A circle is inscribed in a regular hexagon with side length 10 feet. what is the area of the shaded region? a circle is inscribed in a regular hexagon with side length 10 feet. an apothem and 2 raddi are drawn to form 2 triangles with angles 30, 60, and 90 degrees. the area between the circle and the hexagon is shaded. recall that in a 30 â€" 60 â€" 90 triangle, if the shortest leg measures x units, then the longer leg measures xstartroot 3 endroot units and the hypotenuse measures 2x units. (150startroot 3 endroot â€" 75Ï€) ft2 (300 â€" 75Ï€) ft2 (150startroot 3 endroot â€" 25Ï€) ft2 (300 â€" 25Ï€) ft2

Answer:

27.5 ohms

Explanation:

V = IR

V / I = R

220/8 = 27.5 Ohms

limiteds edition oon substartion basiss i dont kkown

thats a hella slow plane

True, a pole is any material that attracts iron and this is known as magnetism. This is due to the fact that iron is a ferromagnetic material, which means it has a strong attraction to magnetic fields.

However, not all materials that contain iron are necessarily magnetic. Iron is commonly found in a variety of materials such as steel, iron ore, and cast iron, among others. However, other elements can be added to these materials, altering their magnetic properties.

For example, adding carbon to iron creates steel, which can be made into both magnetic and non-magnetic forms. Additionally, some materials that contain iron, such as aluminum or copper, are not magnetic at all. So while it is true that a pole is any material that attracts iron, not all materials that contain iron are necessarily magnetic.

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Gamma decay cannot result in the transmutation of the parent nucleus. Therefore, option (A) is correct.

Gamma decay can be described as the emission of electromagnetic radiation of a high frequency that is a high energy, giving out excess energy to stabilize the unstable nucleus. Gamma rays can be defined as a stream of high-energy radiation given off by a nucleus undergoing radioactive decay.

Gamma decay can be described as the nucleus dropping from a higher energy level to a lower energy level through the emission of high-energy photons.

Therefore, the gamma-ray emitted is also of very high energy, just like x-rays. Due to their high energy of gamma rays, they are penetrating and thereby dangerous to biological life forms.

In the transmutation of an element, one element is converted into another element. In gamma decay, the transmutation of the parent nucleus does not take place. As the gamma-ray high-energy particles are represented as ⁰γ₀.

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Answer:

igneous rocks are formed through the cooling and solidification of magma or lava. As hot, molten rock rises to the surface, it undergoes changes in temperature and pressure that cause it to cool, solidify, and crystallize.

Answer:

T is 9s.

Explanation:

In power formula Power (P) = work done(W)/time (t) . Make time(T) the subject.

Therefore time is work done÷ power

Time (T) = 225J÷25W

Time(T) = 9s

Therefore T is 9s.

The correct mathematical relationship for the two times is Option B: TE = √gM/gE . TM.

Gravity is a natural phenomenon that causes objects with mass to be attracted to one another. It is one of the four fundamental forces in nature and is responsible for the formation and structure of galaxies, stars, and planets. Gravity is experienced as a force pulling objects towards each other. The strength of gravity depends on the distance between two objects, as well as their masses.

This is because the acceleration due to gravity is inversely proportional to the time taken for an object to fall. The equation for this is:
Time = √2*Distance/Acceleration.
Therefore, if we substitute the values for the Moon and Earth in this equation, we get:
TE = √gM/gE . TM
where gM and gE are the accelerations due to gravity on the Moon and Earth, respectively, and TM and TE are the times taken for the object to reach the Moon's and Earth's surfaces, respectively.

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According to the given statement , the radius of the circular path the proton is now in is approximately 0.023 meters.

The Lorentz Force Law describes the force experienced by a charged particle moving in a magnetic field. Let's answer each part of the question step by step.

(a) To find the force on the proton due to the magnetic field, we can use the formula for the Lorentz force:

F = qvB

Where F is the force, q is the charge of the proton, v is its velocity, and B is the magnetic field strength.

Given:
q = charge of the proton = 1.6 x 10⁻¹⁹ C (coulombs)
v = velocity of the proton = 4.33 x 10⁶ m/s (meters per second)
B = magnetic field strength = 0.0288 T (tesla)

Substituting these values into the formula, we get:

F = (1.6 x 10⁻¹⁹ C)(4.33 x 10⁶ m/s)(0.0288 T)

Evaluating this expression, we find:

F ≈ 2.89 x 10⁻¹³ N (newtons)

Therefore, the force on the proton due to the magnetic field is approximately 2.89 x 10⁻¹³ N.

(b) To find the radius of the circular path the proton is now in, we can use the formula for the radius of a circular motion:

r = mv / (qB)

Where r is the radius, m is the mass of the proton, v is its velocity, q is its charge, and B is the magnetic field strength.

Given:
m = mass of the proton = 1.67 x 10⁻²⁷ kg (kilograms)
v = velocity of the proton = 4.33 x 10⁶ m/s (meters per second)
q = charge of the proton = 1.6 x 10⁻¹⁹ C (coulombs)
B = magnetic field strength = 0.0288 T (tesla)

Substituting these values into the formula, we get:

r = (1.67 x 10⁻²⁷ kg)(4.33 x 10⁶ m/s) / ((1.6 x 10⁻¹⁹ C)(0.0288 T))

Evaluating this expression, we find:

r ≈ 0.023 m (meters)

Therefore, the radius of the circular path the proton is now in is approximately 0.023 meters.

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Answer:

a

Explanation:

Answer:

b

Explanation:

a=v2/r

=0.89^2/2.8

=0.2828...

=0.28

The centripetal acceleration of the child sitting on a merry-go-round 2.8 m from the center will be 0.283 m/s².

Centripetal acceleration is the constant change in velocity necessary for an object to maintain a circular path. We can write the formula for centripetal acceleration as -

a[C] = v[T]²/r

where -

v[T] is tangential velocity

r is radius

Given is a child is sitting on a merry-go-round 2.8 m from the center and the tangential velocity of the ride is 0.89 m/s.

We can write -

Radius [r] = 2.8 m

Tangential velocity = v[T] = 0.89 m/s.

Using the formula for centripetal acceleration -

a[C] = v[T]²/r

a[C] = (0.89 x 0.89)/2.8

a[C] = 0.283 m/s²

Therefore, the centripetal acceleration of the child sitting on a merry-go-round 2.8 m from the center will be 0.283 m/s².

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Of the statements given about the image formed by a single converging lens, only D is true.

The image formed by a converging lens is always inverted, meaning that if the object being viewed is right-side up, the image will be upside down.

This is a result of the way light rays are refracted as they pass through the lens.

Statements A, B, and C are all false. The orientation of the image depends on the location of the object relative to the lens, and whether the image is real or virtual depends on the location of the lens and the object.

Real images are formed when light rays actually converge at a point, while virtual images are formed when light rays appear to converge at a point.

The properties of the image formed by a converging lens can be determined using the thin lens equation and the magnification equation.

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True. Feeling guilty over choices made about how to spend time is often a sign that a person's life is out of balance.

Feeling guilty over choices made about how to spend time can be a symptom of a life out of balance, but it can also be a natural response to the responsibilities and obligations that come with daily life. It is important to prioritize and balance different aspects of one's life, such as work, family, personal time, and hobbies, to achieve a healthy and fulfilling lifestyle. However, feelings of guilt or regret over past choices should not be the sole indicator of whether one's life is in balance or not, as everyone's circumstances and priorities are unique.

It may indicate that they are not prioritizing their time effectively or that they are taking on too many responsibilities. In a balanced life, a person should feel confident in their choices and not be plagued by feelings of guilt or regret.

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Answer:

The number of freely moving neutrons decreases over time.

Explanation:

During a fission reaction, the total number of protons remains the same. In other words, the charge is conserved. It is the neutron number that decreases during a fission reaction.

Therefore, 'The number of freely moving neutrons decreases over time' is the correct answer.

Answer:

As an object moves faster, its mass increases. ... Because masses approach infinity with increasing speed, it is impossible to accelerate a material object to (or past) the speed of light. To do so would require an infinite force.

Answer:

For the first one its about 25 feet

Explanation:

Answer:

1~6ft.

2~ 10

3~ Echo

4~ A photo shoot

5~ talk

6~ nose

7~tent

8~popcorn

Explanation:

               </3 PureBeauty

Answer:

the green ball has 4J more energy

Explanation:

The kinetic energy is given by the formula

K = 0.5 m v^2

the kinetic energy of the red ball:

K(red) = 0.5*10*3^2= 45J

of the green ball:

K(green)=0.5*8*3.5^2 = 49J

therefore the green ball has more energy by 4 Joules

Hey dude, it's your boy Mr. Mamiza, the comedian with all the science facts. Today we're gonna talk about converting chemical shifts from delta units to hertz downfield from TMS.

Here's the deal: we got these NMR absorptions, and they're measured in delta units, but we want to convert them to hertz.

So, to do that, we got to use some math. We take the delta value and multiply it by the spectrometer frequency, which is given as 300 MHz.

Let me give you some examples:

For (a) 2.1 δ, we multiply 2.1 by 300, which gives us 630 Hz downfield from TMS.

For (b) 3.45 δ, we multiply 3.45 by 300, which gives us 1035 Hz downfield from TMS.

For (c) 6.30 δ, we multiply 6.30 by 300, which gives us 1890 Hz downfield from TMS.

And for (d) 7.70 δ, we multiply 7.70 by 300, which gives us 2310 Hz downfield from TMS.

And that's it, yo! It's just some simple math, and now you know how to convert those delta units to hertz downfield from TMS. Keep it science-y, and I'll catch you on the flip side!

Answer:

Explanation:

The acceleration of an object given it's velocity and time taken can be found by using the formula

\(a = \frac{v}{t} \\ \)

where

v is the velocity

t is the time

We have

\(a = \frac{30}{5} \\ \)

We have the final answer as

Hope this helps you

Answer: B. Evolution

Explanation:

As species grow older over time they will gradually evolve through natural selection and evolution.

The gradual change in a species over time is known as evolution (b).

The process of evolution occurs through several mechanisms, including mutation, migration, and natural selection.

Mutation (a) is the spontaneous change in the genetic material of an organism. These changes can result in new traits that may be advantageous, disadvantageous, or neutral for survival. When mutations occur, they can introduce genetic variation within a population, which serves as the raw material for evolution.

Natural selection is a crucial factor driving evolution. Individuals with advantageous traits that better suit their environment are more likely to survive and reproduce, passing on these advantageous traits to their offspring. Over generations, the frequency of beneficial traits increases in the population, leading to the adaptation and evolution of the species.

Variation (d) encompasses the differences in physical traits and genetic makeup among individuals within a population. This variation is essential for evolution to occur since it provides the raw material for natural selection to act upon.

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Answer:

vector of zero magnitude

Explanation:

The displacement is a vector magnitude, therefore, in addition to being a module, it has direction and sense.

In this case it moved 350 m and then returned the same 350 m, so the total displacement is zero.

If we draw the vector, one has a directional direction to the right and the other direction to the left, therefore when adding the two vectors gives a vector of zero magnitude

Answer:

this the way that hydraulic pump works:

The system of hydraulic jack lifts the heavy objects by transferring the oil from one chamber to another.

Through the suction valves into the two cylinders which creates pressure distributing the fluid equally to the points causing the objects to lift up.

hope these points helped u

any confusion then comment it

Answer:

Velocity = distance / time

V = 10/1

V = 10km/h

Answer:10km/h or 2.77m/s.

Explanation:

Distance =10km

Time =1h

Velocity =10/1 =10km/h

Or,

Distance =10km =10000m

Time =1h =60min = 3600s

Velocity =10000/3600 =2.77m/s

Physics, Engineering, and Industrial Research, Earth and Space Sciences, and Mathematics are the different areas that can be pursued in the Philippines. Bachelor's, Master's, and Ph.D. degrees are available in these fields.

Engineering is a regulated profession in the Philippines that requires licensure examination for professionals to work in the industry. In contrast, Mathematics and Physics have no licensing requirements.

Employment opportunities vary according to field and degree, with engineers, mathematicians, and physicists being in high demand in research and development, manufacturing, and construction.

RA 9184 is the Philippine government's procurement act that aims to provide clear guidelines and procedures for procurement activities in the public sector. It defines the roles and responsibilities of procurement personnel, specifies the procurement process and requirements, and establishes the accountability mechanisms for public procurement.

In conclusion, obtaining a degree in Physics, Engineering, and Industrial Research, Earth and Space Sciences, or Mathematics can lead to various employment opportunities.

While Engineering is a regulated profession in the Philippines, Mathematics and Physics do not require licensure exams. Additionally, the government has set specific guidelines for procurement activities in the public sector through RA 9184.

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Flow rate is the volume of fluid that passes through a given area per unit time.

The calculation of flow rate depends on the type of fluid, the flow conditions, and the measurement units used.

Here are some common methods for calculating flow rates:

Volumetric flow rate: This is the volume of fluid that passes through a given point per unit time. It is usually measured in liters per second (L/s) or cubic meters per hour (m³/h).

The formula for calculating volumetric flow rate is:

Volumetric flow rate = (Area of flow) x (Velocity of fluid)

Mass flow rate: This is the mass of fluid that passes through a given point per unit time. It is usually measured in kilograms per second (kg/s) or pounds per hour (lb/h).

The formula for calculating mass flow rate is:

Mass flow rate = (Density of fluid) x (Volumetric flow rate)

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Answer:

The weight of huifen is equal to 529.2 N.

Explanation:

Given that,

Mass of huifen = 54 kg

We need to find the weight of huifen. We know that, the weight of an object is given by :

W = mg

Where

g is acceleration due to gravity

Put all the values,

W = 54 × 9.8

W = 529.2 N

So, the weight of huifen is equal to 529.2 N.

Answer:

If you want the true weight of someone, you need to multiply mass by gravity which is 54*9.81 giving the calculation in Newtons and this would equal 529.74N

Explanation: