In school, Brendan has been conditioned to get up from his seat every time he hears the school bell ring. Brendan was sitting at McDonalds eating with friends, when a loud sound similar to the school bell rang from the kitchen. Without even thinking, Brendan jumped out of his seat at McDonalds.



Label the following for this scenario:

a. Unconditioned Stimulus (US)_

b. Conditioned Stimulus (CS)_

c. Unconditioned Response (UR)_

d. Conditioned Response (CR)_

The connection of three strings of patio lights, One whole string does not light, but all bulbs in the other two strings do three strings are connected in series, while each string's bulbs are connected in parallel.

The voltage across each component in a parallel connection is equal to voltage throughout the network, despite each component being connected via a different path.

The three strings are connected in series, while each string's bulbs are connected in parallel. The remaining strings of bulbs will continue to glow even if one bulb in a string fails.

Therefore, three strings are connected in series while each string's bulbs are connected in parallel.

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The main cause of melting along subduction zones is the d. release of water from the subducting plate.

Subduction zones are areas where one tectonic plate moves beneath another, causing the denser plate to sink into the mantle. This process generates a significant amount of heat, which contributes to the melting of rocks in the mantle lithosphere.
As the subducting plate moves deeper into the mantle, it experiences increasing pressure and temperature. The minerals within the subducting plate contain water, which is released as the plate is subjected to these extreme conditions. This released water reduces the melting point of the surrounding mantle rocks, causing them to partially melt.

This partial melting creates magma, which can rise through the mantle lithosphere and eventually reach the Earth's surface, resulting in volcanic activity. The release of water from the subducting plate, therefore, plays a crucial role in generating the magma that leads to volcanic eruptions along subduction zones.
In summary, the main cause of melting along subduction zones is the d. release of water from the subducting plate, which lowers the melting point of surrounding mantle rocks and generates magma. This magma can rise through the mantle lithosphere, causing volcanic activity in these regions.

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The main cause of melting in subduction zones is the release of water from the subducting plate, which lowers the melting temperature of the surrounding rocks and causes them to melt.

The main cause of melting along subduction zones is primarily the release of water from the subducting plate (option d). When the oceanic lithosphere subducts, it carries with it water that has been trapped in the minerals of the crust and upper mantle. This water lowers the melting temperature of the surrounding rocks, causing them to melt and form magma. This is termed 'flux melting'. For example, the subduction of the Pacific Plate beneath the North American Plate in the Cascadia subduction zone causes intense volcanic activity in the Pacific Northwest.

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The distance traveled by the mace is 4π meters.

When the knight swings the mace in two complete circles, the mace travels a distance equal to the circumference of two circles with radius 1m. The formula for the circumference of a circle is given by:

C = 2πr

where C is the circumference and r is the radius.

For each complete circle, the circumference is:

C = 2π(1m) = 2π m

So, for two complete circles, the total distance traveled by the mace is:

distance = 2C = 2(2π m) = 4π m

Therefore, the distance traveled by the mace is 4π meters.

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Two vectors can be added together to determine the result (or resultant). ... computing the vector sum of all the individual forces acting upon that object.

i hope u understand

Answer:

C. The water molecules must gain kinetic energy

Explanation:

Whut school do u go to- my school uses the whole (-- points) thing too

Addition of vectors is done by adding the components of the vectors

The total speed of the fan  is approximately 9.43 m/s,

Direction of total wind 58° counterclockwise from the positive x-axis

The reason the value is correct is as follows:

The given parameters are:

The direction at which the fan blowing at 5 m/s is blowing = Easterly

The direction in which the fan blowing 8 m/s is blowing = Northerly

The total speed of the van, |v| ≈ 9.43 m/s

Required:

To find the total wind speed of the fans

Solution:

Taken the easterly direction as the ith component, and the northerly direction as the jth component,  the vector representing the speed of the fan is presented as follows

v = 5·i + 8·j

The magnitude of the total wind speed of the fan, |v| = √(5² + 8²) = √(89) ≈ 9.43

The total wind speed of the fan , |v| ≈ 9.43 m/s

The direction of the total speed with respect to the x-axis, θ, is given as follows;

θ = arctan(8/5) ≈ 58°

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Answer:

B. and D.

Explanation:

phases of matter are solid liquid and gas

Answer:

b and d

Explanation:

phases are solid liquid and gas

Answer:

The joule is the standard unit of energy in electronics and general scientific applications. One joule is defined as the amount of energy exerted when a force of one newton is applied over a displacement of one meter. One joule is the equivalent of one watt of power radiated or dissipated for one second.

Hope it helps ^^

Answer:

I think it's 250

Explanation:

If the car is traveling 50 km/hr that means every hour, the car drives 50 km. So if you want to know how far it will go in 5 hours you do 50x5.

The mass density of a cube of a certain metal with 0.040 m sides and a mass of 0.48 kg is calculated by dividing the mass of the cube by the volume of the cube. The mass density is (e) 7500 kg/m³.

To find the mass density of the cube, we can use the formula:

mass density = mass / volume

Since the cube has equal sides of 0.040 m, its volume is given by:

volume = length × width × height = 0.040 m × 0.040 m × 0.040 m = 0.000064 m³

We know the mass of the cube is 0.48 kg, so we can now calculate the mass density:

mass density = 0.48 kg / 0.000064 m³ = 7500 kg/m³

Therefore, the mass density of the cube is 7500 kg/m³, and the correct answer is (e).

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Answer:

True

Explanation:

Answer:TRUE

Explanation:

The action-reaction force pairs are the pairs of forces which have an equal and opposite magnitude and direction on the object.

Action-reaction force pairs are the forces of equal magnitude and opposite directions which can act on different objects. They never act on the same object present in the space. Newton's third law states that forces are the result of interactions. An object cannot exert a force on another object without feeling any reaction force itself.

A. A skier uses her ski poles to start moving downhill, in this case the skier is applying a force on the ski poles to move forward however, there is resistance force against it.

B. A boat propeller spins rapidly in the water. A propeller applies force to move in the water however, if it is in the direction of motion of water, then it moves faster otherwise it will face resistance.

C. A baseball player hits a pitched ball with a bat, in this case while pitching the ball, the baseball player will experience a force against the direction of throw

D. A party balloon contains rapidly moving helium atoms, in this case the rapidly moving atoms exert force on the balloon which is balanced by the force applied by the balloon material on it. If the force of helium atoms increase, then the balloon may blast.

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The value that represents the mass of block C that would keep crate D in equilibrium is 196.2 kg (Option D).

To determine of value that represents the mass of block C that would keep crate D in equilibrium, ee can begin by determining the tension in the ropes. Since the crate is held in a certain location by two blocks, the tension in the ropes should be equal. We can use this fact to calculate the tension in the ropes by assuming that they have the same magnitude.

In this case, let T be the tension in each rope segment. The forces acting on the system can be represented in the following free-body diagram:

For the x-direction: T sin 30° = T sin 60° + µg = 0

where µ is the coefficient of friction and g is the acceleration due to gravity. Since the pulleys are frictionless, µ = 0. Therefore, we can simplify the equation as follows:

T sin 30° = T sin 60°

Dividing both sides by T:

sin 30° = sin 60°/2

This gives us: T = (2/√3) mg where m is the total mass of the system and g is the acceleration due to gravity.

Substituting the given values, we obtain:

T = (2/√3) × 150 × 9.81 ≈ 1962 N

Next, we can use the law of the lever to calculate the mass of block C required to keep the crate in equilibrium. According to this law, the sum of the moments acting on the system must be zero. We can choose the point where the ring is attached to the rope as the pivot. This gives us the following equation:

(135 kg)(9.81 m/s²)(3 m) + (mC)(9.81 m/s²)(6 m) - (150 kg)(9.81 m/s²)(4.5 m) - (1962 N)(3 m) = 0

Simplifying: (135)(3) + (6mC) - (150)(4.5) - (1962)(3) = 0

Rearranging: 6mC = 150(4.5) + 1962 - 135(3)

6mC = 2127

mC ≈ 196.2 kg

Therefore, the value that represents the mass of block C required to keep crate D in equilibrium is approximately 196.2 kg. Thus, the correct option is D.

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Answer:

Chuck Yeager

Explanation:

One bullet has twice the mass of another bullet. if both bullets are fired so that they have the same speed, the kinetic energy of the less massive bullet is half the kinetic energy of the more massive bullet.

The kinetic energy of the less massive bullet is half the kinetic energy of the more massive bullet. This is because kinetic energy (KE) is calculated using the formula KE = 0.5 * mass * speed^2. Since both bullets have the same speed, the kinetic energy will be directly proportional to their masses.

The kinetic energy of the less massive bullet is half the kinetic energy of the more massive bullet. This is because kinetic energy is directly proportional to the mass of the object and the square of its velocity. Since both bullets have the same speed, the kinetic energy of the more massive bullet is greater due to its higher mass. Therefore, the kinetic energy of the less massive bullet is half that of the more massive bullet.

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Answer:

1.92 kg of nitrogen.

Explanation:

The following data were obtained from the question:

Heat absorbed (Q) = 384000 J

Note: Heat of vaporisation (ΔHv) of nitrogen = 5600 J/mol

Next, we shall determine the number of mole of nitrogen that absorbed 384000 J.

This is illustrated below:

Q = mol·ΔHv

384000 = mole of N2 x 5600

Divide both side by 5600

Mole of N2 = 384000/5600

Mole of N2 = 68.57 moles

Next, we shall convert 68.57 moles of nitrogen, N2 to grams.

This can be obtained as follow:

Molar mass of N2 = 2 x 14 = 28 g/mol.

Mole of N2 = 68.57 moles.

Mass of N2 =..?

Mole = mass /molar mass

68.57 = mass of N2 /28

Cross multiply

Mass of N2 = 68.57 x 28

Mass of N2 = 1919.96 g

Finally, we shall convert 1919.96 g to kilograms.

This can be achieved as shown below:

1000g = 1 kg

Therefore,

1919.96 g = 1919.96/1000 = 1.92 kg.

Therefore, 1.92 kg of nitrogen were burned off.

Answer:

Explanation:

i cheat on Acellus cause I dont care about school. If i did I would be going to public school... Im never gonna use this info in my life so I dont bother learning it.

The force of wind resistance from the parachute is approximately 15.29 pounds.

Generally, We can solve this problem using the work-energy principle, which states that the work done on an object is equal to the change in its kinetic energy. At the instant the parachute is deployed, the skydiver's kinetic energy is given by:

K1 = (1/2)mv1^2

where m is the mass of the skydiver and gear, and v1 is the terminal velocity of 134 mph (which we convert to feet per second by multiplying by 1.47).

K1 = (1/2)(178 lb + gear)(134 mph x 1.47 ft/s/mph)^2

= 84,080 ft-lb

At the moment the skydiver touches the ground, their kinetic energy is zero, so the work done by the wind resistance from the parachute is equal to K1. The work done by a force is given by:

W = Fd

where F is the force, and d is the distance over which the force acts. In this case, the force is the wind resistance from the parachute, and the distance is the distance traveled by the skydiver from the deployment altitude of 5,500 feet to the ground.

d = 5,500 ft

So we can solve for the force as:

F = K1 / d

= 84,080 ft-lb / 5,500 ft

= 15.29 lb

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The lightest Douglas fir section is 2x12 for a 2.5m cantilever beam, and the lightest wide flange steel section for a 6m simple beam is W150x13.5.

To determine the lightest Douglas fir section, we first need to calculate the required section modulus (S). Using the formula S = M/bending stress (Fb), where M = wL^2/2 (uniform load formula for cantilever beam) and Fb = allowable bending stress for Douglas fir. For a 2.5m cantilever beam with 4000 N/m load, a 2x12 section suffices.

For the steel section, we use the formula S = M/Fy (allowable bending stress for steel). With a 6m span, 60 kN/m load, and A36 steel, we calculate the required section modulus. The lightest wide flange section meeting this requirement is W150x13.5.

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Answer:

v = 17.68 m/s

Explanation:

Given that,

While standing at a crosswalk, you hear a frequency of 510 Hz from an approaching police car.

After the police car passes, its frequency is 460Hz.

We need to find the speed of the police car.

The formula is as follows :

\(v=\dfrac{v_o(f-f')}{f+f'}\)

Put all the values,

\(v=\dfrac{343(510-460)}{510+460}\\\\=17.68\ m/s\)

So, the speed of the police car is 17.68 m/s.

Answer:

UP

Explanation:

heat rises. That powers convection which is in the link

Answer:

usualy heat moves upwards.

Explanation:

This is due to the fact that there is more empty space higher up, which means that molecules moving at high speeds have more room to move, because there are fewer molecules up there. In the (hence the name) THERMOsphere temperatures can reach 1600 *F I am pretty sure.

Let us cut the work done on gas as we move along the direct path

W=-(-area undercurve),=-[(1.00atm)(4.l-2)+1/2(4-1)(4-2)],W=-5atm

The change in internal energy=-88.5J

What does physics mean by internal energy?

In thermodynamics, internal energy is a property or state functional that characterises a substance's energy in the absence of capillary effects and the impacts of external magnetic, electric, and other fields.

What makes it internal energy?

Internal Energy is the energy in a thermodynamics that is NOT either the system's total kinetic energy or the gravitational potential energy. The system's internal freedom levels are connected to the internal energy.

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Answer:

\(9.5\; {\rm m}\).

Explanation:

Let \(u\) and \(v\) denote the velocity of this hockey player before and after stopping, respectively. The question states that \(u = 9.5\; {\rm m\cdot s^{-1}}\) and implies that \(v = 0\; {\rm m\cdot s^{-1}\) since the hockey player has come to a stop.

The duration of this acceleration is \(t = 2\; {\rm s}\).  

Since the acceleration of this hockey player was constant, SUVAT equation would apply. In particular, the SUVAT equation \(x = (1/2)\, (v + u) \, (t)\) gives the displacement \(x\) of this hockey player during that \(2\; {\rm s}\) of acceleration:

\(\begin{aligned} x &= \frac{1}{2}\, (9.5\; {\rm m\cdot s^{-1}} + 0\; {\rm m\cdot s^{-1}})\, (2\; {\rm s}) = 9.5\; {\rm m} \end{aligned}\).

In other words, this hockey player would have travelled \(9.5\; {\rm m}\) while stopping.

The launch speed of a horizontally launched projectile is 13.28 m/s.

The time of motion is calculated as follows;

t = √(2h / g)

where;

t = √(2 x 19.3 / 9.8)

t = 1.98 s

X = Vxt

Vx = X/t

Vx = (26.3)/(1.98)

Vx = 13.28 m/s

Thus, the launch speed of a horizontally launched projectile is 13.28 m/s.

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Answer:

1. solid to liquid

2.liquid to gas below surface of water

3.liquid to gas at the surface of the water

4. gas to liquid

5. liquid to solid

Magnitude is simply described in physics as "distance or quantity."

The direction can be compared to the angle formed with the x- or y-axis, depending on the application. A vector contains two distinct types of information: a magnitude and a direction.

The point where force is applied is known as the application site, and the direction in which the force is applied is referred to as the direction of the force.A vector's magnitude shows its length, while its direction identifies its direction.

Although there are several ways to express a vector's direction, degrees are the most common. Velocity and acceleration are two examples of vectors. A point is typically denoted by a tiny dot and is given a name using just one capital letter of the alphabet. It lacks direction and magnitude, therefore it is without length or br

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Answer:

sources of energy

Answer:

energy

Explanation:

hope this is the right answer

No atomic  model is a picture of an atom but only helps explain the behavior of one

We know that the atom is the smallest particle of a substance that is able to take part in a chemical reaction. We know that in the atom there are certain smaller particles that we can be able to refer to as the subatomic particles.

In this case, we are talking about the different models that we can be able to use to show the atom. None of these models can be said to show the atom exactly but can approximate how the atom behaves.

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