what is the magnitude of velocity for a 1500 kg car possessing 4500 kgm/s of momentum?

The type of radioactive decay that has a positive charge is alpha particles, which are positively charged.

The expression radioactive decay makes reference to the emission of ionizing radiation for a given atom, thereby an unstable atom may lose energy by releasing radiation.

Alpha particles are specific atomic particles consisting of 2 protons  (positive charge) and also 2 neutrons that share chemical bonds.

In conclusion, the type of radioactive decay that has a positive charge is alpha particles, which are positively charged.

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Answer:

200

Explanation:

Given parameters:

Number of turns in primary coil  = 1000 turns

Primary voltage  = 230V

Secondary voltage  = 46V

Unknown:

Number of turns in secondary coil = ?

Solution:

To solve this problem, we have to use the expression for solving problems related with transformers;

        \(\frac{Vs}{Ns}\)   = \(\frac{Vp}{Np}\)  

Vs is the secondary voltage

Ns is the number of secondary turns

Vp is the primary voltage

Np is the number of primary turns

 Now insert the parameters and solve;

         \(\frac{46}{Ns}\)   = \(\frac{230}{1000}\)

          46 x 1000 = 230Ns

             Ns = 200

If a force of 20 n begins acting on the object in the opposite direction, its velocity will rise.

If there are no forces acting to accelerate or decelerate an object that is already moving with a constant speed, it will continue to move at that speed in a straight line. By defining force as a vector quantity, Newton helped to clarify the aforementioned statement.

Newton's first law of motion states that any object moving at a constant speed experiences no net external forces, so the total amount of forces acting on the object must be zero.

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Answer:

La masa de la mascota es de 11,24 kg.

Explanation:

Dado que la masa total de = 80 kg

Tenemos

Fuerza de fricción = 80 kg × 9.81 × 0.3 = 235.44 N

La mascota salta horizontalmente con una velocidad, v, de 6.0 m / s para dar un movimiento de 1 m a la caja de masa y a la persona

Trabajo realizado por el salto de la mascota = (80 - m) × 9.81 × 0.3

La energía del movimiento del perro = 1/2 × m × v² = Trabajo realizado al saltar de la mascota

1/2 × m × 6² = (80 - m) × 9.81 × 0.3

20943 · m = 235440

m = 235440/20943 = 11,24 kg

Answer:

y(t) = \(\frac{3Q}{2A} ( t - 1/2 sin2t ) - \frac{Q}{A} t + C\)

Explanation:

Given data :

storage tank contains a liquid at depth ; Y

when tank is half full ;  y = 0

flow rate = q

sinusoidal rate = 3Q \(sin^{2} (t)\)

Determine how the equation can be written for this system

solution is attached below

note ; from the question it can be seen that the surface area ( A )  is constant

Answer:

t = 30000  seconds

Explanation:

Given that,

Initial velocity of the car, u = 0

Final velocity of the car, v = 60 km = 60000 m

The acceleration of the car, a = 2 m/s²

W need to find the time taken by the car. The acceleration of the object is given by :

\(a=\dfrac{v-u}{t}\)

or

\(t=\dfrac{v-u}{a}\\\\t=\dfrac{60000-0}{2}\\\\t=30000\ s\)

So, the required time is 30000  seconds.

The distance that can be achieved on the highway per liter of fuel, considering the given air drag and overall frictional forces, is 40,000 meters.

To calculate the distance per liter that can be achieved on the highway, we need to consider the energy content of the fuel and the work done against the air drag and overall frictional forces.

The work done against the air drag and frictional forces can be calculated using the equation:

Work = Force × Distance

In this case, the force is given as 1000 N, and we want to find the distance covered per liter. Let's assume the car is traveling at a constant speed, so the work done against the forces is equal to the energy content of the fuel burned.

The energy content of the fuel is given as 40 megajoules per liter, which can also be expressed as 40,000,000 joules per liter.

Now, we can set up the equation:

Work = Energy content × Distance

1000 N × Distance = 40,000,000 J

To find the distance covered per liter, we need to rearrange the equation:

Distance = 40,000,000 J / 1000 N

Distance = 40,000 J/N

Distance = 40,000 meters

Therefore, the distance that can be achieved on the highway per liter of fuel, considering the given air drag and overall frictional forces, is 40,000 meters.

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Answer:

First law: A body at rest will remain at rest, and a body in motion will remain in motion unless it is acted upon by an external force.

Second law: The force acting on an object is equal to the mass of that object times its acceleration, F = ma.

Third law: For every action, there is an equal and opposite reaction.

On dry surfaces at up to the speed 35 mph, a following gap of two seconds time gives enough time to steer clear of trouble spots. Meaning we can steer clear of the issue.

if there is a two-second time gap on dry surfaces. Distance travelled in a unit of time is referred to as speed. It is the rate of movement of an object. Speed is a scalar quantity and the velocity vector's magnitude. There is no clear direction to it. A faster rate of movement is indicated by a higher speed. Slower movement is indicated by a lower speed. Its speed is zero if it isn't moving at all. In simple words, we define speed or velocity as the distance travelled in a specific amount of time.

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(A)The principle of wave propagation and resonance is used.(B)The equation used for the fundamental frequency of a closed tube is: f = (v/2L) × n. (C) For the lowest  frequencies (n = 1, 2, 3), we can calculate the frequencies using the formula: f₁ = (v/2L) × 1. Important that  the values of these frequencies may vary depending on the exact length and characteristics of the ear canal.

These frequencies may vary depending on the exact length and characteristics of the ear canal.

A) The physics concepts and equation being used in this question are related to standing waves in a closed tube. The equation used is the formula for the fundamental frequency of a closed tube, which is derived from the principles of wave propagation and resonance.

B) The equation used for the fundamental frequency of a closed tube is:

f = (v/2L) × n,

where f is the frequency, v is the speed of sound, L is the length of the tube, and n is the harmonic number.

C) Plugging in the numbers:

Given:

Length of the ear canal (L) = 2.7 cm = 0.027 m

Speed of sound (v) = 343 m/s

For the lowest three frequencies (n = 1, 2, 3), we can calculate the frequencies using the formula:

f₁ = (v/2L) × 1,

f₂ = (v/2L) × 2,

f₃ = (v/2L) × 3.

D) Unit check and explanation:

Let's check the units:

The units of the speed of sound (v) are m/s.

The units of the length (L) are meters (m).

The units of frequency (f) are cycles per second or Hertz (Hz).

Plugging in the numbers and evaluating the expressions, we can find the values of the lowest three frequencies:

f₁ = (343 m/s / 2 × 0.027 m) × 1,

f₂ = (343 m/s / 2 × 0.027 m) × 2,

f₃ = (343 m/s / 2 × 0.027 m) × 3.

By calculating these expressions, we will obtain the numerical values of the lowest three frequencies of the standing waves in the ear canal.

It is important to note that the values of these frequencies may vary depending on the exact length and characteristics of the ear canal.

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Answer:

Valence electrons are outer shell electrons with an atom and can participate in the formation of chemical bonds. In single covalent bonds, typically both atoms in the bond contribute one valence electron in order to form a shared pair. The ground state of an atom is the lowest energy state of the atom.

Answer:

I think ur answer would be B

Explanation:

srry if wrong

hope this helps

The power dissipated in the second case is 2W.

A resistor in a circuit with a voltage drop consumes electrical energy. All resistors have a power rating because this electrical energy is converted to heat energy. This is the maximum power that can be drawn from the resistor without burning out. Resistor energy dissipation. A charge q moves through a resistor, it loses potential energy Vq. where V is the potential drop across the resistor.

calculation:-

V = 1.5

power = 1

VI = P

I = 1/1.5

= 2/3

New V = 3 V

p = VI

= 3×2/3

= 2W.

This energy is dissipated as heat similar to how a ball of putty falling off a cliff converts potential energy into heat when it hits the ground. When current flows through a resistor, electrical energy is converted into heat energy. All heat generated by the components of a circuit has at least some resistance and is dissipated into the air surrounding the component.

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Answer:

C

Explanation: Water vapor can turn into liquid water when it cools and Liquid water turns into vapor when it heats

No, Photons are absorbed in a quantum jump from a lower energy level to a higher energy level.

When an electron moves closer to the nucleus and emits a photon, to move an electron further from the nucleus requires the absorption of a photon.

A spectral line is a dark or bright line in an otherwise uniform and continuous spectrum, resulting from absorption of light in a narrow frequency range, compared with the nearby frequencies. Spectral lines are often used to identify atoms and molecules.

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When a motor runs in an electric circuit, the primary energy transformation that takes place is the conversion of electrical energy into mechanical energy. This conversion is made possible by the interaction of electromagnetic forces within the motor.

Initially, the battery in the circuit supplies electrical energy to the motor. The electrical energy is in the form of a flow of electrons through the wires, creating an electric current. This current is directed through the motor's coils, which are usually made of conducting materials, such as copper wire, wrapped around a core.

As the electric current passes through the coils, it generates a magnetic field around them due to the principles of electromagnetism. The magnetic field interacts with the permanent magnets or electromagnets within the motor, resulting in a force that causes the motor's rotor (the moving part) to rotate.

The rotation of the rotor leads to the mechanical energy transformation. The electrical energy provided by the battery is converted into kinetic energy as the motor's shaft starts to turn. This kinetic energy can be harnessed to perform useful work, such as driving a fan, operating machinery, or propelling a vehicle.

In summary, the energy transformation that occurs when a motor runs in an electric circuit is the conversion of electrical energy into mechanical kinetic energy. This transformation enables the motor to perform various tasks and is fundamental to the operation of numerous devices and systems in our daily lives.

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Answer:

Los 11 colores básicos (negro, azul, marrón, gris, verde, naranja, rosa, púrpura, rojo, blanco y amarillo) y los 28 adicionales (turquesa, verde oliva, verde menta, borgoña, lavanda, magenta, salmón, cian, beige, rosado, verde oscuro, verde oliva, lila, amarillo pálido, fucsia, mostaza, ocre, trullo, malva, púrpura

hope that helps bby<3

Answer:

10 millones

Explanation:

En primer lugar, los científicos han determinado que en el laboratorio podemos ver unos 1.000 niveles de luz oscura y unos 100 niveles de rojo-verde y amarillo-azul. Eso es alrededor de 10 millones de colores ahí mismo.

(a) The proton will move in the positive z direction.

(b) The work done by the electric field is 1.44 × \(10^{-17\) J, and work done is defined as the dot product of the displacement and electric field vectors, taking into account the angle between them.

(c) The change in electric potential energy of the charged particle is also 1.44 × \(10^{-17\) J, which is equal to the negative of the work done by the electric field.

(d) The speed of the charged particle can be determined using the work-energy theorem which is 1.85 * \(10^5\) m/s

(a) Since the electric field is acting in the negative z direction and the proton has a positive charge, it will experience a force in the opposite direction and move in the positive z direction.

(b) The work done by the electric field is defined as the dot product of the displacement vector and the electric field vector:

\(work = |d| * |E| * cos(theta)\)

where |d| is the magnitude of the displacement vector, |E| is the magnitude of the electric field, and theta is the angle between the two vectors. In this case, the electric field and displacement vectors are parallel, so the angle between them is 0 degrees. The work done is given by work = |d| * |E| * cos(0) = |d| * |E|. Plugging in the values, work = (2.85 cm) * (253 N/C) = 721.05 N cm/C or 1.44 × \(10^{-17\) J.

(c) The change in electric potential energy of the charged particle is equal to the negative of the work done by the electric field. Therefore, the change in electric potential energy is also 1.44 × \(10^{-17\) J.

(d) The work-energy theorem states that the work done on an object is equal to the change in its kinetic energy. Since the proton starts from rest, the work done by the electric field is equal to the change in kinetic energy. The work done is given by work = (1/2) * m * \(v^2\), where m is the mass of the proton and v is its final velocity. Rearranging the equation, v = \(\sqrt((2 * work) / m)\). Plugging in the values,

\(v = \sqrt((2 * 1.44 * 10^{-17} J) / (1.67 * 10^{-27} kg))\) = 1.31 × \(10^5\) J/kg or 1.85 * \(10^5\) m/s

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Answer:

A) earth

B) live

C) live

D) earth

Explanation:

hope i help

Answer:

football, basketball

Explanation: LEAVE AN BRAINLEST!!

Answer:

P = 1412.82 [Watt]

Explanation:

First we must calculate the total mass that makes up the barbell and the two free weights at each end of the barbell.

\(m=30+30+20\\m= 80 [kg]\)

Weight is now defined as the product of mass by gravitational acceleration.

\(w=m*g\)

where:

m = mass = 80 [kg]

g = gravity acceleration = 9.81 [m/s²]

\(w=80*9.81\\w=784.8[N]\)

Now using the product of the weight by the distance traveled we can calculate the work.

\(W=w*d\)

where:

W = work [J]

w = weight = 784.8 [N]

d = distance = 0.9 [m]

\(W=784.8*0.9\\W=706.41[J]\)

And power is defined as the relationship of work at a certain time. The potency is expressed by means of the following formula.

\(P=W/t\\P=706.41/0.5\\P=1412.82[W]\)

Answer:

where is the question? I can only see the diagram

d) is an atom of Sodium and an atom of Chlorine.

e) is a molecule of water.

When a star is so dense that its atoms have their electrons smashed in toward the nucleus (resulting in densities about a million times greater than water), the resulting material is called a Neutron star.

Stars are present in the galaxy that have the ability to generate their own light. They are both quite hot and very huge.

They are largely formed of hydrogen, with a trace of helium thrown in for good measure.

The sun is also a star, and its energy and light play an important part in the survival of all kinds of life on Earth.

When a star is so dense that its atoms have their electrons smashed in toward the nucleus (resulting in densities about a million times greater than water), the resulting material is called a Neutron star.

Hence the correct answer is a neutron star.

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Answer:

Explanation:

Here is the information we have.

Skateboard: 1.4 kg, velocity = 19 m /s

You: weight: 52 kg, veclocity = 19m/s (since you are riding the skateboard)

Now the momentum of an object is given by

where

m = mass

v = velocity

Now in our case, the momentum of the skateboard is

Your momentum is

Therefore, the total momentum of you and the skateboard is

The combined mass of the skateboard and you is

Hence, to summerise

total momentum = 1014.6 kg * m/s

combined mass = 53.4 kg.

hayashi 2004 ), temperature-electrical conductivity relation of water for environmental monitoring and geophysical data inversion,

The temperature correction issue for 25 °C ranged from 0.0175 to zero.0198, with an average price of 0.0187.

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Answer:

around 30 grays

Explanation:

Hope this helps :)

The graph was plotted with the drops of HCl on the independent axis (x-axis) and pH values on the dependent axis (y-axis).  The two lines represent the buffered and unbuffered solutions. As you can see, the buffered solution is much more resistant to changes in pH than the unbuffered solution.

https://www.cambridge.org/core/books/properties-and-management-of-soils-in-the-tropics/soil-fertility/F428D9C894CD65D4D0D9185C62EE4F44

(link for the graph)

To plot the drops of HCl on the independent axis (x-axis) and pH values on the dependent axis (y-axis) and create two lines to represent the buffered and unbuffered solutions, we need to understand what buffered and unbuffered solutions are and how the pH changes with the addition of HCl.

The graph for the buffered and unbuffered solutions with drops of HCl on the x-axis and pH values on the y-axis is shown below:

Plot of drops of HCl on the independent axis (x-axis) and pH values on the dependent axis (y-axis):Buffered solutions and unbuffered solutions lines:

https://www.cambridge.org/core/books/properties-and-management-of-soils-in-the-tropics/soil-fertility/F428D9C894CD65D4D0D9185C62EE4F44

(link for the graph)

On the graph, the blue line represents a buffered solution, and the red line represents an unbuffered solution. The graph shows that the buffered solution's pH remains constant even with the addition of HCl drops, while the unbuffered solution's pH drops drastically with each addition of HCl drops.The addition of acid to a buffered solution does not change the pH significantly, while the addition of acid to an unbuffered solution can cause the pH to change drastically.

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The relationship between Hubble's constant and the age of the universe is based on the concept of the expansion rate of the universe. Hubble's constant represents the current rate at which the universe is expanding.

The age of the universe is calculated by dividing the distance between two objects by their relative velocity. Therefore, the age of the universe is directly proportional to the inverse of the Hubble's constant.
If we consider a given value of Hubble's constant, such as 22 km/s/Mly, the age of the universe is oldest if the expansion rate of the universe has been constant throughout its history. This scenario is known as the "steady-state theory," which suggests that the universe has always existed and will continue to exist indefinitely. In contrast, if the expansion rate of the universe has been accelerating over time, as observed by recent cosmological measurements, the age of the universe would be younger than in the steady-state theory. Therefore, the precise relationship between Hubble's constant and the age of the universe depends on the expansion history of the universe.

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The tension in the string (T) can be expressed in terms of the mass (m2) and horizontal acceleration (a2) of the block.

To determine the tension in the string, we need to consider the forces acting on the block of mass m2. The tension in the string pulls the block horizontally, creating an acceleration a2. By applying Newton's second law (F = ma), we can equate the net force on the block to its mass multiplied by its acceleration.

The net force acting on the block in the horizontal direction is T (the tension), and the mass is m2. Therefore, we have T = m2 * a2. This equation relates the tension in the string to the mass and acceleration of the block.

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Answer: Planets would be pulled into the sun

Explanation:

This is the correct answer.