society organizations, businesses, and individuals, and may require cooperation and collaboration across sectors and disciplines.

Explanation:

A. Decrease the mass of one of the objects.

B. Increase the distance between the objects.

this two changes would decrease the gravitational force between two

objects. Hence option A and B is correct.

Gravitational force is force of attraction between two masses. Gravitational force(F) between two bodies is directly proportion to the product of masses(m₁,m₂) of two object and inversely proportional to square of distance(r) between them. mathematically it is written as,

F ∝ m₁.m₂

F ∝ 1/r²

F = G m₁,m₂÷r²

where G is gravitational constant, whose value is 6.6743 × 10⁻¹¹ m³ kg-1s⁻².

Force is expressed in Newton N in SI unit. its dimensions are [M¹L¹T⁻²].

This is analogous with coulomb's law which gives force between two charges.

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Answer:

A chemical symbol is a one- or two-letter designation of an element. Compounds are combinations of two or more elements. A chemical formula is an expression that shows the elements in a compound and the relative proportions of those elements. Many elements have symbols that derive from the Latin name for the element.

Energy can neither be created nor destroyed during a chemical reaction but it can only be transformed from one form of energy to another form of energy.

Energy transformation refers to energy conversion from one form of energy to another form of energy.  such as in a hydroelectric dam that transforms the kinetic energy of water into electricity. The work of the energy transformations that take place in living organisms the leads to work.

While energy can be transformed, the total quantity of energy remains the same so  this is known as energy conservation.

So we can conclude that Energy transformation also known as energy conversion, is the procedure of changing energy.

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Evaluate skill performance against a scale is known as Rubrics; option D

Performance evaluation is the systematic process of assessing the performance of an individual in a certain task, skill or job.

Performance evaluation is done against a set of standard measurements or a rating scale known as Rubrics.

Rubrics use a set of specific criteria to evaluate an individual student or a group of students performance in a certain task assigned to them.

Rubrics use  a rating system where points or scores are awarded depending on the skillset level or ability demonstrated.

In conclusion, rubrics are used to evaluate performance.

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Given:

Thermal energy is denoted by W

Chemical energy is denoted by X

Electrical energy is denoted by Y

Kinetic energy is denoted by Z

To find the order of energy while converting bagasse to electricity.

Explanation:

The bagasse has chemical energy stored in it.

The bagasse is burned, so chemical energy gets converted into thermal energy.

The thermal energy gets converted into kinetic energy.

The kinetic results in the motion of electrons.

Thus, producing electrical energy.

Hence, the conversion order is XWZY

The bathroom heater dissipates 1260 watts of power when connected to a 120 V potential difference and drawing 10.5 A of current.

To calculate the power dissipated by the bathroom heater, we need to use the formula P = VI, where P is the power, V is the potential difference, and I is the current. In this case, the current is 10.5 A and the potential difference is 120 V. Plugging these values into the formula, we get:
P = (120 V) * (10.5 A) = 1260 W
Therefore, the bathroom heater dissipates 1260 watts of power when connected to a 120 V potential difference and drawing 10.5 A of current. This is a fairly high amount of power for a bathroom heater and should be taken into consideration when using it. It is important to make sure that the electrical circuit and wiring can handle this level of power to prevent any potential hazards. Additionally, using a high wattage heater can also result in higher energy bills, so it's important to use it efficiently and only when needed.

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Answer:

The question of analog vs. digital audio is one of the more hotly debated questions in the world of music, film, and media today. Does digital sound better? Does analog sound better? Is there even a noticeable difference?

It’s impossible to understand the difference completely without understanding what distinguishes analog audio from digital audio. A full discussion of these terms is best left to your curriculum and discussions with your mentor in the studio. For now, though, here’s a brief explanation of what these two words mean, and the differences between them.

Explanation:

Answer:

by raising them in an environment in wich it is common and giving false information about other races to install bad stereo types and distrust in the child who will grow up to not know any better do to the dumb ignorant parent raised the same way

Explanation:

?????? thats all i got im not a politician BLM

Answer:

B

Explanation:

The first modern personality test was the Woodworth Personal Data Sheet, which was first used in 1919. It was designed to help the United States Army screen out recruits who might be susceptible to shell shock.

so, B is correct

Answer:

The answer is B, I hope this helps.

The degree of freedom (DOF) of a system refers to the number of independent parameters needed to describe the motion of the system.

In the case of the Wittner metronome shown, it is a spring-based inverted pendulum that can oscillate in two perpendicular directions, i.e., horizontally and vertically. Therefore, the DOF of the system is two.

The horizontal oscillations are controlled by adjusting the weight of the pendulum, while the vertical oscillations are controlled by adjusting the spring tension. When the weight and spring tension are set appropriately, the metronome can maintain a steady beat, making it a useful tool for musicians.

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Answer: To calculate the pressure at the surface of a fluid, we need to know the density of the fluid, the acceleration due to gravity, and the height of the fluid column above the surface. This can be represented by the following formula:

pressure = density x gravity x height

where pressure is the pressure at the surface of the fluid, density is the density of the fluid, gravity is the acceleration due to gravity, and height is the height of the fluid column above the surface.

Answer:

I believe your answer is: force

Explanation:

The sun is a medium-sized star, but since it is closer to us, it seems bigger and brighter than other stars.

The vernal equinox, which can occur on March 19, March 20, or March 21, marks the start of spring. The time the Earth's equator crosses the sun's centre is when the vernal equinox occurs. The onset of fall, which happens at the time of the autumnal equinox, is also marked by the same phenomena.

The Sun's core continues to "burn" hydrogen into helium, which causes the core to steadily compress and heat up and enlarge the Sun's outer layers.

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Answer:

Centripetal force

Explanation:

The force that keeps outside the bicycle is centripetal force.

The following information should be considered:

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Answer:

HOW NEWTON'S LAWS RELATE TO REAL WORLD LIFE EXPERIENCE

Newton's law are very important because they tie into almost everything we see in everyday life. These laws tell us exactly how things move or sit still, like why you don't float out of bed or fall through the floor of your house. Newton's laws control how cars work, how water flows, how buildings don't fall down, and basically how everything around us moves.

EXAMPLE OF NEWTON'S LAW:

° First Law: Inertia

°Second Law: Force and Acceleration

°Third Law: Action and Reaction

HOW NEWTON'S LAW RELATE TO REAL LIFE EXPERIENCE

FIRST LAW (INERTIA) :

If you throw a rock straight up, it will not vary from its direction. Inertia enables ice skaters to glide on the ice in a straight line. If the wind is blowing, a tree's branches are moving. A piece of ripe fruit that falls from the tree will fall in the direction the wind is moving because of inertia.

SECOND LAW (FORCE AND ACCELERATION) :

The use of force in our everyday life is very common. We use force to walk on the road, to lift the objects, to throw a cricket ball, or to move a given body by some particular speed or direction. We are very familiar with the various effects of force. We can exert pull and push. And also When the car slows down. When you fall off a bridge. The car turning at the corner is an example of acceleration because the direction is changing. The quicker the turns, the greater the acceleration.

THIRD LAW (ACTION AND REACTION) :

For example, when you jump, your legs apply a force to the ground, and the ground applies and equal and opposite reaction force that propels you into the air. Engineers too apply Newton's third law when designing rockets and other projectile devices.

Answer:

When the denominator of both ratios is the same, adding the ratio is simple. You just add the numbers to the left of the colon (this number is called the Ratio Numerator)xplanation:

The stars of the milky way are all near a great circle on the celestial sphere. This great circle is called milky circle.

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The stars of the milky way are all near a great circle on the celestial sphere. This great circle is called milky circle.

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Answer:

The required time is 750 s.

Explanation:

The velocity of the man gets slowed by 2.0 m/s when the wind is blowing.

Therefore the speed of the man on the day of wind is (4.0-2.0)=2.0 m/s.

The time, speed and distance are related by the equation,

t=v/d

Given v= 2 m/s and d=1500 m.

The required time is,

t=1500/2

t=750 s

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For the question the mass of the two blocks are supposed as first block as 5kg and second block as 7kg and the acceleration, tension were calculated.

Define tension ?

the act of stretching or straining

the condition of being stretched or strained

mental or emotional tension; strong, concealed suspense, worry, or excitement

a tense connection between individuals, groups, nations, etc.

a) Acceleration of the system was found to be

a=Fn/m

={200-(16x9.8)}/16

=2.7m/s^2

so therefore the acceleration of the system was calculated and found to be=2.7m/s^2

b) the tension of the heavy rope at the top was

as the first block is tied at top of rope and the mass of that block was 5kg so here the force exerted was 50N

200-50-T1=5(2.7)

T1=136.5N

the tension at the top of heavy rope was 136.5 N

c)the tension at the middle point of the rope was

T2-9g = 9(a)

=9(g+a)

=9(9.8+2.7)

=112.5 N

so here the tension exerted at the midpoint of the rope was112.5N

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Yes, if capacitors are connected in parallel, they share the same potential difference. Therefore, the other capacitor in parallel would also have a potential difference of 300 V.

To calculate the total energy stored in the capacitors, we need to know the capacitance values of the capacitors. Let's assume the capacitance of the first capacitor is C1 and the capacitance of the second capacitor is C2.

The energy stored in a capacitor is given by the formula:

E = 0.5 × C × V²

Where E is the energy stored, C is the capacitance, and V is the potential difference. To calculate the total energy stored in the capacitors, we sum the individual energies:

E_total = E1 + E2

E1 = 0.5 × C1 × V² (energy stored in the first capacitor)

E2 = 0.5 × C2 × V² (energy stored in the second capacitor)

Since both capacitors have the same potential difference (V = 300 V), the potential difference term is the same for both equations.

E_total = 0.5 × C1 × V² + 0.5 × C2 × V²

= 0.5 × V² × (C1 + C2)

So, the total energy stored in the capacitors is given by 0.5 times the potential difference squared, multiplied by the sum of the capacitances (C1 + C2). The specific values of C1 and C2 would be needed to obtain a numerical result.

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Therefore, this reaction's internal energy change is -2850 J. This indicates a loss of 2850 J in the system's internal energy.

The definition defined energy as that of the "power to accomplish work" refers to the capacity to apply a force that moves an object. Kinetic energy and potential energy are the two categories of energy. The quantitative characteristic that is transferred to the a body or into a physical process in physics is energy, which is visible in the performance of labor as well as in form of heat and light. Energy is a resource that is conserved; it can only be changed through one form to another and it cannot be produced or destroyed, according to the law of conservation of energy.

According to the formula E = mc2, a body's mass (m) will vary by an amount equal to E/c2 if its energy increases by an amount E (in any form). This equation was developed by Albert Einstein.

Thomas Young coined the term "energy" for the first time in the realm of physics in 1800, but it didn't catch on. Later, Young utilized interference tests to demonstrate that light is indeed a wave.

The equation: can be used to determine the internal energy change for a reaction.

ΔU = Q - W

where U represents the change in internal energy, Q represents heat added to or released from the system, and W represents work performed by or on the system.

Since it is being released into the environment, the heat contributed to the system in this instance is -2290 J, and the work performed by the system is 560 J. Consequently, the internal energy change can be determined as follows:

ΔU = Q - W

ΔU = -2290 J - 560 J

ΔU = -2850 J

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Answer:

  cue ball final: 0.85 m/s at N65°W

  8-ball final: 1.27 m/s at N12°E

Explanation:

In a perfectly elastic collision, both momentum and energy are conserved. The momentum is the sum of products of mass and velocity. The energy is half the product of mass and the square of velocity. The difference of "particle" velocities changes sign as a consequence of the collision.

__

If we let the masses be m1 and m2, the corresponding initial velocities be v1 and v2, and the final velocities be u1 and u2, we have ...

  m1·u1 +m2·u2 = m1·v1 +m2·v2 . . . . . . . conservation of momentum

  u1 -u2 = v2 -v1 . . . . . . . . . . . . . . . relative velocity sign changes

This pair of linear equations can be solved for u1 and u2 in any of the usual ways to give ...

  u1 = v1(m1 -m2)/(m1 +m2) + v2(2·m2)/(m1 +m2)

  u2 = v2(m2 -m1)/(m1 +m2) +v1(2·m1)/(m1 +m2)

__

Using angle measures as clockwise from north, we are given ...

  cue ball: m1 = 0.17 kg, v1 = 1.2∠10° m/s

  eight ball: m2 = 0.15 kg, v2 = 0.89∠-70° m/s

A suitable calculator can find the final velocities using the above equations.

The first attachment shows the calculations using a TI-84 work-alike calculator.

  cue ball final: 0.85 m/s at N65°W

  8-ball final: 1.27 m/s at N12°E

The second attachment shows a vector diagram of the velocities.

The motion when she is running directly east is Δx = 11.7 and Δy = 15.

To determine the slope of a line select two points on the line and calculate the delta y change in y value to determine the change in elevation. Divide the change in x value by the delta x to determine the change in width. The derivative of y is the square of x with respect to y.

So the derivative of something squared with respect to something is multiplied by the derivative of that thing with respect to x. That's exactly the chain rule. Yes, it means exactly the same. y in Newton notation and dy/dx in Leibniz notation. Newton and Leibniz independently invented calculus at about the same time, so in this case, they used different notations to express the same rate of change.

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Answer:

True

Explanation:

When no net force is applied to a moving object, it still comes to rest because of its inertia.

It is a true statement that an object wants to maintain its state of motion because it has mass, as per the first law of the motion due to the effect of inertia an object tries to maintain its state of motion whether it would be a state of motion or the state of the rest.

According to Newton's first law, until pushed to alter its condition by the intervention of an external force.

Every object will continue to be at rest or in uniform motion along a single direction.

It is true that an item wants to keep moving because it has mass. According to the first law of motion, this is because of the influence of inertia, which causes an entity to try to keep moving whether it is in movement or at standstill.

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Answer:During weathering, the surface area of the rock exposed will increase. This is because the outer layers of the rock will gradually erode or break down, exposing more surface area of the underlying rock.

As the surface area of the rock exposed increases, the rate of weathering will also increase. This is because there is more surface area available for weathering agents, such as water, wind, or chemicals, to react with the rock. The greater the surface area exposed, the greater the contact between the rock and the weathering agents, which leads to faster and more effective weathering.

Therefore, increasing the surface area of the rock by weathering accelerates the process of weathering.

Explanation:

The mass of the ice that we would need is 29 g.

Specific heat capacity is the amount of heat energy required to raise the temperature of a substance by one degree Celsius (or one Kelvin) per unit mass of the substance. It is a measure of how much energy is needed to heat a certain amount of a substance. The units for specific heat capacity are usually joules per gram per degree Celsius (J/g°C) or joules per kilogram per degree Celsius (J/kg°C).

Given that;

H= mcdT

Heat lost by water = Heat gained by ice

-(1000 * 1 * (18 - 59)) = m * 79.7 * (18 - 0)

41000 = 1434.6 m

m = 41000 /1434.6

m = 29 g

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The planets of the solar system has the orbiting time.

Mercury-  88 days, Venus-225 days, Earth- 365 days, Mars-687 days, Jupiter- 12 years, Saturn- 29 years, Uranus-  84 years, Neptune- 165 years, Pluto- 248 years.

Solar system consists of all the planets and the most importantly the center of the solar system is Sun.

Sun is the main focus of the solar system. It emits high temperature light rays on the planets which in turn emit lights and be visible.

Outer planets take longer to orbit the sun because the gravitational pull is weaker as shown in the inverse square law.

The outer planets very far away from the Sun, means that they have more distance to cover in their orbit.

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11223.9J or 11.2239 kJ is the total internal energy of the gas.

Internal energy, which results from the motion of matter at the molecular level, is a type of energy that exists in all systems. For internal energy, the letter U is used, and the joule is the unit of measurement (J).

As a substance changes from one state or phase to another—from solid to liquid to gas—its internal energy also rises. It is possible to imagine planetary bodies as a fusion of heat engines and heat reservoirs.

The heat engines transform some of the thermal energy stored in the heat reservoirs into different forms of mechanical, electrical, and chemical energy.

The formula for total internal energy of gas is

(3/2)nRT

where n = amount of substance

R = Ideal gas constant

T = temperature

Put the value in the equation

(3/2)nRT

= (3/2)(3)( 8.314)(300)

= 11223.9J

Thus, 11223.9J or 11.2239 kJ is the total total internal energy of the gas.

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