The group of membranes that extend out from the nucleus throughout the cytoplasm allowing for structural support and efficient movement of materials within the cell is the

Given:

The mass on the table is,

The hanging mass is,

THe coefficient of friction is,

let the acceleration of the whole system is a (for the hanging mass it is downward and for the mass on the table it is rightward). the tension towards The fixed point of the pulley is T.

we can write,

Adding these equations we get,

Substituting the values we get,

Hence the acceleration is 6.66 m/s^2.

Answer:

In physics and chemistry, the law of conservation of energy states that the total energy of an isolated system remains constant; it is said to be conserved over time. ... For instance, chemical energy is converted to kinetic energy when a stick of dynamite explodes.

Explanation:

The acceleration of an object is directly proportional to the net force acting on the object and inversely proportional to its mass. That is, the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.

The acceleration of an object decreases as its mass increases since a larger force is required to produce a given acceleration of a more massive object. On the other hand, if a smaller force is used, the acceleration will be slower. This concept is mathematically represented by Newton's second law of motion: F = ma where F is the net force applied to an object, m is its mass, and a is the acceleration it experiences.

So, The acceleration of an object is directly proportional to the net force acting on the object and inversely proportional to its mass.

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The primary force that causes the vocal folds to vibrate is the airflow from the lungs. The energy for this vibration is supplied by the air pressure created when we exhale. Here's a step-by-step explanation:

1. When we exhale, air pressure builds up below the closed vocal folds.
2. This air pressure pushes the vocal folds apart, allowing the air to pass through.
3. As the air passes, the vocal folds are drawn back together due to their elasticity and the Bernoulli effect (a principle in fluid dynamics).
4. This cycle of opening and closing repeats rapidly, causing the vocal folds to vibrate and produce sound.

So, the airflow from the lungs is the primary force causing the vocal folds to vibrate, and the energy is supplied by the air pressure created during exhalation.

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Given data:

* The mass on the frictionless table is,

* The mass hangs freely from the string is,

* The hanging mass falls a distance is,

Solution:

(1). The normal force of mass on the frictionless table is,

As the displacement of the mass m_1 on the frictionless table is in the hroizontal direction.

Thus, the work done by teh normal force is,

As both the normal force and displacement are perpendicuular to each other.

Thus, the work done by the nromal force on the mass m_1 is,

Thus, the work done by the normal force on m_1 is zero.

The pattern of isolines of potential for the gravitational field of the sun-mercury system is identical to the pattern of equipotential lines for a system of two electrically charged objects with opposite charges.

This is because both gravitational and electrical forces follow the inverse square law, where the force decreases as the distance between the objects increases.

In the case of opposite charges, the lines of equal potential connect the positive and negative charges, while in the case of the sun-mercury system, the lines connect the regions of space with equal gravitational potential energy.

Both systems display a similar pattern of concentric circles around the objects, with the lines becoming closer together as the objects become more massive or charged.

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Answer:

Because both monomers and polymers and cross linked polymers are mers with physically properties which is good for applycations

Explanation:

because they are good for using and not using

also, this is a 5 point question, you are not  fooling anyone. thx for 5 points tho

Answer:

The respiratory system is responsible for bringing the oxygen an organism will need to conduct cellular respiration. The respiratory system includes the lungs and other organs involved in breathing, such as:

When we inhale, oxygen from the air enters the lungs and diffuses into the bloodstream, where it is transported to the body's cells. Inside the cells, oxygen is used in the process of cellular respiration to produce energy in the form of ATP.

Hope that helps! Good luck! :)

Given three identical metallic spherical objects have individual charges of, q1 = -9.612 nC,

q2 = +3.204 nC,

and q3 = +6.408 nC.

If the three objects are brought into contact with each other at the same time and then separated, the final net charge on q1, q2, and q3 will be calculated as follows;

Initial total charge, Q = q1 + q2 + q3

Q= -9.612 nC + 3.204 nC + 6.408 nC

Q= -0.002 nC

The final net charge on q1, q2, and q3 is same as they are identical:

q1 + q2 + q3 = -0.002 nC

q1 = q2 = q3 = -0.002 nC/3

q1 = -0.0006667 nC

Therefore, the final net charge on q1, q2, and q3 is -0.0006667 nC.The charge on q1 before and after is -9.612 nC and -0.0006667 nC respectively. The difference is the number of electrons that were removed from/added to q1. The number of electrons can be calculated as follows;

Charge on an electron,

e = 1.6 ×\(10^{-19\) C

Total number of electrons removed from

q1 = [(final charge on q1) - (initial charge on q1)] / e

q1 = [-0.0006667 - (-9.612)] / 1.6 × \(10^{-19\)

q1 = 6.0075 × 1013

The number of electrons removed from q1 is 6.0075 × 1013, and electrons were removed from q1. Thus, option d is,

"The number of electrons that were removed from q1 = 6.0075 × 1013 electrons were removed from q1."

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The property of a transverse wave that stays the same even as the wave's energy and other properties change is the wavelength.

The correct option to the given question is option a.

The wavelength is the distance between two successive points of the wave that are in phase. As the wave's energy and amplitude change, the distance between two successive points of the wave that are in phase remains the same.

This is because wavelength is determined by the frequency of the wave and the speed of propagation. The frequency of the wave is the number of cycles of the wave that occur in one second, while the speed of propagation is the rate at which the wave travels through a medium.

If the frequency of the wave and the speed of propagation remain the same, then the wavelength will also remain the same even as the wave's energy and other properties change. This property is known as the characteristic of the wave.The amplitude is the maximum displacement of a point on the wave from its rest position. The frequency is the number of cycles of the wave that occur in one second. The rest position is the position of the medium when it is not disturbed.

Hence, wavelength of a transverse wave remains same even as the wave's energy and other properties change.

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The Balmer series is a set of emission spectral lines of the hydrogen atom that results from electron transitions from the n = 3 state to the n = 2 state.

The wavelengths of the first five lines of the Balmer series can be calculated using the Rydberg formula.

The formula can be written as:

1/λ = R(1/4 − 1/n²)

where,

R is the Rydberg constant,

n is the principal quantum number of the higher energy level,

λ is the wavelength of the emitted photon.

The first five lines of the Balmer series have n values of 3, 4, 5, 6, and 7.

Plugging these values into the Rydberg formula gives the following wavelengths:

Line 1 (n = 3 → 2): λ = 656.3 nm

Line 2 (n = 4 → 2): λ = 486.1 nm

Line 3 (n = 5 → 2): λ = 434.0 nm

Line 4 (n = 6 → 2): λ = 410.2 nm

Line 5 (n = 7 → 2): λ = 397.0 nm

The wavelengths of the first five lines of the Balmer series are in the visible part of the electromagnetic spectrum.

The wavelengths range from 656.3 nm (red) to 397.0 nm (violet).

Therefore, the first five lines of the Balmer series are part of the visible spectrum.

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Answer:

E-Community

Explanation:

edge 2021

Answer:

The answer would be option E- community

Explanation:

Hope this helped :)

edg 2022

Answer:

How much an object has moved

Answer:

6.5 m/s

Explanation:

Horizontally the ball does not experience an acceleration

Therefore the velocity won't change

6.5 m/s

Answer:

W = 66 J

Explanation:

Given that,

The weight of the box, W = 44 N

It is placed on a shelf that is 1.5 m above the ground.

We need to find the work done in lifting the box.

We know that,

Work done, W = Fd

So,

W = 44 N × 1.5 m

= 66 J

So, the required work done is equal to 66 J.

Please find attached photograph for your answer.

Hope it helps.

Do comment if you have any query.

Answer:

It is d

Explanation:

Answer:

D !!!!!

Explanation:

Answer:

(TRUE) Mars seems to pass the fastest, Jupiter next, and Saturn the slowest. But all exhibit that puzzling quirk--near the point of their celestial course precisely opposite the Sun ("opposition"), their action amongst the stars briefly turns around.

Explanation:

Mars: 24.077 km/s (53,853 miles per

hour), or a period of about 686.93 days.

Answer:is true

Explanation:

Answer:

i) Power = Force * Velocity = 1100 * 15 = 16500 W = 16.5 kW(ii)  Find the value of k first: F = 400 + k(15^2)                                              k = 28/9    F = 400 +(28/9)(30^2) = 320

Explanation:

Answer:

4200 Newtons

Explanation:

Force = mass x acceleration

1200 x 3.5 = 4200

Answer:

Hold the pistol high mostly on grip to ensure that such recoil is sent straight back to the arm and hands. This enables more accurate shooting and better repeat shots. When two hands are available, use them.

Simply said, recoil is the gun's response to the expression of energy that is produced in the barrel and released from the muzzle. The hammer, which is located inside the gun's receiver, depresses your firing pin only when trigger is squeezed with enough force and pop the fuse on the round's end.

The recoil is a backward motion that typically results from a force or contact. A gun will recoil when it moves rearward due to momentum. Mom might retreat from shock rather than momentum after hearing about your go to the shooting range.

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Explanation:

W = F * d      <====   ( Force * distance)

     500 N  * .7 m = 350 J

Answer:

0.4m/s

Explanation:

It is given speed so it is scalar.

distance covered in 1 round = 180m

therefore, distance covered in 4 rounds = 180*4 = 720m

time = 30 mins = 30*60 = 1800 seconds

average speed = total distance/total time taken

= 720/1800

= 0.4m/s

Answer:

Mercury

Venus

Earth

Mars

Jupiter

Saturn

Uranus

Neptune

Answer:

Solar system planets: Order of the 8 planets:-

Answer:

80 amperes

Explanation:

Current = Voltage/Resistance

160/2 = 80

The operating frequency is approximately 59.49 Hz, and the capacitance of a capacitor with the same reactance at that frequency is approximately 2.696 µF.


To find the operating frequency, we can use the formula for inductive reactance: XL = 2πfL, where XL is the reactance, f is the frequency, and L is the inductance.

Rearrange the formula to solve for frequency: f = XL / (2πL).
Using the given values, f = (1.30 * 10^3) / (2π * 45.0 * 10^-3) ≈ 59.49 Hz.

For part b, we use the formula for capacitive reactance: XC = 1 / (2πfC), where XC is the reactance, f is the frequency, and C is the capacitance.

Rearrange the formula to solve for capacitance: C = 1 / (2πfXC).
Using the calculated frequency and given reactance, C = 1 / (2π * 59.49 * 1.30 * 10^3) ≈ 2.696 * 10^-6 F, or approximately 2.696 µF.

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Answer:

Explanation:

freely falling object

part 1

mass = ρ x V

mass = 1739 kg/m³ x 3.8 km³ = 6608.2 kg

PE (potential energy)= mgh

PE = 6608.2 kg x 9.81 x 403

PE = 2.61 x 10⁷ J

part 2

megaton of TNT (Mt) =4.2 x 10¹⁵ J

convert PE to Mt:

2.61 x 10⁷ J : 4.2 x 10¹⁵ J = 6.21 x 10⁻⁹ Mt

The velocity after 2 seconds is 26 m/s. It takes 11.50 seconds to reach a velocity of 40m/s.

Given the equation s(t) = 6t + 5t²

Let's find the velocity after 2 seconds.

(a) Velocity = (ds)/(dt)

Differentiating s(t) with respect to t, we get; ds(t) / dt = 6 + 10t

At t = 2,ds(t) / dt = 6 + 10t = 6 + 10(2) = 26m/s

Therefore, the velocity after 2 seconds is 26 m/s.

(b) We are to find how long it takes for the velocity to reach 40m/s. We know that the initial velocity of the ball, u = 6m/s. Acceleration = gsinθ = 9.81 x sin (angle of inclination) = 9.81 x 0.3 = 2.943 m/s²From the first equation of motion, v = u + at

We know v = 40m/s, u = 6m/s, a = 2.943m/s² and t is what we are to find, hence the equation becomes;40 = 6 + 2.943(t)t = (40 - 6) / 2.943t = 11.50s

Therefore, it takes 11.50 seconds to reach a velocity of 40m/s.

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