The amount of current flowing through a conducting material when 360C charge flows for 3min

Answer:

|Fr| = 50*√2  [N]

Explanation: (See Annex )

En el diagrama de cuerpo libre ( mostrado en el anexo) se ve que, al ser las dos fuerzas iguales (50 N) el paralelogramo formado para encontrar la resultante de las fuerzas (Fr)  es un cuadrado, y la diagonal de ese cuadrado ( que es al mismo tiempo la hipotenusa del triangulo recto OPA ) es igual a:

Hipotenusa = |Fr| = √ (50)² + (50)²

|Fr| = √2* (50)²

|Fr| = 50*√2  [N]

Answer:

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 4697 × 2

We have the final answer as

Hope this helps you

Answer:

C. It transforms electrical energy into mechanical energy

Answer: C

Explanation:

Answer:

3. blue sky

Explanation:

I answered blue sky on my quiz and got it correct.

Answer:

Blue Sky

Explanation:

I also took the test :)

Answer:

The velocity after 2.5 seconds is 11.3 m/s

Explanation:

Given;

u = 35.8 m/s

t = 2.50s

g = 9.8 m/s^2

Mathematically;

V = U-gt

Substituting these values;

V = 35.8-2.5(9.8)

V = 35.8-24.5

V = 11.3 m/s

Answer:

The resultant velocity of the helicopter is [tex]\vec v_{H} = \left(89.894\,\frac{m}{s}, -93.348\,\frac{m}{s}\right)[/tex].

Explanation:

Physically speaking, the resulting velocity of the helicopter ([tex]\vec v_{H}[/tex]), measured in meters per second, is equal to the absolute velocity of the wind ([tex]\vec v_{W}[/tex]), measured in meters per second, plus the velocity of the helicopter relative to wind ([tex]\vec v_{H/W}[/tex]), also call velocity at still air, measured in meters per second. That is:

[tex]\vec v_{H} = \vec v_{W}+\vec v_{H/W}[/tex] (1)

In addition, vectors in rectangular form are defined by the following expression:

[tex]\vec v = \|\vec v\| \cdot (\cos \alpha, \sin \alpha)[/tex] (2)

Where:

[tex]\|\vec v\|[/tex] - Magnitude, measured in meters per second.

[tex]\alpha[/tex] - Direction angle, measured in sexagesimal degrees.

Then, (1) is expanded by applying (2):

[tex]\vec v_{H} = \|\vec v_{W}\| \cdot (\cos \alpha_{W},\sin \alpha_{W}) +\|\vec v_{H/W}\| \cdot (\cos \alpha_{H/W},\sin \alpha_{H/W})[/tex] (3)

[tex]\vec v_{H} = \left(\|\vec v_{W}\|\cdot \cos \alpha_{W}+\|\vec v_{H/W}\|\cdot \cos \alpha_{H/W}, \|\vec v_{W}\|\cdot \sin \alpha_{W}+\|\vec v_{H/W}\|\cdot \sin \alpha_{H/W} \right)[/tex]

If we know that [tex]\|\vec v_{W}\| = 25\,\frac{m}{s}[/tex], [tex]\|\vec v_{H/W}\| = 125\,\frac{m}{s}[/tex], [tex]\alpha_{W} = 240^{\circ}[/tex] and [tex]\alpha_{H/W} = 325^{\circ}[/tex], then the resulting velocity of the helicopter is:

[tex]\vec v_{H} = \left(\left(25\,\frac{m}{s} \right)\cdot \cos 240^{\circ}+\left(125\,\frac{m}{s} \right)\cdot \cos 325^{\circ}, \left(25\,\frac{m}{s} \right)\cdot \sin 240^{\circ}+\left(125\,\frac{m}{s} \right)\cdot \sin 325^{\circ}\right)[/tex][tex]\vec v_{H} = \left(89.894\,\frac{m}{s}, -93.348\,\frac{m}{s}\right)[/tex]

The resultant velocity of the helicopter is [tex]\vec v_{H} = \left(89.894\,\frac{m}{s}, -93.348\,\frac{m}{s}\right)[/tex].

Answer:

magnitude = 13.02 m/s

direction = 86.9 degrees relative to ground.

Explanation:

We need to compose the velocities in perpendicular directions using the Pythagoras theorem to find the magnitude of the composition:

magnitude of new velocity: [tex]\sqrt{13^2+0.7^2} \approx 13.02\,\,m/s[/tex]

The direction will be given by the angle relative to ground using the arctan function:

[tex]\theta=arctan(\frac{13}{0.7}) =86.9^o[/tex]

Answer:

According to the Pythagorean theorem, the magnitude of the balloon’s velocity relative to the ground is = 13.02 ≈13.0 meters/seconds. The direction of the balloon relative to the ground is 3° northeast.

Explanation:

Plato/Edmentum

Answer:

Sonography- using sound waves to image internal structures

Brachytherapy-  Therapy where radiatio is placed inside or next to the diseased area

lithiotripsy- The physical breakage of stones by the application of pulsed ulrasound

radiopharmaceuticals-   internally delivered and targeted ionizing radiation

Explanation:

Answer:

Here are the answers :D

Explanation:

I just did it right now on Edg22 and I got it correct :D

Answer:

Total displacement

The displacement of the car is 10 kilometers due East and 5 kilometers due North.

The magnitude of the displacement of the car is approximately 11.180 kilometers.

Total distance

The total distance of the car is 15 kilometers.

Explanation:

According to the statement the car shows the following path, whose displacement is represented by the following formula: (All distances are measured in kilometers)

[tex]\vec r = \vec r_{1} + \vec r_{2}+\vec r_{3}[/tex] (1)

Where:

[tex]\vec r_{1}[/tex] - First displacement to the east.

[tex]\vec r_{2}[/tex] - Displacement to the north.

[tex]\vec r_{3}[/tex] - Second displacement to the east.

If we know that [tex]\vec r_{1} = (5,0)[/tex], [tex]r_{2} = (0,5)[/tex] and [tex]r_{3} = (5,0)[/tex], then the displacement of the car is:

[tex]\vec r = (10, 5)[/tex]

The displacement of the car is 10 kilometers due East and 5 kilometers due North.

The magnitude of the displacement represents the distance of the car from point of departure in a straight line and is determined by the Pythagorean Theorem:

[tex]\|\vec r\| = \sqrt{10^{2}+5^{2}}[/tex]

[tex]\|\vec r\| \approx 11.180\,km[/tex]

The magnitude of the displacement of the car is approximately 11.180 kilometers.

The distance travelled of the car is the sum of magnitudes of the displacement of the car, each of them are calculated by Pyhtagorean Theorem:

[tex]d = \|\vec r_{1}\| + \|\vec r_{2}\| + \|\vec r_{3}\|[/tex] (2)

[tex]d = 5\,km + 5\,km + 5\,km[/tex]

[tex]d = 15\,km[/tex]

The total distance of the car is 15 kilometers.

Answer:

400Pa

Explanation:

use pressure = force/area

[tex]\\ \rm\longmapsto Pressure=\dfrac{Force}{Area}[/tex]

[tex]\\ \rm\longmapsto Force=Pressure(Area)[/tex]

[tex]\\ \rm\longmapsto Force=200(0.5)[/tex]

[tex]\\ \rm\longmapsto Force=100N[/tex]

Answer:

Part A;

he mass of the object, m = 2 kg

The initial speed of the object, u = 3 m/s east

The final speed of the object, v = 7 m/s west

The initial kinetic energy of the object = 1/2 × m × u² = 1/2 × 2 × 3² = 9 Joules

The final kinetic energy of the object = 1/2 × m × v² = 1/2 × 2 × 7² = 49 Joules

Based on the change in the momentum produced by the force which changes the direction  of the object, we add the two energy quantities to get the total change in energy as follows;

The change in kinetic energy = 9 J + 49 J = 58 J

The statement is wrong because the change in momentum brought about by the force should be included when finding the the total change in kinetic energy of the object during the 5 seconds period

Part B;

The kinetic energy, K. E. = 1/2 × m × v²

The kinetic energy of the car A = 1/2 × 1000 × 6² = 18,000 J

The kinetic energy of the car B = 1/2 × 1600 × 8² = 51,200 J

The kinetic energy of the car C = 1/2 × 1200 × 8² = 38,400 J

The kinetic energy of the car D = 1/2 × 1600 × 4² = 12,800 J

Given that work required = Force × Distance, and the distance, is constant, we have;

The force required is directly proportional to the energy kinetic energy of the car that is to be stopped

Therefore, we have;

B = 1, C = 2, A = 3, and D = 4

The work needed to stop the car, W = The strength of the applied force, F × The given constant distance to stop, d

∴ W ∝ F.

Explanation:

Part A;

The mass of the object, m = 2 kg

The initial velocity of the object, u = 3 m/s east

The final velocity of the object, v = 7 m/s west

The initial kinetic energy of the object = [tex]1/2 * m * u^2 = 1/2 * 2 *3^2 = 9 \text{ Joules}[/tex]

The final kinetic energy of the object = [tex]1/2 * m * v^2 = 1/2 * 2 * 7^2 = 49 \text{ Joules}[/tex]

Based on the change in the momentum produced by the force which changes the direction  of the object, we add the two energy quantities to get the total change in energy as follows;

The change in kinetic energy = [tex]9 J + 49 J = 58 J[/tex]

The statement is wrong because the change in momentum brought about by the force should be included when finding the the total change in kinetic energy of the object during the 5 seconds period.

Part B;

The kinetic energy, K. E. = 1/2 × m × v²

The kinetic energy of the car A = [tex]1/2 * 1000 *6^2 = 18,000 J[/tex]

The kinetic energy of the car B = [tex]1/2 * 1600 * 8^2 = 51,200 J[/tex]

The kinetic energy of the car C = [tex]1/2 * 1200 * 8^2 = 38,400 J[/tex]

The kinetic energy of the car D =[tex]1/2 * 1600 * 4^2 = 12,800 J[/tex]

Given that work required = Force × Distance, and the distance, is constant, we have;

The force required is directly proportional to the energy kinetic energy of the car that is to be stopped

Therefore, we have;

B = 1, C = 2, A = 3, and D = 4

The work needed to stop the car, W = The strength of the applied force, F × The given constant distance to stop, d.

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Answer:

heterogeneous mixture has components that are not evenly distributed. This means that you can easily distinguish between the different components.

Answer:

0.5kg

Explanation:

Mass = Weight / Gravitational field strength

Mass = 4.9 / 9.8

Mass = 0.5

Answer:

0.035 J/g°C

Explanation:

From the question given above, the following data were obtained:

Heat (Q) absorbed = 2500 J

Mass (M) = 1.2 Kg

Initial Temperature (T₁) = 10 °C

Final Temperature (T₂) = 70 °C

Specific heat capacity (C) =?

Next, we shall determine the change in temperature. This can be obtained as follow:

Initial Temperature (T₁) = 10 °C

Final Temperature (T₂) = 70 °C

Change in temperature (ΔT) =

ΔT = T₂ – T₁

ΔT = 70 – 10

ΔT = 60 °C

Thus, the change in the temperature of the substance is 60 °C

Next, we shall convert 1.2 Kg to grams (g). This can be obtained as follow:

1 Kg = 1000 g

Therefore,

1.2 Kg = 1.2 Kg × 1000 g / 1 Kg

1.2 Kg = 1200 g

Thus, 1.2 Kg is equivalent to 1200 g.

Finally, we shall determine the specific heat capacity of substance. This can be obtained as follow:

Heat (Q) absorbed = 2500 J

Mass (M) = 1200 g

Change in temperature (ΔT) = 60 °C

Specific heat capacity (C) =?

Q = MCΔT

2500 = 1200 × C × 60

2500 = 72000 × C

Divide both side by 72000

C = 2500 / 72000

C = 0.035 J/g°C

Therefore, the specific heat capacity of the substance is 0.035 J/g°C

Answer:Galaxies

Explanation:

I know about this stuff, I hope it helped!

Answer:

B-galaxies

Explanation:

e2020

Answer:

5.672/s^2 is his acceleration

Explanation:

1 minute is equal to 60 seconds. Take that and divide 340.3 by that.

Answer:

their ability to conduct electricity

Answer:

The most abundant gas in Earth’s atmosphere is nitrogen, followed by oxygen, which is needed to burn wood and fuel. The third-most abundant gas is argon. The amount of carbon dioxide in the atmosphere is very small, making up just 0.33% of the atmosphere, but it is very important because plants use it to make simple sugars. Another important gas is water vapor, which condenses around small particles in the atmosphere to form clouds and then rain.

Explanation:

The atmospere of the earth is made up of different types of gases like Nitrogen, oxygen, Carbon di oxide etc.

Atmosphere is defined as the envelope of the gases covered the whole planet of earth and is responsible to save us from ultravoilet rays and entrape the radiation to maintain the ideal temperature on the surface of earth by green house effect.

The most abundant gas in Earth’s atmosphere is nitrogen, followed by oxygen, which is needed to burn wood and fuel. The third-most abundant gas is argon.

The amount of carbon dioxide in the atmosphere is very small, making up just 0.33% of the atmosphere, but it is very important because plants use it to make simple sugars.

Another important gas is water vapor, which condenses around small particles in the atmosphere to form clouds and then rain.

To know more about Atmosphere follow

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Answer:

The correct option is thermogram

Explanation:

A thermogram is an image that is produced by thermographic cameras that are usually used to detect radiation (thermal energy released by a body) within a long-infrared range of electromagnetic spectrum. This process is a part of infrared imaging science which is useful in the diagnosis of breast cancer and some other forms of tumors.

Answer:

thermogram

Explanation:

i took the test

Explanation:

According to the Second Law of Thermodynamics, heat will always flow spontaneously from hot to cold, and never the other way around. A refrigerator causes heat to flow from cold to hot by inputting work, which cools the space inside the refrigerator. thermal energy is transferred from the cool air inside the refrigerator to the warmer air in the kitchen. ... As a liquid, the refrigerant absorbs thermal energy from the cool air inside the refrigerator and changes to a gas.

Answer:

The Force between the two charges is an attractive force of 16,000N

Explanation:

Expression for the electric force between the two charges is given by

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

Here, k = constant = 9 x 10^9 N*m^2 / C^2

q1 = - 2.0x10^-4C

q2 = + 8.0x10^-4C

r = 0.30 m

Substitute the given values in the above expression -

One charge  is + and the other is a -, therefore the net force is an attractive force (opposites atract)

The attraction force is:

F= 9.0x10^9 * 2.0x10^-4 *8.0x10^-4 N/ 0.30^2

F= 16,000N

The force between the two charges will be 16,000 N.It is the force exerted by one charge on another charge.

The electric force between the two charges is directly propotional to the product of the charge and inversly propotional to the square of the distance between them.

The given data in the problem is;

q₁ is the megnitude of charge 1= - 2.0x10⁻⁴ C

q₂ is the megnitude of charge 2 = + 8.0x10⁻⁴ C

k is the propotionallity constant = 9 x 10⁹ Nm² / C²

r is the seperated distance = 0.30 m

F is the electric force=?

The electric force is found as;

[tex]\rm F = \frac{K q_14q_2}{r^2} \\\\ \rm F = \frac{9 \times 10^9 \times 2.0 \times 10^{-4}}{(0.30)^2} \\\\ \rm F = 16,000N[/tex]

Hence the force between the two charges will be 16,000 N.

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D. 18.1

K^+H^+G^=180° (sum of int angles of triangle)

K^+30+62=180

K^=88°

GH/sinK=KG/sinH

X/sin88=16/sin62

X*sin62/sin62=16*sin88/sin62

X=18.1

Answer:

The analysis for the particular situation is described elsewhere here.

Explanation:

Answer:

You use a force of 150 N to push a 30 kg crate across the floor for a distance of 10 m. If the crate is moving at a speed of 5 m/s…

Answer:

The closer a planet is to the Sun, the stronger the Sun's gravitational pull on it, and the faster the planet moves. The farther it is from the Sun, the weaker the Sun's gravitational pull, and the slower it moves in its orbit.

Answer:

diaetes

Explanation:

Answer:

A:  In an adiabatic process, no heat enters or leaves the system

Answer:

Sabemos que:

La masa del trozo de hielo es 500g

la velocidad inicial es 20 m/s

el coeficiente de fricción es 0.04

a) La fuerza de rozamiento de un objeto de masa M es escrita como:

F = M*g*μ

Y es en dirección opuesta al movimiento del objeto, entonces la rescribimos como:

F = -M*g*μ

Donde M es la masa del objeto, 500g, es útil escribirla en kilogramos, entonces podemos escribir M = 500g = 0.5 kg

g es la aceleración de la gravedad:

g = 9.8m/s^2

y μ es el coeficiente de fricción, en este caso es 0.04

Entonces la fuerza de fricción es:

F = -0.5kg*9.8m/s^2*0.04 = -0.196 N

b) Ahora queremos la aceleración, tenemos la segunda ley de Newton que dice:

F = M*a

-0.196 N = 0.5kg*a

(-0.196 N)/0.5kg = a = -0.392 m/s^2

c) Primero debemos escribir la ecuación de movimiento.

La aceleración es:

a = -0.392 m/s^2

Para obtener la velocidad, debemos integrar sobre el tiempo para obtener.

v(t) = (-0.392 m/s^2)*t + v0

Donde v0 es la velocidad inicial, en este caso 20m/s

Entonces la ecuación es:

v(t) = (-0.392 m/s^2)*t + 20m/s

Recordemos que esta fuerza solo actua mientras el objeto se mueva, esto significa que cuando la velocidad sea igual a cero, la fuerza desaparece, por lo tanto el objeto se detiene.

Entonces podemos obtener el valor de t para el cual la velocidad es igual a cero.

v(t) = 0 = (-0.392 m/s^2)*t + 20m/s

(0.392 m/s^2)*t  = 20m/s

t = 20m/s/(0.392 m/s^2) = 51.02 s

Esto significa que el objeto se va a mover por 51.02 segundos antes de detenerse totalmente.

Ahora, la ecuación de la posición puede obtenerse si integramos la ecuación de la velocidad, así obtenemos:

p(t) =  (1/2)*(-0.392 m/s^2)*t^2 + 20m/s*t + p0

donde p0 es la posición inicial del objeto.

Ahora, el espacio total recorrido por el trozo de hielo va a ser igual a la diferencia entre la posición final y la posición inicial, esto es:

D = p(51.02s) - p(0s)

D = ((1/2)*(-0.392 m/s^2)*(51.02s)^2 + 20m/s*51.02s + p0) - ((1/2)*(-0.392 m/s^2)*(0s)^2 + 20m/s*(0s) + p0)

D = (1/2)*(-0.392 m/s^2)*(51.02s)^2 + 20m/s*51.02s = 510.20 m

El trozo de hielo se mueve por 510.20 metros.

Answer:

As a substance freezes, its particles lose some of their freedom of motion and become more orderly.

Explanation:

Answer:

They get closer and slow down

Explanation:

Explanation:

The mass of a cylinder made of barium with a height of 2 inches depends on the radius of the cylinder as defined by the

function m(r) = 7.18872.

which system of equations and solution can be used to represent the radius if the mass of the cylinder is 11,000 grams?

round to the nearest hundredth of an inch.

Explanation:

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