Witch of the following is the correct definition of convention
A. The transfer of heat by currents
B. The transmission of heat across matter
C. The transmission of heat across empty space
D. The electromagnetic radiation from the surface of an object witch is due to the objects temperature

Answer:

1.97 * 10^8 m/s

Explanation:

Given that:

n = 1.52

Recall : speed of light (c) = 3 * 10^8 m/s

Speed (v) of light in glass:

v = speed of light / n

v = (3 * 10^8) / 1.52

v = 1.9736 * 10^8

Hence, speed of light in glass :

v = 1.97 * 10^8 m/s

Answer:

When a solid reaches the temperature of its melting point, it can become a liquid. For water, the temperature needs to be a little over zero degrees Celsius (0oC) for you to melt.

Explanation:

50J work will do to lift it the same distance

How much energy is wasted during a fall?

When an object is falling freely, its velocity rises because of the acceleration caused by gravity. In the instance of a body that is falling freely, the kinetic energy thus rises while the potential energy falls as the height of the object decreases.

When an object is descending at its terminal velocity, the force of gravity and air resistance are equal, and the object no longer accelerates. The amount of labor done is equal to the sum of the object's displacement and the gravitational force. The modification of the object's potential energy brought on by gravity can also be used to calculate it.

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Given information: The average method reports the following unit data for the forming department. Units completed in the forming department are transferred to the painting department. Production cost information for the forming department follows.

Direct materials:
Units completed during the period = 45,000 units
Ending work in process inventory = 5,000 units
Direct materials cost = $202,500

Conversion costs:
Units completed during the period = 45,000 units
Ending work in process inventory = 5,000 units
Conversion cost = $189,000

a. Calculation of equivalent units of production for both direct materials and conversion for the forming department:
Equivalent units of production = Units completed during the period + (Ending work in process inventory * Degree of completion)
Direct materials:
Equivalent units of production = 45,000 + (5,000 * 50%) = 47,500 units

Conversion costs:
Equivalent units of production = 45,000 + (5,000 * 60%) = 48,000 units

b. Calculation of the cost per equivalent unit of production for both direct materials and conversion for the forming department:
Cost per equivalent unit of production = Total cost for the period / Equivalent units of production

Direct materials:
Cost per equivalent unit of production = $202,500 / 47,500 units = $4.26 per unit

Conversion costs:
Cost per equivalent unit of production = $189,000 / 48,000 units = $3.94 per unit

c. Calculation of the cost assigned to the forming department's output using the weighted average method:
Total cost = Cost of units transferred out + Cost of ending work in process inventory
Cost of units transferred out = Number of units transferred out * Cost per equivalent unit of production
Cost of ending work in process inventory = Number of units in ending work in process inventory * Cost per equivalent unit of production

Direct materials:
Cost of units transferred out = 40,000 * $4.26 per unit = $170,400
Cost of ending work in process inventory = 5,000 * $4.26 per unit = $21,300
Total cost = $170,400 + $21,300 = $191,700

Conversion costs:
Cost of units transferred out = 40,000 * $3.94 per unit = $157,600
Cost of ending work in process inventory = 5,000 * $3.94 per unit = $19,700
Total cost = $157,600 + $19,700 = $177,300

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Tortoises are described as ectothermic or poikilothermic instead of cold-blooded.

Are tortoises cold-blooded or warm-blooded?

Tortoises are ectotherms, but it is inaccurate to describe them as cold-blooded because their blood would be quite warm. This is especially true of mainland tortoises, whose high surface area/volume ratios could cause them to lose heat so slowly that their body temperature could be elevated well above ambient temperature.

What are ectotherms?

Ectotherms are animals that regulate their body temperature by absorbing heat from the environment, also known as cold-blooded animals. They rely on external sources of heat to regulate their body temperature, which means that their metabolism and other physiological processes are dependent on the ambient temperature. Their blood isn't cold; it's just that they don't generate heat internally as warm-blooded animals do. Instead, they rely on the heat from the environment to maintain their body temperature.

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Answer:

Alexander Graham Bell

Hope this helps :)

hope this helps

Answer:

The thermal energy absorbed is 66.98 kJ.

Explanation:

The thermal energy absorbed can be found by using the following equation:

\( Q = mC\Delta T \)

Where:

Q: is the thermal energy =?

m: is the mass of water = 2.00x10² g

ΔT = T₂ - T₁ = 140 °C - 60 °C = 80 °C

C: is the specific heat of water = 4.186 J/(°C*g)

Hence, the thermal energy absorbed is:  

\(Q = mC\Delta T = 2.00 \cdot 10^{2} g*4.186 \frac{J}{^{\circ} C*g}*80 ^{\circ} C = 66976 J = 66.98 kJ\)

Therefore, the thermal energy absorbed is 66.98 kJ.

I hope it helps you!    

The thermal energy absorbed will be 66.98 kJ.heat loss is inverse to heat gain.

Heat gain is defined as the amount of heat required to increase the temperature of a substance by some degree of Celcius.

Given data;

Q(thermal energy) =?

m(mass of water) = 2.00x10² g

C(specific heat of water) = 4.186 J/(°C*g)

ΔT = T₂ - T₁

ΔT = 140 °C - 60 °C

ΔT = 80 °C

It is given by the formula as ;

\(\rm Q= mcdt \\\\ Q= 2.00x10^2 \times 4.186 \times 80 \\\\ Q=66.98 \ kJ.\)

Hence, the thermal energy absorbed will be 66.98 kJ.

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Answer:

84.1 m

Explanation:

Δx = stopping distance = Vot + 1/2at²

find a (acceleration first):

a = ΔV/t = (0 - 26.5 m/s)/4.85 s = 5.46 m/s²

Δx = (26.5 m/s)(0.75s) + (1/2)(5.46 m/s²)(4.85 s)²

Δx = 19.9 m + 64.2 m = 84.1 m

You will hit the car!  During the 0.75 s reaction time, you've already gone 19.9 m, then you need another 64.2 m to come to a complete stop.

Answer:

See below

Explanation:

It is a graph on the x -y coordinate system with (generally ) the y-axis is labelled 'velocity'   and the x - axis is 'time'   <==== with this, you can look at the time and find the velocity at that time on the graph

Answer:

earthquakes are violent ruptures that happen in the earth that causes a giant ravine and they happen when the plates of earth separate

Answer: 268.80 W/m^2

Explanation:

Intensity = Power/Area

first convert radius to meters

1.5mm= 1.5x10^-3m

area= pi (1.5x10^-3)^2

= 7.069m^2

convert power to W

1.9mW= 1.9x10^-3W

plug into intensity formula

(1.9x10^-3)/(7.069) = 268.80 W/m^2

Explanation:

According to newtons first law of motion " A body is at a state of rest or uniform motion unless acted upon by a force (external)" which will either

1. change the direction

2. change the acceleration

3. change the velocity(moves or stop the body from moving)

4. change the shape or size

The angular acceleration of the propeller is 7.54 rad/s²

This can be defined as the rate of change of angular velocity. The S.I unit of angular acceleration is rad/s.

The angular acceleration of the propeller can be calculated using the formula below.

⇒ Formular:

⇒ Where:

From the question,

⇒ Given:

⇒ Substitute these values into equation 1

Note: The negative sign tells that the propeller is slowing down.

Hence, The angular acceleration of the propeller is 7.54 rad/s²

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There are no immediate substitutes for gasoline as public transportation is often limited and walking, biking, or taking a cab is not always feasible. Therefore, people may continue to purchase gasoline despite an increase in price.

One item that is common in our society that I believe is elastic is fast food. Elasticity is the degree to which changes in price affect demand for a good or service.

Fast food is elastic because it has many substitutes such as restaurants, home-cooked meals, and even other fast-food chains. Fast food is also highly responsive to price changes, which means that a small change in price can cause a large change in demand.

For example, a $1 price increase for a burger meal at a fast-food chain might cause many people to switch to a competitor with a cheaper price. Thus, fast food is an elastic product in our society.One item that is common in our society that I believe is inelastic is gasoline.

Gasoline is an inelastic product because it has few substitutes and people need it for transportation. If the price of gasoline increases, people may continue to purchase it even if it means spending more money because there are few alternative options.

Additionally, there are no immediate substitutes for gasoline as public transportation is often limited and walking, biking, or taking a cab is not always feasible.

Therefore, people may continue to purchase gasoline despite an increase in price.

For example, if the price of gasoline increases by $1, a consumer will still purchase gasoline because they require it to get to work or school. Thus, gasoline is an inelastic product in our society.

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One item in our society that I believe is elastic is the price of gasoline  because of  various alternatives to gasoline and the proportion of income spent. An item in our society that I believe is inelastic is medical treatment because of the necessity of medical treatment and lack of substitutes.

Firstly, the availability of substitutes contributes to the elasticity of gasoline. In our society, there are various alternatives to gasoline, such as electric vehicles or public transportation. When the price of gasoline increases, consumers have the option to switch to these substitutes, reducing their demand for gasoline. Conversely, when the price of gasoline decreases, consumers may choose to drive more or purchase larger vehicles, increasing their demand for gasoline. This flexibility in consumer choices demonstrates the elasticity of gasoline.

Secondly, the proportion of income spent on the product also influences the elasticity of gasoline. For many individuals, the cost of gasoline represents a significant portion of their overall budget. When the price of gasoline rises, consumers may have to make adjustments to their spending habits or seek alternative means of transportation to cope with the higher expenses. Conversely, when the price of gasoline decreases, consumers may have more disposable income to spend on other goods and services. This sensitivity to price changes further supports the elasticity of gasoline.

On the other hand, an item in our society that I believe is inelastic is medical treatment. Two determinants of elasticity that contribute to this belief are the necessity of the product and the lack of substitutes.

Firstly, the necessity of medical treatment makes it an inelastic product. When individuals require medical treatment, they often have no choice but to seek the necessary healthcare services regardless of the price. This is especially true for life-saving procedures or medications. The demand for medical treatment is driven by the urgency and importance of preserving one's health, which leads to a less responsive consumer behavior to price changes.

Secondly, the lack of substitutes also contributes to the inelasticity of medical treatment. In many cases, there are limited alternatives or substitutes available for specific medical treatments. For example, if a person requires a specific surgery or medication to treat a condition, they cannot easily switch to a different treatment option to lower their expenses. The lack of viable substitutes reduces consumer choice and makes the demand for medical treatment less responsive to changes in price.

In summary, the price of gasoline is elastic due to the availability of substitutes and the proportion of income spent on the product. On the other hand, medical treatment is inelastic due to its necessity and the lack of substitutes. These determinants of elasticity highlight the different levels of responsiveness to price changes in these two common items in our society.

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Answer: The area of brick in contact with the floor is 1539 \(cm^{3}\).

Explanation:

Given: Length = 19 cm

Width = 9 cm

Height = 9 cm

As the brick is rectangular in shape. Hence, its area will be calculated as follows.

\(Area = length \times width \times height\)

Substitute the values into above formula as follows.

\(Area = length \times width \times height\\= 19 cm \times 9 cm \times 9 cm\\= 1539 cm^{3}\)

Thus, we can conclude that area of brick in contact with the floor is 1539 \(cm^{3}\).

Answer:

4

Explanation:

20-0=20 m/s

20/5=4 m/s2

A modulo-24 counter circuit needs at least five D flip-flops to count up to 24.

A modulo-24 counter circuit needs at least 5 D flip-flops. A D flip-flop, also known as a data or delay flip-flop, is a type of flip-flop that stores the value of the data input.

In a modulo-n counter, the counter's output will change state only when n pulses have been received. In other words, the counter cycles through n states before returning to its original state. For a modulo-24 counter, this implies that there will be 24 states before it repeats the original state.

The state diagram of the modulo-24 counter can be represented as follows:As a result, 24 is equivalent to 11000 in binary. Since there are five digits in 11000, the modulo-24 counter will require at least five D flip-flops.The main answer is that a modulo-24 counter circuit needs at least 5 D flip-flops.

In digital electronics, a counter circuit is used to generate binary numbers using a clock pulse. A counter circuit is a collection of flip-flops that are connected together to form a sequential circuit.

A sequential circuit is a circuit in which the output is dependent on the input and the state of the circuit. There are two types of sequential circuits: synchronous and asynchronous.In synchronous sequential circuits, the output is dependent on the input and the state of the circuit, and the clock is used to synchronize the operation of the flip-flops. The clock pulse controls the operation of the flip-flops.

The flip-flops are triggered at the rising or falling edge of the clock pulse.In asynchronous sequential circuits, the output is dependent on the input and the state of the circuit, but the clock is not used to synchronize the operation of the flip-flops. Instead, the flip-flops are triggered by the output of other flip-flops or external signals.In a counter circuit, the number of flip-flops required depends on the modulus of the counter.

The modulus is the number of states in the counter. For example, a modulus-16 counter has 16 states. A modulus-24 counter has 24 states. A modulus-32 counter has 32 states.A D flip-flop is a type of flip-flop that stores the value of the data input. In a counter circuit, the D flip-flops are used to store the count. The output of the counter is taken from the outputs of the flip-flops.

The conclusion is that a modulo-24 counter circuit needs at least five D flip-flops to count up to 24.

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Answer:

Fracturing can emit seismic waves through the ground.

Explanation:

I believe the answer is seismic, I've studied this before.

If λ occurs as an eigenvalue of A with multiplicity r, then there are r linearly independent eigenvectors associated with λ, and the geometric multiplicity of λ is equal to r.

Let A be an n × n matrix. An eigenvalue of A is a scalar λ such that there is a nonzero vector x satisfying the equation Ax = λx. This equation can be rewritten as the linear system (A − λI)x = 0, where I is the identity matrix. Nontrivial solutions to this equation exist if and only if the matrix A − λI is singular, which means that its determinant is zero. Thus, the eigenvalues of A are the roots of the polynomial equation det(A − λI) = 0, which is called the characteristic equation of A. The algebraic multiplicity of an eigenvalue is the number of times it appears as a root of the characteristic equation. The geometric multiplicity of an eigenvalue is the dimension of the eigenspace associated with that eigenvalue. The eigenspace of an eigenvalue λ is the set of all eigenvectors of A associated with λ, along with the zero vector.

The rank of A is the dimension of its column space, which is the span of its column vectors. The rank of A is equal to the dimension of the row space of A, which is the span of its row vectors. The rank of A is also equal to the number of nonzero singular values of A. If the rank of A is r, then the dimension of the nullspace of A is n − r. If A has r linearly independent eigenvectors associated with a particular eigenvalue λ, then the geometric multiplicity of λ is r. If the algebraic multiplicity of λ is greater than its geometric multiplicity, then there are not enough eigenvectors to form a basis of the eigenspace associated with λ, which means that A is not diagonalizable. If the algebraic multiplicity of λ is equal to its geometric multiplicity, then A is diagonalizable. If λ occurs as an eigenvalue of A with multiplicity r, then there are r linearly independent eigenvectors associated with λ, and the geometric multiplicity of λ is equal to r.

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Answer:

Explained below.

Explanation:

The ball doesn't fall behind the moving cart because the horizontal motion of the ballistic cart is not affected by the forces that act in the vertical direction. Therefore, when the cart is pushed, it means that the ball will shoot up and then it will land right back in the barrel.

To find the magnitude of the velocity of the rock after 2.0 seconds, you need to consider both the horizontal and vertical components of the rock's velocity.

Step 1: Calculate the horizontal velocity (Vx):
Since there is no significant air resistance, the horizontal velocity remains constant. So, Vx = 20 m/s.

Step 2: Calculate the vertical velocity (Vy):
Since the rock is falling under the influence of gravity, we can use the equation: Vy = gt, where g is the acceleration due to gravity (approximately 9.81 m/s²) and t is the time (2.0 seconds).
Vy = (9.81 m/s²)(2.0 s) = 19.62 m/s.

Step 3: Calculate the magnitude of the velocity (V):
Use the Pythagorean theorem to combine the horizontal and vertical components: V = √(Vx² + Vy²).
V = √((20 m/s)² + (19.62 m/s)²) = √(400 + 384.7044) = √784.7044 ≈ 28.02 m/s.

After 2.0 seconds, the magnitude of the velocity of the rock is closest to 28.02 m/s.

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Asia I think that's right

The density of the unknown sample is 0.67 g/ml.

To calculate the density, we use the formula:

Density = Mass / Volume

Mass = 38.00 g

Volume = 56.39 ml

Substituting the values into the formula:

Density = 38.00 g / 56.39 ml

Dividing the mass by the volume, we find:

Density = 0.674 g/ml

Rounding to two decimal places, the density of the unknown sample is 0.67 g/ml.

Density is a measure of how much mass is contained within a given volume. In this case, we are given the mass of the unknown sample as 38.00 g and its volume as 56.39 ml. To find the density, we divide the mass by the volume. By performing the calculation, we obtain a density of 0.674 g/ml.

When rounding the value to two decimal places, the density of the unknown sample is 0.67 g/ml. This means that for every milliliter of the sample, there is 0.67 grams of mass. Density is an important property in chemistry and materials science as it can help identify substances and determine their behavior in various applications.

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The one component of the material of the milky way galaxy that prevents us from seeing and photographing the galactic center at optical wavelengths is interstellar dust.

The Milky Way is a vast collection of stars dust and gas. It is called a spiral galaxy because it looks like a spinning windmill when viewed from above or below. The Sun is in one of the spiral arms about 25,000 light-years away from the center of the galaxy. Astronomers have released the first images of a supermassive black hole at the center of our Milky Way.

The results provide overwhelming evidence that this object is indeed a black hole and provide valuable clues about the workings of the giant galaxies thought to reside at the center of most galaxies. This extreme environment exposes you to intense UV and X-rays. But much of this activity is obscured from view by a huge plume of interstellar dust. The center of our Milky Way is hidden from the prying eyes of optical telescopes by clouds of dust and gas.

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Television can cause the adult or the child to waste valuable hours focusing on the tv when they sdhould engage in other activities

The televison has permeated every aspect of our lives, inundating us with amusement, enlightenment, and instruction, but it also possesses the power to inflict dire consequences on both the young and old.

Even though it can provide enlightenment and pleasure, it can also result in a plethora of issues, including physical, psychological, and social anguish.

In this piece, I will elaborate on a way that television can be detrimental to both adults and youngsters.

Primarily, television can precipitate physical harm. Studies have shown that those who indulge in extended television viewing face the peril of developing maladies such as corpulence, cardiovascular disease, and diabetes.

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The net heat transfer (in MJ) during this heating is 108.07 MJ.

The net heat transfer (in MJ) during this heating can be calculated using the formula,

Q=mc∆T

Where:

Q = net heat transfer (in Joules)

M = mass of the swimming pool (in kg

)c = specific heat capacity of water (4186 J/kgºC)

∆T = change in temperature (in ºC)

Convert 44,000 L of swimming pool to kg using the density of water ρ = m / v

where:

ρ = density of water = 1 kg/L

m = mass of the swimming pool

v = volume of the swimming pool

v = 44,000 L

ρ = 1 kg/L

m = ρv = 1 kg/L x 44,000 L

m = 44,000 kg

Now, substitute the given values into the formula:

Q = mc∆TQ = (44,000 kg)(4186 J/kgºC)(1.4ºC)Q = 108,068,800 Joules

Convert Joules to Mega Joules (MJ):

1 MJ = 1,000,000 JQ (in MJ) = Q (in J) / 1,000,000Q (in MJ) = 108,068,800 J / 1,000,000Q (in MJ) = 108.07 MJ.

Therefore, the net heat transfer (in MJ) during this heating is 108.07 MJ.

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To calculate the time it takes for Eric the Stressed Surveyor to swim 10km south at a speed of 0.5 m/s, we need to use the formula time = distance/speed. The distance is 10km (which we need to convert to meters), and the speed is 0.5 m/s.

To convert 10km to meters, we can use the conversion factor 1km = 1000m. So, 10km is equal to 10,000m. Now, we can substitute the values into the formula: time = distance/speed, time = 10,000m / 0.5 m/s, time = 20,000 seconds. Therefore, it would take Eric the Stressed Surveyor 20,000 seconds to swim 10km south at a speed of 0.5 m/s. In conclusion, to answer your question, Eric the Stressed Surveyor would take 20,000 seconds to swim 10km south at a speed of 0.5 m/s. Eric the stressed surveyor swims at a speed of 0.5 meters per second (m/s) for a distance of 10 kilometers (km) south. To calculate the time it takes for him to cover this distance, we first need to convert the distance from kilometers to meters, and then divide the distance by his speed. 1 km is equal to 1000 meters, so 10 km is equal to 10,000 meters (10 x 1000). Now, we can divide the distance (10,000 meters) by his speed (0.5 m/s) to find the time it takes him to swim this distance: Time = Distance ÷ Speed, Time = 10,000 meters ÷ 0.5 m/s, Time = 20,000 seconds. So, it takes Eric 20,000 seconds to swim 10 km south at a speed of 0.5 m/s.

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The uniform circular motion formula describes the motion of an object moving in a circular path at a constant speed. Here is the formula: v = 2πr/T.

Uniform Circular Motion is a type of motion in which an object moves in a circular path with a constant speed, while maintaining a constant radius. In this type of motion, the object is constantly changing direction but its speed remains constant. An example of uniform circular motion is a satellite orbiting the Earth. The satellite moves in a circular path around the Earth, with a constant speed and radius, while being pulled towards the Earth by the force of gravity. Another example of uniform circular motion is a car moving around a circular racetrack at a constant speed.

Here,

v = 2πr/T

where:

v is the velocity of the object (in meters per second)

r is the radius of the circular path (in meters)

T is the period of the motion (in seconds)

This formula relates the velocity of the object to the radius of the circular path and the period of the motion. It tells us that the velocity is directly proportional to the radius and inversely proportional to the period. This means that if the radius is increased, the velocity will also increase, and if the period is increased, the velocity will decrease.

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Answer:-00=;op

Explanation:poop

Answer:

450 hz X 4 = 1800

Explanation: Speed =

Wavelength (4) X frequency (450)

Im not 100% sure though