What acceleration does a net force of 32 N impart to a mass of; *
30 kg
45 kg
14 kg
32 kg
3 kg
0.094 m/s^2 0.94 m/s^2
O
O
O
O
1.00 m/s^2 0.44 m/s^2
O
O
O
O
O
O
O
10 points
1.41 m/s^2
O
O

Answer:

B.1/2v1 that's the answer

Answer:

I think they cross the line when they force sports into their child's life, and take away their choice of what they want to do so they essentially waste their childhood preparing for something that may never happen or they just don't get the opportunity to explore their artistic abilities.

Explanation:

Answer:

MIRROR

Explanation:

Answer:

reflection of light is the bouncing back of light rats when it falls on a smooth surface or polish surface.

Using the kinematic equation of motion to solve for the height of the cliff. The equation is given by:

d = vₒt + ½at²

where d is the vertical displacement (the height of the cliff), vₒ is the initial velocity (0 m/s since the car is moving vertically downwards), t is the time taken to reach the ground and a is the acceleration due to gravity (-9.8 m/s²).

Rearranging the equation to solve for the height of the cliff:

d = ½(-9.8)t² + vₒt

The time t can be calculated from the horizontal displacement, dₓ, and the initial velocity, vₒ, using the equation:

dₓ = vₒt + ½at²

Rearranging this equation to solve for t:

t = (dₓ - ½at²) / vₒ

As, dₓ = 6.7 m, vₒ = 5.0 m/s and a = -9.8 m/s², so substituting these values into the equation:

t = (6.7 m - ½(-9.8 m/s²)(t)²) / (5.0 m/s)

Solving for t:

t = 1.34 s

Now, from the value of t, substitute it back into the first equation to find the height of the cliff:

d = ½(-9.8 m/s²)(1.34 s)² + 0 m/s (1.34 s)

d = 20.36 m

Therefore, the height of the cliff is 20.36 meters.

What is displacement?

The change in an object's location from its beginning position to its end position is measured by a vector quantity called displacement. The straight line that connects the object's starting and final places serve as a representation of the shortest distance between them. Distances like meters, feet, and miles are used to express displacement.

Displacement is a verb that denotes the movement or displacement of an object. The definition of displacement is the modification of an object's position. Displacement is defined as the final position minus the starting position.

The displacement, which is the change in the object's position, is a vector with a magnitude of 10 miles and a direction of east.

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Three underground disturbances that can cause tsunamis are earthquakes, volcanic eruptions, and submarine landslides. Each of these events can generate powerful vertical displacements of the ocean floor, resulting in the generation of a tsunami.

Earthquakes: When an undersea earthquake occurs, the movement of tectonic plates can cause a sudden uplift or subsidence of the seafloor. This vertical displacement transfers energy to the overlying water column, generating a tsunami.

Volcanic Eruptions: Volcanic eruptions can also trigger tsunamis, particularly if they occur in or near bodies of water.

Submarine Landslides: Underwater landslides, triggered by various factors such as earthquakes or gravity, can displace substantial amounts of sediment or rock from the continental shelf or steep submarine slopes.

Tsunamis are often challenging to detect in deep parts of the ocean but more visible in shallow water due to the following reasons:

Wave Speed: Tsunamis travel at high speeds in deep water, typically over 500 miles per hour (800 kilometers per hour). As a result, they can traverse vast distances without significant loss of energy.

Wave Height: Tsunamis have relatively small amplitudes (wave height) in deep water compared to their wavelengths. The height of the wave can be just a few feet or even less.

Shoaling Effect: As a tsunami approaches shallow water near the coastline, the reduction in water depth causes a shoaling effect. The decrease in water depth compresses the wave, leading to a significant increase in wave height.

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Answer:

hello your question is incomplete below is the missing part of the  complete question

which statement best describes Jean-Baptiste Fourier’s influence on Jean-François Champollion? Fourier shared his research about mathematics with Champollion, which aided him in his research. Fourier was the first to introduce Champollion to the hieroglyphs on the Rosetta Stone, which fascinated him. Fourier shared his findings about the Rosetta Stone with Champollion, which helped him in his research. Fourier was the first to introduce Champollion to a variety of languages, which prompted his love of languages.

answer :  Fourier was the first to introduce Champollion to a variety of languages, which prompted his love of languages.

Explanation:

Jean-Baptiste Fourier's influence on Jean-Francois Champollion is that Fourier was the first to introduce Champollion to a variety of languages, which prompted his love of languages. also Fourier was a mathematician  who pleaded on the behalf of Champollion when he was about to be adopted into the military.

We can find direction by electric field diagram and magnitude remain the same despite of a change in positions.

When a proton is placed at point A and an electron is placed at point B, the direction of the electric force F is determined by the electric field line diagram. The electric force between the two charges is a vector force, which means it has both a magnitude (strength) and a direction.

The magnitude of the electric force F between a proton and an electron is determined by Coulomb's Law, which states that the magnitude of the force between two charges is in direction proportion to charges' product and in inverse proportion with their distance squared.

to the product of the two charges and inversely proportional to the square of the distance between them. Thus, the magnitude of the electric force F between the charges is independent of the direction, so the magnitudes of the electric force F between a proton and an electron, regardless of their positions, will always be the same.

The direction of the electric force F, however, is determined by the electric field line diagram. In the diagram, the electric force F is directed away from the positive charge (the proton) and toward the negative charge (the electron). Therefore, the electric force F will be directed away from point A and toward point B, making the angle relative to the +x axis clockwise, with a positive angle.

In summary, the magnitude of the electric force F between a proton and an electron will remain the same regardless of the positions of the particles, while the direction of the electric force F will be determined by the electric field line diagram, with the angle relative to the +x axis clockwise, with a positive angle.

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Answer:

C. 1.42 s

Explanation:

Givens:

length = 0.5m

gravity = 9.807 m/s

Solve:

T = 2π√(L/g)

T = 2π√(0.5/9.807)

T = 2π√(0.0509)

T = 2π * 0.22579

T = 6.28318 * 0.22579

T = 1.418 ≈ 1.42s

Answer:

A

Explanation:

There is a mechanical advantage in this system....

    she only needed 100 N to lift 500 N

        1:5      she lifted it 2 meters, so if there WAS NO friction, she would have to pull in 5 x 2 = 10 meters

   but there IS friction so she must have pulled in MORE than 10 m  

The charge of the point charge is calculated as 2.92 × 10⁻⁶ C (coulombs).

An electric field is a vector field that surrounds an electrically charged object or a group of charged objects.

The electric field at a distance r from a point charge q is given by the Coulomb's law: E = k*q/r²

k is Coulomb constant and has a value of 8.98755 × 10⁹ N · m²/C².

Given electric field at distance of 84.1 m from point charge is 46.7 N/C and is directed radially in towards charge. So we have: E = 46.7 N/C (inward)

r = 84.1 m

46.7 N/C = (8.98755 × 10⁹ ) * q / (84.1)²

q = (46.7 N/C) * (84.1)² / (8.98755 × 10⁹)

q = 2.92 × 10⁻⁶ C

Therefore, the charge of the point charge is 2.92 × 10⁻⁶C (coulombs).

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The new gravitational force between the two heavenly bodies is six times the original gravitational force.

The gravitational force between two heavenly bodies can be calculated using Newton's law of universal gravitation;

F1 = G × (m1 × m2) / r²...eq (1)

gravitational constant = G

mass 1 = m1

mass 2 = m2

radius = r

distance between them constant,

we can calculate the new gravitational force F2 using the formula:

F2 = G × (m1 × m2) / r²; where

gravitational constant = G

mass 1 = 2m1 (doubled)

mass 2 = 3m2 (tripled)

radius = r

on substitution,

F2 = G × (2m1 × 3m2) / r²

= G × (6m1m2) / r²

= 6 × G × (m1m2) / r²

⇒ (G × (m1 × m2) / r² = F1 )...from eq. (1)

= 6 × F1

⇒ F2 = 6F1

Therefore, the new gravitational force will be six times the original gravitational force when one mass is doubled and the other mass is tripled.

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If one of the masses in a gravitational system is doubled and the other mass is tripled while keeping the distance between the bodies constant, then the new gravitational force will increase by a multiple of:

6 (2 x 3 = 6)

We know from Newton's Law of Gravitation that the gravitational force between two objects is:

F = G * (m1 * m2) / r^2

Where:

F = Gravitational force

G = Universal gravitational constant

m1 = Mass of first object

m2 = Mass of second object

r = Distance between the objects

Since the distance (r) between the two bodies remains constant in the given scenario, it drops out when calculating the change in force.

We are only concerned with how the change in masses affects the force.

Based on the equation, we can see that the gravitational force is directly proportional to the product of the two masses (m1 * m2).

If one mass doubles and the other mass triples, their product will increase by a multiple of 2 x 3 = 6.

Therefore, the new gravitational force between the two heavenly bodies will increase by a factor of 6, compared to the original gravitational force when only one mass was doubled and the other mass tripled, while keeping the distance constant between them.

The speed of the Earth's rotation affects the length of a day, which in turn influences various aspects of life, including the distribution of sunlight, temperature patterns, and the overall dynamics of ecosystems.

To calculate the speed of the Earth's rotation 155 million years ago, we need to consider the rate at which the Earth's rotation is slowing down. According to the given information, the Earth slows down 1/30000 of a minute every 100 years.

Let's first calculate the change in the Earth's rotation speed over 155 million years:

Change in rotation speed = (1/30000 minute/100 years) * (155 million years)

Now we can calculate the speed of the Earth's rotation at that time:

Current rotation speed - Change in rotation speed

Given that the current rotation speed is 1670 kilometers/hour, we can substitute the values and calculate:

Rotation speed at that time = 1670 km/hour - (Change in rotation speed)

Once we have determined the rotation speed at that time, we can assess its potential impact on the movement of dinosaurs or mankind.

A change in the rotation speed could have implications for the behavior, adaptation, and survival of living organisms, including dinosaurs and early humans.

However, it is important to note that the exact magnitude and direct consequences of changes in rotation speed on specific species and their movements would require a more detailed analysis and consideration of various ecological factors.

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Answer:

a

Explanation:

are found in the nucleus and are locked in

Answer:

A

Explanation:

Thats what I think the answer is because protons and neutrons bond together in the nucleus.

The size of the electric current is 155 Amperes.

Calculation:

I = Q / t

I = 93.0 C / 0.601 s

I = 155 C/s

I = 155 A

Electric current is the flow of charged particles such as electrons and ions, that travel through a conductor or space. It is measured as the net flux of charge to the surface or control volume. Electricity starts with atoms.

Atoms are made up of protons neutrons and electrons. Electricity is generated when electrons are moved from atom to atom by an external force. The flow of electrons is called current. Current refers to the flow of current in an electronic circuit and the amount of current that flows through the circuit.

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One advantage of the Hubble Space Telescope over ground-based ones is that it can operate close to its diffraction limit at visible wavelengths. The correct option is E).

The Hubble Space Telescope (HST) has several advantages over ground-based telescopes due to its unique position in space. One significant advantage is its ability to operate close to its diffraction limit at visible wavelengths.

The diffraction limit is the minimum achievable angular resolution of a telescope, determined by the size of its aperture. The HST's position above Earth's atmosphere allows it to avoid the atmospheric distortions and turbulence that affect ground-based telescopes.

By operating close to its diffraction limit, the HST can achieve remarkable image clarity and resolution in the visible spectrum. This enables astronomers to observe fine details and capture high-resolution images of celestial objects. The absence of atmospheric blurring and turbulence allows for sharper and more precise observations.

In contrast, ground-based telescopes are limited by atmospheric conditions, which can introduce blurring and distortions to the captured images. While adaptive optics systems can partially compensate for atmospheric effects, they cannot completely eliminate them.

The HST's location above Earth's atmosphere gives it a significant advantage in achieving optimal image quality and clarity, making it a valuable tool for astronomical research and observations. Option e is the correct answer.

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Explanation:

If the moon doubled in mass, that means that the Earth will not experience a total solar eclipse like today. Also, if it doubled in mass, tide waves would increase in size, as the moon would be bigger and would have a bigger gravitational pull. Also, gravity would be different on earth because the moon is bigger (gravity law by mass). Also, the sky would be ‘smaller’ than our actual sky

Answer:

If the moon's mass doubles, the Earth will not witness a total solar eclipse as today. Also, if its mass doubled, tide waves would double in size since the moon would be bigger and have a stronger gravitational attraction. Also, because the moon is larger, gravity on Earth would be different (gravity law by mass). Also, the sky would be "smaller" than it is now.

Hope I helped! ☺

Answer:

Static stretching.

Explanation:

It is static stretching because it is a form of stretching which u can do actively for a period of time and you hold position for about 30 to 60 seconds which allow the muscles and connective tissues to lengthen. It is done after work out with out movement in order to loosen up muscles so as to gain flexibility.

From the that astronomers categorize galaxies into a handful of basic shapes, it can be concluded that the all galaxies are made from the same forces.

Astronomers have categorized galaxies into three main categories,

Elliptical Galaxies:

These galaxies have smooth ellipsoidal shape. They are most abundant type. For example- Messier 49

Spiral galaxies:

These galaxies have a spiral shapes with many hand like structures. For example- Milky way.

Irregular Galaxies:

They do not have any specific shape.

Therefore, from the that astronomers categorize galaxies into a handful of basic shapes, it can be concluded that the all galaxies are made from the same forces.

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The acceleration of the car is approximately 0.2625 m/s².

To calculate the acceleration of the car, we can use the formula:

Acceleration = (Final Velocity - Initial Velocity) / Time

Given:

Initial Velocity (u) = 6.4 m/s (forward)

Final Velocity (v) = 10.6 m/s (forward)

Time (t) = 16 s

Plugging in the values into the formula:

Acceleration = (10.6 m/s - 6.4 m/s) / 16 s

Acceleration = 4.2 m/s / 16 s

Acceleration ≈ 0.2625 m/s²

Therefore, the acceleration of the car is approximately 0.2625 m/s².

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Part A: The radius of curvature of the lens surface is approximately 3.17 m. Part B: The focal length of the lens is approximately 1.59 m.

Part A:

To find the radius of curvature of the lens surface, use the formula for the radius of the nth bright ring in a planoconvex lens:

r = √(n × λ × f),

where r = radius of the nth bright ring, λ = wavelength of light, and f = focal length of the lens.

In this case, n = 42 (since the last bright ring is observed at the edge), λ = 580 nm (converted to meters, so λ = 580 × 10⁻⁹ m).

Rearranging the formula, solve for f:

f = r² / (n × λ).

Plugging in the values:

f = (0.021 m²) / (42 × 580 × 10⁻⁹ m).

Calculating this expression gives:

f = 3.17 m.

Therefore, the radius of curvature of the lens surface is approximately 3.17 m.

Part B:

The focal length of the lens can be determined using the formula:

f = R / 2,

where R = radius of curvature.

Plugging in the value for the radius of curvature obtained in Part A:

f = 3.17 m / 2.

Calculating this expression gives:

f = 1.59 m.

Therefore, the focal length of the lens is approximately 1.59 m.

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Renewable energy

Advantages :-

1. Easily regenerate

2. Boost economic growth

3. Easily available

4. Support environment

5. Low maintenance cost

Disadvantages :-

1. Weather dependency

2. High installation cost

3. Noise caused by wind energy

4. Fluctuation problem (solar)

5. Intermittency issue (wind)

Non-renewable energy

Advantages :-

1. Concentrated energy source

2. Reliable energy source

3. Can be built anywhere

4. No radioactive waste

Disadvantages :-

1. Produces greenhouse gases

2. Contributes to global warming

3. Produces acid rain

4. Harmful to environment when they are burnt

I hope this helps.....

Answer:

The answer is 35.

Explanation:

We use the formula F=ma

Answer:

4.775,94

Explanation:

FORMULA:

\(\frac{1}{3} * 3,14 * Rx^{2} * H\)

one-third per "pi" (3.14), per radius squared, per height.

Answer:

vol = 4778.36 cm³

Explanation:

volume of a cone = 1/3 π r² h

height (h) = 27 cm

radius (r) = 13 cm

plug in values:

vol = 1/3 π (13)² 27

vol = 4778.36 cm³

The average power delivered by a sinusoidal wave that is described by a cosine function is not zero because the negative portions of the wave still contribute to the total power delivered by the wave.

The power delivered by the negative portions of the wave is equal to the power delivered by the positive portions of the wave, and therefore the average power delivered by the wave is not zero. In a sinusoidal wave that is described by a cosine function, the power delivered by the wave is proportional to the square of the amplitude of the wave. The amplitude of the wave is the maximum displacement of the wave from its equilibrium position. The amplitude of the wave is always positive, even during the negative portions of the wave, which means that the power delivered by the negative portions of the wave is also positive. The average power delivered by the wave is calculated by taking the average of the power delivered by the wave over one cycle of the wave. Since the power delivered by the negative portions of the wave is equal to the power delivered by the positive portions of the wave, the average power delivered by the wave is not zero.

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Answer:

48.26 m

Explanation:

time to goes up (till stop for a while in the air - maximum height)

vt = vo + a t

0 = 15 + g . t

0 = 15 + (-9.8) . t

9.8t = 15

t = 1.531 s

so the time left to goes down is

4.0 - 1.531 = 2.469 s

height from the top of building can find it by using

vo =√(2gh)

15 = √(2)(9.8).h

15² = 19.6h

h = 225/19.6 = 11.48 m

so the distance of maximum height to the ground is

t = √(2H/g)

2.469 = √(2H/9.8)

2.469² = 2H/9.8

6.096 = 2H/9.8

2H = 6.096 x 9.8 = 59.74 m

so the vertical distance of the building (or the building height's is)

H - h = 59.74 - 11.48 = 48.26 m

Actually, every second of time sees a change in velocity of 10 m/s, which is a constant. When an object's velocity changes, it is referred to as accelerating; this implies that the object has an acceleration.

Velocity is the rate of change in direction of an object that is moving as measured by a specific standard of time and observed from a specific point of reference (for example, 60 km/h northbound).

According to the formula v = s/t, speed (v) is a scalar quantity that quantifies dislocation (or a shift in position, s), over change in time (t).

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Explanation:

Acceleration is the change in velocity over change in time.

a = Δv / Δt

So it is the slope of the line of a velocity vs. time graph.

a = (10 m/s − 40 m/s) / (12 s − 0 s)

a = -2.5 m/s²

Responder:

Explicación:

Se dice que el trabajo se realiza cuando una fuerza aplicada a un objeto hace que el objeto se mueva a través de una distancia. El trabajo realizado por un cuerpo se expresa mediante la fórmula;

Workdone = Fuerza * Distancia

Como Fuerza = masa * aceleración,

Workdone = masa * aceleración * distancia

Masa dada = 5.0kg, aceleración = 2.0m / s² d =?

Para obtener d, usaremos una de las leyes del movimiento,

d = ut + 1 / 2at²

u = 0 (ya que el cuerpo acelera desde el reposo) yt = 7.0s

d = 0 + 1/2 (2) (7) ²

d = 49m

Workdone = 5 * 2 * 49

Workdone = 490 Julios

On the basis of constructive interference, when two identical pulses go together in a homogeneous medium and the pulses meet and overlap, the maximum displacement of the medium is equal to 6 cm. So, option (c) is right.

Wave interference is the phenomenon where two waves meet while propagating in the same medium. Constructive interference is a form of interference. It takes place when two pulses meet each other and form a larger pulse. The amplitude of the resulting larger pulse is the sum of the amplitudes of the first two pulses.

This could be done at meetings of two crests or troughs. It can appear anywhere between the two interfering waves are displaced upward. But the two negative effects are also seen when they move downwards.This is shown in the image above. Since we have two identical wave pluses, they are close together in a uniform medium.

Now, Amplitude of pluse A = 3 cm

Amplitude of pluse B = 3 cm

So, the pulses meet and are superposed, the amplitude or maximum displacement of the medium is sum of amplitudes of pluses, that is 3cm + 3 cm = 6 cm. Therefore, the displacement value should be 6 cm.

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Complete question:

-The diagram above represents two identical pulses approaching each other in a uniform medium.

As the pulses meet and are superposed, the maximum displacement of the medium is?

a) - 6 cm

b) 0 cm

c)6 cm

d) 3 cm

According to constructive interference, the maximum displacement of the medium when two identical pulses collide and overlap in a homogeneous medium is equal to 6 cm. Option (c) is correct, therefore.

When two waves collide while moving across the same medium, the result is known as wave interference. Interference includes constructive interference. It happens when two pulses collide and create a bigger pulse. The initial two pulses' amplitudes are added to create the larger, resultant pulse.

This could be carried out when two crests or troughs meet. It could show up anywhere where the two competing waves are displaced upward. But when they descend, the two adverse impacts are also evident.In the picture up top, this is evident. In a homogeneous medium, they are close together since we have two identical wave pluses.

The current amplitude of pluse A is 3 cm.

The pluse B's amplitude is 3 cm.

The sum of the plus amplitudes of the pulses, or 3 cm + 3 cm = 6 cm, is the amplitude or maximum displacement of the medium as the pulses collide and superimpose. So, 6 cm should be the displacement value.

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A radio frequency identification application would most likely interface with an Operational Data Store.

The Operations Data Store (ODS) is a central database that provides the latest data snapshots from multiple transaction systems for operational reporting.

It allows organizations to combine data in its original format from various sources into a single destination to provide business reporting.

ODS contains integrated updates from operational sources and supports business intelligence (BI) tools to facilitate tactical decision making.

For example, an administrator can configure ODS to pull weekly batches of data from a billing application that is rarely updated, importing individual transaction records as they occur in the sales database(thanks to these database triggers), then combine the two into new relational tables.

As a result, querying and reporting on operational data in ODS comes with the assurance that these integrated tables contain the latest and most relevant snapshots of the business.

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