For steam at 500 degree C and 10 MPa, using the Mollier diagram, a. Compute the Joule-Thomson coefficient mu = (partial differential T/partial differential P)s. b. Compute the coefficient k_S = (partial differential T/partial differential P)s.

Answer:

3.6 N

Explanation:

The magnitude of centripetal force in this case is equal to the magnitude of tension in the spring.

The formula is :

T= mv²/r ------where T is tension

m= mass of object =0.8 kg

v= velocity of object {tangential velocity} = 3.0 m/s

r= length of string = 2m

Applying the formula with real values;

T= mv²/r

T= {0.8 * 3²} / 2

T= { 7.2}/2 = 3.6 N

Answer:

P = d g h      pressure due to density of liquid of height h

d1 g h1 = d2 g h2       since P1 equals P2

d1 h1 = d2 h2      and the density of Hg is 13.6 times that of water

h2 = (d1 / d2) * h1 = 13.6 * 70 cm =  952 cm or 9.52 m

The difference in the mass of carbon dioxide in 500 kg of air in 2013 compared to 1800 is 0.06 Kg

Mass = percent × mass of air

Mass of CO₂ = 0.028% × 500

Mass of CO₂ = 0.14 Kg

Mass = percent × mass of air

Mass of CO₂ = 0.040% × 500

Mass of CO₂ = 0.2 Kg

Difference = mass in 2013 - mass in 1800

Difference = 0.2 - 0.14

Difference = 0.06 Kg

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The problem can be solved by applying the conservation of momentum and projectile motion equations. The other fragment lands at a distance equal to half the range of the projectile, which can be calculated using the horizontal component of the initial velocity and the time of flight.

The momentum of the shell is given by the product of its mass and velocity. After the explosion, the momentum of the system is conserved, and the two fragments move in opposite directions with equal and opposite momenta. Since one fragment falls vertically with zero initial velocity, the other fragment must have the same magnitude of momentum but in the horizontal direction.

Using the projectile motion equations, we can calculate the time of flight and the maximum height reached by the shell. The time taken for the shell to reach its maximum height is equal to half the total time of flight, and the distance traveled horizontally during this time is equal to half the range of the projectile.

Therefore, the distance that the other fragment lands from the gun is half the range of the projectile, which can be calculated using the horizontal component of the initial velocity and the time of flight.

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The statement which is false is as follows:

Thus, the correct option for this question is D.

Friction may be defined as a type of force that resists the sliding or rolling of one solid object over another through the surface that acts on it.

Friction is a force that takes place as the resistance of motion when one object rubs over another. Friction force always opposes the motion along with air resistance.

Friction can also be somehow reduced with the impact of lubrication over the rubbing surface. It is true that air resistance is greater the faster the object is traveling.

Air resistance does not depend on the blowing of the wind. It does not mean that if there is no wind blowing, the air resistance is negligible.

Therefore, the correct option for this question is D.

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Main answer-

PE=mgh

KE=E-PE

V = (2*g*h)^½

at point A

PE = 10*9.8*50=4900 J

KE = 0 J  ( because the velocity of the body is 0)

V=0

at point B

PE = 10*9.8*35=3430 J

KE = 4900-3430=1470 J

V= ( 2*9.8*15)^ ½

V=17.14 m/s

at point C

PE= 10*9.8*25=2450 J

KE=4900-2450=2450 J

V= (2*9.8*25)^ ½

V=22.135 m/s

at point D

PE=10*9.8*0=0 J

KE=4900-0=4900 J

V=(2*9.8*50)^ ½

V=31.30 m/s

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The gravitational force between the two spheres of mass 1 kg will be 1.6675 × 10⁻¹¹ Newtons.

The gravitational force could be described as a force of attraction or the attractive force which attracts all the physical forms which are having some mass. Gravitational force is by far the weakest recognized natural force on this planet.

F = Gm₁m₂/ r²

F = Gravitational force,

G = Gravitational constant,

m₁ and m₂ are the masses of the two objects,

r is the distance between the two objects.

F = Gm₁m₂/ r²

F = 6.67 × 10⁻¹¹ × 1 × 1/ (2)²

F = 6.67 × 10⁻¹¹/ 4

F = 1.6675 × 10⁻¹¹ N

Therefore, the gravitational force will be 1.6675 × 10⁻¹¹ Newtons.

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Answer:

Thermal energy and Mechanical

Explanation:

The particle with a charge of 14μC experiences a force of 2.2 × 10⁻⁴ N when it moves at right angles to a magnetic field with a speed of 27 m/s. When the particle moves with a speed of 6.3 m/s at an angle of 25° relative to the magnetic field, it will experience a force of 3.11 × 10⁻⁷ N.

                         F = qvBsinθ

Where F is the force, q is the charge, v is the velocity, B is the magnetic field strength, and θ is the angle between the velocity and the magnetic field.

In this case, we know the charge (q = 14μC), the force when the particle moves at right angles to the magnetic field (F = 3.11x10-7 N.), and the speed when the particle moves at right angles to the magnetic field (v = 27 m/s). We can use this information to find the magnetic field strength (B).

2.2 × 10⁻⁴4 N = (14μC)(27 m/s)Bsin90°

                  B = (2.2x10-4 N)/((14μC)(27 m/s))

                  B = 5.95x10-7 T

Now we can use this value of B to find the force experienced by the particle when it moves with a speed of 6.3 m/s at an angle of 25° relative to the magnetic field.

F = (14μC)(6.3 m/s)(5.95 × 10⁻⁷T)sin25°
F = 3.11 × 10⁻⁷ N

Therefore, the force experienced by the particle when it moves with a speed of 6.3 m/s at an angle of 25° relative to the magnetic field is 3.11 × 10⁻⁷ N.

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The total mechanical energy of the system change into its motion as the ball rolls down the ramp.

As the ball rolls down on the ramp, the potential energy is converted to kinetic energy. If there is no friction, all of the energy is converted into kinetic energy which leads to increase in the motion of the ball.

So we can conclude that the total mechanical energy of the system change into its motion as the ball rolls down the ramp.

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The case of ethyl alcohol and carbon tetrachloride, the ratio vct/vea is 1.225, indicating that the speed of light is faster in ethyl alcohol than in carbon tetrachloride.

The ratio vct/vea of the speeds of light when it passes through ethyl alcohol and carbon tetrachloride can be calculated using the formula v = c/n, where c is the speed of light in a vacuum and n is the refractive index of the material.

Therefore, vct/vea = n(ea)/n(ct) = 1.531/1.249 = 1.225.

This means that the speed of light is about 1.225 times faster in ethyl alcohol than in carbon tetrachloride.

The ratio vct/vea of the speeds of light passing through ethyl alcohol and carbon tetrachloride can be calculated using the formula v = c/n, where c is the speed of light in a vacuum and n is the refractive index of the material. The speed of light in carbon tetrachloride is slower than in ethyl alcohol due to its higher refractive index. Thus, the ratio vct/vea is 1.531/1.249 = 1.225, which means that the speed of light is about 1.225 times faster in ethyl alcohol than in carbon tetrachloride.

The speed of light changes when it passes through different materials with varying refractive indices. In the case of ethyl alcohol and carbon tetrachloride, the ratio vct/vea is 1.225, indicating that the speed of light is faster in ethyl alcohol than in carbon tetrachloride.

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Answer:

Because they have already made an impact within our atmosphere

Answer:

Go ogle

Explanation:

lol :)))))))))))))))

Ek = 1/2 mv^2

= 1/2 × 5 × (25)^2

= 1562.5 J

Answer:

Excess currency after a series of deals or fees.

Explanation:

Let's put profit in perspective by using an example. For example, let's say you spend 72 dollars to build a certain product, then you sell that same product to your friend for 116 dollars. It costed 72 dollars to build that product and you sold it for 116, after subtracting the costs for building the product the excess currency is what you would call profit. Profit is your overall goal when running a business, you want to sell a product and make profit from it.

Hope this helps.

profit is your gain on any problem,situation or opportunity given to you

Answer:

Explanation:

1)Melting:

Melting is the process by which a substance changes from the solid phase to the liquid phase. ... Melting occurs when the internal energy of a solid increases, usually through the application of heat or pressure, such that the molecules become less ordered.

2) liquefication:

In physics and chemistry, the phase transitions from solid and gas to liquid (melting and condensation, respectively) may be referred to as liquefaction. The melting point (sometimes called liquefaction point) is the temperature and pressure at which a solid becomes a liquid.

3) vaporization:

Vaporization, conversion of a substance from the liquid or solid phase into the gaseous (vapour) phase. If conditions allow the formation of vapour bubbles within a liquid, the vaporization process is called boiling. Direct conversion from solid to vapour is called sublimation.

4) Sublimation occurs as molecules of a substance in the solid state go to the vapor state directly, rather than through the liquid state. ... ⭕In terms of the kinetic molecular theory, we know that molecules are in constant random motion, even when the substance is below the melting point.

Answer:

Answer:

304

Explanation:Answer:

Answer:

It depends on where the arrow is showing  / direction of the resultant force.

Add for vectors in same direction, ie., 5N + 4N=9N

(arrow pointing in same direction)

Minus for different directions, ie., 5N - 4N=1N

(arrow pointing in opposite direction)

Hope this helps!

Further examples:

6N           46N

-------->   ----->

(6+4=10N)

5N            4N

<------------  ------>

(5-4=1N)

or

8N                6N

-------------->  <--------

(8-6=2N)

Answer:

Your answers are Continental crust and Mountain range.

Explanation:

Continental crust is the first blank, and Mountain range the second.

I hope I helped, and I always appreciate Brainliest!!! :)

For a volume of 5 cm³, the mass of the copper is 45 g.

For a mass of 63g, the volume of the copper is 7g/cm³.

The mass of the copper is calculated by applying the following formula as shown below;

density = mass / volume

mass = density x volume

volume = mass / density

For a volume of 5 cm³, the mass of the copper is calculated as;

mass = 9 g/cm³ x 5 cm³

mass = 45 g

For a mass of 63g, the volume of the copper is calculated as;

volume = 63g / 9g/cm³

volume = 7 g/cm³

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The acronym MIS stands for Management Information System. The responsibility for ensuring the speed, accuracy, availability, and reliability of the MIS lies with the IT department or the MIS department within an organization. These departments are typically responsible for the implementation, maintenance, and management of the MIS.

They ensure that the system operates smoothly and efficiently by monitoring its performance, resolving any issues or glitches, and ensuring the security of data. Additionally, they are also responsible for providing technical support to users, conducting regular backups, and implementing necessary updates or upgrades to keep the MIS running effectively.

The acronym MIS stands for Management Information System. The responsibility for ensuring the speed, accuracy, availability, and reliability of the MIS lies with the IT department or the MIS department within an organization. These departments are typically responsible for the implementation, maintenance, and management of the MIS.

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Answer:

Radiation travels by Waves!!

Explanation:

BONUS:Thermal radiation is a longitudinal wave.

Hope this helped

Answer:

Radiation transfers   energy by  ⇒ electromagnetic  waves. These waves transfer energy from a warmer object to a cooler object, with or without  ⇒ matter .

Explanation:

edge2022

The direction of the total force on charge 1 is in positive x-direction and the magnitude is 7.94 N.

The total force on charge 1 due to the other two charges can be found by calculating the electrostatic force between charge 1 and each of the other charges, and then adding the two forces as vectors.

The electrostatic force between two point charges q1 and q2 separated by a distance r is given by Coulomb's law:

\(F=k \frac{q_{1}q_{2} }{r^{2} }\)

where k is Coulomb's constant and equal to 9 x 10⁹ Nm²/C².

Since they have opposite signs, the force between charge 1 and charge 2 is attractive.

Given, distance between them, r₁₂ = 7.5 cm = 0.075 m

∴ The magnitude of the force is:

|F₁₂| = {k * |q₁| * |q₂|} / r₁₂²

      = [(9 x 10⁹ Nm²/C²) * (2.1 μC) * (3.2 μC)] / (0.075 m)²

      = 10.75 N.

The direction of the force is towards charge 2, which is in the positive x-direction.

Since they have the same sign, the force between charge 1 and charge 3 is repulsive.

Given, distance between them, r₁₃ = 11 cm = 0.11 m

∴ The magnitude of the force is:

|F₁₃| = {k * |q₁| * |q₃|} / r₁₃²

      = [(9 x 10⁹ m²/C²) * (2.1 μC) * (1.8 μC)] / (0.11 m)²

      = 2.81 N.

The direction of the force is towards charge 3, which is in the negative x-direction.

Total force or Net force on charge 1;

|F| = |F₁₃| - |F₁₂|

    = 10.75 N - 2.81 N (∵ both the forces are in opposite direction)

    = 7.94 N

Therefore, the direction of the total force is in the positive x-direction i.e., towards charge 2.

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To find the total force exerted on charge 1, we need to calculate the individual forces between charge 1 and charges 2 and 3, and then add them vectorially.

The formula to calculate the electrostatic force between two point charges is given by Coulomb's Law:

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

where:

- F is the magnitude of the force

- k is the electrostatic constant (k ≈ 9 × 10^9 N m^2/C^2)

- q1 and q2 are the magnitudes of the charges

- r is the distance between the charges

Let's calculate the forces:

For charge 1 and charge 2:

q1 = -2 μC (converted to Coulombs: -2 * 10^-6 C)

q2 = 2 μC (converted to Coulombs: 2 * 10^-6 C)

r = 7.5 cm (converted to meters: 7.5 * 10^-2 m)

Using Coulomb's Law, we can calculate the force between charge 1 and charge 2:

F1-2 = (k * |q1 * q2|) / r

F1-2 = (9 * 10^9 N m^2/C^2) * (|-2 * 10^-6 C * 2 * 10^-6 C|) / (7.5 * 10^-2 m)^2

Calculating this expression yields the magnitude of the force between charge 1 and charge 2.

Now, let's calculate the force between charge 1 and charge 3:

q3 = -1.8 μC (converted to Coulombs: -1.8 * 10^-6 C)

r = 11 cm (converted to meters: 11 * 10^-2 m)

Using Coulomb's Law, we can calculate the force between charge 1 and charge 3:

F1-3 = (k * |q1 * q3|) / r²

F1-3 = (9 * 10^9 N m^2/C^2) * (|-2 * 10^-6 C * -1.8 * 10^-6 C|) / (11 * 10-²m)²

Calculating this expression yields the magnitude of the force between charge 1 and charge 3.

Finally, to find the total force exerted on charge 1, we need to add the forces F1-2 and F1-3 vectorially. Since charge 2 is at a positive x-coordinate and charge 3 is at a negative x-coordinate, the forces will have opposite directions. Therefore, we subtract the magnitudes of the forces:

F_total = F1-2 - F1-3

Now you can perform the calculations to find the magnitude and direction of the total force exerted on charge 1.

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Answer:

60

Explanation:

(hint: speed = distance/time)

The average speed for this trip will be \(\rm 60 mile\ hr^{-1}\). The ratio of the total distance and time is average velocity.

The total distance traveled by an object divided by the total time taken is the average speed.

The average speed of an object indicates the pace at which it will traverse a distance. The metric unit of speed is the meter per second.

The given data in the problem is;

t is the time taken = 5 hour

d is the distance tyravelled=300 miles

The average velocity is found as;

\(\rm v_{avg} = \frac{d_{total}}{t{total}} \\\\\ \rm v_{avg} = \frac{300}{5} \\\\ \rm v_{avg} = 60 mile\ hr^{-1}\)

Hence the average speed for this trip will be \(\rm 60 mile\ hr^{-1}\)

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The solid sphere and the hollow sphere will have different rolling motions due to their different moments of inertia. The moment of inertia of a solid sphere is greater than that of a hollow sphere with the same mass and radius because the solid sphere has more mass distributed further from its axis of rotation.

As a result, the solid sphere will roll slower than the hollow sphere, but will have more rotational energy and be able to roll farther up the hill due to its greater inertia.

Therefore, the solid sphere will roll farther up the hill than the hollow sphere, even though they have the same mass and radius and are rolling with the same forward speed V.

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To find the magnitude of a vector with components a_x = 10 m and a_y = 5.0 m, you can follow these steps:

1. Identify the components of the vector: In this case, the components are a_x = 10 m and a_y = 5.0 m.

2. Use the Pythagorean theorem to find the magnitude: The magnitude of a vector can be found using the formula: magnitude = √(a_x²+ a_y²).

3. Plug in the values of the components: magnitude = √((10 m) ²+ (5.0 ²).

4. Calculate the magnitude: magnitude = √(100 m² + 25m ²). = √(125 m²).

5. Simplify the result: magnitude = √(125 m²) = 5√5 m.

So, the magnitude of the vector with components a_x = 10 m and a_y = 5.0 m is 5√5 m.  

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Answer:

a

Explanation:

The true statements are:Jupiter's Great Red Spot is in the southern hemisphere.The fastest wind speed recorded in our solar system is on Neptune.

Among the given statements, only two are true. Jupiter's Great Red Spot, a massive storm, is indeed located in the southern hemisphere of the planet. The Great Red Spot is a prominent feature on Jupiter, visible as a giant swirling storm system. On the other hand, the fastest wind speed recorded in our solar system, reaching speeds of up to 2,100 kilometers per hour (1,300 miles per hour), is found on Neptune.

The strong winds on Neptune contribute to its dynamic atmosphere and the formation of features like the Great Dark Spot. The remaining statements about Pluto, Saturn's moon Enceladus, and Uranus are not true according to our current understanding.

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To calculate the resistance of the lamp, we can use Ohm's law which states that resistance (R) is equal to voltage (V) divided by current (I): R = V/I.

First, we need to calculate the current by dividing the power (in watts) by the voltage:

I = P/V = 150/120 = 1.25 A

Now we can use Ohm's law to find the resistance:

R = V/I = 120/1.25 = 96 ohms

Therefore, the correct answer is B) 96 ohms.

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density(ρ) = mass (m) : volume (V)