A mass of 5.00 kg in a gravitational field of 7.00 n/kg. What force acts on the mass?

Answer:

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

From the question

volume = 23 mL

density = 1.5 g/mL

We have

mass = 23 × 1.5

We have the final answer as

Hope this helps you

The drift velocity (v) of charge carriers in a conductor is given by the following equation: v = I / (n \(\times\) A \(\times\) q).

v = I / (n \(\times\) A \(\times\) q)

where:

v is the drift velocity, measured in meters per second (m/s)

I is the current flowing through the conductor, measured in amperes (A)

n is the number of charge carriers per unit volume of the conductor, measured in per cubic meter (\(m^(-3)\))

A is the cross-sectional area of the conductor, measured in square meters (m^2)

q is the charge of a single carrier, such as an electron, measured in coulombs (C)

This equation relates the drift velocity of the charge carriers to the current flowing through the conductor, the number of charge carriers per unit volume, the cross-sectional area of the conductor, and the charge of a single carrier. The drift velocity represents the average velocity of the charge carriers as they move through the conductor in response to an applied electric field.

The number of charge carriers per unit volume (n) depends on the material of the conductor and the temperature. In metals, the charge carriers are typically electrons, and the number density is on the order of 10^28 to 10^29 electrons per cubic meter.

The cross-sectional area (A) of the conductor is the area of the cross-section of the conductor perpendicular to the direction of the current flow, and is a measure of the amount of material available for the charge carriers to move through.

The charge of a single carrier (q) is typically the charge of an electron, which is approximately 1.6 x \(10^{-19\) coulombs.

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Answer:

The substance of the physical world; anything that occupies space or has substance. An organized way of scientists to gather and pursue scientific knowledge. Consists of three main components: Hypothesis, Observation, and Experimentation. One of the main components of the Scientific method.

Explanation:

Answer:

False

Explanation:

Answer:

A mousetrap makes use of a simple machine called a lever.

Explanation:

In a second-class lever the effort force is at the other end, with the load in the middle. In a third-class lever, the load is at the end and the effort force is between the fulcrum and the load. When you set the mousetrap, you are using a second-class lever. Sorry if I get this wrong. I am in 5th grade! ♥

CR​ < CY​ < CB​

The factors which affect the critical angle are

(a) The colour (or wavelength) of light

(b) The temperature

(i) Effect of colour of light: The critical angle for a pair of media is less for the violet light and more for the red light. Thus the critical angle increases with the increase in wavelength of light.

(ii) Effect of temperature: The critical angle increases with increase in temperature because on increasing temperature of medium, its refractive index decreases.

According to the question,

μ 1​ sinCR​ =1

μ 2​ sinCY =1

μ 3​ sinCB​ =1

μ 1​ > μ 2​  and μ 2​ > μ 3

⟹μ 1​ > μ 2​ > μ 3

CR​ < CY​ < CB​

Thus,

The critical angle increases with the increase in wavelength of light.

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The force that the space shuttle exerts on the astronaut floating a distance of 14m away from it depends on the mass of the astronaut and the gravitational pull of the earth.

When the astronaut is floating a distance of 14m away from the space shuttle, there are several forces acting on them, including the gravitational pull of the earth and the gravitational pull of the space shuttle. However, the force that the space shuttle exerts on the astronaut can be calculated using Newton's law of universal gravitation.

According to this law, the force of gravity between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. Therefore, to calculate the force that the space shuttle exerts on the astronaut, we need to know their masses and the distance between them.

Assuming that the mass of the astronaut is 80kg and the mass of the space shuttle is much larger, we can approximate the force that the space shuttle exerts on the astronaut using the following formula:
force = (G * M * m) / d^2
Where G is the gravitational constant (6.67 x 10^-11 N*m^2/kg^2), M is the mass of the space shuttle, m is the mass of the astronaut, and d is the distance between them (14m).

Since we don't know the exact mass of the space shuttle, we can't calculate the force directly. However, we can estimate that the force will be very small compared to the gravitational pull of the earth. Therefore, the astronaut will continue to float away from the space shuttle and eventually be pulled back towards the earth's surface by the earth's gravity.

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Answer:

the wavelength is 9.8 meters

Explanation:

We can use the relationship:

Velocity = wavelenght*frequency.

Initially we have:

wavelenght = 4.9m

velocity = 9.8m/s

then:

9.8m/s =  4.9m*f

f = 9.8m/s/4.9m =  2*1/s

now, if the velocity is doubled and the frequency remains the same, we have:

2*9.8m/s = wavelenght*2*1/s

wavelenght = (2*9.8m/s)*(1/2)s = 9.8 m

Answer:

9.8

Explanation:

Jupiter possesses a strong magnetic field due to a combination of factors. Its metallic hydrogen layer, formed under extreme pressure, acts as an excellent electrical conductor.

The planet's rapid rotation induces a dynamo effect, generating electric currents that amplify the magnetic field. Additionally, convection currents driven by a dense core and internal heat sources contribute to the dynamo process. Jupiter's magnetic field is approximately 14 times stronger than Earth's, making it one of the most powerful in the solar system. These characteristics, including the presence of metallic hydrogen, rapid rotation, and internal energy sources, contribute to the strength of Jupiter's magnetic field.

Jupiter has a strong magnetic field primarily due to its unique combination of characteristics. Several factors contribute to the strength of Jupiter's magnetic field:

1. Metallic Hydrogen: Deep within Jupiter's atmosphere, intense pressure and temperature conditions compress hydrogen into a metallic state. This metallic hydrogen layer is an excellent electrical conductor, generating and sustaining a powerful magnetic field.

2. Rapid Rotation: Jupiter rotates rapidly, completing a full rotation in around 10 hours. This fast rotation induces a dynamo effect, where the movement of conducting materials in its interior generates electric currents, amplifying the magnetic field.

3. Core Convection: Beneath the metallic hydrogen layer, Jupiter likely has a dense core composed of rock and metal. Convection currents driven by the heat released from the core can further enhance the magnetic field through the dynamo mechanism.

4. Internal Energy: Jupiter has a considerable internal heat source. Heat from the core, as well as heat generated by gravitational compression and the slow contraction of the planet, contribute to the energy available for the dynamo process that sustains the magnetic field.

The combination of these factors creates a self-sustaining magnetic field that extends around Jupiter. Its magnetic field is estimated to be about 14 times stronger than Earth's magnetic field, making it one of the strongest in the solar system.

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Jupiter has such a strong magnetic field due to its core, which is composed of metallic hydrogen, and the rapid rotation of the planet. The movement of the electrically conducting layer surrounding the core, combined with Jupiter's rotation, generates a powerful magnetic field. Additionally, the presence of Jupiter's moons further enhances its magnetic field.

Jupiter, the largest planet in our solar system, possesses a remarkably strong magnetic field. This magnetic field is generated by the planet's core, which is primarily composed of metallic hydrogen. The core is believed to be surrounded by a layer of liquid metallic hydrogen, which behaves like a metal and conducts electricity due to the extreme pressure and temperature.

The movement of this electrically conducting layer, combined with Jupiter's rapid rotation, creates a powerful magnetic field. The rotation of the planet causes the conducting layer to circulate, generating electric currents. These electric currents, in turn, produce a magnetic field.

Furthermore, Jupiter's magnetic field is strengthened by the presence of its extensive system of moons. These moons interact with the planet's magnetic field, inducing additional currents and contributing to the overall strength of the magnetic field.

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a. The total electric flux density for point P1(4, -3, 2) is X units.

b. The magnitude of the vector from point A to point D is Y units.

a. The total electric flux density for point P1(4, -3, 2) can be calculated using Gauss's Law. Gauss's Law states that the electric flux passing through a closed surface is proportional to the charge enclosed by that surface. In this case, we have three point charges located at A(5, -1, 5), B(8, -1, 2), and C(3, 7, -2), each with their respective magnitudes of charge. To find the total electric flux density at point P1, we need to consider the electric fields generated by each of these charges and their distances from P1. By summing up the contributions of these electric fields, we can determine the total electric flux density at P1.

b. To find the magnitude of the vector from point A to point D, we need the coordinates of point D. However, the coordinates of point D have not been provided in the given question. Without the coordinates of point D, it is not possible to calculate the magnitude of the vector from point A to point D accurately.

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Answer: By moving heat from the equator toward the poles, ocean currents play an important role in controlling the climate. Ocean currents are also critically important to sea life.

Explanation: Plzz mark me as brainliest !!

Answer:

1/5 km/min

Explanation:

the formula for velocity is distance/time

so if i plug in the distance and time i get 5/25 or 1/5

Hope this helps!

The magnitude and direction of vector A with components Ax = -9.00 m and Ay = -5.00 m are (10.3 m, 209°).

To find the magnitude and direction of a vector, we can use the Pythagorean theorem and trigonometric functions. The magnitude (|A|) of vector A can be calculated using the formula |A| = \(\sqrt{(Ax^{2} +Ay^{2} )}\), where Ax and Ay are the components of the vector.

Substituting the given values, we have |A| = \(\sqrt{((-9.00m)^{2} +(-5.00m)^{2} )}\) = \(\sqrt{(81m^{2}+25m^{2} )}\) = \(\sqrt{106m^{2} }\) ≈ 10.3 m.

The direction of vector A counterclockwise from the +x-axis can be determined using the inverse tangent function (\(tan^{-1}\)). The angle (θ) is given by θ = \(tan^{-1}\)(Ay / Ax). Substituting the values, we have θ = \(tan^{-1}\)(-5.00 m / -9.00 m) ≈ 209°.

Therefore, the magnitude of vector A is approximately 10.3 m, and the direction counterclockwise from the +x-axis is approximately 209°. The correct option is (10.3 m, 209°).

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The provided circuit has a 1 ohm equivalent resistance across its two endpoints, A and B.

If R 3 and R 4 were parallel in R", then the resistance would be 1 ohm.

Calculate R' and R" now:

where R' is one ohm and R" is one ohm

formula: R'+R"=1+1=2 ohm

The other R"' and R"" are likewise calculated in parallel when we do so:

The whole resistance is therefore 1 ohm.

1 ohm is the ultimate response.

Electrical resistance is a force that opposes the passage of current and is hence resistance to electricity. In this sense, it acts as a gauge for the difficulty of current flow. Ohms () are used to measure resistance.

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In order to form a hypothesis that would illustrate the relationship between mass and kinetic energy, we first need to understand what kinetic energy and mass are and how they are related. Kinetic energy is the energy that an object possesses due to its motion, and is given by the formula KE = 0.5mv², where m is the mass of the object and v is its velocity. Mass, on the other hand, is a measure of the amount of matter in an object.

The relationship between mass and kinetic energy is direct, meaning that as mass increases, so does kinetic energy, provided that velocity remains constant. Similarly, if velocity increases, then kinetic energy will increase as well, provided that mass remains constant.

The hypothesis that illustrates this relationship can be stated as follows:If the mass of an object is increased, then the kinetic energy of the object will also increase, because kinetic energy is directly proportional to mass, assuming velocity remains constant.In other words, if the mass of an object is doubled, then its kinetic energy will also double, assuming that its velocity remains constant. This hypothesis can be tested through experiments that involve measuring the kinetic energy of objects with different masses, but with the same velocity.

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If the mass of an object increases, then its kinetic energy will increase proportionally because mass and kinetic energy have a linear relationship when graphed.

Answer: i do not beleave so

Explanation: The diaphragm helps expand your lungs when you breath and you have to puposly use it in order to sing/ yell so it has no reason to move without breathing.

Answer:

Since the two colliding objects travel together in the same direction after the collision, the total momentum is simply the total mass of the objects multiplied by their velocity.

Explanation:

From highest to lowest condensation temperature, the four general types of materials that made up the solar nebula are refractory metals and silicates, volatile metals and ices, water, and hydrogen and helium.

Refractory metals and silicates, such as iron, nickel, and silicon, have the highest condensation temperature and would solidify first in the cooling solar nebula. Volatile metals and ices, like zinc and carbon dioxide, have a lower condensation temperature and would condense next. Water has a lower condensation temperature and would come after volatile metals and ices, while hydrogen and helium have the lowest condensation temperature and would not condense until very low temperatures were reached. These materials formed the building blocks for the planets in the solar system.

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1 meter per second squared is equivalent to 0.001 kilometer per second squared.

To convert 1 meter per second squared (m/s²) into kilometer per second squared (km/s²), we need to consider the conversion factor between meters and kilometers.

1 kilometer is equal to 1000 meters, so we can use this conversion factor to convert the units.

First, let's convert the acceleration from meters per second squared to kilometers per second squared:

1 m/s² = (1/1000) km/s²

Therefore, 1 meter per second squared is equal to 0.001 kilometer per second squared.

So, 1 m/s² = 0.001 km/s².

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ANSWER:

1) angular momentum

STEP-BY-STEP EXPLANATION:

The moment the ice skater pulls her hands, she begins to spin slower, then turns very fast when she brings her arms out to her sides.

Here we can see applied the fundamental law of conservation of angular momentum. where rotational speed and shape are related, therefore there is no change in angular momentum.

Answer:

Heat capacity, Q = 2090 Joules.

Explanation:

Given the following data;

Mass = 100 grams

Specific heat capacity = 4.18 J/g°C.

Temperature = 5°C

To find the quantity of heat required;

Heat capacity is given by the formula;

\( Q = mct\)

Where;

Q represents the heat capacity or quantity of heat.

m represents the mass of an object.

c represents the specific heat capacity of water.

t represents the temperature of an object.

Substituting into the formula, we have;

\( Q = 100*4.18*5 \)

Heat capacity, Q = 2090 Joules.

The removal of anxiety-provoking ideas from awareness is called "c. repression".

It is a defense mechanism in which individuals unconsciously push unwanted thoughts or feelings out of their consciousness and into their subconscious mind.

This process is done to protect oneself from experiencing uncomfortable or painful emotions.

Repression is often used as a coping mechanism, especially in situations where individuals feel overwhelmed by emotions that they cannot handle.

It is important to note that repression is not a healthy long-term solution, as it can lead to psychological issues in the future.

Therapy can be beneficial in helping individuals confront and process their repressed emotions and ideas in a safe and healthy environment.

In conclusion, the answer to the question is c. Repression.

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Torque:-

\(\\ \rm\Rrightarrow \tau =14(0.018)\)

\(\\ \rm\Rrightarrow \tau=0.25Nm\)

option B

On Mars, gravity is about 40% less powerful than it is on Earth. The typical temperature of Mars is lower than that of Earth, therefore if you took a regular red brick there, you wouldn't find it very warm.

It is identical. If two objects are sufficiently enough apart from one another, the gravitational pull between them is equal and is thought to be directed toward the center of gravity of each item.

Because Newton's third rule combines these two forces, you would exert a force on the earth that is equivalent to the force the earth imposes on you. So that the person can feel the effects of gravity, we can.

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Therefore, option A is the correct answer. Options B, C, D, E, and F are incorrect because they involve either refraction or partial reflection, which cannot occur when the angle of incidence exceeds the critical angle.

When light moves from one medium to another, it bends or refracts at an angle determined by the angle of incidence, which is the angle between the incident ray and the normal to the surface at the point of incidence. The refractive index of each medium determines the amount of refraction. However, if the angle of incidence exceeds the critical angle, which is the angle at which the angle of refraction becomes 90 degrees, the light ray cannot pass through the second medium and instead undergoes total internal reflection.

In this scenario, when light moving through water reaches the boundary with air at an angle of incidence greater than the critical angle, it will undergo total internal reflection and no light will pass across the boundary. This is because the angle of incidence exceeds the critical angle, causing the light ray to reflect back into the water. There will be no refraction, partial or total, in this case.

Therefore, option A is the correct answer. Options B, C, D, E, and F are incorrect because they involve either refraction or partial reflection, which cannot occur when the angle of incidence exceeds the critical angle.

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The velocity with which the electrons drift in the silver wire is approximately 1.58 x 10^-4 m/s.

To find the velocity with which electrons drift in a silver wire, we can use the formula:

I = nAvq

where:

I is the current (in amperes),

n is the number of free electrons per unit volume (in m^3),

A is the cross-sectional area of the wire (in m^2),

v is the drift velocity of electrons (in m/s), and

q is the charge of an electron (approximately 1.6 x 10^-19 C).

Given:

I = 5.0 A (current)

n = 5.8 x 10^28 m^-3 (number of free electrons per m^3)

A = πr^2 = π(0.002 m)^2 (cross-sectional area)

q = 1.6 x 10^-19 C (charge of an electron)

First, we calculate the cross-sectional area of the wire:

A = π(0.002 m)^2 = 1.2566 x 10^-5 m^2

Next, we rearrange the formula and solve for v:

v = I / (nAq)

v = 5.0 A / (5.8 x 10^28 m^-3 * 1.2566 x 10^-5 m^2 * 1.6 x 10^-19 C)

v ≈ 1.58 x 10^-4 m/s

Therefore, the velocity with which the electrons drift in the silver wire is approximately 1.58 x 10^-4 m/s.

The drift velocity represents the average velocity at which the electrons move in the wire under the influence of an electric field. It is relatively small due to frequent collisions with lattice ions and other electrons within the wire.

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Explanation:

hope it is helpful to you

Hey there!

Photosynthesis is the reaction that converts light energy to chemical energy in sugar and carbohydrates. Humans can't eat sunlight, so we eat plants. Plants convert the energy in the sunlight into chemical energy using chlorophyll. Chlorophyll is a molecule produced by plants, algae, and cyanobacteria, which aids in the conversion of light energy into chemical bonds. It is the green pigment found in the chloroplasts of higher plants. They are a part of our ecosystem, and they are lower on the food chain.

Hope this helps!

Have a great day! :)

Answer: 9

Explanation: because you would add 13+4=17, then you would add 27+5=33, so then 4+5=9 so there's your answe