Is the magnetic field inside the loop increasing in strength, decreasing in strength, or steady?

Answer:

middle

top

bottom

under neith middle

Answer:  b)Gases

Explanation: Because the Particle are moving freely

Answer:

velocity = displacement / time taken

velocity = 100/5

velocity = 20m/s

1.) Electrons go back into like a lower energy level then would be release a thing called a photon light.

2.) I'm not sure on the correct numbers exactly but if I remember correctly around 70-80 percent is nitrogen, around 20-25 is percent oxygen, 0.9 percent is argon, and 0.1 percent other gases. 

3.) Glass is made from sand at least that's one popular element of making sand. one gathered, they are put into a high temperature and would soon make glass coming out of it within time.

Answer:

the answer is b. because liquid always bubble when boiling

Answer: D. Lever

Explanation: The biceps muscle provides the effort (force) and bends the forearm against the weight of the forearm and any weight that the hand might be holding. Many muscle and bone combinations in our bodies are of the Class 3 lever type.

To find the volume of the solid obtained by rotating the region, we will need some more information, such as the function or shape of the region, the axis of rotation, and the interval of rotation. The terms you should be familiar with are:
1. Volume: The measure of the amount of space occupied by a solid figure.
2. Solid: A three-dimensional geometric figure.
3. Rotation: Turning a shape around a fixed point or axis.
4. Region: An area enclosed by a curve or boundaries.
5. Axis of rotation: The line around which the region is rotated to form the solid.
Once you provide these details, I'd be happy to help you find the volume of the solid obtained by rotating the region.

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Answer:

set A is showing the same position in both graphs

Answer:

B

Explanation:

The answer is B.

I'm positive it's B

Answer:

Approximately \(2.69\; {\rm A}\).

Explanation:

Ensure that all values are measured in standard units. Charge should be measured in coulombs, while time should be measured in seconds:

\(\begin{aligned}t &= 3.0\; {\rm hr} \times \frac{3600\; {\rm s}}{1\; {\rm hr}} = 10800\; {\rm s}\end{aligned}\).

Electric current \(I\) is the rate of flow of electric charge.

In order to find the electric current, divide electric charge \(q\) by the time \(t\) required to transfer these charge. If charge \(q\!\) is measured in coulombs and time \(t\!\) is measured in seconds, the unit of current \(I\)would be amperes:

\(\begin{aligned}I & = \frac{q}{t} \\ &= \frac{29000\; {\rm C}}{10800\; {\rm s}} \approx 2.69\; {\rm A}\end{aligned}\).

Answer: It’s kinetic energy

Explanation: when you move your hand or foot, your body has converted potential energy into kinetic energy.

During the phase transition from liquid to gas, the temperature of the object remains constant despite continuous heating. The energy supplied to the object is used to break the intermolecular forces holding the liquid molecules together rather than increasing the temperature.

During the phase transition from liquid to gas, the temperature of the object remains constant at the boiling point of the substance. This phenomenon is known as the latent heat of vaporization. As heat is supplied to the liquid, the energy is used to break the intermolecular forces between the molecules, allowing them to overcome the attractive forces and transition into the gas phase.

While the energy is being absorbed by the liquid to undergo the phase transition, the temperature does not increase. Instead, it remains constant until the entire substance has transitioned to the gas phase. This is because the energy supplied is utilized in the process of changing the state of the substance rather than increasing the kinetic energy of the individual molecules, which would result in a temperature increase.

Once the phase transition is complete, any additional energy supplied will result in an increase in temperature as the gas molecules gain kinetic energy. Thus, the phase transition from liquid to gas involves a constant temperature and a transfer of energy to break intermolecular forces rather than a change in the object's temperature.

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Answer:

A. 119kg

B.0.53m from head

Explanation:

A. Weight = 730+340.

=1170N

F= Wg

W = 1170/9.8

= 119kg

If x is distance from head to CG then 1.92–x is the other distance.

Moments must equal

470x = 330(1.89–x)

470x = 623.7 – 330x

1170x = 623.7

x = 0.53m from head

For a box with a total surface area of 1.2 m2,  the thermal conductivity of the insulating material is mathematically given as

k=5.29*19^{-6} kcal/(s oC m)

Generally, the equation for the   is mathematically given as

P=Ka dT/L

Therefore

k=10*4*10^{-2}/1.2*1.5

k=5.29*19^{-6} kcal/(s oC m)

In conclusion, the thermal conductivity

k=5.29*19^{-6} kcal/(s oC m)

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The chemical process which requires energy is breaking bond in KOH and HBr. Hence, option C is correct.

The capacity to perform work is known as energy in physics. Potential, kinematic, thermodynamic, electromagnetic, chemical, nuclear, and other types are all possible.

As energy is transferred through one body to another, there is also heat and work. As a result, heat transfer may result in thermal energy, whereas labor done may result in mechanical power.

As per the given reaction in the question,

KOH + HBr - KBr + H20

Here, in this reaction the chemical process which requires the energy is at the time of breaking of bonds in KOH and HBr at that time the energy is required.

Therefore, it is concluded that breaking bonds in KOH and HBr i.e., option C is correct.

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Explanation:

Its organism are one cell I think

The voltage across the inductor initially is 6.0 V and decays to zero as the current in the inductor reaches its steady-state value of 1.0 A.

To analyze this circuit, we can use Kirchhoff's laws, which state that the sum of the voltages around a closed loop in a circuit is zero, and the sum of the currents into a node is zero.

First, we can find the total resistance in the circuit by adding the internal resistance of the battery and the resistance of the inductor's windings:

R_total = R_inductor + R_internal

R_total = 6.0 Ω + 3.0 Ω

R_total = 9.0 Ω

Next, we can find the current in the circuit by using Ohm's law:

I = V / R_total

I = 9 V / 9.0 Ω

I = 1.0 A

Now, we can use the relationship between voltage, current, and inductance to find the time-varying voltage across the inductor:

V_L = L * (dI / dt)

Here, dI/dt is the rate of change of the current in the inductor over time. Since the circuit is DC, the current is constant, so dI/dt = 0. Therefore, the voltage across the inductor is initially equal to the battery voltage, and then decreases to zero as the current in the inductor reaches its steady-state value.

So, the voltage across the inductor is:

V_L = I * R_inductor

V_L = 1.0 A * 6.0 Ω

V_L = 6.0 V

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The acceleration of the person standing on the floor (F) is equal to the acceleration of the person hanging on the rope suspended from the ceiling (R). Both accelerations have the same magnitude and direction. The correct option is b.

The acceleration of the first person is equal to the acceleration of the second person. The two people, one standing on the floor and the other hanging on a rope suspended from the ceiling, have the same acceleration in the same direction.

According to Newton's laws of motion, each body has its own gravitational force acting on it. The gravitational force is determined by the mass of an object and the gravitational field that surrounds it.

The weight of the person on the floor of the elevator can be computed by multiplying his mass by the acceleration due to gravity. The weight of the person hanging from the ceiling can also be calculated in the same way. Although his weight is not in the downward direction of the gravitational field, his mass is still influenced by it.

The tension in the rope, on the other hand, is equal in magnitude to the gravitational force on the person hanging from it, but in the opposite direction. The tension opposes the force of gravity on the person in this case. It's the same as the weight of the person hanging from the ceiling.

In summary, the acceleration of the first person to the acceleration of the second person b. are equal and have the same direction.

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The horizontal acceleration of the softball after she lets go of the ball is  0 m/s².

option B is the correct answer

During a projectile motion, the vertical acceleration of a projectile decreases as the projectile moves upwards and eventually become zero as the object reaches the maximum height.

As the object begins move downwards, the vertical velocity of the projectile increases and eventually becomes maximum before the object hits the ground.

During the horizontal motion of a projectile, the horizontal velocity of the projectile does not change. That is the initial horizontal velocity of the projectile equals the final horizontal velocity of the projectile.

a = v - u/t

where;

Since, final horizontal velocity = initial horizontal velocity

v = u

a = 0

In summary, the vertical velocity of the a projectile changes while the horizontal velocity does not change. This results in a zero horizontal acceleration of the projectile.

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Answer:

I can't get a clear explanation of the question

The final temperature of the water after all the ice melts is approximately 8.6 °C.

Heat = mass × specific heat × temperature change

Heat of fusion = mass × heat of fusion

Heat of vaporization = mass × heat of vaporization

Let's solve each problem step by step:

A total of 645 cal of heat is added to 5.00 g of ice at -20.0 °C. What is the final temperature of the water?

a) Heat required to raise the temperature of ice to 0 °C:

Heat = 5.00 g × 0.5 cal/g°C × (0 °C - (-20.0 °C)) = 100 cal

b) Heat required to melt the ice at 0 °C:

Heat = 5.00 g × 80 cal/g = 400 cal

c) Heat required to raise the temperature of water from 0 °C to the final temperature:

Heat = 5.00 g × 1 cal/g°C × (T final - 0 °C)

Now, let's add up the heats from each step:

Total heat = 100 cal + 400 cal + 5.00 g × (T final - 0 °C) cal

We know that the total heat added is 645 cal:

645 cal = 500 cal + 5.00 g × (T final - 0 °C) cal

Simplifying the equation:

5.00 g × (T final - 0 °C) = 145 cal

Solving for T final:

T final = (145 cal / 5.00 g) + 0 °C = 29.0 °C

Therefore, the final temperature of the water is 29.0 °C.

Two 20.0 g ice cubes at -12.0 °C are placed into 225 g of water at 25.0 °C. Calculate the final temperature, T f, of the water after all the ice melts.

a) Heat required to raise the temperature of ice to 0 °C:

Heat = 2 × 20.0 g × 0.5 cal/g°C × (0 °C - (-12.0 °C)) = 480 cal

b) Heat required to melt the ice at 0 °C:

Heat = 2 × 20.0 g × 80 cal/g = 3200 cal

c) Heat required to raise the temperature of water from 25.0 °C to the final temperature:

Heat = 225 g × 1 cal/g°C × (T f - 25.0 °C)

Now, let's add up the heats from each step:

Total heat = 480 cal + 3200 cal + 225 g × (T f - 25.0 °C) cal

We know that the total heat added is 0 cal (no energy transferred to or from the surroundings):

0 cal = 3680 cal + 225 g × (T f - 25.0 °C) cal

Simplifying the equation:

225 g × (T f - 25.0 °C) = -3680 cal

Solving for T f:

T f = (-3680 cal / 225 g) + 25.0 °C ≈ 8.6 °C

Therefore, the final temperature of the water after all the ice melts is approximately 8.6 °C.

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Answer:

Explanation:

The mass of the object can be found by using the formula

\(m = \frac{p}{v} \\ \)

p is the momentum

v is the velocity

From the question we have

\(m = \frac{10}{20} = \frac{1}{2} \\ \)

We have the final answer as

Hope this helps you

Answer:

Because water is wet

Explanation:

Water is wet

The radiation from the corona of the sun, with a temperature of approximately 1 million K, peaks in the extreme ultraviolet (EUV) part of the electromagnetic spectrum.

The corona of the sun is the outermost layer of the sun's atmosphere and is significantly hotter than the surface of the sun, known as the photosphere. The high temperature of the corona results in the emission of radiation across the electromagnetic spectrum.

Based on its temperature of approximately 1 million K, the radiation emitted by the corona peaks in the extreme ultraviolet (EUV) region of the electromagnetic spectrum. The EUV range spans wavelengths from approximately 10 to 100 nanometers (nm) or energies from about 10 to 120 electron volts (eV).

The EUV radiation emitted by the sun's corona is of great interest to scientists studying the sun's atmosphere and its impact on space weather.

Specialized instruments and telescopes, such as those aboard solar observatories, are designed to capture and analyze the EUV emissions to better understand the dynamics and properties of the corona.

Therefore, the corona of the sun, which has a temperature of around 1 million K, emits radiation that reaches its highest intensity in the extreme ultraviolet (EUV) region of the electromagnetic spectrum.

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Answer:

3)No, it's speed is constant.

The activation energy for the reaction when the temperature is raised to 318k and rate of reaction has increased by a factor of 4.4 is Ea = -ln(4.4) * 8.314 J/mol*K * (1/T1 - 1/318 K).

To find the activation energy for this reaction, we can use the Arrhenius equation:

k = Ae^(-Ea/RT)

where k is the rate constant, A is the pre-exponential factor, Ea is the activation energy, R is the gas constant (8.314 J/mol*K), and T is the temperature in Kelvin.

We know that when the temperature is increased from an initial temperature (let's call it T1) to 318 K, the rate of the reaction increases by a factor of 4.4. We can use this information to set up the following equation:

k(318 K) = 4.4k(T1)

This tells us that the rate constant at 318 K is 4.4 times greater than the rate constant at T1. We can substitute these values into the Arrhenius equation and simplify:

4.4k(T1) = Ae^(-Ea/RT1) * (318 K)

k(T1) = Ae^(-Ea/RT1)

Dividing the first equation by the second equation, we get:

4.4 = e^(Ea/R * (1/T1 - 1/318 K))

Now we can solve for Ea:

Ea = -ln(4.4) * R * (1/T1 - 1/318 K)

Substituting in the values for R and the given temperature change, we get:

Ea = -ln(4.4) * 8.314 J/mol*K * (1/T1 - 1/318 K)

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An object that weighs 100 kg on Earth would have weight of about b) 16 kg on moon.

The weight of an object on the moon is different from its weight on Earth due to the difference in the gravitational force between the two objects. The gravitational force on the moon is much weaker than on Earth because the moon has less mass and a smaller radius.

Gravitational force on moon is 1/6th of gravitational force on Earth. Therefore, an object that weighs 100 kg on Earth would weigh about 16.6 kg (100 kg divided by 6) on the moon.

Therefore, the answer is (b) 16kg. It is important to note that the mass of the object remains the same on both Earth and the moon, as mass is a fundamental property of an object that does not change with location. However, weight is a force that is dependent on the gravitational force acting on the object, so it varies with location.

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The gymnast completes 10 revolutions in the air.

The law of conservation of angular momentum states that the total angular momentum of a system remains constant if no external torques act on the system. In this case, the gymnast starts with a certain amount of angular momentum while performing the cartwheels on the ground, and this angular momentum is conserved as she launches herself into the air and performs flips.

Let I1 be the moment of inertia of the gymnast while performing the cartwheels, and omega1 be the spin rate. When she launches into the air, she changes her moment of inertia to I2 and starts rotating at a new spin rate, omega2. According to the law of conservation of angular momentum:

I1 * Ω1 = I2 * Ω2

We can rearrange this equation to solve for omega2:

Ω2 = (I1 * Ω1) / I2

Now, we can use the equation for rotational kinematics:

θ  = Ω * t

where theta is the total angle rotated, omega is the spin rate, and t is the time. We can solve for the number of revolutions by converting the angle rotated into revolutions:

revolutions = θ/ (2*pi)

Plugging in the given values, we get:

Ω1 = 0.5 rev/s

I1 = (given)

I2 = (given)

t = 2.0 s

Using the conservation of angular momentum equation, we can solve for omega2:

Ω2 = (I1 * Ω1) / I2

Plugging in the values, we get:

Ω2 = (I1 * 0.5) / I2

Using the equation for rotational kinematics, we can solve for the total angle rotated in radians:

θ = Ω2 * t

Converting this angle to revolutions, we get:

revolutions = θ/ (2*pi)

Plugging in the values, we get:

revolutions = (Ω2 * t) / (2*pi) = 10 revolutions (rounded to the nearest whole number)

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