the pressure of the gas is increased ten times. now what is the temperature, in kelvin, of the gas?

Answer:

B; Linear

Explanation:

A baseball is thrown vertically upward and feels no air resistance. As it is rising its momentum is not conserved, but its mechanical energy is conserved.

Momentum may be defined as a unique property of a moving body that the body has by virtue of its mass and motion and that is equal to the product of the body's mass and velocity.

According to the context of this question, as an object typically moves along the vertical direction, the gravitational potential energy, and the kinetic energy change. So, due to this, its momentum is not conserved, but its mechanical energy is conserved.

Therefore, a baseball is thrown vertically upward and feels no air resistance. As it is rising its momentum is not conserved, but its mechanical energy is conserved.

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Answer:

i found this i hope it helps

Explanation:

The magnitude of this force depends upon the mass of each object and the distance between the centers of the two objects. Mathematically, we say the force of gravity depends directly upon the masses of the objects and inversely upon the distance between the objects squared.

True. The speed of a tsunami is determined by the size and location of the earthquake that generates it.

Typically, a tsunami can travel at speeds of 500 to 600 miles per hour (800 to 970 kilometers per hour) in the open ocean. However, the speed and height of a tsunami can change as it approaches shallow water and interacts with the seafloor and coastline.

It is important to note that not all earthquakes produce tsunamis, and not all tsunamis are caused by earthquakes - they can also be triggered by volcanic eruptions, landslides, and other events that displace large volumes of water.

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If the resistance remains constant and the voltage doubles, the power will increase by a factor of 4 (option E)

The following data were obtained from the question:

P = V² / R

Resistance is constant, we have

V₁² / P₁ = V₂² / P₂

V² / P = (2V)² / P₂

V² / P = 4V² / P₂

Cross multiply

V² × P₂ = P × 4V²

Divide both side by V²

P₂ = P × 4V² / V²

P₂ = P × 4

From the above, we can conclude that the power will increase by a factor of 4 (option E)

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Answer:

To find the resonance frequency of a series RLC circuit, we can use the formula:

f = 1 / (2π√(LC))

Where:

f = Resonance frequency

L = Inductance in henries

C = Capacitance in farads

π = 3.14159...

In this case, we are given the resistance and inductive impedance of the coil, but not its inductance. However, we know that the inductive impedance of a coil is given by:

XL = 2πfL

Where:

XL = Inductive impedance

f = Frequency

L = Inductance in henries

π = 3.14159...

At resonance, the inductive impedance of the coil will equal the capacitive reactance of the capacitor:

XL = XC

Where:

XC = Capacitive reactance

XC = 1 / (2πfC)

Substituting XL and XC into the equation above, we get:

2πfL = 1 / (2πfC)

Simplifying this equation, we get:

f = 1 / (2π√(LC))

Where:

L = XL / (2πf) = 65Ω / (2πf)

C = 49µF = 49 × 10^-6F

Substituting these values into the resonance frequency equation, we get:

f = 1 / (2π√(65Ω/(2πf) × 49 × 10^-6F))

Simplifying this equation, we get:

f = 1 / (2π√((3.385 × 10^-6)/f))

Multiplying both sides by 2π√((3.385 × 10^-6)/f), we get:

2π√((3.385 × 10^-6)/f) × f = 1

Squaring both sides, we get:

4π^2(3.385 × 10^-6)/f = 1

Solving for f, we get:

f = √((4π^2 × 3.385 × 10^-6))

f ≈ 1369 Hz.

Therefore, the resonance frequency of the circuit is approximately 1369 Hz.

Answer:

20.96 m/s

Explanation:

Apply the kinematic equation:

Vf=Vi+at

Vi=8m/s

a=1.8m/s^2

t=7.2s

Putting this all in should give you your answer of 12.96m/s

To find the current in the resistor, we can use Ohm's Law and the concept of equivalent resistance. Thus, option A is correct.

First, let's calculate the equivalent resistance of the three cells connected in parallel. When resistors are connected in parallel, the reciprocal of the equivalent resistance is equal to the sum of the reciprocals of the individual resistances:

1/Req = 1/R1 + 1/R2 + 1/R3

Given that R1 = R2 = R3 = 22 Ω (internal resistance of each cell), we can substitute the values:

1/Req = 1/22 + 1/22 + 1/22

1/Req = 3/22

Taking the reciprocal of both sides, we find:

Req = 22/3 Ω

Now we can use Ohm's Law to calculate the current (I) in the resistor. Ohm's Law states that the current flowing through a resistor is equal to the voltage across it divided by its resistance:

I = V/R

Given that V = 1.1 V (emf of each cell) and R = 32 Ω (resistance), we can substitute the values:

I = 1.1/32

Calculating this value, we find:

I ≈ 0.034375 A

Therefore, the current in the resistor is approximately 0.034375 A.

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Answer:

Tim has a higher potential energy than Joe.

Explanation:

The higher an object or an organism is, the more potential energy it has

Answer:

(a). The relative humidity is 20.57%

(b). The dew point is 79.114°F

(c). It take for the air to reach saturation is 17 hours.

(d). The water is 7.6g/kg.

Explanation:

Given that,

Temperature = 35°

Mixing ratio = 7.6 g/kg

(a). We need to calculate the relative humidity

Using formula of relative humidity

\(relative humidity=\dfrac{mixing\ ratio}{36}\times100\)

\(relative humidity=\dfrac{7.6}{36.94}\times100\)

\(relative humidity=20.57\%\)

(b). We need to calculate the dew point

Using formula of dew point

\(dew\ point=T^{\circ}F-\dfrac{(100-relative\ humidity)}{5}\)

Put the value into the formula

\(dew\ point=95-\dfrac{100-20.57}{5}\)

\(dew\ point=79.114^{\circ}F\)

(c). If the room temperature decreases by 5°C per hour

We need to calculate the time

Using formula of time

\(t=\dfrac{T_{a}-increase\ temperature}{5}\)

Put the value into the formula

\(t=\dfrac{95-10}{5}\)

\(t=17\ hours\)

(d). If the temperature of the room continues to decrease for one more hour,

We need to calculate the how many grams of water vapor

Using given data

The water of 7.6g/kg vapour will have to condense out of air for the maintain relative humidity at 100%

Hence, (a). The relative humidity is 20.57%

(b). The dew point is 79.114°F

(c). It take for the air to reach saturation is 17 hours.

(d). The water is 7.6g/kg.

Answer:

temp: 35° c (95°f)

MR:7.6

SMR: 36.5

RH: 21% (20.82)

Dew Point: 10° C 

5°c per hour: 5 hours for the 35°c air temp to reach the 10°c dew point

1 more hour: Temperature will decrease to 5°c, half the water molecules dewpoint "size" I view it as, and 3.8g/kg of water vapour has condensed out

so

1. 21%

2. 10° C 

3. 5 hours

4. 3.8g/kg

Answer:

8-5=3

The bigger force is to the left

3N to the left

Explanation:

The volume of a unit cell is 4.3 × 10⁻¹⁰ pm³.

We need to start with the features of a face-centered cubic system in order to be able to determine the edge length of the unit cell.

As we know, a face-centered cubic system is characterized by a unit cell that has a total of 14 lattice points.

Now, these lattice points will contain

Assume that r is the edge length of the unit cell and that r is the radius of an iron atom. You'll see that we can represent x in terms of the cell's diagonal, d, using Pythagoras' Theorem.

        \(d^2 = x^2+ x^2\)

        \(d^2=2x^2\)

The cell's diagonal will be equal to one radius from the atom in the top corner, two from the atom in the face, and one from the atom in the lower corner.

\(d= r+2r+r = 4r\)

This means that we have,

\((4r)^2=2x^2\)

\(16.r^2 = 2x^2 \\x=\sqrt{8r^2}\)

This is equivalent to

\(x=2\sqrt{2} r = 2\sqrt{2} .124= 350.7 pm\)

So, the edge length of the unit cell is equal to 350.7 pm.

The volume of a unit cell. As we know, the volume of a cube is given by the formula

V = \(l\) × \(l\) × \(l\)

\(l\) = the edge length of the cube

Volume = (350.7)³ pm³

            = 4.3 × 10⁻¹⁰ pm³

            = 4.3e-30 cm³

Therefore, the volume of the unit cell is 4.3 × 10⁻¹⁰ pm³.

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The center of mass of the system is located at (1.0 m, -0.33 m).

The center of mass of a system is the point at which the system can be balanced. To find the location of the center of mass, we need to consider the masses and their respective positions. In this case, we have three masses: 1.0 kg at (0, 0), 2.0 kg at (1.0 m, 1.0 m), and 3.0 kg at (2.0 m, -2.0 m).

To determine the center of mass, we calculate the weighted average of the positions of the masses, where the weights are given by the masses themselves. We multiply each mass by its respective position and then sum these values for all the masses. Finally, we divide the sum by the total mass of the system.

Using the given values, we can calculate the center of mass as follows:

(1.0 kg * (0, 0) + 2.0 kg * (1.0 m, 1.0 m) + 3.0 kg * (2.0 m, -2.0 m)) / (1.0 kg + 2.0 kg + 3.0 kg) = (1.0 m, -0.33 m).

Therefore, the center of mass of the system is located at (1.0 m, -0.33 m).

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The distance between first airplane and second airplane after 1.8 hours of their departure is 1598.22 meters.

The cosine formula for vector addition is -

|R|² = |A|² + |B|² + 2AB cosφ

Where - φ is the angle between vectors A and B.

Given is two airplanes that leave the airport at same time. The velocity of the first airplane is 690 m/h at a heading of 68.5°. The velocity of the second airplane is 590 m/h at a heading of 156°.

The length of the position vector of first airplane →

|OA| = velocity x time = 690 x 1.8 = 1242 miles.

The length of the position vector of second airplane →

|OB| = velocity x time = 590 x 1.8 = 1062 miles

Angle between vectors OA and OB →

φ = 156° - 68.5° = 87.5°

In the triangle ΔOAB, using the triangle law of vector addition, we get →

OA + AB = OB

AB = OB - OA

AB = OB + (- OA)

Now, using the formula for resultant of addition of two vectors →

AB² = (OB)² + (- OA)² + 2(OA)(- OB) cosφ

AB² = OB² + OA² + - 2(OA)(OB)cosφ

AB² = 11,27,844 + 15,42,564 - 2 x 1242 x 1062 x cos(87.5°)

AB² = 11,27,844 + 15,42,564 - 2 x 1242 x 1062 x 0.044

AB² = 26,70,408 - 1,16,072.352 = 25,54,335.648

AB = √25,54,335.648

AB = 1598.22 meters

Hence, the distance between first airplane and second airplane after 1.8 hours of their departure is 1598.22 meters.

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Answer:

it is placed 9th in the periodic table

it is in the the 7th column and the 2nd period

it is a gas

it valence shell has 7 electrons and it can take 1 electron during ionic bonding

Explanation:

this is all that can into my mind. hope it helps

Answer:

Yes, when the velocity of the object is negative.

Explanation:

In position and time graphs, the slope of line indicates the velocity. Therefore negative slope of a position-time graph actually indicates negative velocity. Negative velocity is defined as the velocity of the object moving in an opposite direction.

The time graph reveals pertinent information about an object's velocity. For example, a small slope means a small velocity; a negative slope means a negative velocity; a constant slope (straight line) means a constant velocity; a changing slope (curved line) means a changing velocity.

The magnetic field strength with a factor of k³ is 64 Gauss at a distance of 10 cm, then the magnetic field strength at a distance of 20 cm = 8 Gauss.

One of the most fundamental ways to gauge the strength of the magnetic field is to utilize a physical quantity known as magnetic field strength.

The strength of a magnetic field at a point produced by a straight current-carrying conductor depends on the amplitude of the electric current and the perpendicular distance between the point and the conductor.

Since the magnet's strength diminishes as the inverse cube of the distance, it follows that:

= 64 x 1/ (\(\frac{20}{10}\))³

= 64 x \(\frac{1}{2}\) ³

= 8 Gauss

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Answer:

If the charges have the same sign, so that qsqt>0, then the potential energy decreases as the charges separate; if the charges have opposite sign, the potential energy increases from negative infinity.

Explanation:

I hope this answered your question!

The mean free time between collisions for aluminum wire is

1.62 * 10^-20 s and the mean free time between collisions for Iron is

1.68 * 10^-20 s.

Electrons are subatomic particles that carry a negative electrical charge. They are found outside the nucleus of an atom and are responsible for chemical reactions, electrical conductivity, and magnetism.

The mean free time between collisions for electrons in a metal wire can be calculated using the mean free path (λ) and the electron density (n) of the metal. The mean free time between collisions is given by the equation:

τ = λ / v

Where τ is the mean free time, λ is the mean free path, and v is the velocity of the electrons.

Using the formula, we can calculate mean free path:

λ = 1 / (n * σ)

Where σ is the collision cross-section, which is a measure of how likely it is for an electron to collide with an atom in the metal.

For aluminum, the mean free path is approximately:

λ = 1 / (n * σ) = 1 / (8.49 * 10^28 * 2.82 * 10^-15) = 3.51 * 10^-14 m

For aluminum, the mean free time between collisions is:

τ = λ / v = 3.51 * 10^-14 m / (2.18 * 10^6 m/s) = 1.62 * 10^-20 s

For Iron, the mean free path is approximately:

λ = 1 / (n * σ) = 1 / (8.05 * 10^28 * 2.82 * 10^-15) = 3.65 * 10^-14 m

For Iron, the mean free time between collisions is:

τ = λ / v = 3.65 * 10^-14 m / (2.18 * 10^6 m/s) = 1.68 * 10^-20 s

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Answer:

The planets spun in epicycles.

Explanation:

The planets were not simply attached to a mystical sphere (“deferent”) but they were actually attached to a mini-sphere (“epicycle”) which rotated on the larger one.

Answer:A

Explanation:

Answer:

2 hour=2×60=120 min

2 hour+10 min =120+10=130 min

1 min=60 second

130 min=130×60=7,800 seconds

2 hour 10 min=7,800 seconds

Explanation:

Thanks!!!!!!

Answer:

The answer is 7800 seconds

Explanation:

1 hour = 60 mins

2 hours = 120 mins (60×2)

120 mins + 10 mins = 130 mins

130min = 130 × 60 = 7,800 seconds

Sooo... 2 hr 10 min = 7,800 seconds

hope this helps :D

Answer:

This statement is true, a heating curve is a graph that shows the temperature change of a substance as thermal energy is introduced.

A heating curve is a graph that represents the temperature change of a substance as thermal energy is introduced.

The heating curve can be described as the relationship between the heating supply temperature and the outside air temperature of the system. The heating curve gives what temperature the boiler is to heat the water at an outdoor temperature.

Heating curves indicate how the temperature changes as a substance are heated up. Cooling curves are generally the opposite of the heating curve. They indicate how the temperature changes as a substance are cooled down. Similar to heating curves, cooling curves have horizontal parts where the state transforms from gas to liquid/ from liquid to solid.

The heating curve represents the material in phases of solid, liquid, and gas. As this graph is a plot of T v/s q, the slope is 1/mC. As the heating continues, the solid substance melts. During this time the temperature remains constant. The length of the line can be described as the amount of heat required to melt the solid.

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The area under the process curve on a p-v diagram represents the work done during the process.

On a p-v (pressure-volume) diagram, the process curve represents the path followed by a system as it undergoes a specific process, such as expansion or compression. The area under this curve corresponds to the work done by or on the system during that process.

To understand why the area represents work, we need to consider the definition of work in thermodynamics. In thermodynamics, work is defined as the transfer of energy due to a force acting through a displacement. In the case of a gas undergoing a process, work is done when the volume of the gas changes against an external pressure.

When a gas expands, it does work on its surroundings by pushing against the external pressure. This work is positive because the displacement of the gas is in the same direction as the force exerted by the gas. The area under the expansion curve on a p-v diagram represents this positive work done by the gas.

Conversely, when a gas is compressed, work is done on the gas by the external pressure. This work is negative because the displacement of the gas is opposite to the force exerted by the gas. The area under the compression curve on a p-v diagram represents this negative work done on the gas.

In summary, the area under the process curve on a p-v diagram represents the work done by or on the gas during the process. The magnitude and sign of the work can be determined by calculating the area enclosed by the curve.

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Answer:

Explanation:

It transfers from mechanical energy, to electrical energy to chemical energy. The energy transformation in an electromagnet is from chemical to electrical to electromagnetic waves. The north poles of two different magnets will attract each other.

Answer:

its D

Explanation:

The kinetic energy is the energy of motion.

The energy an object has as a result of motion is known as kinetic energy. A force must be applied to an object in order to accelerate it. We must put in effort in order to apply a force. After the work is finished, energy is transferred to the item, which then moves at a new, constant speed.

An item in motion has energy, which is called kinetic energy. Motion in space, you walking down the street, and the rotation of the planet around the sun are all examples of kinetic energy. Kinetic energy has the following formula: K.E. = 1/2 m*v², where m is the object's mass and v is its square velocity.

Any object in motion is using kinetic energy, so the energy of motion is

kinetic energy.

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We should position the metre scale along the item such that the zero mark of the metre scale aligns with one end of the object if we want to measure an object's length using metres. The length of the object will then be revealed by the reading on the scale's opposite end.

A foot or so distant or close enough to read a ruler, stand in front of a mirror. The 0 on a plastic ruler should be positioned in the centre of your pupil when you hold it vertically against the frame. The bottom edge of the lens, not the frame's edge, should be measured from the middle of your pupil. Keep track of each eye's height.

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Explanation:

The potential energy of an object has the following formula

         Potential energy = mgh

      where m = mass of the object

                   g = acceleration due to gravity

                   h = height of the object

This means that the potential energy of an object depends upon its mass, acceleration due to gravity, and height.

In the given situation we have a bucket full of water. If the mass and acceleration due to gravity are not changed, the only way the potential energy can be decreased is by reducing the height of the bucket full of water.

This can be done by: -

         (i) Lifting the bucket full of water in such a way that you

             decrease its height as compared to the bench.

        (ii) Put the bucket full of water on a stool whose height is

            lower than the bench.

Answer:

1.By decreasing it's contents- this decreases the weight of the bucket thus decreasing the potential energy of the bucket.

2.By decreasing the height of the bench we have decreased the amount of potential energy stored in the bucket