A restaurant records the number of tables served each night, and the results have the values: minimum = 3, lower quartile = 14, median = 23, upper quartile = 29, and maximum = 40. Which box plot represents the data?

The changes in light wavelengths support the most widely accepted

ideas about the universe is Light from other galaxies shifts toward the red end of the spectrum, which shows that the galaxies are moving away from Earth. The correct option is A.

Universe is the whole cosmic system of matter and energy. The Earth, the Sun, the Moon, the planets, the stars along with the ,dust , gases, rocks forms the universe.

As the universe is expanding more and more, the galaxies are shifting their way apart.

According to  Doppler's Effect, wavelength and frequency of a wave will changes with respect to an observer If the observer moves closer, the spectrum will shift towards blue end and if it moves away, the spectrum will shift towards the red end.

When spectrums of distant galaxies were observed to be shifting towards red light,  also known as Red shifting. This shows that the Big Bang theory is true that universe is expanding.

Thus, the correct option is A.

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Answer:

check the attachments for the solution

Answer:

.737 v

Explanation:

Since they are in series....they all have the same current running through them.....find the total resistance to calculate the current:

R = 67 + 83 + 433 + 309 = 892 ohm

V/R = current = 7.92 / 892 = 8.87 mAmps

Now the voltage across ecah resistor is   I R

 for the second one   8.87 ma * 83 ohm = V = .737 V

Answer:

18 times

Explanation:

All sheaves used in the boom hoist reeving system must have a rope pitch diameter of not less than 18 times the nominal diameter of the rope used. The operating design factor for the boom hoist reeving system must be not less than five.

The electromagnetic spectrum which is high enough to warm food without having ionizing impacts include:

This involves an atom or a molecule gaining or losing electrons to form charged ion.

The electromagnetic spectrum wit long wavelengths will have enough energy to warm it without ionizing impacts and they are mentioned above.

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The entire electromagnetic spectrum, from the lowest to the highest frequency (longest to shortest wavelength), includes all radio waves (e.g., commercial radio and television, microwaves, radar), infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays.

False, There is other things aswell

What property/properties of water allowed the water to stick to the penny?

Solution's:

Explanation:

By these properties, the water molecules gets attracted to the other molecules. Hence, this makes the water get stick to the penny.

Answer:

cohesion and surface tension

Explanation:

The properties of cohesion as well as surface tension, possessed by water, made the water stick to the penny.

Answer

0.163 kg

Explanation:

[tex]\sf Kinetic \ Energy = \dfrac{1}{2} \ x \ mass \ x \ velocity^2[/tex]

Here we are provided with:

1) Kinetic Energy = 4.32 x 10 Joules ≈ 43.2 Joules

2) Speed/Velocity = 23 m/s

Now, solve for mass:

[tex]\rightarrow \sf \dfrac{1}{2} \ x \ mass \ x \ velocity^2 = Kinetic \ Energy[/tex]

[tex]\rightarrow \sf \dfrac{1}{2} \ x \ mass \ x \ (23)^2 =43.2[/tex]

[tex]\rightarrow \sf mass= \dfrac{43.2 (2)}{23^2}[/tex]

[tex]\rightarrow \sf mass= 0.163 \ kg[/tex]

Answer:

diffraction

Explanation:

took da test

The speed of Nancy who ran a distance of 5 km in 30 minutes is 10000 meters(m) per hour(h).

The rate of speed is the rate at which the total distance is travelled in the time taken. Rate of speed can be given as,

[tex]s=\dfrac{d}{t}[/tex]

Here, (d) is the distance travelled by the object and (t) is the time taken but the object to cover that distance.

Nancy ran a distance of 5 km in 30 minutes. There are 60 minutes in one hour. Thus, the time in hour for which Nancy ran is,

[tex]t=\dfrac{30}{60}\\t=0.5\rm\; hr[/tex]

The meters in 5 kilometers is,

[tex]d=5\times1000\\d=5000\rm\; m[/tex]

She ran 5000 kilometers in 0.5 hours. Thus, the speed of her is,

[tex]s=\dfrac{5000}{0.5}\\s=10000\rm\; km/hr[/tex]

Thus, the speed of Nancy who ran a distance of 5 km in 30 minutes is 10000 meters(m) per hour(h).

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Answer:

Double-replacement

Explanation:

2Li + CaCl2 → 2LiCl + Ca O

D. Double-replacement

For a figure skater goes into a spin with her arms outstretched. She then pulls her arms against her body. If she is initially rotating at 2rev / s  is mathematically given as

Wf= 6rev / s

Generally, the equation for the conservation angular momentum  is mathematically given as

I1Wf=I2Wf

2kg - m ^ 2 X 2rev / s = 1.5kg - m ^ 2 X W2

Wf= 2/1.5(2)

Wf= 6rev / s

In conclusion, her final rotational speed is

Wf= 6rev / s

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Answer:

Vy = V sin θ = 5.42 m/s * .907 = 4.91 m/s     initial vertical speed

Vy = a t = 0    at time it reaches maximum height

t = 4.91 m/s / 9.80 m/s^2 = .501      time to reach maximum height

IMA = inclined mechanical advantage = distance (L) : height (h)

the longer the track / distance the easier we lift it

C. carrying the piano up a long staircase with many steps spread apart

If air resistance is ignored, the ball could land on the green after a flight time of 3.5s.

The vertical velocity of the ball is calculated as follows;

[tex]h = v_yt - \frac{1}{2} gt^2\\\\7.5 = (3.5)v_y - \frac{1}{2}(9.8)(3.5)^2\\\\ 7.5 = 3.5v_y - 60.025\\\\3.5v_y = 67.525\\\\v_y = 19.29 \ m/s[/tex]

X = Vxt

Vx = (X)/t

Vx = (70)/3.5

Vx = 20 m/s

v = √(Vy² + Vx²)

v = √(19.29² + 20²)

v = 27.79 m/s

tanθ = (Vy)/(Vx)

tanθ = (19.29)/(20)

tanθ = 0.9645

θ = 43.96⁰

The time of flight is calculated as follows;

[tex]T = \frac{2u \times sin(\theta)}{g} \\\\T = \frac{2 \times 27.79 \times sin(43.96)}{9.8} \\\\T = 3.9 \ s[/tex]

X = VxT

X = 20 x 3.9

X = 78 m

The ball will land on green which is at 70 m after 3.5s.

Thus, if air resistance is ignored, the ball could land on the green after a flight time of 3.5s.

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Answer:

1.6 ml

Explanation:

Answer:

The x - component of the normal force is equal to 1706.45 N.

Explanation:

To solve the problem, and since there is no additional information, we can safely assume that the x-axis is parallalel to the hill surface and the y-axis is perpendicular to the x-axis. Knowing that, we can calculate the components of the normal force (or weight for this case), using the following formulas:

[tex]N

x

=W∗Sin(α)=mg∗Sin(α)[/tex]

[tex]N

y

=W∗Cos(α)=mg∗Cos(α)[/tex]

Now, using the given information, we have:

[tex]mass=m=1150Kg[/tex]

[tex]a=8.70[/tex]

[tex]g=9.81 \frac{m}{ {s}^{2} } [/tex]

Calculating, we have:

[tex]N_{x}=mg*Sin(\alpha)[/tex]

[tex] \: \: \: \: \: \: \: \: \: N_{x}=1150Kg*9.81\frac{m}{s^{2}}*Sin(8.70\°)[/tex]

[tex]N

x =11281.5

s

2

Kg.m

∗Sin(8.70\°) = \\ \\ 1706.45

s

2

Kg.m

=1706.45.23N[/tex]

Hence, we have that the x-component of the normal force is equal to 1706.45 N.

Answer:

zero

Explanation:

fx=

Answer:

the first one looks like a spiral galixy

the 2nd one looks like a lenticular galixy ?? (im pretty sure but not 100%)

the 3rd one looks like a elliptical galixy

Explanation:

Answer:

1. Spiral

2. Not sure but i think its irregular.

3. Elliptical

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Answer:

Mass.

Explanation:

Do the data support or refute the hypothesis, normally, the data for the first part of the experiment support the first hypothesis.

Hypothesis testing refers to the formal procedures used by statisticians to accept or reject these hypotheses. When trying to make decisions, it is convenient to formulate assumptions or conjectures about the populations of interest, which consist of considerations about their parameters.

As a result of this, we can see that from the complete text, there is a set of data which is used to show the force that is applied to a cart that causes the acceleration of the cart to increase which supports Newton's second law.

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Answer:

The data support the hypothesis. As the number of half-lives increased, the number of radioactive atoms decreased. With each half-life, approximately half of the radioactive atoms in a sample decayed to a stable isotope.

Explanation:

edge 2022

Answer:

Sound waves are able to go throught some objects.

Explanation:

Dalton's atomic theory is related to the characteristics of atom. The statement describes one of the main principles of Dalton's atomic theory is atoms of same element are identical.

The Dalton's theory states that All matter is composed of extremely small particles called atoms and Atoms of a given element are identical in size, mass, and other properties. Atoms of different element are different.

Hence, the statement describes one of the main principles of Dalton's atomic theory is atoms of same element are identical.

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The Renaissance astronomer who wrote the pioneering book that suggested the Earth probably orbits the Sun was Copernicus.

An astronaut observes and performs the experiments based on the universe.

The astronomer observes the universe and its components closely using telescope being on the Earth. While the astronaut goes into space to look in closely.

The astronomer who gave the observation that Earth is orbiting around the Sun was Nicolaus Copernicus.

Thus, the correct option is Copernicus.

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The answers to your questions are as written below:

A negatively charged molecule move inwards when placed in an electric field while positively charged molecule placed in a electric field will move outwards the electric field.

A neutral/uncharged molecule will remains still when placd in an elctric field due to the absence of charges.

Hence we can concude that the answers to your questions are as listed above.

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attached below is the missing image

Answer:

200

Explanation:

P = M x V

P = 8 x 25

P = 200

A uniform magnetic field is perpendicular to the plane of a circular loop. The rate must the magnitude of change to induce a 10 A current in the loop.

The magnetic field which doesn't change with respect to time is called the uniform magnetic field.

The resistance of the loop is related to the length of the wire as

R=ρ L/ A

Diameter of wire is 10 cm formed from wire of diameter 2.5 mm and resistivity is 1.69×10⁻⁸ Ω⋅m.

Substituting the values into the above equation, we get

R ​ = {(1.69×10−8Ω⋅m) × π(0.10m)} / {π(2.5×10−3m)2/4}

R ​ =1.1×10−3Ω

Current is related to emf as

i=∣ε∣/R

=∣dΦB​/dt∣ / R

=(πl2/R) ∣ dB/dt ∣.

Substituting the given values from the question, we have rate of change of magnetic field

∣dB / dt∣​ = πr2iR​

∣dB / dt∣​ = π(0.05m)2(10A)(1.1×10−3Ω)

∣dB / dt∣​ ​ =1.4T/s

Therefore, the rate must the magnitude of change to induce a 10 A current in the loop is 1.4T/s.

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Answer:

5.4mL

Explanation:

20.25g divided by 3.75g/mL= 5.4mL

Answer:

BEFORE A ROLLER COASTER

Explanation: