formed of kinetic energy formula ​

The magnitude of the magnetic field in the coil is 21.65 T.

The given parameters;

The induced emf in the coil is determined by applying Faradays law;

\(emf =N \frac{d\phi }{dt} \\\\emf = N ( \frac{\phi _2 - \phi_1}{t} )\\\\emf= N(\frac{BAsin\ 60 - BAsin\ 90}{t} )\\\\emf = NBA(\frac{sin60 - sn90}{t} )\\\\-0.058 = 500(6\times 10^{-4})\times B\times (\frac{0.866 - 1}{15} )\\\\-0.058 = -0.00268B\\\\B = \frac{0.058}{0.00268} \\\\B = 21.65 \ T\)

Thus, the magnitude of the magnetic field in the coil is 21.65 T.

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Electricity is the \(\sf{\underline{flow}}\) of electrons, because electrons \(\sf{\underline{passes}}\)  from atom to atom.

When you transfer 20 grams of helium gas from a 500 ml container to a 1000 ml container, density of the gas will change:

Density: The density of the helium gas will change as the volume of the container increases while the mass remains constant. Density is defined as mass per unit volume, so as the volume increases, the density will decrease. Therefore, the density of the helium gas will decrease when transferred to a larger container.

Density is a physical property that describes how much mass is present in a given volume of a substance. It is defined as the amount of mass per unit volume of a material. The formula for density is:

Density = mass / volume.

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Interstellar is a movie about the human race being faced with a

civilization ending blight. A small group of brave individuals explore

possible new habitable worlds for humans. The following questions

will help guide you through the movie and hopefully get you

thinking about the future.

1. The Cooper family hijacks a UAV (Unmanned Aerial Vehicle).

What do you know about UAVs and how they are used today?

2. While at the parent-teacher conference, Murphy’s teacher

mentions that the Apollo program -- the same program that

landed humans on the Moon -- was just propaganda to

convince the Soviet Union to bankrupt themselves trying to do

the same. The reason for this was to encourage children to

take care of their own planet, rather than wasting precious

resources day dreaming of leaving it. Which side of the fence

would you sit on? Would you look for ways to save Earth and

our ability to stay there, or would you look to the sky, and find

a new planet to live on? Why?

3. A) What natural disaster(s) is Earth suffering from in the beginning of Interstellar?

B) If one of these happened now what actions would you take to protect yourself?

4. Cooper, Doyle, Romilly, and Dr. Brand (female) rendezvous with the Endurance in orbit around Earth. Once

onboard, they begin to spin the Endurance. Why? (Think about the physics happening here!) Draw a diagram.

5. Why or why isn’t space exploration important for the people in the movie interstellar? Why or why isn’t

space exploration important in today’s society? Defend your answers.

6. Explain time dilation as best as you can.

7. A) Estimate how long Dr. Mann went without human contact while on the ice planet:

The Lazarus mission was __________ years ago. It takes _______ years to get to Saturn from Earth. Cooper

and Dr. Brand were on Miller’s planet for approximately __________ years. This means the total time Dr.

Mann went without human contact is: ___________ years.

B) Consider the longest time away from human contact you've experienced. What did you do to keep yourself

occupied?

Useful Vocabulary

Blight: A specific symptom affecting plants in

response to infection by a pathogenic organism. The

potato famine of Ireland was caused by blight.

Event horizon: Is a point in which not even light can

escape the gravitational influence of the black hole.

Maroon: The intentional action of leaving someone

in a remote area such as an inhabitable island.

Rendezvous: When two objects meet and typically

dock together while in space.

Time dilation: A difference of elapsed time between

two events as measured by observers either moving

relative to each other or differently situated from

gravitational masses.

UAV: Unmanned Aerial Vehicles are remote

controlled or autonomous flying vehicles.

Unmanned aerial vehicles (UAVs) are typically used for a variety of purposes such as:

An unmanned aerial vehicle (UAV) is also referred to as a drone and it can be defined as an aircraft that is designed and developed to be piloted or controlled by a remote control (ground-based controller) and on-board computer systems.

This ultimately implies that, an unmanned aerial vehicle (UAV) is a class of aircrafts that can fly without any human pilot, cabin crew, or passengers on board.

In conclusion, unmanned aerial vehicles (UAVs) carries no human pilot and are typically used for a variety of purposes such as:

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In a fire piston, the temperature of the gas inside the piston increases due to adiabatic compression.

In physics, pressure is a measure of the force per unit area that a fluid (liquid or gas) exerts on its surroundings. It is defined as the force F acting perpendicular to a surface divided by the area A over which the force is distributed: pressure = F/A. The SI unit of pressure is the Pascal (Pa), which is defined as one Newton per square meter (N/m²). Other common units of pressure include pounds per square inch (psi), atmospheres (atm), and bar (bar). Pressure is an important concept in many areas of physics, including fluid mechanics, thermodynamics, and atmospheric science. It describes the behavior of fluids in pipes and channels, the operation of hydraulic systems, and the behavior of gases in sealed containers. The pressure of a fluid is related to its density and temperature, and can be influenced by factors such as gravity, elevation, and the motion of the fluid itself.

Here,

When the piston is rapidly pushed down into the cylinder, it compresses the gas inside the cylinder. This rapid compression causes the gas molecules to collide with each other more frequently and with greater force, which in turn increases the temperature of the gas.

Because the compression is adiabatic (i.e., no heat is allowed to enter or leave the system), the increase in temperature is due solely to the work done on the gas by the piston. This increase in temperature is known as adiabatic heating.

The fire piston is a simple but effective tool for starting a fire in the wilderness, and it demonstrates the principles of adiabatic compression and the relationship between pressure, volume, and temperature in a gas.

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Approximately 1.5 nicotine patches containing 20 mg each would be required to potentially be lethal to half of the people weighing 60 kg

To answer your question, we need to calculate the lethal dose of nicotine for a person weighing 60 kg and then find out how many 20 mg nicotine patches would be required to reach that dose.

1. First, we need to know the median lethal dose (LD50) of nicotine, which is the dose that would be lethal to 50% of the population. The LD50 of nicotine is approximately 0.5 to 1 mg per kg of body weight.

2. Now, let's calculate the lethal dose for a 60 kg person:
LD50 = 0.5 mg/kg (minimum lethal dose) x 60 kg = 30 mg (minimum lethal amount)

3. Finally, we will determine how many 20 mg nicotine patches would reach the lethal dose:
Number of patches = Lethal dose / Patch nicotine content = 30 mg / 20 mg/patch = 1.5 patches

It's important to note that individual reactions to nicotine may vary, and this calculation is a rough estimate. In this scenario, approximately 1.5 nicotine patches containing 20 mg each would be required to potentially be lethal to half of the people weighing 60 kg. However, always follow the recommended usage instructions for nicotine patches to ensure safety.

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The potential energy of a 3 kg ball that is on the ground is zero.

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The different words used to match the given definitions are acceleration, velocity, friction, weight, inertia, magnitude.

1. Acceleration is a measure of how quickly the velocity is changing

2. Velocity is speed in a given direction

3. Friction is the force that resists the movement of one object against another

4. On an object weight is the measure of pull of gravity

5. Inertia is the tendency of an object to resist change in motion

6. Magnitude is the size.

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The regime of flow is turbulent, the pressure drop is 1.41 kPa and the head loss is 1.2 m.

The Reynolds number for this flow is 2,160, which is greater than 2,300, so the flow is turbulent.

The pressure drop can be calculated using the Darcy-Weisbach equation:

ΔP = f * L * ρ * v^2 / 2 * D

where:

ΔP is the pressure drop (Pa)

f is the Darcy-Weisbach friction factor (dimensionless)

L is the length of the pipe (m)

ρ is the density of the fluid (kg/m^3)

v is the velocity of the fluid (m/s)

D is the diameter of the pipe (m)

Substituting the known values, we get:

ΔP = 1.41 kPa

The head loss can be calculated using the Bernoulli equation:

ΔH = ρ * g * ΔP / ρ

where:

ΔH is the head loss (m)

ρ is the density of the fluid (kg/m^3)

g is the acceleration due to gravity (m/s^2)

ΔP is the pressure drop (Pa)

Substituting the known values, we get:

ΔH = 1.2 m

The Darcy-Weisbach friction factor can be calculated using the Moody diagram. The volumetric flowrate can be calculated using the following equation:

Q = π * D^2 * v / 4

where:

Q is the volumetric flowrate (m^3/s)

D is the diameter of the pipe (m)

v is the velocity of the fluid (m/s)

The kinematic viscosity can be calculated using the following equation:

ν = μ / ρ

where:

ν is the kinematic viscosity (m^2/s)

μ is the dynamic viscosity (kg/m^s)

ρ is the density of the fluid (kg/m^3)

Substituting the known values, we get:

f = 0.018

Q = 0.0035 m^3/s

ν = 0.001 m^2/s

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Correct option is B, The given equation is Balanced.

An element is balanced if it has the same amount of atoms on both sides of the equation. The equation is balanced if all the components are in balance.

A chemical equation is imbalanced and unable to accurately explain what transpires during a reaction if the numbers of each type of atom on the two sides are different. The equation must first be balanced in order to continue.

Equal numbers of atoms from various elements are present in both the reactants and the products in balanced chemical equations. Varied elements' atom counts in the reactants and products of unbalanced chemical equations are different.

The number of atoms of Nb element on both sides = 4

The number of atoms of oxygen on both sides = 10

∴ The given equation is Balanced equation.

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Answer:

To find the volume of a rectangular object, measure the length, width and height. Multiply the length times the width and multiply the result by the height. The result is the volume. Give the result in cubic units, such as cubic centimeters.

Explanation:

Answer:

Kinetic energy is the energy possessed by an object due to its motion. If an object is moving, then it has kinetic energy. The amount of kinetic energy depends on mass and speed.

Explanation:

Answer:Lead by an example

Practice what you preach. You'll never convince anyone to conserve water if you aren't doing it yourself.

Engage with others.

Seek out allies.

Give people a reason to save.

Provide entry-level strategies.

Encourage others to challenge themselves.

Think big.

Choose a monthly focus.

When a bead is sliding along a wire that is bent into a circular shape and rotating about its vertical axis, it experiences a radial acceleration towards the axis of rotation. At a certain point along the wire, the bead will be in vertical equilibrium, meaning that it experiences no net force in the vertical direction.

This occurs when the gravitational force acting on the bead is balanced by the centrifugal force resulting from the circular motion of the wire. The centrifugal force is directed radially outwards from the axis of rotation and is proportional to the square of the angular velocity of the wire.

At the point of vertical equilibrium, the magnitude of the centrifugal force is equal to the magnitude of the gravitational force acting on the bead. This allows the bead to remain in a stable position on the wire, without moving up or down.

Therefore, the point of vertical equilibrium can be determined by balancing the gravitational force and the centrifugal force acting on the bead, which occurs at a specific distance from the axis of rotation and at a specific angular velocity of the wire.

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The length of the rubber band that the boy must use is 0.024 m or 24 mm.

To determine the length of the rubber band, we can use the formula for the potential energy stored in a stretched spring, which is also applicable to a stretched rubber band:

where U is the potential energy stored in the rubber band, k is the spring constant (or in this case, the rubber band constant), and x is the displacement of the rubber band from its natural length.

Since the rubber band is stretched by 0.25 of its natural length, the displacement x is 0.25 times the natural length of the rubber band.

We can solve for the rubber band constant k by using the formula for the velocity of a projectile launched by a spring (or in this case, a rubber band):

where v is the velocity of the projectile, m is the mass of the rubber band, M is the mass of the projectile, and k is the spring constant. We can rearrange this equation to solve for k:

k = (v² M) / (2 m)

We can now combine the two equations to solve for the length of the rubber band, L:

U = 1/2 k x²

U = 1/2 ((v² M) / (2 m)) (0.25 L)²

U = (v² M L²) / (32 m)

The potential energy stored in the rubber band must be equal to the kinetic energy of the projectile when it is launched:

U = 1/2 M v²

(v² M L²) / (32 m) = 1/2 M v²

L = ((16 m v²) / (k M))

L = ((16 m v²) / ((v² M) / (2 m) M))

L = √(32 m^2 / M)

L = (0.032 M)

Substituting the given values, we get:

L = √(0.032 * 0.006)

L = 0.024 m

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Answer:

(a) k = 80 N/m   (b) x = 75 cm

Explanation:

The question says that, "A spring is elongated 30 centimeters when we exert a force of 24 N on it a) calculate the value of the spring constant b) calculate the elongation of the spring when applying a force of 60 N"

Given that,

Force exerted on the spring, F = 24 N

Elongation in the spring, k = 30 cm =0.3 m

(a) We know that, the force on the spring is given by :

F = kx

Where

k is spring constant

So,

\(k=\dfrac{F}{x}\\\\k=\dfrac{24}{0.3}\\\\k=80\ N/m\)

(b) When F = 60 N,

\(x=\dfrac{F}{k}\\\\x=\dfrac{60}{80}\\\\x=0.75\ m\\\\x=75\ cm\)

Hence, this is the required solution.

Answer:

Approximately \(1.5\; {\rm s}\).

(Assumptions: \(g = 9.81\; {\rm m\cdot s^{-2}}\); air resistance on the volleyball is negligible.)

Explanation:

Under the assumptions, acceleration of the volleyball would be \(a = (-g) = (-9.81)\; {\rm m\cdot s^{-2}}\) during the entire flight. (This value is negative since the ball is accelerating downwards- toward the ground.)

By the time the volleyball hits the ground, the volleyball would be at a position \(2.0\; {\rm m}\) below where it was launched. In other words, the (vertical) displacement of the volleyball during the entire flight would be \(x = (-2.0)\; {\rm m}\). (Negative since the ball is below where it was launched.)

Apply the SUVAT equation \((v^{2} - u^{2}) = 2\, a\, x\) to find the velocity of the volleyball right before hitting the ground. In this equation:

Rearrange this equation and solve for the velocity right before landing, \(v\). Note that because \(v\!\) is raised to the power of \(2\) in \((v^{2} - u^{2}) = 2\, a\, x\), both \(v = \sqrt{u^{2} + 2\, a\, x}\) and \(v = -\sqrt{u^{2} + 2\, a\, x}\) could satisfy this equation. However, \(v\!\!\) needs to be negative since the volleyball would be travelling downwards before reaching the ground.

Therefore, right before reaching the ground, velocity of the volleyball would be:

\(\begin{aligned} v &= -\sqrt{u^{2} + 2\, a\, x \\ &= -\sqrt{(6.0)^{2} + 2\, (-9.81)\, (-2.0)} \; {\rm m\cdot s^{-1}} \\ &\approx (-8.67)\; {\rm m\cdot s^{-1}}\end{aligned}\).

In other words, velocity of this volleyball has changed from \(u = 6.0\; {\rm m\cdot s^{-1}}\) (upwards) to \(v \approx (-8.67)\; {\rm m\cdot s^{-1}}\) (downwards) during this flight. Divide the change in the velocity \((v - u)\) by the rate of change in velocity \(a = (-9.81)\; {\rm m \cdot s^{-2}}\) to find the duration of this flight:

\(\begin{aligned}t &= \frac{v - u}{a} \\ &\approx \frac{(-8.67) - 6.0}{(-9.81)}\; {\rm s} \\ &\approx 1.5\; {\rm s}\end{aligned}\).

Answer:

84

Explanation:

use d= (vi+vf/2)t to solve goodluck <3

The total pressure in the flask is 2.37 atmospheres. This can be obtained by adding the partial pressures of argon (0.72 atm) and oxygen (1.65 atm) together.

In a mixture of gases, each gas exerts a partial pressure proportional to its concentration. To find the total pressure, we need to sum up the partial pressures of all the gases present.

In this case, the flask contains argon and oxygen. The partial pressure of argon is given as 0.72 atm, and the partial pressure of oxygen is given as 1.65 atm. To find the total pressure, we simply add these two partial pressures together:

Total pressure = Partial pressure of argon + Partial pressure of oxygen

= 0.72 atm + 1.65 atm

= 2.37 atm

Therefore, the total pressure in the flask is 2.37 atmospheres.

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The speed of the rock is 56.8 m/s.

Wavelength, λ = 2.03 x 10⁻³⁴m

Mass of the rock, m = 115 x 10⁻³kg

So, the kinetic energy,

1/2 mv² = hc/λ

v = √(2hc/mλ)

v = √(2 x 6.63 x 10⁻³⁴/115 x 10⁻³x2.03 x 10⁻³⁴)

v = 56.8 m/s

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Answer:

Explanation:

The answer is Climate

Answer:

climate

Explanation:

Climate is defined as an area's long-term weather patterns. The simplest way to describe climate is to look at average temperature and precipitation over time.

The intensity of the beam is 1.21*10^7  W/m^2 and the intensity is define as number of photons per unit time.

Radiation beam is energy in the form of waves of particles. There are two forms of radiation which are  non-ionizing and ionizing.

Non-ionizing radiation has less energy than ionizing radiation; it does not possess enough energy to produce ions.

Ionizing radiation is capable of knocking electrons out of their orbits around atoms, upsetting the electron/proton balance and giving the atom a positive charge.

Alpha radiation consists of alpha particles that are made up of two protons and two neutrons each and that carry a double positive charge. Due to their relatively large mass and charge, they have an extremely limited ability to penetrate matter.

We know that,

Iabsorbed=P/A ------(1)

where P is the power and A is the area.

P= E/t-------(2)

using (2) and (1)

Iabsorbed=E/tA-----(3)

Now area,

A=πr^2 = 1.19*10^-5 m^2

putting in (3), we get

Iabsorbed = 1.09*10^7 W/m^2

Given only 90% of the beam is absorbed So,

I/100=1.19*10^-5/90

Now the intensity is,

I=1.19*10^-5*100/90

I=1.21*10^7 W/m^2.

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Answer:

it's a

Explanation:

Answer:

I believe its D!

Explanation:

Kenetic energy is motion

In golf, when Player A accidentally hits Player B's ball and as a result, Player B hits Player A's ball, the ruling depends on whether the players' balls were at rest or in motion before the accidental collision occurred.

Let's consider both scenarios:

1. If the balls were at rest: If both Player A's and Player B's balls were at rest before the accidental collision, Rule 9.6 in the Rules of Golf applies. According to this rule, when a player's ball at rest is moved by another ball in motion after a stroke, the player must replace their ball to its original position without penalty. Both players would need to return their balls to their original positions before continuing play.

2. If the balls were in motion: If either Player A's or Player B's ball was in motion before the accidental collision occurred, Rule 11.1 in the Rules of Golf applies. This rule addresses the situation when a player's ball in motion is accidentally deflected or stopped by another ball. In this case, the players generally play their balls as they lie. However, if there was a deliberate action or agreement between the players to purposely cause the balls to collide, it could be considered a breach of Rule 1.3a (2), which prohibits actions that deliberately interfere with the play of another player. The players would need to discuss the situation, and penalties could be assessed if necessary.

It is important for the players involved to communicate and come to an agreement on how to proceed, and if necessary, they can consult with a rules official or refer to the specific Rules of Golf for further guidance.

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Answer:

lol

Explanation:

it was funny

Temperature increase by global warming has given rise to new types of blights and pests, causing damages to crops. Especially, damages to apples, peaches, grapes, and soybeans, by brown grasshoppers are reported to have been increasing.

Basically for rice, the cultivation period is the basic condition for planning its production, which is decided by the climate conditions and the rice variety. Among several agricultural climate conditions,

temperature is the critical factor in deciding the rice cultivation period

freezing

During freezing, the temperature of a substance remains constant while the particles in the liquid form a crystalline solid. Because particles in a liquid have more energy than particles in a solid, energy is released during freezing. This energy is released into the surroundings.

The region of the atmosphere that is so evenly mixed that it behaves as if it were a single gas is known as the homosphere.

This region extends from the Earth's surface up to an altitude of approximately 80-100 kilometers. The homosphere is characterized by a relatively constant composition of gases, primarily nitrogen (78%) and oxygen (21%), with trace amounts of other gases such as carbon dioxide and argon.

The gases in the homosphere are well-mixed due to turbulent mixing processes, which help to distribute gases evenly throughout the region. This homogenous mixing also helps to maintain a relatively stable temperature and pressure profile in the atmosphere.

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The current in the second wire is 1.37 A.

The current in the second wire is calculated from the magnetic force between the two wires.

F/L = (μI₁I₂)/(2πr)

where;

μI₁I₂ = (F/L 2πr)

I₂  = ((F/L 2πr) / (μI₁)

I₂  = (7.7 x ⁻⁵ x 2π x 0.082)/(4π x 10⁻⁷ x 23)

I₂  = 1.37 A

Thus, the current in the second wire is 1.37 A.

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Answer:

Fuel + O2 → CO2 + H2O

Explanation:

Bonding jumper is located at the service disconnect. This is the point in the electrical system where the main breaker or fuses are located, and where the power from the utility company enters the building.

The main bonding jumper is an important component that connects the grounded conductor (neutral) and the equipment grounding conductor to ensure a low-impedance path for fault currents. This helps to prevent electrical shock and fire hazards.

the main bonding jumper plays a crucial role in ensuring the safety and proper functioning of the electrical system, and it is located at the service disconnect.


To ensure safety and proper functioning of an electrical system, it is important to know the location of the main bonding jumper, which is at the service disconnect.

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The main bonding jumper is situated at the b) service disconnect. It plays a key role in ensuring safety by causing the circuit breaker to trip in case of a fault condition, which then forces the repair of the appliance. Besides, circuit breakers and GFCIs are also vital protective devices for preventing electrical accidents.

The main bonding jumper is typically located at the service disconnect (b), which is designed to interrupt the electric service for maintenance or emergency.

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