the rms speed of a gas is increased by 1%. what is the percent change in the temperature? what is the percent change in the pressure of the gas, assuming its volume is held constant?

Answer:

8.87 m/s^2

Explanation:

The horizontal distance travelled by the football is 3.1 m.

The angle of projection of the football is calculated as follows;

tan ( θ ) = Vy / Vx

where;

tan ( θ ) = 5 / 3

tan ( θ ) = 1.667

θ = arc tan (1.667)

θ = 59⁰

The resultant velocity of the ball is calculated as follows;

v = √ (Vx² + Vy²)

v = √ (3² + 5²)

v = 5.83 m/s

The horizontal distance travelled by the football is calculated as follows;

x = v² sin(2θ) /g

where;

x = [ (5.83)² sin(2 x 59) /9.8 ]

x = 3.1 m

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We will have that the picture that shows the highest average kinetic energy is image B.

Answer:

a chemical reaction where electrons mix.

Explanation:

A nuclear reaction is when atomic nuclei combine, forming a new chemical element

A chemical reaction occurs when electrons from the last layer of atoms mix, forming molecules that have the same chemical elements as the reactants.

According to these definitions

           C + 2 S → CS2

in a chemical reaction where electrons mix.

Answer:

This is a chemical reaction, because only the electrons were rearranged.

Answer:

From least to greatest: Neon, Sodium, Silicon, Iron, Uranium

Explanation:

Here are all the atomic numbers for each one:

Iron = 26

Sodium = 11

Uranium = 92

Neon = 10

Silicon = 14

Hope this helps! :D

Answer:

1. What is the orbit of the Earth?

365 days

2. Is the Sun at the center of the Earth’s orbit?

Yes

3. Describe the motion of the Earth throughout its orbit? Does it move at constant speed?

Yes, the Earth moves pretty quickly and orbits around the Sun at a rate of approximately 67,000 miles per hour.

1. What is the orbit of Mars?

The shape is circular, 687 days

2. Is the Sun at the center of Mars’s orbit?

Yes

3. Describe the motion of Mars throughout its orbit? Does it move at constant speed?

Travels at a regular steady speed, yes moves at a constant speed

1. What is the orbit of Saturn?

Circular, 29 years

2. Is the Sun at the center of Saturn’s orbit?

Yes

3. Describe the motion of Saturn throughout its orbit? Does it move at constant speed?

Just like Mars, it moves faster when it is closer to the sun, so yes.

1. What is the orbit of Neptune?

Circular, 165 years

2. Is the Sun at the center of Nepturn’s orbit?

Yes

3. Describe the motion of Neptune throughout its orbit? Does it move at constant speed?

A steady consistent speed and yes it moves at a constant speed.

1. What is the orbit of the comet?

An oval, 200 years

2. Is the Sun at the center of the comet’s orbit?

No

3. Describe the motion of the comet throughout its orbit? Does it move at constant speed?

A comet starts off slow then picks up speed and no it does not move at a constant speed.

Explanation:

I hope this helps, You're welcome.

The turtle's position and direction appropriately after each instruction to ensure accurate drawing. You can also customize the colors, sizes, and shapes to enhance the visual appearance of the AND gate.

To draw an AND gate using turtle graphics, you can use the following set of instructions:

Set up the turtle:

a. Set the turtle's initial position.

b. Set the turtle's pen color and size.

Draw the first input line:

a. Move the turtle forward to the starting point of the line.

b. Draw a straight line segment to represent the first input.

Draw the second input line:

a. Move the turtle to the starting point of the second line.

b. Draw a straight line segment to represent the second input.

Draw the output line:

a. Move the turtle to the starting point of the output line.

b. Draw a straight line segment to represent the output.

Draw the logic gate shape:

a. Move the turtle to the starting point of the gate.

b. Draw a rectangle to represent the gate.

c. Add any necessary labels or symbols to indicate it as an AND gate.

Add connections between lines and gate:

a. Move the turtle to the intersection point of the first input line and the gate.

b. Draw a small line segment to connect the input line to the gate.

c. Repeat the above step for the second input line and the gate.

d. Draw a small line segment to connect the output line to the gate.

Repeat the above steps as necessary to draw multiple AND gates or any additional components.

Remember to adjust the turtle's position and direction appropriately after each instruction to ensure accurate drawing. You can also customize the colors, sizes, and shapes to enhance the visual appearance of the AND gate.

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The acceleration of the ball which experiences an initial velocity of 4m/s and a final velocity of 16m/s and covers a distance of 25 m is 4.80 m/s².

Acceleration can be defined as the change in the velocity of an object. It is a vector quantity as it has both the magnitude and direction. The SI unit of acceleration is meter per second square (m/s²).

The acceleration of the ball can be calculated through initial velocity, final velocity and distance through the equation:

2as = v² - u²

where, a = acceleration of the object,

s = distance covered by the object,

v = final velocity of the object,

u = initial velocity of the object

2 × a × 25 = (16)² - (4)²

50a = 256 - 16

50 a = 240

a = 240/ 50

a = 4.80 m/s²

Therefore, the acceleration of the ball is 4.80 m/s².

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With the use of vertical motion formula, the shirt will take 3 s to reach the top of its arc. And the maximum height reached is 44.7 m

The motion of an object under is the vertical motion of the object under the influence of acceleration due to gravity.

Given that a cheerleader launches a t-shirt from an air gun. The shirt leaves the gun with a speed of 29 m/s.

A. Ignoring air resistance, the time it will take the shirt to reach the top of its arc can be found by using the equation

v = u - gt

Where

Substitute all the parameters into the equation

0 = 29 - 9.8t

9.8t = 29

t = 29/9.8

t = 2.96 s

t = 3 s approximately

B. Ignoring air resistance, if the cheerleader launches with an initial height of 1.75m, let us first calculate the maximum height reached by the shirt by using the formula

v² = u² - 2gH

At maximum height, v = 0

0 = 29² - 2 × 9.8 × H

0 = 841 - 19.6H

19.6H = 841

H = 841/19.6

H = 841/19.6

H = 42.9 m

The maximum height reached = 42.9 + 1.75 = 44.7 m

Therefore, the time taken for the shirt to reach the top of its arc is 3 s  and the maximum height reached is 44.7 m

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Ari's final vertical jump height is 5.2 m.

Ari's final vertical jump height is calculated from the law of conservation of energy as shown below.

P.E ( of Ari ) = P.E ( of Bari )

m1gh1 = m2gh2

where;

h1 = ( m2h2 ) / ( m1 )

h1 = ( 70 x 4 ) / ( 50 )

h1 = 5.6 m

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Answer:

through a chain reaction of particle collisions in a medium.

Explanation:

The distance traveled by the plate before it was caught by another player is 210.71 m.

The given parameters;

The distance traveled by the plate before it was caught by another player is the range of the projectile.

The range of projectile is influenced by;

\(R = \frac{u^2 sin(2\theta)}{g} \\\\R = \frac{47.9^2 \times sin(2\times 32.1)}{9.8} \\\\R = 210.71 \ m\)

Thus, the distance traveled by the plate before it was caught by another player is 210.71 m.

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Answer:

a) Answer: 0.16331 m/s

b) Answer: 8522.66 joules

Explanation:

The final speed is  0.1633 m/s.

When the freight car receives this scrap metal, 7915.72 Joule kinetic energy is lost.

A body has momentum while it is moving, according to our understanding. It is said that a body's momentum is equal to the sum of its mass and speed. A body's direction is important when discussing momentum. Its direction belongs to the body's direction of motion.

(a) Given parameter:

Mass of the railroad car, M = 2900 Kg.

Mass of the scrap metal, m= 11750 Kg.

Initial speed of the car, u = 0.0825 m/s.

Initial speed of the scrap metal = 0 m/s.

Final speed of the system, v = ?

Then, initial momentum of the  system = initial momentum of the car +  initial momentum of the scrap metal .

= (29000×0.825 + 117500×0) kg.m/s.

= 23925 kg.m/s.

Final momentum of the system = total mass of the system× final speed

= (29000 + 117500)× v kg.m/s

= 146500v kg.m/s.

Hence, from principle of conservation of momentum,

initial momentum of the  system = Final momentum of the system

⇒ 23925 = 146500v

⇒ v = 0.1633 m/s.

The final speed of the  loaded freight car is 0.1633 m/s.

(b) Lost in kinetic energy = initial kinetic energy of the car - final kinetic energy of the loaded car.

= 1/2*29000*0.825² -1/2*(29000 + 117500)* 0.1633² Joule.

= 7915.72 Joule.

Hence, 7915.72 Joule kinetic energy is lost in this process.

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The model house on remote renewable energy will generate (20mmm + 30sss) kilowatt-hours of energy in 10 years.

Given:

Remote Renewable House= 2 windmills + 3 turbines

1 windmill generate mmm kilowatts-hours in a year

Therefore,

2 windmills will generate,

2×mmm=2mmm kwh in a year

In 10 years, 2 windmills will generate

10×2mmm=20mmm

1 solar panel generate sss kilowatt-hour each in 1 year

3 solar panels will generate yearly

3×sss=3sss

In 10 years, 3 solar panels will generate

10×3sss=30sss

Therefore, the total energy generated in the renewable model house is in 10 years

(20mmm+30sss)  kwhr

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When the car moves 4km east and then turns 3km  north then the resultant displacement of car will be :

5km

Here initially the car moves 4km east , that is a straight line  towards east direction with a value of 4kms (let the point be A).

then,  from the point A it turns 3km towards north direction. here

North and east are perpendicular to one another.

ie, it forms 90° that means it is a right angle.

The displacement of a car is the distance between its initial and final positions.

The displacement is

S = \(\sqrt{3^{2} + 4^{2} }\)  

S = \(\sqrt{25}\)

  = 5

so the resultant displcement is 5km

the resultant graph is attached below:

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The  correct  processes based on the type of energy transfer they involve can be linked as ;

Conduction, radiation, and convection are the three different ways that thermal energy is transferred. Only fluids experience the cyclical process of convection.

The total amount of energy in the universe has never changed and will never change because it cannot be created or destroyed.

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Answer: The position of the spring as a function of time is given by: x(t) = 6 * sin(π/4 * t)

where t is the time in seconds and x(t) is the position of the spring in meters.

Explanation:

The position of a spring as a function of time can be described by a sinusoidal function. The general form of such a function is:

x(t) = A * sin(ωt + φ) + x₀

where:

x(t) is the position of the spring at time t

A is the amplitude of the motion (maximum displacement)

ω is the angular frequency (related to the period T by ω = 2π/T)

φ is the phase angle (determines the starting point of the motion)

x₀ is the equilibrium position of the spring (where it would be at rest)

In this case, we know that the maximum displacement (amplitude) of the spring is 6m and the period T is 8s. Therefore, we can calculate the angular frequency ω as follows:

ω = 2π/T

ω = 2π/8

ω = π/4

We also know that the spring is at its equilibrium position when t = 0 (i.e., x(0) = x₀). Therefore, we can set x₀ to 0.

Finally, we need to determine the phase angle φ. This can be a bit tricky without more information, as there are many possible starting points for the motion that would produce a sinusoidal function with the given amplitude and period. For simplicity, we will assume that the spring is at its maximum displacement (positive direction) when t = 0. This means that the phase angle φ is 0.

Putting all of this together, we get:

x(t) = 6 * sin(π/4 * t)

This is the position of the spring as a function of time. It describes a sinusoidal motion with an amplitude of 6m and a period of 8s. The motion starts at the maximum displacement (positive direction) and oscillates back and forth around the equilibrium position (0).

Answer:

\(\boxed{\mathrm{Density = 1.1 \ g/cm^3}}\)

Explanation:

Volume of fresh water:

Volume = Mass / Density

Volume = 1600/1

\(V_{1}\) = 1600 cm³

Volume of sea water:

Volume = Mass / Density

Volume = 1200/1.2

Volume = 1000 cm³

So,

Total Volume when they are mixed = 1600+1000

Total Volume when they are mixed = 2600 cm³

And,

Total Mass when they are mixed = 1600+1200

Total Mass when they are mixed = 2800 g

Now, Measuring the density of the mixture:

Density = Mass / Volume

Density = 2800/2600

Density = 1.1 g/cm³

Answer:

\(\mathrm{1.086 \: g/cm^3 }\)

Explanation:

Volume of fresh water ⇒ 1600 cm³

Density of fresh water ⇒ 1 g/cm³

Volume of sea water ⇒ 1200 cm³

Density of sea water ⇒ 1.2 g/cm³

\(density=\frac{mass}{volume}\)

\(mass=density \times volume\)

Calculate mass of fresh water.

\(m=1600 \times 1\)

\(m=1600 \: g\)

Calculate the mass of sea water.

\(m=1200 \times 1.2\)

\(m=1440 \: g\)

Find the density of the mixture.

\(density=\frac{mass}{volume}\)

\(\rho = \frac{1600+1440}{1600 + 1200}\)

\(\rho = \frac{3040}{2800}\)

\(\rho= 1.0857...\)

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Thermodynamics can be said to be a branch of Physics which involves the transfer of heat and other energy forms.

Thermal energy is the energy possesed by a system due to its temperature.

In thermodynamics, during the transfer of thermal energy, energy is wasted due to entryopy. And entropy is the measure of disorder of a system.

Therefore, in amy thermodynamic system that deals with the transfer of thermal energy, the most ideal state for that system is Entropy

ANSWER:

A. Entropy

Answer:

Speed of stunt bike rider = 13 meter/ Second

Explanation:

Given:

Distance cover by stunt bike rider = 39 meter

Time taken by stunt bike rider = 3 seconds

Find:

Speed of stunt bike rider

Computation:

Speed = Distance / Time

Speed of stunt bike rider = Distance cover by stunt bike rider / Time taken by stunt bike rider

Speed of stunt bike rider = 39 / 3

Speed of stunt bike rider = 13 meter/ Second

Answer:

An electric field with intensity ′E′ is applied to an electrical dipole with dipole moment ′p′. The dipole moves into a place where its axis forms an angle with the electric field.

Justification: Since electric fields are subject to the of superposition, the overall electromagnetic current of a system typically equal to the total of its individual electric fields. Each charge produces an electric field at pixel Value that is equal in size but moves in the opposite direction.

The flux through a surface is at its maximum when it is horizontal to field (left panels) and the paddock vector is parallel to a vector, A. When a surface is perpendicular to the field (figure 3d), no field lines intersect it and there is no flux through it.

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wavelength at the maximum energy radiated by the sun is

499× 10⁻⁹m  (499nm)

wavelength at the maximum energy radiated by the sun occur measure by:

wien's displacement law : The black body radiation at a wavelength is inversely proportional to temperature.

acc. to wien's displacement law

λ= b/T

 λ is wavelength

where T is the temperature

The sun has a surface temperature of approximately 5800 k.

b is constant of proportionality

b = 2.8977×10⁻³mk

T = 5800k

using values in above equation

λ = 2.8977 × 10⁻³ mk/ 5800k

λ= 499× 10⁻⁹m  =499nm

wavelength at the maximum energy radiated by the sun is

499× 10⁻⁹m  =499nm

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The concentration of O2 in the trout stream is approximately 7.14 mg/L.

The concentration of O2 in a stream at equilibrium with air at 0.989 atm can be determined using the Henry's law constant (KH) for O2 in water. KH is the ratio of the concentration of a gas in a liquid to its partial pressure in the air above the liquid.

By using the KH value of 1.28 x 10^-3 mol/(L x atm) and the partial pressure of O2 in air at 0.989 atm, we can calculate the concentration of O2 in the stream.

To do so, we multiply the KH value by the partial pressure of O2, which gives us the concentration of O2 in the stream in units of mol/L. This value can then be converted to units of mg/L by multiplying by the molecular weight of O2, which is approximately 32 g/mol.

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Unfortunately, it is impossible to "speak" anything literally with radio waves that are 9 billion light-years away.

Radio transmissions are only electromagnetic waves that transmit information; meaning cannot be inferred from them without the appropriate tools and a context. The fact that light moves at a finite speed and takes 9 billion years to reach us should also be taken into consideration. As a result, any information carried by radio waves would be billions of years old and might not be applicable to the current condition of the universe.

In radio transmission, a radio transmitter's antenna couples electromagnetic energy into the atmosphere or other open space. Electromagnetic radio waves are caught by a receiving antenna during radio reception and coupled into a receiver for detection.

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The wavelength of waves whose frequency of waves from a radio station is 15 megacycles per second is 20m

Given the frequency of radio waves (f) = 15 megacycles per second

The number of complete wave cycles that pass a location in a unit of time is the definition of frequency. The SI frequency unit is called a Hertz (Hz). A sinusoidal wave's frequency is defined as the total number of full oscillations that every wave constituent performs in a unit of time.

Let the wavelength = ∧

The speed of light waves (v) = 3 x 10^8m/s

We know that frequency = velocity/wavelength

Then f = v/∧ such that ∧ = v/f

∧ = 3 x 10^8/15 x 10^6 = 20m

Hence the wavelength of radio waves = 20m

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