locate the center of mass (x, y, z) of the homogeneous block assembly.

All of the above given statements are true.

A membrane controls the flow of chemicals between two environments as a selectively permeable barrier. The cell membrane is the most well-known biological membrane.

a. The amount of membrane fluidity varies based on the membrane's make-up. This is because the fluidity of the membrane can be impacted by the lipid composition, particularly the length of fatty acid chains and degree of unsaturation of phospholipids.

b. Phospholipids can travel around the membrane's lateral space quite freely. This is so that individual phospholipids can migrate laterally inside the membrane's lipid bilayer structure.

c. Unanchored proteins can essentially travel wherever they choose in the membrane's lateral space. This is due to the ability of proteins to diffuse laterally within the lipid bilayer, independent of the cytoskeleton or other proteins in the membrane.

These conclusions accurately characterize the degree of fluidity within the membrane and how the ratio of lipids to proteins affects it.

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99.16 Newtons is the new force of attraction between the particles.

The forces that hold atoms together to create molecules and solids are referred to as chemical bonds. The attraction between the electrons of one atom and the nuclei of another atom as a result of this electric force is what is known as a chemical bond.

\(F = (kq1q2)/r^2\)

\(9,916 = (kq1q2)/r^2\)

\(F = (k*(q1/5)*(q2/5))/(2r)^2\)

\(F = (1/100)((kq1*q2)/(r^2))\)

So, the new force of attraction is:

\(F = (1/100)*9,916 = 99.16\)Newtons (rounded to 4 decimal places)

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Answer:

The speed of the riders on the Singapore Flyer is approximately 0.262 m/s

Explanation:

The dimensions of the tallest Ferris wheel in the world are;

The diameter of the Ferris wheel, D = 150 m

The tine it takes the Ferris wheel to make a full circle, T = 30 minutes = 30 min × 60 s/min = 1,800 seconds

The angular velocity of the Ferris wheel, ω = 2·π/T

The linear velocity of the Ferris wheel, v = r·ω = The speed of the riders

Where;

r = The radius of the Ferris wheel = D/2

D = 150 m

∴ r = 150 m/2 = 75 m

∴ v = r·2·π/T

∴ v = 75 m × 2 × π/(1,800 s) ≈ 0.262 m/s

The speed of the riders on the Singapore Flyer, v ≈ 0.262 m/s

Answer:

kya faltu sawal h repetitive g=10N/kg

A goldfish swims in a bowl of water at 20°C over a period of time, fish transfer 120j to the water as a result of its metabolism, the change in entropy of the water is 0.409 J/K.

In other words, the increase in disorganization within a system is what is referred to as entropy, which is defined as the measurement of degree of randomness. Entropy is a unitary measure of the amount of thermal energy in a system that cannot be used to carry out useful work. The quantity of entropy is also a gauge of a system's molecular disorder, or randomness, as work is produced by ordered molecular motion.

change in entropy = dQ / T

change in entropy = 120 / (273 + 20 ) = 0.409 J/K.

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Answer:

16.0Kg

Explanation:

Answer:

Absorption and reflection is correct

Explanation:

Answer:

absorption

Explanation:

a good example of this is black tar that's been sitting in the sun for hours, over time it gets more and more hot until it starts burning your feet it's mostly because it absorbs the light and heat from the sun and doesnt release it. hope my example helped :)

Another good example of light getting absorbed from the sun is solar pannels :D

Answer:

transmission

Explanation:

Answer:

the correct answer is B) 27.

Explanation:

To find the angle of refraction, you can use the formula:

n1 * sin(angle of incidence) = n2 * sin(angle of refraction)

where n1 and n2 are the refractive indices of the two media (in this case, air and the liquid), and the angles are measured from the normal to the surface.

Plugging in the values from the problem, we have:

1 * sin(40) = 1.5 * sin(angle of refraction)

Solving for the angle of refraction, we get:

angle of refraction = sin^-1(1/1.5 * sin(40))

Using a calculator or a table of trigonometric functions, we can find that the value of sin^-1(1/1.5 * sin(40)) is approximately 27.3 degrees.

Therefore, the correct answer is B) 27.

1. Frequency

2. Reflected

3. Absorbed

4. Black

Answer:

d = 6 km

Explanation:

In this case we have the relative speed of the boot changes, suppose that the boat and the river have the same direction when the boat goes from A to point B

       vbr = vrt + vbt

        vbr = 2 + 4

        vbr = 6 km / h

        v₁ = 6 km / h

velocity is constant

         v₁ = d / t₁

         t₁ = d / v₁

when the boat returns to the starting point the speed is both opposite

        vbr = vbt - vrt

        vbr = 4-2

        vbr = 2 km / h

        v₂ = 2 km / h

as the speed is constant

         t₂ = d / v₂

they also indicate that the total time is 4 h

       t₁ + t₂ = 4

we substitute

       4 = d / v₁ + d / v₂

       4 = d (1 / v₁ + 1 / v₂)

       d = 4 / (1 / v₁ + 1 / v₂)

let's calculate

       d = 4 / (1/6 + 1/2)

       d = 4 / 0.6666 67

       d = 6 km

Answer:

Sorry for this question

Answer:

A-B: positive

B-C: zero

C-D: negative

Explanation:

In a velocity-time graph, acceleration is shown by the slope or steepness of the graph. A positive acceleration means that the line of the slope is upward, while a negative acceleration means that the line of the slope is downwards.

A horizontal line shows that the acceleration is 0, which means that the object is stationary.

The nucleus n,mX is 17,8X. Based on the atomic number (m = 8), the element is oxygen. Therefore, the nucleus is 17,8O (oxygen-17). The nuclear reaction is 14,7N + 4,2He = 17,8O + 1,1H.

In the given nuclear reaction:
14,7N (nitrogen-14) + 4,2He (helium-4) = n,mX + 1,1H (hydrogen-1)

First, let's analyze the conservation of mass and atomic numbers in the nuclear reaction. To do this, we add the mass numbers (the top numbers) and the atomic numbers (the bottom numbers) on each side of the equation.

Mass numbers:
14 (N) + 4 (He) = n (X) + 1 (H)
18 = n + 1

Atomic numbers:
7 (N) + 2 (He) = m (X) + 1 (H)
9 = m + 1

Now, we can solve for n and m:
n = 18 - 1 = 17
m = 9 - 1 = 8

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When a star is moving away from us, the light it emits is subject to a phenomenon called redshift. This causes the red line of the spectrum, which is normally at a wavelength of 656 nm, to shift to a longer wavelength.

To determine the exact wavelength of the red line for the star, you would need additional information, such as the star's velocity relative to Earth. However, you can expect the red line to appear at a wavelength longer than 656 nm due to the star's motion away from us. The wavelength of a wave describes how long the wave is. The distance from the "crest" (top) of one wave to the crest of the next wave is the wavelength. Alternately, we can measure from the "trough" (bottom) of one wave to the trough of the next wave and get the same value for the wavelength.

So, the proces in which a star is moving away from us, the light it emits is subject to a phenomenon called redshift.

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      Maybe this graph can help?

Answer:

When several resistors are connected in series, the total resistance equals the sum of the individual resistors. In series combination, the current is same through each resistor.

1)   V=  60 volt

Total resistance R = R₁ + R₂

                              = 20 + 10

                              = 30 Ω

2) Ohms law states that,

           \(\sf I =\dfrac{V}{R}\\\\\\I = \dfrac{60}{30}\\\\I = 2 \ A\)

3) Voltage around 10 Ω resistor,

          V₂ = I R₂

             = 2 * 10

              = 20 volt

___________________________________________________

4) Total current = 1 A

5) Total voltage = 8 volt

6) Voltage around R₁ is V₁

              R₁ = 2 Ω  ; I = 1 A

              V₁ = IR₁

                   = 1 * 2

                   = 2 volt

7) Resistance 2:

        Total resistance = R

        Total voltage = V = 8 volt

        Total current = I = 1 A

                  \(\sf R = \dfrac{V}{I}\\\\\\ R = \dfrac{8}{1}\\\\\)

                  R = 8 Ω

               R₁ + R₂ = 8 Ω

                2 + R₂ = 8

                      R₂  = 8 - 2

                      R₂ = 6 Ω

8)Voltage around R₂:

                  \(\sf V_2 = IR_2\\\\V_2 = 1*6\\\\\)

                  V₂ = 6 volt

9) Total R = 8 Ω

_________________________________________________

10) Total V = 12 volt

11)  Total R = 8 + 8

                 = 16 Ω

12) Total current I,

                \(\sf I = \dfrac{V}{R}\\\\I = \dfrac{12}{16}\\\\I = 0.75 \ A\)

13) Voltage at each resistor:

           V₁ = I*R₁

               = 0.75 * 8

               = 6 volt

         V₂ = I*R₂

              = 0.75 * 8

             = 6 volt

_______________________________________________________

     14) Total R =   40 + 20

                       = 60 Ω  

15) To find V₁, first find total voltage.

           I = 2 A ;  R = 60 Ω  

           V = IR    

              = 2 * 60

               = 120 V

        V₁ + V₂  =V

        V₁ + 80 = 120

                V₁ = 120 - 80

                 V₁ = 40 volt              

the impulse J imparted to sphere B by sphere C is:

J = mB*Δv

J = mB*[VBo - (mBVBi + 2mCVCi - mCVCo) / (mB + mC)]

To find the impulse J imparted to sphere B by sphere C, we need to know the change in momentum of sphere B due to the collision with sphere C. The impulse J is defined as:

J = Δp = mΔv

where Δp is the change in momentum, m is the mass of sphere B, and Δv is the change in velocity of sphere B.

Since we know that the collision is elastic, we can use the conservation of momentum and energy principles:

\(mBVBi + mCVCi = mBVBo + mCVCo (1) --\)conservation of momentum

\(1/2mBVBi^2 + 1/2mCVCi^2 = 1/2mBVBo^2 + 1/2mCVCo^2 (2) --\)conservation of energy

where VB and VC are the velocities of sphere B and C before and after the collision, respectively, and the subscripts "i" and "o" refer to the initial and final states.

Solving equations (1) and (2) simultaneously for VB and VC, we get:

\(VB = (mBVBi + 2mCVCi - mCVCo) / (mB + mC) --\)final velocity of sphere B

\(VC = (mCVCo + 2mBVBi - mBVBo) / (mB + mC) --\)final velocity of sphere C

Therefore, the change in velocity of sphere B is:

\(Δv = VBo - VB\)

\(Δv = VBo - [(mBVBi + 2mCVCi - mCVCo) / (mB + mC)]\)

And the impulse J imparted to sphere B by sphere C is:

\(J = mB*Δv\)

\(J = mB*[VBo - (mBVBi + 2mCVCi - mCVCo) / (mB + mC)]\)

This is the magnitude of the impulse J imparted to sphere B by sphere C.

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The possible energy of the emitted photons of the hydrogen atom in first energy level is -3.41 eV.

Hydrogen atom will emit electrons of certain energy when the hydrogen atom is in excited state.

Let a dot represent first energy level, the possible energy of the emitted photons is calculated as follows;

\(E = \frac{R_h}{n^2} \\\\E = \frac{-2.18 \times 10^{-18}}{(2)^2} \\\\E = - 5.45 \times 10^{-19} \ J\)

\(E = \frac{-5.45 \times 10^{-19}}{1.6 \times 10^{-19}} \\\\E = -3.41 \ eV\)

Thus, the possible energy of the emitted photons of the hydrogen atom in first energy level is -3.41 eV.

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A liquids resistance to flow is called Viscosity

A phase change from the liquid phase to the vapour phase is called vaporisation (or vaporisation) of an element or molecule. Both evaporation and boiling result in vaporisation. Boiling is a bulk phenomenon, whereas evaporation is a surface phenomenon.

vaporisation is the process by which a material is transformed from its liquid or solid state into its gaseous (vapour) state. Boiling is the term for the vaporisation process when circumstances permit the creation of vapour bubbles within a liquid.

Evaporation is a typical process that takes place when a liquid transforms into a gas while raising the temperature or pressure. Boiling is an unnatural process in which the liquid is continuously heated to a point where it vaporises.

The transformation of a liquid into a gas is known as vaporisation.

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Answer: 28.71 km

Explanation:

For the convex mirror (ocean):

Radius of curvature = 6.4*10^3 km

Focal length (f) = R/2 = 3.2*10^3 km

Object distance (u) = -3.84*10^5

Mirror formula: \(\frac{1}{u} + \frac{1}{v} = \frac{1}{f}\)

\(\frac{1}{u} + \frac{1}{v} = \frac{1}{f}\)

\(\frac{-1}{3.84*10^5} + \frac{1}{v} = \frac{1}{3.2*10^3}\)

v = 3173.55km

Magnification, \(m = \frac{-v}{u} = \frac{-3173.55}{-3.84*10^5} = \frac{h_{i} }{h_{o} }\)

So, height of image/height of object = 3173.55/3.84*10^5

Diameter of image = 3173.55/3.84*10^5 * 3475

Diameter of image = 28.71 km

Therefore, the diameter of the image is 28.71 km

Answer:

Adiabatic

Explanation:

Adiabatic is defined as a process in which no heat transfer takes place.

Answer:

drug misuse

Explanation:

this is because the person is using those drugs but indiscriminately meaning without correct judgement or in this context without a prescription therefore without following guidelines and legal standards eg self medication

but it is not abuse because it is being used for its intended purpose just without any guidelines

Density can be found when mass and volume is known. The density of 5 liter of water is 1000kg/m³.

The density ρ of any substance is the ratio of mass m and its volume V.

ρ = m/V

Given is the mass of water as 5 kg and the volume is 5 liter.

as, 1 L = 10−³m³

So, 5 L = 5×10−³m³

Then, density would be

ρ = 5kg / 5×10−³m³

ρ = 1000 kg/m³

Thus, the density of 5l of water is 1000kg/m³.

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Answer

Clinometers measure both inclines and declines using three different units of measure: degrees, percentage points, and topo . Astrolabe is example of an inclinometer that was used for celestial navigation and location of astronomical objects from ancient times to the Renaissance.

Mexico was able to gain its independence from Spain when the Criollos (Mexican-born Spaniards) switched sides to the cause of independence.

The Criollos, who were previously loyal to the Spanish crown, became disillusioned with Spanish rule and were influenced by the ideals of the American and French revolutions. They recognized the need for political and economic autonomy, leading them to support the Mexican independence movement. Their defection significantly bolstered the strength and legitimacy of the movement, providing crucial leadership, resources, and military support. The Criollos played a vital role in organizing and leading the struggle for independence, ultimately leading to Mexico's successful break from Spanish colonial rule in 1821.

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