A roof has a surface area of 20000cm². If the atmospheric pressure exerted on the roof is 100000Pa, determine the force on it.(Take g=10N/kg)​

The best description of the bottleneck resource for a process is: It is the resource that takes the longest time.

In process management, a bottleneck refers to a point in the process where the flow of work is limited or constrained, causing a delay in the overall process. The bottleneck resource is the specific resource (such as a machine, equipment, or person) that has the longest processing time compared to other resources in the process.

The presence of a bottleneck resource can significantly impact the efficiency and throughput of the entire process. Since the bottleneck resource takes the longest time to complete its tasks, it creates a bottleneck effect by limiting the overall capacity of the process. The output of the process cannot exceed the capacity of the bottleneck resource, which can lead to waiting times, delays, and inefficiencies in the process.

Identifying and managing the bottleneck resource is crucial for optimizing process performance. Strategies such as increasing the capacity of the bottleneck resource, balancing workloads, improving efficiency, or redesigning the process flow can help alleviate the bottleneck and improve the overall productivity of the process.

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Answer: You can change many things ranging from the size and shape of the paper plane. Cutting slits into the plane allows the air to carry it further.

Most stars take millions of years to die. When a star like the Sun has burned all of its hydrogen fuel, it expands to become a red giant then when it fully runs out it then dies

Answer:

. When the core runs out of hydrogen fuel, it will contract under the weight of gravity.

Explanation:

Each coulomb of charge passing through a V battery is given an energy of V joules. The energy given to each coulomb of charge passing through a battery is determined by the voltage (V) of the battery.

Voltage represents the electrical potential difference between the positive and negative terminals of the battery, and it is measured in volts (V).

The relationship between energy (E), charge (Q), and voltage (V) can be described by the equation:

E = Q * V

In this case, as we are considering the energy given to each coulomb of charge, the charge (Q) is 1 coulomb. Therefore, the energy (E) given to each coulomb of charge passing through a V battery can be simplified to:

E = 1 coulomb * V

Thus, each coulomb of charge passing through a V battery is given an energy of V joules. This relationship shows the fundamental connection between electrical energy and voltage in a circuit.

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Answer:

94.89182692 is the answer but there is only 3 in 8.32 so it rounds to 94.9

so 94.9 is the answer

hope this helps

have a good day :)

Explanation:

It could interact with each other.

Could be like plants getting energy from the sun

To understand the questions, one should know the structure of an atom.

An atom is made up of some subatomic particles. These particles are positively charged, negatively charged and neutral particles.

The positive and negative charged particles neutralize the atom and the neutral subatomic particles are neutrons.

The answer to the questions are as follows:

1. The subatomic particle with no electrical charge is the "neutron".

2. The subatomic particle with a positive charge is the "proton".

3. The subatomic particle with a negative charge is the "electrons".

4. There are the same number of these two particles in an atom are "electrons" & "protons".

5. The atomic number is the same as the number of "protons" in an atom.

To sum up, an atom has different particles such as protons, electrons and neutrons. With protons being the positively charged, electrons are negatively charged and neutrons are neutral. Neutrons and protons are found in the nucleus and the electrons are spread around the nucleus.

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1. Yes. They are located and distributed around the earth (not randomly though)

2. No. They are usually located in distinct zones relating to tectonic plates

3. Yes. They are mostly in the region where plate boundaries are found.

4. Yes.

5. No. They are connected to plate tectonic theory of divergent, convergent, and transform plate boundaries.

6. Yes.

7. No. They are located in various regions around the world.

8. Yes. Divergent and convergent plate boundaries are likely to produce volcanoes.

9. Yes.

10. No. Mountain ranges are formed when continents collide. These collisions can produce earthquakes, and many of these mountain ranges include volcanoes.

The reason for the sound is the fact that there are other channels that are interfering with the particular channel that she was looking for.

We know that radio waves are part of the electromagnetic waves. These are waves that do not require any material medium for them to become propagated thus they are able to move from one place to another even in a vacuum. Radio waves are known to have a long wavelength thus they can travel a far distance.

Given what we have said, we know that a radio is a device that have been built so as to be able to receive the radio waves. However, there are a number of frequencies that we are looking at that could be received by the radio at the same time. This could be referred to by the use of the word co channel interference.

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The magnitude of the weight of the disk is greater than the magnitude of the tension force of the string. ((c) \(F_{T} < F_{g}\))

A rigid body is a system whose geometry cannot be neglected and in which deformations due to external forces applied on the system are negligible.

In this question we need to establish a free body diagram with all critical forces and motion conditions. There are two external forces: (i) tension (\(F_{T}\)), (ii) weight (\(F_{g}\)), both in newtons.

The disk falls due to gravity and rotates around the string in a case of rolling, which combines rotation and translation. By Newton's laws of motion we have the following expression:

\(\sum F = -F_{g}+F_{T} = -m\cdot R\cdot \alpha\)   (1)

Where:

By algebra we derive the following relationship between the two forces:

\(-F_{g} = -F_{T}-m\cdot R\cdot \alpha\)

\(F_{g} > F_{T}\)

Therefore, the magnitude of the weight of the disk is greater than the magnitude of the tension force of the string. ((c) \(F_{T} < F_{g}\)) \(\blacksquare\)

The statement is incomplete and poorly formatted. Correct and complete form is shown below:

A thin uniform disk of mass m and radius r has a string wrapped around its edge and attached to the ceiling. The bottom of the disk is at height 3R above the floor, as shown above. The disk is released from rest. The rotational inertia of a disk around its center is \(I = \frac{1}{2}\cdot M\cdot R^{2}\).

When released from rest, the disk falls and the string unwinds. The force that the string exerts on the disk is \(F_{T}\), and the gravitational force exerted on the disk is \(F_{g}\). Which of the following expression correctly relates \(F_{T}\) and \(F_{g}\) as the disk falls?

(a) \(F_{T} > F_{g}\), (b) \(F_{T} = F_{g}\), (c) \(F_{T} < F_{g}\)

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Answer:

I think its C

Explanation:

The reflection coefficient is approximately 0.025, which means that 2.5% of the incident wave intensity is reflected.

The amount of energy that is reflected depends on the difference in acoustic impedance between the two materials. Acoustic impedance is the product of the density and the speed of sound in the material.

\(R = [(Z2 - Z1)/(Z2 + Z1)]^2\)

Substituting the values into the formula for the reflection coefficient, we get:

\(R = [(Z2 - Z1)/(Z2 + Z1)]^2\)

\(R = [(1.1Z1 - Z1)/(1.1Z1 + Z1)]^2\)

\(R = [(0.1Z1)/(2.1Z1)]^2\)

\(R = 0.025\)

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Part 1: The number of pathways in a circuit determines the possible routes for electric current to flow.

There are maximum of five pathways in this circuit, depending on its complexity and the arrangement of components.

Part 2: Determining whether the circuit is series or parallel requires more information.

In a series circuit, components are connected in a single path, and the current flows through each component sequentially.

If the circuit has only one pathway (zero or one pathway), it suggests a series circuit.

However, if the circuit has multiple pathways (two or more pathways), it indicates a parallel circuit.

To conclusively determine the circuit's nature, we need to analyze the circuit diagram or obtain additional details regarding the component connections and their interactions.

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The net force acting on the charge Q is in the direction D. The net force is the sum of forces from the two point charges Q+ each.

According to Coulomb's law of force, the electrostatic force between two charges separated by a distance of r is given as follows:

Fq =  k q1 q2 /r²

where, k is a constant.

As per this equation, the electrostatic force between two charges will increase as the magnitude of charge increases and the force decreases as the distance between them increases.

Here, the forces acting on the point charge Q- are the forces from the two Q+ charges. They are of different distances from the charges.  The force in the direction E will be greater here. The net force on -Q is acting in the direction D.

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Answer:

B

Explanation:

Remember:

F = m * a

 =  10 * 2  = 20 N

Liquid containers are necessary to store liquids or other fluids, and are manufactured using various materials. These materials have unique properties and physical characteristics to meet the diverse requirements of different fluids and their storage conditions. Two of the materials used to make liquid containers are covalently bonded and metal.

1) Covalently bonded materials:Covalent bonds are strong bonds formed between atoms by sharing electrons. Covalently bonded materials are non-metallic materials that use a covalent bond between atoms to form the material. Examples of covalently bonded materials that can be used to manufacture liquid containers include:

- Polyethylene Terephthalate (PET): PET is a plastic material used to make water bottles and soft drink bottles. PET is lightweight and unbreakable, making it ideal for shipping and storing liquids.

- Polypropylene (PP): PP is a popular plastic material that is lightweight, durable, and resistant to chemical reactions. PP is used to make containers that store harsh chemicals and strong acids, as well as food containers, such as yogurt cups and margarine tubs.

In conclusion, there are many materials available that can be used to manufacture liquid containers, including covalently bonded materials and metals. The choice of material used depends on the type of liquid being stored and the storage conditions.

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Geber’s role in the history of science is the spread of Arabic alchemical theories throughout western Europe.

Geber is an Islamic scholar of the Middle Ages who is considered the father of alchemy and one of the founders or pioneers of pharmacology and modern chemistry.

Geber accepted most of the Arabic alchemical theories and spread them throughout western Europe.

Geber assumed that all metals are composed of sulfur and mercury and gave detailed descriptions of metallic properties in those terms.

He also explained the use of an elixir in transmuting base metals into gold.

Thus, the Geber’s role in the history of science is the spread of Arabic alchemical theories throughout western Europe.

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The force of friction depends on the area of contact between the two surfaces. As the area of contact is less in the case of rolling than in the case of sliding that's why rolling friction is less than the sliding friction. More the contact area more the friction.

velocity = frequency * wavelength

Frequency = Velocity / wavelength

Velocity = 343 m/s

Wavelength = 15 cm

Since 100 cm = 1 meter

15 cm /100 = 0.15 meters

Replacing:

Frequency = 343 m/s * 0.15 m = 51.45 Hz

Answer:

A

Explanation:

Trust me I just took it !

The sample will move very slowly in the opposite direction of the applied magnetic field, but it will eventually come to a stop when it reaches equilibrium.

Diamagnetic materials, unlike ferromagnetic or paramagnetic materials, do not possess any permanent magnetic moment or net magnetic dipole moment. The magnetic force acting on the diamagnetic material is perpendicular to its velocity, and hence it cannot accelerate the material along the direction of the magnetic field.

Since the sample is made of diamagnetic material, it will have a very weak and temporary magnetic moment induced in it when placed in a magnetic field. This induced magnetic moment will be in the opposite direction to the applied magnetic field. Therefore, the sample will experience a force in the direction opposite to the applied magnetic field. However, this force will be very weak since the diamagnetic material has a weak magnetic susceptibility.

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A baseball player hits a 0.154 kg baseball moving at 40 m/sec into the center field at a velocity of 52 m/sec. If the impact lasts 0.005 seconds, the force applied when he impacts the ball is 369.6 Newtons.

To solve for the force applied when the baseball player hits the ball, we can use the equation:

F = m * (Δv / Δt)

where F is the force, m is the mass of the baseball, Δv is the change in velocity (final velocity minus initial velocity), and Δt is the time for the impact.

Given:

m = 0.154 kg (mass of the baseball)

Δv = 52 m/s - 40 m/s = 12 m/s (change in velocity)

Δt = 0.005 s (time for the impact)

Substituting the values into the formula, we get:

F = 0.154 kg * (12 m/s / 0.005 s)

F = 369.6 N

Therefore, the force applied when the baseball player hits the ball is approximately 369.6 Newtons.

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Answer:

the main cause of decreasingthe efficient of simple machine is the effect of friction so, indoder to increase efficiency of a simple machine we should remove the friction using lubricants, decreasing the overload in machine,replacing sliding friction with rolling friction etc,

we should do thses all to increase efficiency of a simple machine.

hope u get it..

The velocity of the basketball player leaving the ground to rise 1.12 m above the floor is 4.09 m/

Let's say the time taken by the ball to rise 1.12 m is t and we are required to find out the velocity at which the player needs to leave the ground to rise 1.12 m above the floor.

Let's consider the final velocity of the player as v_i and the distance traveled by him is s.

Then we can use the equation of kinematics, s = vi*t - 1/2 * g * t^2Where s = 1.12 m, g = 9.8 m/s² (acceleration due to gravity).

We need to find the value of v_i.Let's calculate the value of t. At the highest point, the final velocity becomes zero. Hence using v_i - g*t = 0, t = v_i/g

Substituting this value in the first equation,1.12 = v_i (v_i/g) - 1/2 * g * (v_i/g)^2v_i^2 - g * 1.12 * v_i /g - 2 * g * 1.12 = 0v_i^2 - 11.0v_i - 22.0 = 0v_i = (-(-11.0) ± sqrt(121 - 4*1*(-22)))/2*1v_i = (11.0 ± sqrt(233))/2Using the positive value of v_i since it has to be upwards. v_i = (11.0 + sqrt(233))/2v_i = 4.09 m/s

Summary:The velocity at which the player needs to leave the ground to rise 1.12 m above the floor is 4.09 m/s.

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Two forces that make up electromagnetic forces related both the electric and magnetic forces are caused by the motion of charged particles such as electrons and is therefore denoted as option C.

This is referred to as the type of force which explains how both moving and stationary charged particles interact due to it occurs between electrically charged particles such as a

The electric and magnetic forces which are present are usually caused by the motion of charged particles such as electrons which is therefore the reason why option C was chosen as the correct choice.

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Answer:

\(P=40 \ W\)

Conceptual:

\(\boxed{\left\begin{array}{ccc}\text{\underline{Equations for Work:}}\\W=F \Delta rcos(\theta) \ \text{(Constant} \ \vec F) \\W= \int\limits^{r_2}_{r_1} {Fcos(\theta)} \, dr \ \text{(Varible} \ \vec F) \end{array}\right }\)

The angle "θ" is the angle between the force applied and the direction of displacement.

\(\boxed{\left\begin{array}{ccc}\text{\underline{Formula for Power:}}\\\\P=\frac{W}{t} \end{array}\right}\)

Explanation:

Given that an engine does 400 J of work in 10 seconds. Find the power of the engine.

\(W=400 \ J\\t=10 \ s\)

Plug these values into the formula for power.

\(P=\frac{W}{t} \\\\\Longrightarrow P=\frac{400}{10}\\\\\therefore \boxed{P=40 \ W}\)

Thus, the engines power is calculated.

Answer:

11.963 * 10^(24) photons

Explanation:

Given,
λ = 540 nm = 5.4 * 10^(-7) m
E = 4.40 MJ = 4.4 * 10^(6) J

We know that E = nhc/λ [hc = 1.986 * 10^(-25) Jm]
or, n = Eλ/hc

n = \(\frac{5.4 * 10^-^7 * 4.4 * 10^6}{1.986 * 10^-^2^5 }\)

= 11.963 * 10^(24) photons

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