The component of a refrigeration system that picks up heat particles from the refrigeration cabinet is called

Answer:

A medical proffesional

Explanation:

They deal with injurys and hurt people.

Answer:

Explanation:god is good because the god is what it stays

god is good because the god is what it staysgod is good because the god is what it staysgod is good because the god is what it stays

Bob wanting to bodily harm Ray and is whipping the horse, in this scenario whipping the horse amount to constructive touching.

In the given scenario Bob and Ray are horseback riding and with the intention to cause Ray bodily harm Bob whips rays horse so that it's throws Ray of its back.

The constructive touching is a touching that is inferred or implied from prevailing circumstances.

Whipping the horse so that it causes our bodily harm to the rider is a part that come under the constructive touching.

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The resistance of the heater is 10.3 ohms.

The power (P) dissipated by the electric space heater is given by the formula P = V²/R, where V is the voltage across the heater and R is the resistance of the heater. In this case, the power is given as 1320 W and the voltage is given as 120 V. So we can rearrange the formula to solve for the resistance: R = V²/P. Substituting the given values, we get R = (120 V)² / 1320 W = 10.3 ohms. Therefore, the resistance of the heater is 10.3 ohm

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Answer: The effect is that it would shift the line up and down on the graph.

Explanation:

The first step in developing relations between the motion of weights attached to pulley cables is to understand the basic principles of pulley systems.

Motion is the process of an object changing its position over time. It is a fundamental concept in physics and is studied in fields such as mechanics, astronomy, and thermodynamics. Motion can be described in terms of displacement, speed, velocity, acceleration, and force. Motion can occur in a variety of forms, including linear, rotational, oscillatory, and random. In classical mechanics, motion is described as a particle traveling in a straight line at a constant speed, or as an object moving in a circular path at a constant angular velocity.

Pulleys are used to change the direction of a force, or to increase the magnitude of the force. This is done by using a combination of the pulley, cable, and the weights attached to each end of the cable. By understanding these basic principles, it will be easier to develop relations between the motion of the weights attached to the pulley cables.

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Answer:

their weight difference

Explanation:

weight adds to kinetic energy. a heavier object will have a higher kinetic energy because the extra weight will slowly increase or decrease the velocity depending on if it's being sent down a decline or inclined plane

The statement being true when the car is slowing down due to the application of the brakes is : The brakes do negative work on the car.

The correct answer is option A.

When a car is slowing down due to the application of the brakes, the brakes apply a force of friction in the opposite direction to the car's motion. According to the work-energy principle, work is done when a force acts on an object and displaces it. The work done by a force is given by the equation:

Work = Force × Displacement × cos(θ)

In this case, the force applied by the brakes is in the opposite direction to the displacement of the car, resulting in an angle of 180 degrees. Since the cosine of 180 degrees is -1, the work done by the brakes is negative.

Negative work means that energy is being transferred from the car to the brakes. The frictional force of the brakes converts the kinetic energy of the moving car into other forms of energy, such as heat and sound. This causes the car to slow down and ultimately come to a stop.

It's important to note that work is a scalar quantity, meaning it only has magnitude and no direction. Therefore, the negative sign indicates the transfer of energy in the opposite direction of the displacement.

Option B, stating that the brakes do no work on the car, is incorrect because work is indeed being done by the brakes to slow down the car.

Option C, suggesting that the brakes can do positive or negative work depending on the car's direction, is incorrect because the work done by the brakes is consistently negative regardless of the car's direction.

Option D, stating that the brakes do positive work on the car, is incorrect based on the explanation above. The brakes do negative work by transferring energy from the car to the braking system.

Therefore, from the given options the correct one is option A.

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Answer:

Biodiversity is the biological variety and variability of life on Earth. Biodiversity is a measure of variation at the genetic, species, and ecosystem level. Terrestrial biodiversity is usually greater near the equator, which is the result of the warm climate and high primary productivity.

Answer:

Bio means life

Explanation:

Biodiversity means life on earth.

Molality (m) is a measure of the concentration of a solute in a solution, and is defined as the number of moles of solute per kilogram of solvent.

The equation for molality is:

m = moles of solute / mass of solvent in kg

Concentration is the ability to focus one's attention and mental effort on a specific task or activity. It involves filtering out distractions and staying attentive to the task at hand. The level of concentration can vary depending on the person, the task, and the environment.

Concentration is an important aspect of productivity and can help individuals achieve their goals more efficiently. A lack of concentration can lead to procrastination, errors, and reduced performance. There are many techniques that can help improve concentration, such as creating a quiet and organized workspace, breaking tasks into smaller manageable parts, taking breaks, and avoiding multitasking. Additionally, engaging in activities that promote mindfulness, such as meditation and yoga, can also improve concentration.

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Answer:

a) Time = 2.67 s

b) Height = 35.0 m

Explanation:

a) The time of flight can be found using the following equation:

\( x_{f} = x_{0} + v_{0_{x}}t + \frac{1}{2}at^{2} \)   (1)

Where:

\( x_{f}\): is the final position in the horizontal direction = 80 m

\( x_{0}\): is the initial position in the horizontal direction = 0

\(v_{0_{x}}\): is the initial velocity in the horizontal direction = 30 m/s

a: is the acceleration in the horizontal direction = 0 (the stone is only accelerated by gravity)

t: is the time =?  

By entering the above values into equation (1) and solving for "t", we can find the time of flight of the stone:  

\( t = \frac{x_{f}}{v_{0}} = \frac{80 m}{30 m/s} = 2.67 s \)

b) The height of the hill is given by:

\( y_{f} = y_{0} + v_{0_{y}}t - \frac{1}{2}gt^{2} \)

Where:

\( y_{f}\): is the final position in the vertical direction = 0

\( y_{0}\): is the initial position in the vertical direction =?

\(v_{0_{y}}\): is the initial velocity in the vertical direction =0 (the stone is thrown horizontally)            

g: is the acceleration due to gravity = 9.81 m/s²

Hence, the height of the hill is:

\( y_{0} = \frac{1}{2}gt^{2} = \frac{1}{2}9.81 m/s^{2}*(2.67 s)^{2} = 35.0 m \)  

I hope it helps you!

Answer:

HOPEFULLY i am correct but i say its D. Hopefully I helped!✨

Answer: It can be A or B

Explanation: In physics, motion is the phenomenon in which an object changes its position over time. Motion is mathematically described in terms of displacement, distance, velocity, acceleration, speed, and time.

Answer:

15.0 N

Explanation:

see pic

The force of the swing is 8.33 N.

The definition of force in physics is: The push or pull on a massed object changes its velocity. An external force is an agent that has the power to alter the resting or moving condition of a body. It has a direction and a magnitude.

Given that:  fluid resistance of the wind = 8.19 N.

The golf ball with a mass of 0.045 kg accelerates 3.01 m/s^2 through the fluid resistance of the wind.

Let  the force of the swing is F.

Now, from Newton's 2nd law of motion:

ΣF = ma

⇒ F - 8.19 = 0.045×3.01

⇒ F = 8.33 N.

Hence,  the force of the swing is 8.33 N.

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Answer:

its D

Explanation:

i just got it correct on a. p. e. x. :)

When loading a trailer, more than half the weight should be placed in the back half of the trailer. The given statement is false.

When loading a trailer, more than half of the weight should actually be placed in the front half of the trailer, not the back half. This helps to maintain stability and control while towing the trailer.

Ideally, 60% of the weight should be placed towards the front half, with the remaining 40% distributed towards the back half.
In order to ensure proper weight distribution and trailer stability, it is essential to place more than half of the load weight in the front half of the trailer, rather than the back half.

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The total work done on the box by the student while pushing it from the bottom to the top of the incline is 300 joules.

To calculate the work done, we need to consider two components: the work done against gravity and the work done parallel to the incline. First, let's calculate the work done against gravity. The box is lifted vertically by 2.0 meters, so the work done against gravity is given by the formula: work = force × distance × cos(theta), where theta is the angle between the force and the direction of displacement.

Since the force is acting vertically upward and the displacement is also vertical, the angle theta is 0 degrees, and cos(0) is equal to 1. Therefore, the work done against gravity is 50 N × 2.0 m × 1 = 100 J.

Next, let's calculate the work done parallel to the incline. The force applied by the student is 25 newtons, and the displacement along the incline is 6.0 meters. The angle between the force and the direction of displacement is also 0 degrees, so cos(0) is equal to 1. Therefore, the work done parallel to the incline is 25 N × 6.0 m × 1 = 150 J.

Finally, we add the work done against gravity (100 J) and the work done parallel to the incline (150 J) to obtain the total work done on the box, which is 100 J + 150 J = 300 J. Thus, the total work done on the box by the student while pushing it from the bottom to the top of the incline is 300 joules.

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Mass of copper block, m = 8.96 g

Constant molar heat capacity of copper, c1 = 24.44 J K⁻¹ mol⁻¹

Initial temperature of copper block, T1 = 85°C

Mass of water, M = 125 g

Constant molar heat capacity of water, c2 = 75.29 J K⁻¹ mol⁻¹

Initial temperature of water, T2 = 25°C

Heat is transferred from the copper block to the water until both reach a common temperature, T. We are to find the change in entropy for each process using the following formula:

Change in entropy, ΔS = Q / T

where Q is the amount of heat transferred and T is the common temperature of the system. Since the process is reversible, we can also write this as:

ΔS = ∫ dQ / T

Change in entropy of copper block:

The amount of heat transferred from the copper block to the water, Q1 = mc1ΔT = (8.96/63.546) × 24.44 × (T - 85) J/K

where ΔT = T - T1 is the change in temperature.

Using the formula for change in entropy:

ΔS1 = Q1 / T = (8.96/63.546) × 24.44 × (T - 85) / T J/K

Change in entropy of water:

The amount of heat transferred from the copper block to the water is the same as the amount of heat gained by the water, Q2. So,

Q2 = -Q1 = -(8.96/63.546) × 24.44 × (T - 85) J

Using the formula for change in entropy:

ΔS2 = Q2 / T = -(8.96/63.546) × 24.44 × (T - 85) / T J/K

Therefore, the change in entropy for the copper block is given by:

ΔS1 = (8.96/63.546) × 24.44 × (T - 85) / T J/K

And the change in entropy for water is given by:

ΔS2 = -(8.96/63.546) × 24.44 × (T - 85) / T J/K

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Answer:

Reliable, infallible, trustworthy apply to persons, objects, ideas, or information that can be depended upon with confident certainty. Reliable suggests consistent dependability of judgment, character, performance, or result: a reliable formula, judge, car, meteorologist.

Explanation:

Answer:

i think it Naturalistic observation

Explanation:

The force of the impact equals 3000 pounds if you strike a stationary object while moving at 30 mph and weighing 100 pounds (mass times acceleration). This statement is false.

Weight is a measure of the force with which an object is pulled towards the center of the Earth due to gravity. It is proportional to an object's mass, but it also depends on the gravitational field strength at a particular location. In contrast, mass is a measure of the amount of matter in an object and is a fundamental property of an object that does not change with location.

The force of impact that results from a collision is determined by the object's mass and velocity. When an object is in motion, it possesses kinetic energy, which is given by the formula \($KE = \frac{1}{2}mv^2$\), where m is the mass of the object and v is its velocity. When the moving object collides with a stationary one, the kinetic energy is transferred to the stationary object, causing it to deform or break apart. The force of impact is the product of the time over which the collision occurs and the rate at which momentum is transferred, which is given by the formula F = Δp/Δt, where Δp is the change in momentum and Δt is the time interval over which it occurs.

Therefore, the force of impact in a collision depends on the mass, velocity, and time of collision, and cannot be determined solely from an object's weight. In the example given, the force of impact would depend on the mass of the object, its velocity at the time of the collision, and the time interval over which the collision occurred. It is not correct to assume that the force of impact would be 3000 pounds simply because the object weighs 100 pounds and is traveling at 30 mph.

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Answer:

1) 3.1 m/s

2) 7 m/s

Explanation:

Distance due north = 80 m

Distance due south = 30 m

Distance between north and south = (80 - 30) m = 50 m

Total time = (12 + 4) sec = 16 sec

1) Average speed = 50/16 = 3.1 m/s

2) Average velocity = Total distance/total time = (80 + 30) m/16 s = 110/16 = 7 m/s

As the clump of colored fluid at the bottom of the lava lamp reaches the top, Its temperature increases. Temperature directs to the hotness or coldness of a body.

Temperature directs to the hotness or coldness of a body. In clear terms, it is the method of finding the kinetic energy of particles within an entity. Faster the motion of particles more the temperature.

Temperature is essential in all areas of Science right from Physics to Geology and also it is important in most parts of our everyday life.

The clump of colorful fluid at the bottom of the lava lamp rises to the top because the clump, as the heavier liquid, absorbs heat and expands, becoming less dense and rising.

Due to this the temperature is increasing.Hence As the clump of colored fluid at the bottom of the lava lamp reaches the top, Its temperature increases

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Answer:

A density

Explanation:

all the others were wrong smh had to redo quiz after all

75km=75000m

35min=2100 seconds

Velocity=Displacement/Time

=75000/2100

=750/21

=35.71 m/s

Answer:

Is always towards the center of the Earth

Explanation:

As a satellite moves around the Earth in a circular orbit, the direction of the force of gravity is always towards the center of the Earth. At an altitude of 100 km, you would be so high that you would see black sky and stars if you looked upwards.

The largest permissible bending moment for the composite bar is 0.083 Nm for the aluminum section and 0.000396 Nm for the brass section when the bar is bent about a vertical axis.

To determine the largest permissible bending moment for the composite bar, we need to calculate the moment of inertia for each material separately and use the parallel axis theorem to find the total moment of inertia.

The moment of inertia for the aluminum section is 5.19 × \(10^{-9}\)\(m^{4}\) and for the brass section is 1.23 × \(10^{-11}\)\(m^{4}\). The total moment of inertia for the composite bar is 5.22 × \(10^{-9}\) \(m^{4}\).

Using the allowable stress and moment of inertia, we can find the largest permissible bending moment for each section. For the aluminum section, the largest permissible bending moment is 0.083 Nm, and for the brass section, it is 0.000396 Nm.

Therefore, the largest permissible bending moment for the composite bar is 0.083 Nm for the aluminum section and 0.000396 Nm for the brass section, when the bar is bent about a vertical axis.

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Answer:

Explanation:

you got that wrong it is  a 0.4