What is the charge
on a Proton ?
O Positive
O Negative
O Neutral
O All charged up

Answer:

what are the statements?

Explanation:

Iron oxide cement produces bright-red and yellow colors in some sandstones.

The coloration in sandstones is often influenced by the presence of different minerals and pigments in the cement that binds the sediment grains together. Iron oxide, specifically hematite (Fe2O3) and goethite (FeO(OH)), is a common cementing material found in sandstones. When present in higher concentrations, these iron oxide minerals can impart bright-red and yellow hues to the sandstone.

The colors of iron oxide cement in sandstones are a result of the selective absorption and reflection of light. Hematite and goethite have specific light absorption properties that allow them to absorb certain wavelengths of light, particularly in the blue and green regions of the visible spectrum. As a result, the sandstone appears red or yellow, as these colors are the wavelengths of light that are not absorbed and are instead reflected or transmitted.

The specific shades and intensity of red and yellow colors in sandstones can vary depending on factors such as the concentration of iron oxide minerals, grain size, and the presence of other minerals or impurities. Different geological processes and environmental conditions during the formation of sandstones can contribute to the variation in coloration.

The bright-red and yellow colors observed in some sandstones are typically caused by the presence of iron oxide cement, specifically hematite and goethite. The selective absorption and reflection of light by these minerals result in the sandstone appearing red or yellow. The exact coloration may vary based on factors such as the concentration of iron oxide, grain size, and geological processes involved in the sandstone's formation.

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Answer:

The angiosperms dominate Earth's surface and vegetation in more environments, particularly terrestrial habitats, than any other group of plants. As a result, angiosperms are the most important ultimate source of food for birds and mammals, including humans.

Explanation:

plz mark brainlest

The equivalent resistance of the 3.89 Ω, 7.75 Ω, and 9.05 Ω resistors connected in series with a 12.0 V battery is 20.69 Ω.

The equivalent resistance of resistors connected in series is equal to the sum of the resistance of each resistor. Therefore, the equivalent resistance is: R = 3.89 Ω + 7.75 Ω + 9.05 Ω = 20.69 Ω

So, the equivalent resistance of the 3.89 Ω, 7.75 Ω, and 9.05 Ω resistors connected in series with a 12.0 V battery is 20.69 Ω.

The equivalent resistance of an electrical circuit refers to the single resistance that would have the same effect as the combination of multiple resistors in the circuit. It is a measure of the total opposition to current flow in the circuit. The equivalent resistance can be found by using various methods such as series, parallel, and combination circuits. The equivalent resistance of a circuit depends on the individual resistances, the connections between them, and the voltage and current in the circuit.

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The Rock cycle is a model that describes the formation degradation, and regeneration of rocks as a result of sedimentation magma, and metamorphism. All rocks are made of minerals.

Rock circulation is the process by which rocks change continuously between three types igneous sedimentary and metamorphic. The three processes that transform one rock into another are crystallization, metamorphism erosion, and sedimentation. Any rock can be transformed into another rock by undergoing one or more of these processes. This creates a lock cycle.

Rock circulation is a fundamental concept that describes the transition between three rock types metamorphic igneous, and sedimentary rocks. Simply put it is a set of processes that create and transform rock types within the Earth's crust. Rock cycling by definition is the natural process by which sedimentary igneous, and metamorphic rocks are formed, transformed from one type to another, and destroyed.

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Answer:

D

Explanation:

Mgo is ionic and N2 has covalent bonds

Answer:

the amount of each charge and the distance between them. ... Coulomb's law states the the electric force between two charges is proportional to the product of the two charges and inversally proportional to the square distance that separates their centers.

Answer:

Mass, acceleration

Explanation:

Force= Mass (kg) *acceleration (m/s^2)

Answer:

Parasitic Relationship

A symbiotic relationship that is mutualism exists between the comma teasel and all of the other plants.

Symbiosis or symbiotic relationship is any type of close and long-term biological interaction which is present between two different biological organisms, be it mutualistic relationship, commensalistic relationship, or parasitic relationship. The organisms, each termed as a symbiont, must be of different species.

The comma teasel and all of the other plants share a relationship where, the comma teasel pollinates flowers of different plant species. Pollination is important for the reproduction in plants and in return, the plants provide nectar to the organism.

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Answer:

A downward force of magnitude 5 N is exerted on the book by the force of ... Do the downward force in Part A (gravity) and the upward force in Part B ...

Answer:base

Explanation:apex

Answer:

Rifle Momentum=7.77kg*m/s v'= 1.554 m/s

Explanation:

a) m1v1 + m2v2 = m1v1' + m2v2'

0+0 = 0.03*259 + P(rifle momentum)

solve for P

p= 7.77kg*m/s

b) 7.77= 5*v'

v'= 1.554 m/s

The momentum of the rifle just after the bullet is fired is 7.77 kg.m/s and the recoil velocity of the rifle at the time of firing is 1.554 m/s.

Momentum of a particle is the product of the mass of the particle and its velocity. Momentum is a vector quantity. It has both the magnitude and direction of motion. According to the Newton's second law of motion, the rate of change of the momentum is equal to the force acting on the particle which is in motion.

Momentum can be calculated by the general formula

p = m.v

where, p = momentum of the particle,

m = mass of the particle,

v = velocity of the particle.

Rifle Momentum= mass × velocity

P = m × v'

a) m1v1 + m2v2 = m1v1' + m2v2'

0+0 = 0.03 × 259 + P(rifle momentum)

0 = 7.77 + P

P = 7.77kg.m/s

b) p = m × v

7.77= 5 × v'

v'= 1.554 m/s

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We divide the mass of the item by the mass of the sun, which is 1.99 x 1030 kg, to determine how many times more massive the object is than the sun. The answer comes out to be near five times as large as the sun.

(G * m1) / r2 = an is the formula for gravitational acceleration.

Where r is the separation between the red giant and the invisible object, m1 is the mass of the invisible item, G is the gravitational constant (6.67 x 10-11 N (m/kg)), and G is the gravitational constant.

This equation may be rearranged to account for m1:

m1 = (a * r^2) / G

By entering the specified values, we obtain:

m1 is calculated as (0.075 m/s2 * (9.4 x 1010 m) / 6.67 x 10-11 N (m/kg)).

m1 = 9.35 x 10^30 kg

b) We may divide m1 by the mass of the sun to determine the object's mass relative to the sun: (9.35 x 1030 kg) / (1.99 x 1030 kg) = 4.71

The invisible object is therefore 4.71 times as massive as the sun.

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(a) The budget constraint can be written as: C = wL + V, where C is consumption, w is the real wage, L is leisure, and V is non-labor market income.

(b) With ẞ = 1/2, V = 100, and w = 200, John's optimal supply of labor cannot be determined without information about his preferences for leisure and consumption. The utility function only represents his preferences, but we need additional information to determine the specific amount of labor he would choose to supply.

(c) John's total income is the sum of his labor income and non-labor market income: Total income = Labor income + Non-labor income = wL + V. Without knowing the specific value of L, we cannot calculate the total income.

(d) Similarly, without knowing John's preferences for leisure and consumption, we cannot determine the specific level of consumption he would choose.

(e) In the case where John is subject to a 10% income tax on labor income only, his new optimal supply of labor would depend on the tax rate's impact on his preferences and the trade-off between leisure and consumption. Without further information on his preferences and the specific tax structure, we cannot determine the new optimal supply of labor.

Additional information about John's preferences for leisure and consumption, as well as the specific tax structure, is necessary to calculate his optimal labor supply, total income, consumption, and the impact of the income tax on his labor supply.

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Developing an action plan is part of making decisions​ on the seven health skills, which are fundamental in healthcare.

The seven health skills can be defined as different aptitudes required to set healthcare decisions.

These health skills include:

In conclusion, developing an action plan is part of making decisions​ on the seven health skills, which are fundamental in healthcare.

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Electrical energy which is provided to the pump is transformed into gravitational potential energy and into sound in equal portions. Thus, the correct option is C.

The principle of conservation of energy establishes that the energy cannot be created nor it can be lost alone. Energy can only be transformed, based on the principle of conservation of energy, the mechanical energy of the system is established as formed by the kinetic energy and the different in potential energies.

In this case, the electrical energy of the system is transformed into kinetic energy to raise the water temperature, when it reaches a height level where its actual speed is zero, all the mechanical energy is transformed into gravitational potential energy.

Therefore, the correct option is C.

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Your question is incomplete, most probably the complete question is:

Ahmad uses an electric pump to raise water to a reservoir on his farm. The pump is very noisy, and Ahmad’s uncle, who is an engineer, told him that only 50\%50%50, percent of the energy it consumes is delivered as gravitational potential energy to the water. When Ahmad turns off the pump, he notices that when he touches it, it has not warmed up.

What happened to the electrical energy provided to the pump?

a. It mostly transformed into gravitational potential energy, and a small portion transformed into sound.

b. It mostly transformed into sound, and a small portion transformed into gravitational potential energy.

c. It transformed into gravitational potential energy and into sound in equal portions.

d. It mostly transformed into sound energy and gravitational potential energy, and a small portion disappeared.

Answer:

Your answer to your question is: 23.33333

( The decimal three is infinite :) )

How to convert fahrenheit to celsius?

First: To convert 74 f to c, you should remember that f equals a c minus 74 into 32 then multiply final value to 5/9.

Second: First, minus 74 into 32 and then finaly multiply to 5/9.

Third: Applying to formula - (74 - 32)*5/9 is equal to 23.33.

Fourth: Hence, the answer is 74 f = 23.33 c.

(sorry I'm bit late )

Thus, your answer is 23.33333

The mass defect and the energy released in radioactive decay are related by the following equation:

Where:

We solve for the mass by dividing both sides by the square of the velocity of light:

The speed of light is a constant and is equal to:

Now we replace the given values:

Now we solve the square in the denominator:

Now we solve the operations and we get:

Therefore, the mass defect is option A.

The initial speed of the student would be 5.32 m/s.

The mass of the skateboard is determined by applying the principle of conservation of linear momentum.

\(m_1 u_1 + m_2 u_2 = v(m_1 + m_2)\\\\47.4(4.2) \ + m(0) = 3.95(47.4 + m)\\\\199.08 = 187.23 + 3.95 m\\\\11.85 = 3.95m\\\\m = \frac{11.85}{3.95} \\\\m = 3 \ kg\)

The initial speed of the student is determined by applying the principle of conservation of linear momentum.

\(m_1 u_1 + m_2 u_2 = v(m_1 + m_2)\\\\47.4u_1 + 3(0) = 5(47.4 + 3)\\\\47.4u_1 + 0 = 252\\\\u_1= \frac{252}{47.4} \\\\u_1 = 5.32\ m/s\)

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Answer:

sorry I don't understand

Explanation:

please translate it in english

Higher false recall and recognition responses are  predicted by several factors;(1)Similarity or overlap,(2)Misleading information,(3)Source confusion,(4)Emotional arousal,(5)Memory decay or interference.

Higher false recall and recognition responses can be predicted by several factors:

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The following which is true, according to newton’s laws of motion with friction being ignored is that none of the above is true, according to the third law and is therefore denoted as option E.

This law was coined by Isaac Newton and it states that for every action (force) in nature there is an equal and opposite reaction.

A semitrailer truck crashing all the way through a wall and since the wall collapses, the wall sustains a greater force than the truck does which doesn't depict the third law of motion as the force are meant to be equal.

They pushing off against each other and fly apart and Sam flying off with the greater acceleration also disobeys the third law due to the action and reaction not being equal.

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The options are:

A. A sports utility vehicle (SUV) hits a stationary motorcycle. Since it is stationary, the motorcycle sustains a greater force than the SUV does.

B. A semitrailer truck crashes all the way through a wall. Since the wall collapses, the wall sustains a greater force than the truck does.

C. Sam (18 years old) and his sister (9 years old) go ice skating. They push off against each other and fly apart. Sam flies off with the greater acceleration.

D. Two astronauts on a space walk are throwing a ball back and forth between each other. In this game of catch the distance between them remains constant.

E. None of the above is true, according to the third law.

6.5 m/s is the velocity of the boy when a 65.0-kg boy and 40.0-kg girl, both wearing skates, face each other at rest on a skating rink.

Mass of the boy, = 65kg

girl's mass given  , = 40 kg

Final velocity of the girl , = -4.00 m/s

By law of conservation of momentum

\(m_bv_ib+m_gv_ig=m_bv_fb+m_gv_fg\)

\(0=65kg(-4.0m/s)+40kgv_fg\)

\(v_fg=6.5m/s\)

When a body is travelling in a straight line, its velocity is the "rate of change of displacement with relation to time."Because it always has a direction, velocity is a vector. As a result, when the displacement to time ratio for linear velocity is determined, it provides both the direction and the magnitude.

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The intensity of the sound you hear at a distance of 280cm away from the tuning fork is 7.72 x 10⁻⁶ W/m².

The power carried by sound waves per unit area in a direction perpendicular to that area.

It is defined as the ratio of power and area.

I = P / 4πr²

Given is the radius 280 cm =  2.8 m and power 7.6 x 10⁻⁴ watt, then the sound intensity is

I =  7.6 x 10⁻⁴ / (4 x 3.14 x 2.8²)

I = 7.72 x 10⁻⁶ W/m²

Thus, the intensity of the sound you hear at a distance of 280cm away fr0om the tuning fork is 7.72 x 10⁻⁶ W/m².

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Answer:

      ρ = 20.4 kg / m³

Explanation:

For this exercise we use Archimedes' principle, the thrust on a submerged body is equal to the weight of the released liquid

           B = ρ g V_liquid           (1)

let's write the equilibrium equation

           F -W + B = 0

           B = W -F

let's calculate

           B = 0.900 9.8 - 2.94

            B = 5.88 N

From equation 1

            V_{liquid} =  \(\frac{B}{\rho_{Hg} g}\)

            V_{liquid} = \(\frac{5.88}{13.6 \ 10^3 \ 9.8}\)

            V_{liquid} = 4.41176 10⁻⁵ m³

in this case it is indicated that the body is completely submerged

           V_body = V_liquid = V

     the definition of density is

           ρ = m / V

           ρ = \(\frac{0.900 \ 10^{-3}}{ 4.41176 \ 10^{-5} }\)

           ρ = 2.04 10¹ kg / m³

           ρ = 20.4 kg / m³

Answer:

The initial vertical velocity is the vertical component of the initial velocity: v0y=v0sinθ0=(30.0m/s)sin45°=21.2m/s.

Explanation:

Time taken by arrow to reach height point is 2.2 seconds

Given:

Initial velocity of arrow = 22 m/s

Find:

Time taken by arrow to reach height point

Computation:

We know that, highest point stands when final velocity is 0 m/s

So,

Final velocity = 0 m/s

Gravitational acceleration = 10 m/s²

So,

v = u + at

0 = 22 + 10(t)

10t = -22

t = -22 / 10

t = -2.2 second

Time taken = 2.2 seconds

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We have discovered meteorites with ALL of the following sources, EXCEPT one being a piece of the comet Halley, among the identified meteorites.

Our solar system is where all meteorites originate. Most of them are pieces of ancient asteroids that shattered into smaller pieces in the asteroid belt, which is situated between Mars and Jupiter.

Asteroids are remains of the solar system's creation, which occurred around 4.6 billion years ago. Early on, the formation of Jupiter stopped any planetary bodies from forming in the space between Mars and Jupiter, causing the small particles that were already present to smash and shatter into the asteroids we know today.

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The highest-order maximum for 405-nm light falling on double slits separated by 27.0 µm is m = 66.

Given:

Wavelength of light (λ) = 405 nm = 405 × 10^(-9) m

Slit separation (d) = 27.0 µm = 27 × 10^(-6) m

To find the highest-order maximum for a double-slit interference pattern, the formula is:

m × λ = d × sin(θ)

Where:

m is the order of the maximum

λ is the wavelength of the light

d is the slit separation

θ is the angle of the maximum

To find the highest-order maximum, it is required to find the largest value of m that satisfies the equation. In this case, it can be assumed that the angle θ is small.

m × λ = d × θ

θ = (m × λ) / d

Now we substitute the given values into the equation:

θ = ((m × 405 × 10⁻⁹ m) / (27 × 10⁻⁶ m)

θ = (m × 405 × 10⁻⁹) / (27 × 10⁻⁶))

θ = (m × 15) / 1000

To find the highest-order maximum, it is required to find the largest value of m that still keeps θ within a reasonable range. Since the angle θ is small, it can be considered θ to be at its maximum when θ is less than 1 radian (approximately 57 degrees).

Setting θ < 1 radian:

(m × 15) / 1000 < 1

m × 15 < 1000

m < 1000 / 15

m < 66.67

The highest-order maximum is the largest whole number value of m that satisfies the inequality. Therefore, the highest-order maximum for 405-nm light falling on double slits separated by 27.0 µm is m = 66.

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The velocity of the load right after the brake of the lorry is suddenly applied at t = 6 s, is 16.9 m/s.

The velocity of the load is determined from the ratio of the load displacement and time taken.

Mathematically, the formula for displacement is given as;

Displacement = change in displacement / change in time

The displacement of the load at 6 seconds is calculated as;

D = area under the curve

D = (15 s - 6 s ) x (20 m/s - 0 m/s)  +  ¹/₂ (19 s - 15 s ) x (20 m/s - 0 m/s)

D = 180 m  + 40 m

D = 220 m

The velocity of the load;

v = ( 220 m ) / (19 s - 6 s )

v = 16.9 m/s

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