If an animal has developed behavioral sensitization to a drug, they will not respond as strongly when re-exposed to the drug. true or false?

Planar Six-Link Mechanism A planar six-link mechanism consists of a four-bar loop with two more links. This mechanism has two fixed joints, one of which is a full joint and the other is a half joint.

The two links connected to the fixed joint are the frame and the crank; the four links connected to the moving joint are the coupler and the rocker. This mechanism has three full joints and three half joints. Full Joints: The joints that have two degrees of freedom and provide a connection between two links.

These joints can transmit force as well as motion, such as revolute and prismatic joints, and are classified as full joints. Full joints are also known as rigid joints because they cannot flex or bend. The planar six-link mechanism has three full joints, namely Joint AB, Joint BC, and Joint CD.

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Tech B is correct it's a verified fact that some auto parts may contain asbestos.

Do auto parts contain asbestos?

Asbestos has been used in a wide range of automotive products, including brakes, clutches, hood liners, gaskets, heat shields, and many others.

Drum and disc brakes were traditionally made with 35% to 60% asbestos. It is still legal in the United States to sell asbestos-containing auto parts, and many brake and clutch parts contain up to 35% asbestos.

Contaminated parts have been found in vehicles of all types, including cars, trucks, motorcycles, buses, trains, and military vehicles. Elevators and other types of transportation machinery also used asbestos brakes.

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The volumetric pipette is the most accurate device to measure the volume of a standard solution. Therefore, the correct answer is (c) i.e. volumetric pipette.

The volumetric pipette is the most accurate pipette out of all for measuring volumetric annalysis. Volumetric pipettes are glasswares that are designed to transfer a particular small volume of sample fluid from one container to another in a very stable and controlled manner while preserving an accurate record of each sample drop.

What are pipettes?

In the context of the laboratory, pipettes are used to transfer liquid from one container to another accurately and swiftly.  While there exist several different types of pipettes, it is vital to take into account that some certain pipettes offer more accuracy as a comparison to others.

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A child under the age of 8 years may sit in the front seat when all the rear seats are already occupied by children under the age of 7 years.

The occupancy rate by children under the age of 7?

The occupancy of buildings by children under the age of 7 is an important consideration in building design and safety. In many countries, building codes and regulations specify requirements for the design and construction of buildings that will be occupied by young children.

For example, in the United States, the International Building Code (IBC) and International Residential Code (IRC) provide guidelines for the design and construction of buildings that will be occupied by children under the age of 7. These codes specify requirements for things such as guardrails, handrails, stairs, and window openings to prevent falls and injuries.

Other considerations for buildings occupied by young children may include the use of non-toxic materials and finishes, childproofing measures such as cabinet locks and electrical outlet covers, and appropriate ventilation and heating systems.

It's important for architects, builders, and building owners to carefully consider the needs and safety of young children when designing and constructing buildings that will be occupied by them. By following appropriate guidelines and regulations, they can help ensure the safety and well-being of young occupants.

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The branch circuit to which a sump pump is connected will typically be a dedicated circuit. A dedicated circuit is a circuit that serves only one specific appliance or device, provid  performance.

In the case of a sump pump, it is commonly connected to a dedicated circuit to ensure that it has enough power and that other appliances or devices on different circuits do not interfere with its operation. Connecting the sump pump to a dedicated circuit helps prevent overloading and tripping of the circuit breaker.It's important to note that electrical code requirements may vary by jurisdiction, so it's always recommended to consult local electrical codes or a qualified electrician for specific guidance on the wiring and branch circuit requirements for a sump pump installation in your area.

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Answer:

A: mobile elecrons

B: electromotive force

c:bonds in the ions

Answer:

a). 5 cylinders

b). 3 cylinders

Explanation:

To develop a gasoline engine that produces

Power, P = 300 hp

               = 300 x 746 = 223710 watt

at speed, N = 600 rpm = 100 rps

and stroke volume \($V_s=0.5$\) L

                                   = \($0.5 \times 10^{-3}\ m^3$\)

a). A naturally aspirated engine

BMEP at peak power = 10 bar

                                    = \($10 \times 10^5\ N/m^2$\)

Suction volume, V = \($V_s \times N$\)

                           = \($0.5 \times 10^{-3} \times 100 = 0.05\ m^3/s$\)

Power produced in one engine cylinder , p = BMEP x V

                                                                        = \($10 \times 10^5 \times 0.05$\)

                                                                        = 50000 watts

No. of cylinders required, n = \($\frac{P}{p}$\)

                                              = \($\frac{223710}{50000}$\)    

                                             = 4.47

So number of cylinders ≈ 5 nos.

b). A turbo charged engine

   BMEP = 20 bar = \($20 \times 10^5\ N/m^2$\)

   and Volume V = \($0.05\ m^3 /s$\)

Power produced in one engine cylinder, p = BMEP x V

                                                                       = \($20\times 10^5 \times 0.05$\)

                                                                       = 100000 watts

Therefore, number of cylinders, n = \($\frac{P}{p}$\)

                                                        = \($\frac{223710}{100000}$\)

                                                        = 2.23

So number of cylinders ≈ 3 nos.

In a convoy brief, the convoy commander usually discusses the factors in the route analysis portion.

The route analysis portion is the part of the convoy brief in which the convoy commander outlines the route and its associated risks, hazards, and environmental factors.

The route analysis also includes any other information relevant to the convoy's success, such as expected weather conditions or other hazards.

This is the portion of the brief in which the convoy commander shares the details of the mission, including objectives, and what to expect at the destination.

The route analysis portion of the convoy brief usually covers more than 100 words.

It is important that the convoy commander provides sufficient detail during this part of the brief to ensure that all members of the convoy understand the risks and hazards associated with the route.

Additionally, convoy members should be familiar with the terrain, road conditions, and any other factors that may impact their ability to complete the mission safely and effectively.

Finally, in order to ensure that all members of the convoy are on the same page,

the convoy commander should give time for questions and provide opportunities for convoy members to ask for clarification or further information.

This helps to ensure that everyone is aware of the factors involved in the mission and can work together to complete it successfully.

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The should be no concerns about the space immediately below the tanks because there will be no damage to anything if any peril causes the tank to falls.

Potential hazards refers to the active source for potential damage on a building, structure etc

It is important we know that the storage tanks are placed on a platform next to the building at the second-floor level but nothing beneath the tanks stands.

Hence, there should be no concerns about the space immediately below the tanks because there will be no damage to anything if any peril causes the tank to falls.

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The angular velocity of gear B and C is 100 rpm and the accelerations of the points on gears B and C which are in contact is 1974 in / s² and 658 in / s².

Angular velocity is defined as the speed at which two bodies move apart angularly or at which an item spins or rotates about an axis. The rotational axis is parallel to the direction of the angular velocity.

Let E is the contact point between gear B and C

vD = f EB ωB = 2 x 10λ = 20λ in / s²

ωC = vE = f EC = 20λ / 6

= 3.333 λ rad / s 60 / 2λ = 100 rpm

Acceleration at point E

On gear B

aB = v²E / r EB

= (20λ)² / 2 = 1973 in / s²

On gear C

aC = v²E / r EC

=  (20λ)² / 6 = 658 in / s²

Thus, the angular velocity of gear B and C is 100 rpm and the accelerations of the points on gears B and C which are in contact is 1974 in / s² and 658 in / s².

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Answer: B. Chest Harness

Explanation: Safety belts, lifelines, lanyards, and chest harness are all things necessary. The answer to your question is chest harness. Without the chest harness, think about what would happen if someone were to fall. I hope I've helped!

Answer:

(c) electronic

Explanation:

for pf, this is correct....Here is the sentence from the pf lesson

" The primary energy source for the controller within buildings is typically electric, pneumatic, or

electronic

."

Answer:

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Answer:

true

Explanation:

don't break or crush mercury-containing lamps because mercury powder may be released?- true

The output y2[n] can be written as y2[n] = ⎩⎨⎧​(−2) n, n≤−1​0, n=0​3, n≥1​.

(i) The input-output relationship of the system can be written as:

y[n] = x[n] * h[n] = x[n] * u[n] = x[n] for all values of n

The system is causal because the output at any time n only depends on the input at the same or earlier times, and not on any future values of the input.

(ii) If the input is x1[n] = (-2)^n u[n], then the output y1[n] can be found as:

y1[n] = x1[n] * h[n] = x1[n] * u[n] = x1[n] = (-2)^n u[n]

(iii) If the input is x2[n] = (-2)^n for n ≤ -1, x2[n] = 0 for n = 0, and x2[n] = 3 for n ≥ 1, then the output y2[n] can be found as:

y2[n] = x2[n] * h[n] = x2[n] * u[n] = x2[n] for all values of n

For n ≤ -1, x2[n] = (-2)^n, so y2[n] = (-2)^n for n ≤ -1.

For n = 0, x2[n] = 0, so y2[n] = 0.

For n ≥ 1, x2[n] = 3, so y2[n] = 3 for n ≥ 1.

Therefore, the output y2[n] can be written as:

y2[n] = ⎩⎨⎧​(−2) n, n≤−1​0, n=0​3, n≥1​

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In regards to discussing automotive batteries. Both technician "A" and "B" are correct. Hence option B is correct.

Automotive batteries must be disposed of or recycled at dedicated facilities because they contain lead and acid, which are hazardous materials. These facilities are equipped to properly handle and dispose of these materials in an environmentally safe way.

Therefore, When jump starting a vehicle, the last connection should be the positive cable. This is because the positive cable carries the electrical charge that starts the vehicle, and connecting it last prevents any sparks from occurring near the battery, which could cause an explosion or fire.

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Neoprene are gloves that are designed and developed to offer good pliability and protect against harmful elements e.g hydraulic fluids, gasoline and alcohols.

A glove can be defined as a personal protection equipment (PPE) that are worn on the hands (from the wrist to the fingers), so as to protect and safeguard it from potential burn and chemical hazards.

In Engineering, neoprene are type of gloves that are designed and developed to offer good pliability and protect against harmful elements such as:

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Each oxygen atom has two bonding pairs and two lone pairs in the hydrogen peroxide (H2O2) molecule's Lewis structure.

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Answer:

Explanation: Here it is: 67 Hope that helps! :)

Technician a says kinetic friction changes kinetic energy into thermal energy. technician b says static friction holds the car in place when it is stopped. Both A and B are correct.

In static friction, there is found to be some frictional force that tends to resists force that is known to be applied to an object, and the object will be at the same sport at rest until the force of static friction is known to be overcome.

In kinetic friction, the frictional force is one that tend to resists the movement of an object.

Therefore, Technician a says kinetic friction changes kinetic energy into thermal energy and technician b says static friction holds the car in place when it is stopped. Both A and B are correct.

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The velocity when the cable becomes taut can be obtained by assuming

that the tugboat collides with a barge moving in the same direction.

Response (approximate value):

Weight of the tugboat, m₁ = 240–ton

Speed of the tugboat, v₁ = 6 ft./s

Weight of the barge, m₂ = 100–ton

Rate at which the towing cable is being unwound, v₂ = 5.4 ft./s

Required:

Velocity of the tugboat after the cable becomes taut.

Solution:

m₁ = 240 ton = 240,000 kg

m₂ = 100 ton = 100,000 kg

The velocity of the barge at rest is assumed to be the rate at which the cable is being unwound, and in the direction of the tugboat.

According to the law of conservation of linear momentum, we have;

m₁ × v₁ + m₂ × v₂ = (m₁ + m₂) × v₃

Which gives;

240 × 6 + 100 × 5.4 = (240 + 100) × v₃

1980 = 340 × v₃

Which gives;

\(v_3 = \dfrac{1980}{340} = \dfrac{99}{17} = 5\frac{14}{17} \approx \mathbf{ 5.824}\)

The velocity of the tugboat after the rope becomes taut is 5.824 ft./s

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Answer:

3216.99 cm³

Explanation:

To find the formula for the volume of a cylinder, we can use A x H, with A being the area of the base and H being the height of the cylinder. We can start with finding the area of the base, using the formula πr². The radius, r, is 1/2 of the diameter.

π * (16*1/2)² = 64π cm²

We can then multiply this base area by the height of the cylinder to get the volume

64πcm² * 16cm = 1024πcm³

We can then round this to the nearest 10th, resulting in 3216.99 cm³.

Answer:

22 Ω

Explanation:

0) to re=write the given schema;

1) to write common equation of U[V];

2) to calculate the value of the current I₁ [A];

3) to write the common equation of current I [A];

4) to calculate the value of the current I₂₃ [A];

5) to calculate the value of R₃ [Ω] using the common equation of U.

The largest torque that can be applied at point A without exceeding the allowable shear stress for either rod is T=44.99 k-in.

The largest torque that can be applied at point A can be determined by using the equation for shear stress of a shaft:
τ=T/J
where τ is the shear stress, T is the applied torque, and J is the polar second moment of inertia.

For the 1.5-in.-diameter steel rod AB:
J=(π/32)D4
where D is the diameter of the rod, so for a 1.5-in. rod, J=(π/32)(1.5)4=3.704 in4.

So, the largest torque that can be applied at point A while maintaining a shear stress of 15 ksi is T=(15 ksi)(3.704 in4)=55.56 k-in.

For the 1.8-in.-diameter brass rod BC:
J=(π/32)D4
where D is the diameter of the rod, so for a 1.8-in. rod, J=(π/32)(1.8)4=5.848 in4.

So, the largest torque that can be applied at point A while maintaining a shear stress of 7.7 ksi is T=(7.7 ksi)(5.848 in4)=44.99 k-in.

Therefore, the answer is T=44.99 k-in.

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The concentration of chloride ions in the solution can be calculated by using the Nernst equation.

The Nernst equation is used to calculate the potential of an electrochemical cell under non-standard conditions. It relates the electrode potential to the concentrations of the species present in the solution.

The Nernst equation is:E = E° - (RT/nF) ln(Q)where, E is the cell potential under non-standard conditions,E° is the standard electrode potential, R is the gas constant, T is the temperature, n is the number of moles of electrons transferred, F is the Faraday constant, and Q is the reaction quotient.In this case, the standard cell potential (E°) is 0.115 V, and the measured cell potential (E) is 0.0925 V.

The reaction is given as:2AgCl(s) + 2e- → 2Ag(s) + 2Cl-(aq)We can see that n = 2 (two electrons are transferred in the reaction).The Nernst equation can be rearranged to solve for the concentration of chloride ions (Cl-) in the solution:ln(Cl-) = (E° - E)/(0.0592/n)ln(Cl-) = (0.115 - 0.0925)/(0.0592/2)ln(Cl-) = 0.378M[Cl-] = e^0.378M[Cl-] = 1.46 MTherefore, the concentration of chloride ions in the solution is 1.46 M.

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A regulator is required on a nitrogen cylinder in order to reduce very high pressure within the gas cylinder to a safer pressure.

A regulator can be defined as a mechanical device that is designed and developed to ensure that a controlled amount of nitrogen gas is supplied from a gas cylinder.

This ultimately implies that, a regulator is required on a nitrogen cylinder in order to reduce very high pressure within the gas cylinder to a safer pressure.

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