A spinning neutron star that appears to give off radio wave pulses is called a _____. supernova pulsar black hole

W1=W2, they are directly related, k= spring constant  x= change on length of spring. x= 34-24= 10 cm

The spring constant is calculated by dividing the force required to stretch or compress a spring by the lengthening or shortening of the spring. It is used to identify whether a spring is stable or unstable, and consequently, what system it should be employed in.

It is stated mathematically as k = - F/x, which reworks Hooke's Law. Where x is the displacement caused by the spring in N/m, F is the force applied over x, and k is the spring constant.

Only in the range where the force and displacement are proportionate does Hooke's law adequately explain the linear elastic deformation of materials. Whatever the mass, a spring's elasticity will revert to its initial shape once the external force is eliminated. A characteristic is the spring constant.

Thus, W1=W2, they are directly related, k= spring constant  x= change on length of spring. x= 34-24= 10 cm.

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This is a description of the apparent motion of stars due to Earth's axial tilt and revolution around the sun.

Distance is a scalar quantity that represents the magnitude of separation between two points in space. It is the length of the path between two points, and is measured in units such as meters, kilometers, miles, etc. Distance is fundamental to the concept of spatial location and helps describe the relative positions of objects in three-dimensional space.

Here,

The apparent motion of the stars is due to the combination of the Earth's rotation on its axis and its revolution around the sun. As the Earth rotates, the stars appear to move across the sky in a west-to-east direction, and as the Earth revolves around the sun, the stars appear to move in a circular path, which is known as the apparent motion of the stars. The apparent motion of stars closer to us is greater than that of stars that are further away because of the closer proximity to Earth.

This apparent motion is also affected by the Earth's axial tilt, which causes the stars to appear to move in an elliptical path throughout the year.

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The sensor temperature as a function of time if the balloon carries a thermocouple temperature sensor having a time constant t can be found by solving a first-order differential equation.

In this case, the temperature variation with altitude is given by T(z) = T0 × exp(-λz), where T0 is the initial temperature, λ is the decay constant, and z is the altitude.

Since the balloon ascends at a constant rate V, we can express the altitude as a function of time: z(t) = V × t. Now we can write the actual temperature as a function of time: T(t) = T0 × exp(-λVt).

Next, we need to consider the time constant of the thermocouple sensor, denoted by τ. The sensor temperature Ts(t) will have a first-order response to the actual temperature, given by the following differential equation:

dTs/dt + (1/τ) × Ts(t) = (1/τ) × T(t)

We can solve this first-order linear inhomogeneous differential equation using an integrating factor. In this case, the integrating factor is exp(t/τ). Multiply both sides of the equation by the integrating factor, and integrate with respect to time to find Ts(t).

After solving the differential equation, the sensor temperature as a function of time will be:

Ts(t) = T0 × (1 - exp(-t/τ)) × exp(-λVt)

To sketch the sensor temperature and actual temperature versus time, plot Ts(t) and T(t) on the same graph with time on the x-axis and temperature on the y-axis. The actual temperature T(t) will show an exponential decay, while the sensor temperature Ts(t) will exhibit a curve that initially rises and approaches the actual temperature, but lags behind it due to the time constant τ.

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When the electron enters the magnetic field, the magnetic force would point in a direction perpendicular to both the velocity of the electron and the magnetic field, according to the right-hand rule.

The magnetic force on an electron moving through a magnetic field is determined by the right-hand rule. When the electron enters the magnetic field, the direction of the magnetic force is perpendicular to both the velocity of the electron and the magnetic field.

Using the right-hand rule, if you point your thumb in the direction of the velocity of the electron and your fingers in the direction of the magnetic field, then the direction in which your palm faces represents the direction of the magnetic force on the electron.

Therefore, when the electron enters the magnetic field, the magnetic force would point in a direction perpendicular to both the velocity of the electron and the magnetic field, according to the right-hand rule.

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The power output the 52 kg student output by climbing a 3 m high staircase in 5.9 seconds is found as  260 W.

The energy that an object has or can acquire owing to a change within the position when it is in a gravitational field is known as gravitational potential energy.

Mass of the student m =  52 kg .

Height climbed h = 3 m

Time taken t = 5.9 seconds.

Power = GPE / time

Power = m*g*h / t

Power = 52 * 9.81 * 3 / 5.9

Power = 259.38

Power = 260 W

Thus, the power output the 52 kg student output by climbing a 3 m high staircase in 5.9 seconds is found as  260 W.

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Lever arm length and force applied perpendicular to a lever arm are multiplied to create torque. A scalar quantity called torque has two possible directions: clockwise and counterclockwise.

A force applied perpendicular to a lever arm produces a torque, which is the result. The distance that runs perpendicularly from the pivot point, or the center of rotation, to the location where the force is delivered, is known as the lever arm or moment arm. A pivot point is always used to define a torque.

Each gearing stage of a torque multiplier amplifies the torque applied to the bolt. For instance, a torque multiplier with a 5:1 ratio will produce an output at the shaft that is five times the torque, but because no energy can be produced, the speed will only be one fifth of the original.

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The cycle of water or H₂O evaporating from lake and other bodies of water forming clouds and rain back to the surface of the earth happens in hydrosphere and stratosphere.

Hydrosphere is defined as water that is on the earth including surface of the planet such as ocean, lake and ice, underground source of water such as groundwater, as well as moisture in the air. The water, also known as H₂O gets heated up by the sun, evaporates into the air forming clouds happen in the atmosphere of the earth, specifically stratosphere, where most of the clouds are forming. After the clouds can no longer hold the accumulation of vaporization of the water, it will eventually get released back into the earth in the form of rain or snow.

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Answer:

A  identity

Explanation:

got it right on edge

Answer:

The identity of the H2O is what stays the same. The singular answer is A. identity of the H2O

Explanation:

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It is clear that, what would make object B to have a greater work is that a greater force applied to Object B.

We know that in physics, it is common to understand that work is done when the force that has been applied is said to move a distance in the direction of the force.

Now we have see that when force is applied to an object, we expect that the position of the object would change as a result of the fact that work has been done on the object as we can see. Thus by applying a greater force on B it does a greater work.

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The magnitude of the average rate in watts at which friction dissipates the box's mechanical energy is 10.4 W.

KE = 1/2 mv²

KE = 1/2 (5.00 kg) (2.50 m/s)² = 15.6 J

Since the box comes to rest after 1.50 s, the average power dissipated by friction can be found using the equation:

P = E/t

P = 15.6 J / 1.50 s = 10.4 W

Mechanical energy is the sum of the potential energy and kinetic energy of an object. Potential energy is the energy that an object possesses by virtue of its position or configuration in a field of force, while kinetic energy is the energy that an object possesses by virtue of its motion.

The mechanical energy of an object is conserved when it is in a closed system, meaning that the total amount of mechanical energy remains constant. This is known as the law of conservation of mechanical energy. For example, if an object is dropped from a height, its potential energy is converted into kinetic energy as it falls, and the total mechanical energy remains constant. Mechanical energy plays an important role in many areas of physics, including mechanics, thermodynamics, and electromagnetism.

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The probability density function of X is plotted for a=1/2 and a=2.

The expected value of X (E[X]) is determined.

The expected value of 1/X (E[1/X]) is determined.

The variance of X (V[X]) is determined.

The median of X is determined.

When a=1/2, the probability density function of X is given by p(X=x∣a)=((1/2)+1)x(1/2)^0=(3/2)x for x∈[0,1]. When a=2, the probability density function becomes p(X=x∣a)=(2+1)x^2=3x^2 for x∈[0,1]. To plot the probability density function, we can assign different values of x within the range [0,1], calculate the corresponding probabilities using the given formulas, and plot the points on a graph.

The expected value of X (E[X]) is calculated by integrating the product of X and its probability density function over the range [0,1]. For a=1/2, E[X] = ∫(x * (3/2)x) dx from 0 to 1. For a=2, E[X] = ∫(x * 3x^2) dx from 0 to 1. By evaluating these integrals, we can determine the expected values.

The expected value of 1/X (E[1/X]) is calculated similarly to E[X], but instead of integrating X, we integrate 1/X using the respective probability density functions for different values of a.

The variance of X (V[X]) can be computed by taking the second moment of X (E[X^2]) minus the square of the first moment (E[X]) squared. V[X] = E[X^2] - (E[X])^2. By calculating E[X^2] using the probability density function and the expected values obtained in step 2, we can determine the variances for different values of a.

The median of X is the value of X such that the cumulative distribution function (CDF) is equal to 0.5. To find the median, we integrate the probability density function from 0 to the median value and set it equal to 0.5. Solving for the median provides its value in terms of the parameter a.

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The height through which the water is lifted is 196.25 m.

Mechanical advantage is a measure of the force amplification achieved by using a tool, mechanical device or machine system.

Mechanical advantage is also defined as the ratio of output force to input force in a system.

Mechanical Advantage = Output force / input force

12.5 = output force / 15.7

output force = 15.7 x 12.5

output force = 196.25 m

Thus, the height through which the water is lifted is 196.25 m.

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Answer:

648.40N

Explanation:

Centripetal acceleration is the acceleration of an object around a circular path. Centripetal for e acting on the combined mass is expressed as:

F = ma

F = mv²/r

m is the mass of the object = 143kg

v is the linear velocity = 13.8m/s

r is the radius = 42.0m

Substitute the given parameters into the formula;

F = 143*13.8²/42

F = 27,232.92/42

F = 648.40N

Hence the magnitude of the centripetal force acting on the combined mass is 648.40N

In the wake of taking on the trade framework, it was resolved that a less complex type of trade was required.

Prompting the decision of a solitary decent that could be openly traded for some other great with the assent of the gatherings.

The term "barter," which comes from the Latin word "baretor," refers to a method of exchanging goods and services between two parties without the use of money.

The bartering system most likely originated with Mesopotamian tribes around 6000 BC. The Phoenicians saw how it was done and adopted it into their culture. These ancient people exchanged products for the food, instruments, and flavors they required.

Under this system, there is no imbalance in trade or a lack of foreign currency. A barter system does not produce the waste that occurs in a monetary economy. because there are neither too many nor too few products.

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A cart is transferred in an instant line. if we double each the mass and speed of the cart, the magnitude of its momentum trade: a doubling of the momentum.

In arithmetic, the magnitude or length of a mathematical object is a property which determines whether the object is greater or smaller than different objects of the equal type. more officially, an object's magnitude is the displayed end result of an ordering —of the magnificence of gadgets to which it belongs.

The time period value is defined as “how a good deal of a quantity”. as an example, the value can be used for explaining the contrast between the speeds of a car and a bicycle. it is able to also be used to provide an explanation for the distance traveled by means of an object or to provide an explanation for the quantity of an item in phrases of its value.

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The player would continue in the same direction unless a force acts on the player.

The Newton's first law of motion states that an object will continue in its state of rest or uniform motion unless it is acted upon by an external force. This external force tries either make the object to move or to change its direction of motion accordingly.

Having said this, for a player that is running in the field with the ball, the player would continue in the same direction unless a force acts on the player such as when the player is pushed by another player.

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Answer:

The ball has a potential energy of 53 J.

Explanation:

Mechanical energy, E = Kinetic energy + Potential energy

E = K.E + P.E

65 = 12 + P.E

P.E = 65 – 12

P.E = 53 J

Therefore the potential energy of the ball is 53 J

Answer:

53

Explanation:

on e2021

False. Under electrostatic conditions, there is no electric field inside a solid conductor only if the conductor is in a state of electrostatic equilibrium. In other words, if the conductor is charged, there will be an electric field inside the conductor, but it will decrease rapidly as you move away from the surface of the conductor.

The electric field is a field that represents the force that would be exerted on a charged particle at a particular point in space. It is a measure of the intensity of the electric force that a charged object would experience if placed at that point in space.

The electric field can be represented mathematically as a vector field and is typically denoted by the symbol "E". It is a measure of the force per unit charge and has units of volts per meter (V/m). The direction of the electric field at a particular point is the direction of the force that would be exerted on a positive test charge placed at that point.

Electric fields are a fundamental concept in electricity and electromagnetism and play an important role in a wide range of applications, including electric motors, generators, and electronic devices. They are used to describe the behavior of charged particles and the interactions between charged particles, and are an essential tool for understanding and describing the behavior of electric and magnetic fields.

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To convert milligrams per liter (mg/L) to parts per million (ppm), you simply multiply the milligrams per liter value by 1000. The conversion factor is: 1 mg/L = 1000 ppm.

For example, if you have a concentration of 20 mg/L, you can convert it to ppm as follows:

20 mg/L * 1000 ppm/mg = 20,000 ppm

So, the equivalent concentration in ppm is 20,000.

Parts per million (ppm) and milligrams per liter (mg/L) are units of concentration commonly used in environmental and chemical analysis. They are used to express the amount of a substance present in a solution or mixture.

In ppm, the concentration is expressed as the number of parts of the substance per million parts of the solution or mixture. It is a unit of proportion, and it provides a way to quantify a small amount of a substance in a large volume of a solution or mixture.

In mg/L, the concentration is expressed as the mass of the substance in milligrams present in a liter of the solution or mixture. It is a unit of mass per unit volume, and it provides a way to quantify the amount of a substance in a solution or mixture based on its mass.

Both units are commonly used in fields such as environmental monitoring, water quality analysis, and chemical analysis. The choice between mg/L and ppm depends on the specific application and the type of substance being analyzed.

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Answer:

14.826 kg

Explanation:

move the decimal at the end over to the left 3 times

Answer: 14.826

Answer:

A) 0 V

B) -117 kV

C) -0.468 J

Explanation:

q1=+2.00μC  q2=−2.00μC q3 = -4.00 μC

A) The electric potential at point a due to q1 and q2 (\(V_a\)) is given as:

\(V_a=k\Sigma \frac{q}{r_i} = k(\frac{q_1}{r_1}+\frac{q_2}{r_2} )\\ but\ r_2=r_1=d.\ Therefore\\V_a=k(\frac{q_1}{d}+\frac{q_2}{d} )=k(\frac{2}{d}-\frac{2}{d} )=0\)

B) he electric potential at point b due to q1 and q2 (\(V_b\)) is given as:

\(V_b=k\Sigma \frac{q}{r_i} = k(\frac{q_1}{r_1}+\frac{q_2}{r_2} )\\ but\ r_2=4.5 cm=0.045m,\ r_1=\sqrt{0.045^2+0.045^2}= 0.0636.\ Therefore\\V_b= k(\frac{q_1}{r_1}+\frac{q_2}{r_2} )= 9*10^{9}(\frac{2*10^{-6}}{0.0636}-\frac{2*10^{-6}}{0.045} )=-117\ kV\)

C) The work done on q3 by the electric forces exerted by q1 and q2 (W) is given by:

\(W=q_3(V_a - V_b)=-4*10^{-6}(0-(-117*10^3))=-0.468\ J\)

Answer:

44.1 m

Explanation:

Answer:

10 pa

Explanation:

4kg* 10 (or 9.8m/s2) = 40

40N /4m2 =10

When a strong external magnetic field is applied to paramagnetic materials, these materials experience an increase in their magnetic susceptibility, which refers to their ability to become magnetized in response to an external magnetic field.

In other words, the paramagnetic materials become more magnetic in the presence of a strong external magnetic field. This effect is due to the alignment of the unpaired electrons within the atoms of the paramagnetic materials. In the absence of an external magnetic field, these electrons are randomly oriented, resulting in no net magnetic moment. However, when a strong external magnetic field is applied, these unpaired electrons align their magnetic moments with the external magnetic field, resulting in an increase in the magnetization of the material. This property of paramagnetic materials has several practical applications, such as in magnetic resonance imaging (MRI), where the magnetic properties of tissues can be detected by applying a strong external magnetic field.

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Answer:

Your answer is 5 m/s

Explanation:

A relatively dense protogalactic cloud more likely to produce an elliptical galaxy than a spiral galaxy Because of High gas density cooling took faster and also stars forms  faster before gas settle into a disk .

The higher gas density forms stars more efficiently, so all the gas is converted into stars before a disk can form. Hence , a relatively dense protogalactic cloud more likely to produce an elliptical galaxy than a spiral galaxy

Because of High gas density cooling took faster and also stars forms  faster before gas settle into a disk . It also have low or no initial angular momentum

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The root-mean-square (rms) voltage (Vrms) of a source is the effective voltage value that corresponds to the average power delivered by the source.

To determine the rms voltage of a source, you need to have the values of the instantaneous voltage over a complete cycle of the AC waveform. By squaring each instantaneous voltage value, calculating their average, and taking the square root of the result, you can find the rms voltage.

For example, if you have a sinusoidal AC voltage waveform with a peak voltage of Vpeak, the rms voltage (Vrms) can be calculated using the following formula:

Vrms = Vpeak / √2

Here, √2 is a constant value derived from the mathematical properties of sinusoidal waveforms.

The rms voltage is essential because it represents the equivalent steady DC voltage that would produce the same power or heating effect in a resistive circuit. It is commonly used to describe the voltage levels of AC power sources, electrical signals, and the voltage requirements of electrical devices.

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Answer:

Explanation:

The kinetic energy of an object can be found by using the formula

\(k = \frac{1}{2} m {v}^{2} \\\)

m is the mass

v is the velocity

From the question we have

\(k = \frac{1}{2} \times 1000 \times {26}^{2} \\ = 500 \times 676 \\ = 338000\)

We have the final answer as

Hope this helps you

Given what we know about the Kepler space program, we know that the astronomers discovered that Earth-sized planets are more common than we imagined.

Kepler was launched with the intention of getting a closer look at other planets outside of our solar system using enhanced photometrics.

The idea behind this launch was to discover more Earth-sized planets, preferably within the habitable zone of their central star.

What this mission showed astronomers, is that Earth-sized planets are more common than we could have imagined, Kepler proved this by finding over 2,662 planets to date.

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