A manufacturer collects a sample of 30 bags of flour, measuring
their weights in kilograms (kg). The mean weight in the sample is
found to be 0.52 kg. Assume the population standard deviation is
known

The net force acting on the box is \(23.37N\)

What is Force?

Net Force = Difference between opposite direction forces.

Force acting on the box in north direction=\(1.05N+9.54N\)

                                                                     =\(10.59N\)

Force acting on the box in south direction=\(33.96N\)

Therefore,Net force=\(33.96N-10.59N\)

                                 =\(23.37 N\).

To learn more about Force from the given link https://brainly.com/question/12970081.

#SPJ1.

Answer:

I know it is the first one but I think it is the third one too but you would have to double check me

Answer: The answer is

Fiber helps digestion and can prevent constipation.

Soluble fiber helps lower cholesterol, which may prevent heart disease.

Explanation:

I have done this

Answer:

Large numbers might create fuse, be confusing and if you miss even one of the zeros it is a very big deal in a situation when you are making a spaceship. Hope this answers your questions :) Merry Christmas. Have fun.

Explanation:

2

Explanation:

for saving space in large numbers

and small numbers for multiplying easily

Answer:

2. 1.85

Explanation:

the equations weight * distance / other persons weight = distance from fulcrum. so 66.4*2.35/84.2=1.8532 round down to 1.85

Within the boundaries of the constellations Coma and Virgo, numerous galaxies can be found. In fact, the Virgo Cluster of galaxies is one of the most prominent galaxy clusters in the nearby universe and contains over 2,000 galaxies.

The Coma Cluster of galaxies is located in the constellation Coma Berenices and is another rich cluster of galaxies that is also studied by astronomers. It contains more than 1,000 galaxies and is one of the most massive structures in the universe.

In addition to these large clusters of galaxies, there are also many individual galaxies within the boundaries of Coma and Virgo. For example, the Sombrero Galaxy (M104) is a prominent galaxy in the constellation Virgo, while the Coma Galaxy Cluster contains many individual galaxies, including NGC 4889, which is one of the largest galaxies known.

Additionally, the Coma Cluster is another notable cluster of galaxies located in this region of the sky. Both of these clusters are important objects of study for astronomers as they offer insights into the formation and evolution of galaxies and galaxy clusters.

To learn more about Constellations, visit:

https://brainly.com/question/13048348

#SPJ11

Answer: The answer is B. 150.002

Explanation: Add 0.0020 by 150

Force on a 0.0020 C charge in an electric field of 150 V/m will be 0.3 N

An electric field is defined as the electric force per unit charge . The electric field is radially outward from a positive charge and radially in toward a negative charge .

General formula to find Electric field is :

Electric field  = Force / charge

given

charge = 0.0020 C

Electric field = 150 V/m

Force = ?

Force  = Electric field * charge

          =  150 V/m * 0.0020 C

          = 0.3 N

Force on a 0.0020 C charge in an electric field of 150 V/m will be 0.3 N

correct answer is A) 0.30 N

learn about  Electric field :

https://brainly.com/question/8971780?referrer=searchResults

#SPJ3

Answer:

0.04kg

Explanation:

Explanation in pics:

The formula for kinetic energy is KE = 1/2mv². So now the question asks for the mass, not KE. So we need to rearrange the formula so that we are calculating the mass. So, the formula for mass is m=KE/(1/2v²). Now we just substitute the values into the formula. Then just follow what it shows in the pic

Answer:

Percent saturation refers to the amount of hemoglobin in the blood that is bound to carbon monoxide (CO) compared to the total amount of hemoglobin that could be bound to CO. In the context of carbon monoxide poisoning, percent saturation is used to measure the severity of the poisoning. The higher the percent saturation, the more CO is bound to the hemoglobin, which reduces the amount of oxygen that can be transported by the blood, leading to oxygen deprivation in the body's tissues.

Explanation:

Answer:

When carbon monoxide enters the bloodstream, it combines with hemoglobin. The percent saturation of carbon monoxide poisoning is always 34%.

What happens to oxygen saturation in carbon monoxide poisoning?

Carbon monoxide causes cellular hypoxia by reducing oxygen carrying capacity and oxygen delivery to tissues, and it may also affect intracellular oxygen utilization.

What is the percentage of a carbon monoxide level?

Poisoning is considered to have occurred at carboxyhaemoglobin levels of over 10%, and severe poisoning is associated with levels over 20-25%, plus symptoms of severe cerebral or cardiac ischaemia. However, people living in areas of pollution may have levels of 5%, and heavy smokers can tolerate levels up to 15%

Hope the helps :)

Pls brainliest...

No, the sun cannot explain global warming. Global warming is a phenomenon in which the temperature of the Earth's surface and atmosphere is rising continuously due to human activities such as deforestation, burning of fossil fuels, and industrialization.

This increase in temperature cannot be explained only by an increase in solar radiation.There are several factors which contribute to global warming, including greenhouse gases such as carbon dioxide, methane, and water vapor. These gases trap heat in the Earth's atmosphere, which causes the planet's temperature to rise. The sun's radiation does contribute to global warming, but it is not the main cause.

i) To calculate the increase in solar radiation that would cause the Earth to warm up by 1 K, we can use the following formula:ΔS = ΔT / αWhere ΔS is the increase in solar constant, ΔT is the increase in temperature, and α is the Earth's albedo (reflectivity).α = 0.30 is the standard value used for the Earth's albedo.ΔS = ΔT / αΔS = 1 K / 0.30ΔS = 3.33 W/m2So, to explain the increase in temperature of 1 K over the last hundred years, the solar constant would need to increase by 3.33 W/m2.

ii) The observed fluctuation of the solar constant over the past 400 years has been around 0.1% to 0.2%. This is much smaller than the 3.33 W/m2 required to explain the increase in temperature of 1 K over the last hundred years. Therefore, it is unlikely that the sun is the main cause of global warming.

The sun cannot explain global warming. While the sun's radiation does contribute to global warming, it is not the main cause. The main cause of global warming is human activities, particularly the burning of fossil fuels, which release large amounts of greenhouse gases into the atmosphere.

To know more about global warming :

brainly.com/question/29625243

#SPJ11

The resultant displacement of the bullet is  1,418.6 m.

The resultant displacement of the bullet is the total displacement of the bullet obtained by resolving the displacement into x and y component.

the horizontal component of the displacement (x)  = d cosθ

the vertical component of the displacement (y) = d sinθ

where;

For the first displacement;

x = 850 m x cos(0) = 850 m

y = 850 m x sin(0) = 0

For the second displacement;

x = 640 m  x   cos(36) = 517.8 m

y = 640 m  x  sin(36) = 376.2 m

Net horizontal and vertical displacement;

∑x = 850 m  +   517.8 m   = 1,367.8 m

∑y = 376.2 m + 0 = 376.2 m

The resultant displacement of the bullet is calculated as;

d = √(∑x² + ∑y²)

d = √(1,367.8²   +    376.2²)

d = 1,418.6 m

Learn more about resultant displacement here: https://brainly.com/question/13309193

#SPJ1

Answer: black holes

Explanation:

The correct answer is Option 3: her moment of inertia increases and her angular speed increases. When the lady extends her arms out, her moment of inertia increases because she is now further away from the axis of rotation and the mass of her arms is now contributing to her moment of inertia. Since her moment of inertia increases, her angular speed must also increase in order to conserve angular momentum.

Answer:

2500 Newtons

Explanation:

If force equals the mass × acceleration then all should be quite simple

25kg is the mass of your car

100 m/s/s is the acceleration of you car

25kg • 100m/s/s = 2500 Newtons

Answer:

\(\boxed {\boxed {\sf 2500 \ Newtons }}\)

Explanation:

The formula for force is the product of mass and acceleration.

\(F=m*a\)

The mass of the car is 25 kilograms and the acceleration is 100 meters per square second. So,

\(m= 25 \ kg \\a= 100 \ m/s^2\)

Substitute the values into the formula.

\(F= 25 \ kg * 100 \ m/s^2\)

Multiply.

\(F= 2500 \ kg*m/s^2\)

\(F= 2500 \ N\)

The force of the car is 2500 Newtons.

Answer:

This is an artesian well.

Explanation:

An artesian well is simply a well that doesn't require a pump to bring water to the surface. This occurs when there is enough positive pressure in the aquifer to bring the water to the surface. An artesian aquifer is confined between impermeable rocks or clay which causes this positive pressure.

Answer:

3 m/s

Explanation:

have a good day

The magnitude spectrum versus frequency for the signal g(t) = exp(-10t)u(t) and the continuous magnitude transform, and to determine the number of points in the signal and the period, the provided MATLAB code can be used.

A. To plot the magnitude spectrum versus frequency for the signal g(t) = exp(-10t)u(t) for 0 ≤ t ≤ 1 with Δt = 0.01 and determine the number of points in the signal:

```matlab

% Define parameters

delta_t = 0.01; % Sampling interval

t = 0:delta_t:1; % Time vector

g = exp(-10*t).*(t >= 0); % Signal definition

% Pad with zeros

N_zeros = 450;

g_padded = [zeros(1, N_zeros), g, zeros(1, N_zeros)];

% Compute the Fourier Transform

G = fft(g_padded);

% Compute the magnitude spectrum

G_mag = abs(G);

% Determine the number of points in the signal

num_points = length(g_padded);

% Determine the period

T = num_points * delta_t;

% Determine the frequency vector

Fs = 1/delta_t; % Sampling frequency

f = (-Fs/2 : Fs/num_points : Fs/2 - Fs/num_points);

% Plot the magnitude spectrum versus frequency

plot(f, G_mag);

xlabel('Frequency');

ylabel('Magnitude Spectrum');

title('Magnitude Spectrum versus Frequency');

```

B. To plot the continuous magnitude transform given by G(f) = (10 + j2πf) / (1 - e^(-(10 + j2πf))) and utilize the same frequency separation:

```matlab

% Define frequency range

f = -Fs/2 : Fs/num_points : Fs/2 - Fs/num_points;

% Evaluate the expression for G(f)

G_continuous = (10 + 1j * 2 * pi * f) ./ (1 - exp(-(10 + 1j * 2 * pi * f)));

% Plot the continuous magnitude transform

plot(f, abs(G_continuous));

xlabel('Frequency');

ylabel('Magnitude');

title('Continuous Magnitude Transform');

```

C. To plot the magnitude spectrum versus frequency for the signal g(t) = sinc(πt) assuming Δt = 0.01 and determine the period T:

```matlab

% Define parameters

delta_t = 0.01; % Sampling interval

t = -1:delta_t:1; % Time vector

g = sinc(pi*t); % Signal definition

% Pad with zeros

N_zeros = 450;

g_padded = [zeros(1, N_zeros), g, zeros(1, N_zeros)];

% Compute the Fourier Transform

G = fft(g_padded);

% Compute the magnitude spectrum

G_mag = abs(G);

% Determine the number of points in the signal

num_points = length(g_padded);

% Determine the period

T = num_points * delta_t;

% Determine the frequency vector

Fs = 1/delta_t; % Sampling frequency

f = (-Fs/2 : Fs/num_points : Fs/2 - Fs/num_points);

% Plot the magnitude spectrum versus frequency

plot(f, G_mag);

xlabel('Frequency');

ylabel('Magnitude Spectrum');

title('Magnitude Spectrum versus Frequency');

```

To know more about frequency refer here

https://brainly.com/question/29739263#

#SPJ11

You had me worried there for a second.  I thought you were going to ask how much the time changes, or how much the speed changes as it hits the ground, and I was gonna skip this question and go to bed.

But the acceleration won't change.  That's always 9.8 m/s².  That's the acceleration of gravity on Earth. It doesn't depend on what you drop, or what its mass is, or how heavy it is, or what color it is, or how high you drop it from. The only way you can change it is to drop the rock through air or water, or on a different planet.

The best way to describe sound levels is through a ratio scale.

The decibel scale, which measures sound levels, is best described as a ratio scale. While the decibel scale is logarithmic, it can be transformed into a linear ratio scale by using a reference point. By selecting a reference point as the softest sound the human ear can hear unaided (0 dB), we establish a meaningful zero point on the scale. Any sound level above this reference point can be expressed as a positive value, indicating its magnitude relative to the softest audible sound. The logarithmic nature of the decibel scale still holds, with each increase of 10 dB representing a tenfold increase in sound intensity. However, by anchoring the scale to a fixed reference point, we can now quantify and compare sound levels in a meaningful way, making it a ratio scale.

Learn more about ratio scale:

brainly.com/question/31315229

#SPJ11

The height above the surface of Planet P where the gravitational acceleration is 58.8 percent of its value at the surface is 3890 km.

Option C

The gravitational acceleration at a height h above the surface of Planet P is given by:

g(h) = g(0) x (R / (R + h))^2

where;

We are given that:

g(h) = 0.588 x  g(0)

R = 9250 km

Substituting these values into the equation above, we get:

0.588  x g(0) = g(0) x (9250 / (9250 + h))^2

Simplifying and solving for h, we get:

h = 3890 km

Learn more about gravitational acceleration here: https://brainly.com/question/14374981

#SPJ1

If the water-vapor content of air remains constant, lowering the air temperature causes an increase in relative humidity.

When the air temperature decreases, the air's capacity to hold water vapor also decreases. This means that the same amount of water vapor in the air now takes up a larger percentage of the air's total moisture-holding capacity.

As a result, the relative humidity increases. In more extreme cases, this can lead to condensation or even precipitation, as the air becomes saturated and can no longer hold the water vapor.

This is why dew or frost often forms during colder nights when the temperature drops significantly. To summarize, lowering the air temperature while maintaining a constant water-vapor content results in an increase in relative humidity due to the reduced moisture-holding capacity of the cooler air.

To know more about relative humidity click on below link:

https://brainly.com/question/30415486#

#SPJ11

The correct statements are Light strikes mirror and is reflected off mirror, reflected off mirror strikes observer’s eyes, Light reflects off mirrors according to law of reflection. So, correct options are A, B and D.

Plane mirrors are smooth and flat mirrors that reflect light to form virtual images. The reflection of light from a plane mirror follows the law of reflection, which states that the angle of incidence (the angle at which light strikes the mirror) is equal to the angle of reflection (the angle at which light reflects off the mirror).

When light strikes a plane mirror, it is reflected off the mirror's surface, following the law of reflection. The reflected light then travels to an observer's eyes, where it forms an image that appears to be behind the mirror. This image is called a virtual image because it is not a real object, but an apparent image that appears to be located behind the mirror.

The process of forming an image using a plane mirror does not involve the passing of light through the mirror. Instead, light reflects off the mirror's surface to form the image.

Therefore, the correct statements that describe how light interacts with plane mirrors to form images are:

Light strikes a mirror and is then reflected off the mirror.

Light reflected off a mirror strikes the observer’s eyes.

Light reflects off mirrors according to the law of reflection.

So, correct options are A, B and D.

To learn more about light click on,

https://brainly.com/question/10507280

#SPJ1

Answer:

are A, B and D

Explanation:

Initially the energy was kinetic energy and in some proportion sound energy. After you stop pushing yourself yo slow down; this means that the kinetic energy is being converted in another kind of energy; the conversion occurring is kinetic energy converting to heat and sound energy, that's why the wheels heat up (get hot) and you hear the sound. All the energy you had eventually transform in those types and you stop.

Answer:

Work

Explanation:

The amount of work you put into the activities can affect different amounts of power. Since power is work/time and work is force/displacement, it depends on the amount of work you put into it to alter the power.

Sowwy if my explanation is wack :C

The force of gravity depends directly upon the masses of the two objects, and inversely on the square of the distance between them. This means that the force of gravity increases with mass, but decreases with increasing distance between objects.

The molar solubility of La(IO₃)₃ in pure water is approximately 1.0 × 10⁻⁴ mol/L.

The molar solubility of a compound refers to the maximum amount of the compound that can dissolve in a given solvent at a specific temperature, typically expressed in moles per liter (mol/L). To determine the molar solubility of La(IO₃)₃ in pure water, we can use the given value of the solubility product constant (Ksp) for La(IO₃)₃, which is 1.0 × 10⁻¹¹.

La(IO₃)₃ dissociates into La³⁺ and IO₃⁻ ions in water. Let's assume x mol/L represents the molar solubility of La(IO₃)₃. According to the balanced chemical equation, one mole of La(IO₃)₃ produces one mole of La³⁺ ions and three moles of IO₃⁻ ions.

Therefore, the solubility product expression for La(IO₃)₃ is:

Ksp = [La³⁺][IO₃⁻]³

Since the concentration of La³⁺ ions is equal to the molar solubility (x) and the concentration of IO₃⁻ ions is three times the molar solubility (3x), we can substitute these values into the Ksp expression:

Ksp = (x)(3x)³

1.0 × 10⁻¹¹ = 27x⁴

Solving for x, we find:

x ≈ 1.0 × 10⁻⁴ mol/L

Therefore, the molar solubility of La(IO₃)₃ in pure water is approximately 1.0 × 10⁻⁴ mol/L.

Learn more about temperature here: brainly.com/question/32047669

#SPJ11

Answer:

I think its

10 kg

plzz plzz plzz. mark as brainliest

If the mass of an object is approximately 60 kg on earth then its mass remains the same on Mars which is 60 kg because mass does not change from place to place.

Mass in physics is a numerical representation of inertia, a fundamental property of all matter. What a body of matter is fundamentally is the resistance it offers to a change in its speed or location brought on by the application of a force. The more mass a body has, the less of a change a force exerts results. The kilogram is the unit of mass in the International System of Units, and it is defined by Planck's constant as being equal to 6.62607015 × 10⁻³⁴ joules second (SI).

According to the question, the weight of an object depends on gravity which is different from place to place so weight also varies from place to place but the mass is constant everywhere it does not change. So, if the mass of an object is 60 kg on earth then it remains the same on mars also.

To get more information about Mass :

https://brainly.com/question/19694949

#SPJ5

A  hybrid electric vehicle (hev) gasoline engine usually uses a low viscosity of engine oil.

The viscosity of engine oil recommended for a hybrid electric vehicle  gasoline engine depends on  several prevailing conditions such as;

The most hybrid electric vehicle gasoline engines typically require low-viscosity engine oils, such as 0W-20, 5W-20, or 5W-30.

These oils have a lower viscosity, which helps reduce friction and improve fuel efficiency.

So we can conclude that a  hybrid electric vehicle (hev) gasoline engine usually uses a low viscosity of engine oil.

Learn more about engine oil here: https://brainly.com/question/12962733

#SPJ4

Explanation: