when working with frequency distribution, the interval median is the value in the middle of the interval and can be found by taking the average of the endpoints for the interval.

Based on the graph;

The work done by friction as the block travels from x =-0.04 to x = −0.02 m is 0.01 J.

The force exerted on the block by the spring at x = −0.02 m is 1 N.

The stiffness of a spring is indicated by the spring constant, k. For various springs and materials, it varies. The stiffer the spring is and the harder it is to stretch, the larger the spring constant. The spring constant is a measure of the spring's stiffness.

The force exerted by a spring of spring constant, k is given below as follows:

F = - kx.

where;

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Answer:

i don't know this answer

The planet with the biggest moon relative to its own size is Neptune.

The moons of Neptune are the smallest of the gas giants' moons but Triton, the largest moon of Neptune is the seventh-largest moon in the Solar System relative to its planet.

Neptune has 14 known moons, all of which are named after sea gods and nymphs from Greek mythology.

Triton, the largest of Neptune's moons, is notable because it was most likely a Kuiper Belt object that was captured by the planet's gravity.

It is also one of the few moons in the solar system that orbits its planet in a direction opposite to the planet's rotation.

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Answer:

i guss its A

Explanation:

Answer:

40.90 mph if I did the math right

MOSFETs are generally preferred for high-power applications.

Since, We know that,

MOSFETs have a very high input impedance, which makes them more efficient for high-power applications than BJTs or JFETs.

Additionally, MOSFETs have a very low on-state resistance, which means that they can operate at high frequencies without generating a lot of heat.

Hence, This makes them ideal for applications requiring high power and high efficiency, such as power amplifiers, motor control circuits, and switching regulators.

Thus, MOSFETs are generally preferred for high-power applications.

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Answer:

1/2 atm

Explanation:

Givens

The temperature remains constant so the formula is

P = 1 atm

V = 75 L

P1 = ?

V1 = 75 * 2 = 150 L

Formula

P*V = P1* V1

Solution

1 * 75 = P1 * 150      Divide by 150

75/150 = P1

P1 = 1/2 atmospheres

To calculate the increase in system thermal energy for a 3 kg wooden block sliding 5m down a wooden incline at constant velocity, follow these steps:

1. Determine the angle of the incline:

Unfortunately, the angle of the incline is not provided in the question. Let's assume the angle is θ.

2. Calculate the gravitational force acting on the block:

The gravitational force (Fg) can be calculated using the formula

Fg = m * g,

where

m is the mass of the block (3 kg) and

g is the acceleration due to gravity (9.8 m/s²).

So, Fg = 3 kg * 9.8 m/s²

           = 29.4 N.

3. Calculate the component of the gravitational force acting parallel to the incline:

The parallel component of the gravitational force (F_parallel) can be calculated using the formula F_parallel = Fg * sin(θ).

4. Determine the work done by the parallel component of the gravitational force:

The work done (W) can be calculated using the formula

W = F_parallel * d,

where

d is the distance the block slides down the incline (5m).

5. Calculate the increase in system thermal energy:

Since the block is sliding at constant velocity, the work done by the parallel component of the gravitational force is equal to the increase in system thermal energy. So, ΔE_thermal = W.

To find the exact value for the increase in system thermal energy, the angle of the incline (θ) is needed.

However, based on the information provided and the steps outlined above, you can calculate the increase in system thermal energy once the angle is known.

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Answer:

Lifting overcomes the pull of gravity. Heavier objects need to have a strong force to lift them. Try lifting a bag of cement and see if it's easy or hard.

Explanation:

I'm thinking C. but this time I'm not that sure

The centripetal force exerted on the car, given it has a mass of 1500 Kg and is moving with a velocity of 40 m/s is 200000 N

Centripetal force is defined according to the following equation:

F = mv²/r

With the above formula, we can obtain the centripetal force as follow:

The centripetal force exerted on the car can be obatined as illustrated below:

F = mv²/r

F = (1500 × 40²) / 12

F = (1500 × 1600) / 12

F = 2400000 / 12

F = 200000 N

Thus, the centripetal force exerted is 200000 N

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The total impulse received by the body is approximately 42.43 Ns.

Impulse is a measure of the change in momentum of an object resulting from a force acting upon it for a period of time. It is defined as the product of the force and the time interval over which it acts, and is represented by the symbol "J".

To find the total impulse received by the body, we need to use vector addition to add the two impulses together. Since the impulses are at an angle of 55 degrees to each other, we can use the law of cosines to find the magnitude of the resultant impulse:

I² = 24² + 35² - 2(24)(35)cos(55)

I² = 576 + 1225 - 1680cos(55)

I² = 1801.9

I ≈ 42.43 Ns

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The negation of P → Q, "P implies q" denotes the idea that if p is true, q must follow the lead. The premise of the implication is stated in statement pi, while the conclusion is stated in statement q.

Negation:

In order to judge whether a proposition is true or untrue and to represent ideas like nonexistence, logical systems require the use of negation, which is the fundamental component of human language. In mathematics, the negation of a statement is another statement that has the opposite truth value to that statement. In other words, the negative of a true statement is a false statement, and the negation of a false statement is a true statement.

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Answer:

The angle will be 0 . The angle between the incident ray and the mirror is called angle of incidence while the angle between reflected ray and the normal is called angle of reflection. Here, the a ray of light is incident normally on a plane mirror.

Explanation:

Answer:

(a) 0.081 A (b) 1358.02 ohms

Explanation:

Voltage, V = 110 volt

Power of a LED bulb, P = 9 Watt

(a) Let the current is I. The formula for ower in terms of voltage and power is given by :

P = VI

\(I=\dfrac{P}{V}\\\\I=\dfrac{9}{110}\\\\=0.081\ A\)

(b) Let R is the resistance of the bulb. Using Ohm's law as follows :

V = IR

\(R=\dfrac{V}{I}\\\\R=\dfrac{110}{0.081}\\\\=1358.02\ \Omega\)

Hence, this is the required solution.

(a) The current in the bulb is 82mA

(b) The resistance of the bulb is 1340 Ω

Given information:

Supply voltage, V = 110V

The power rating of the bulb, P = 9 W

(a) Current in the bulb:

The electrical power is given by:

P = VI

where V is the voltage, and I is the current

So, I = P/V

I = 9W / 110V = 0.082A

I = 82 mA

(b) Resistance of the bulb:

According to the Ohm's Law:

The relation between voltage (V), current (I), and resistance (R) is given by:

V = IR

110 = 0.082R

R = 1340 Ω

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Polynomials can be classified based on the number of terms is contains which may be monomial, binomial, or trinomial.

Polynomials are algebraic expressions that contains a constant that is multiplied by one or more variables.

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The complete question:

Classify each polynomials based on the number of terms it contains.

-2x^2-x+3.5

10xyz^3

-x^2y^2+2y

8x^2+0.25

x^3y^4+2x^2y-3z

Answer:

Metaphase II

Explanation:

Metaphase II is the division of two daughter cells and is when sister chromatids line up in the middle of the cell.  This is what appears to be happening in the image.  Additionally, you can see that the chromosomes have already crossed over.  

Metaphase I only involves 1 cell, not 2 daughter cells.

Telophase II and Cytokinesis are when the cell splits.  Also, Telophase II would result in 4 daughter cells, not just 2.  

, The density of the metal with a simple cubic structure is approximately \(8.93 g/cm^3.\)

To determine the density of the metal with a simple cubic structure, we can use the following formula:

Density = (Atomic weight)/(Volume of the unit cell x Avogadro's number)

For a simple cubic structure, the volume of the unit cell can be calculated as:

The volume of unit cell = \(a^3\)

where a is the length of the edge of the cube.

In a simple cubic structure, the atoms touch along the edge of the cube. So, the edge length can be calculated as:

a = 2 x Atomic radius

Substituting the given values, we get:

a = 2 x 0.126 nm = 0.252 nm

The volume of the unit cell is:

Volume of unit cell = \(a^3\)= \((0.252 nm)^3\) = 0.016 \(nm^3\)

Now, we can substitute the values into the density formula:

Density = (70.4 g/mol)/(0.016 \(nm^3\) x 6.022 x \(10^23\)/mol)

Density = 8.93 \(g/cm^3\)

Therefore, the density of the metal with a simple cubic structure is approximately\(8.93 g/cm^3.\)

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Translated Question: If a metal had the simple cubic structure, how is it shown in the figure. Yes its atomic weight is 70. 4 g/mol and the atomic radius is 0.126 nm. determine the density

The rest energy of the proton is 900 MeV.

We need to know about relativistic energy to solve this problem. The rest energy of the object can be determined by

Eo = m₀ . c²

where Eo is rest energy, m₀ is rest mass and c is speed of light (3 x 10⁸ m/s).

From the question above, we know that :

m₀ = 1.6 x 10¯²⁷ kg

c = 3 x 10⁸ m/s

By substituting the following parameter, we get

Eo = m₀ . c²

Eo = 1.6 x 10¯²⁷ . (3 x 10⁸)²

Eo = 1.44 x 10¯¹⁰ joule

Eo = 1.44 x 10¯¹⁰ / (1.6 x 10¯¹⁹) eV

Eo = 900 x 10⁶ eV

Eo = 900 MeV

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Answer:

A. The average kinetic energy decreased.

Explanation:

When an object gains heat, which is a form of energy, the atoms within the object would in turn gain energy in the form of kinetic energy. Similarly, as the temperature of an object decreases, in other words losing heat energy, the atoms within the object would lose kinetic energy as a result.

Answer: 2934.75 Joules

Explanation:

Potential energy can be defined as energy possessed by an object or body due to its position.

Mathematically, potential energy is given by the formula;

P.E = mgh

Where P.E represents potential energy measured in Joules.

m represents the mass of an object.

g represents acceleration due to gravity measured in meters per second square.

h represents the height measured in meters.

Given the following data;

Weight =645

Height = 4.55

P.E = mgh

But we know that weight = mg = 645N

Substituting into the equation, we have;

P.E = 645 • 4.55

P.E = 2934.75J

Potential energy, P.E = 2934.75 Joules.

The two reasons why a home computer scanner requires electromagnetic waves to operate are

C. The charge-coupled device contains a silicon chip that releases electrons by the photoelectric effect, producing an image.

D. Visible light needs to reflect off an object and be captured by a charge-coupled device.

The waves that may go through vacuum space are electromagnetic waves. Magnetic and electrical components are present in electromagnetic waves.

All of them move at the speed of light. The atoms of the material absorb and reemit wave energy as part of the energy transport process through a medium. To transfer their energy from one place to another, mechanical waves need a medium to move through.

Therefore, the correct options are c and d.

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Explanation:

Momentum of an object is defined as the product of the mass of object and the velocity with which it is moving.

p = mv

where, p = momentum, m= mass and v= velocity

mass m = 0.7 Kg and v = 20 m/s

p = 0.7×20 = 14 Kg-m/sec

Therefore, momentum of the object  = 14 kg-m

The  maximum instantaneous power consumption of the microwave is 1.02 kW.

The maximum instantaneous power consumption of the microwave can be calculated using the formula:

P = VI

where P is power in watts, V is voltage in volts, and I is current in amperes.

First, we need to convert the voltage to the rms (root mean square) value for AC voltage, which is:

Vrms = Vpeak / sqrt(2)

where Vpeak is the peak voltage. For a 120 V AC voltage, the peak voltage is 120 * sqrt(2) = 169.7 V, so the rms voltage is:

Vrms = 169.7 / sqrt(2) = 120 V

Now we can calculate the maximum instantaneous power consumption:

P = VI = (120 V) x (8.5 A) = 1020 W

To convert to kilowatts, we divide by 1000:

P = 1020 W / 1000 = 1.02 kW

Therefore, the maximum instantaneous power consumption of the microwave is 1.02 kW.

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Physiological processes that take place between the QRS complex include ventricular depolarization, contraction, and ejection of blood.

The QRS complex is a portion of the electrocardiogram (ECG) that represents ventricular depolarization, or the spread of electrical activity through the ventricles of the heart.

Following the QRS complex, several physiological processes take place within the heart. Ventricular depolarization triggers ventricular contraction, which causes blood to be ejected from the ventricles into the pulmonary artery and aorta.

This process is known as systole and is essential for maintaining adequate blood flow to the body's tissues. During diastole, the ventricles relax and fill with blood from the atria, preparing for the next cardiac cycle.

The duration of the QRS complex, as well as the timing and magnitude of subsequent physiological processes, can provide important information about the function of the heart and help diagnose various cardiac conditions.

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(a) The inductance of the coil is 9 H, and (b) the inductive reactance (X L) when the frequency is set to 50 Hz is 2827.43 Ω.

(a) To calculate the inductance (L) of the coil, we can use Faraday's law, which states that the induced electromotive force (emf) is directly proportional to the rate of change of current in the coil.

(b) When the frequency is set to 50 Hz, we can determine the inductive reactance (X_L). The inductive reactance is the opposition offered by the inductor to the flow of alternating current and is given by the formula.

(a) emf = - L(dI/dt)Where emf = 4.5 kV = 4500 V, dI/dt = 3 A/6 ms = 500 A/s,

L is the inductance of the coil.

Substituting the values in the equation

4500 = L × 500L = 4500/500 = 9 H

(b) Calculation of inductive reactance (X L)

The inductive reactance (X L) of the coil is given by

X L = 2πfLWhere f = frequency = 50 Hz, L = inductance = 9 H

Substituting the values in the above equation,X L = 2 × π × 50 × 9X L = 2827.43 Ω

Hence, the inductance of the coil is 9 H, and the inductive reactance (X L) when the frequency is set to 50 Hz is 2827.43 Ω.

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Answer:

Yes, a mixture can be made up of just elements and no compounds. The elements never experiance a chemical interaction and stay only in physical contact with each other.

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Answer:

The total kinetic energy of the car can be divided into two parts: translational kinetic energy, due to the car's motion as a whole, and rotational kinetic energy, due to the rotation of the wheels about their axles.

The translational kinetic energy of the car is given by:

KE_translational = (1/2)mv^2

where m is the mass of the car and v is its speed.

The rotational kinetic energy of each wheel can be calculated as:

KE_rotational = (1/2)Iω^2

where I is the moment of inertia of a wheel and ω is its angular velocity.

The moment of inertia of a uniform disk is given by:

I = (1/2)mr^2

where m is the mass of the disk and r is its radius.

The mass of each wheel is given as 12 kg, so the moment of inertia of each wheel is:

I = (1/2)(12 kg)(0.5 m)^2 = 1.5 kg·m^2

Assuming that the wheels are rolling without slipping, the angular velocity of each wheel can be related to the speed of the car by:

v = rω

where r is the radius of the wheel.

Solving for ω, we get:

ω = v/r

Substituting this expression into the equation for KE_rotational, we get:

KE_rotational = (1/2)(1.5 kg·m^2)(v/r)^2

Simplifying, we get:

KE_rotational = (3/8)mv^2

So the rotational kinetic energy of each wheel is (3/8) of the translational kinetic energy of the car.

The total rotational kinetic energy of all four wheels is therefore:

KE_total_rotational = 4 KE_rotational = (3/2)mv^2

The total kinetic energy of the car is:

KE_total = KE_translational + KE_total_rotational = (5/2)mv^2

So the fraction of the total kinetic energy of the car that is due to the rotation of the wheels about their axles is:

KE_total_rotational / KE_total = (3/5) = 0.6

Therefore, 60% of the car's total kinetic energy is due to the rotation of the wheels about their axles.

Answer:

I believe its called the periosteum , its a thin , dense membrane that contains  nerves and blood vessels .

Hoped I helped-

Sleepy~