for the point charges arragement shown in the figure find the net electrostatic force exerted on Q by q1 and q2

When the motor m winds the wire in at a speed of 1 m/s, the point p on the cable moves at a speed of 4 m>s.

Quickness of motion or activity is known as velocity. Speed is a shorter term and a synonym for celerity. The term "velocity" in physics especially refers to the measurement of an object's rate and direction of positional change. It is a vector quantity that describes a body's motion in terms of both speed and direction.

(La - Lp) + La + 2(La - C) = L

La - Lp + La + 2La - 2C = L

4La - Lp -2C = L

4Va - Vp = 0

4Va = Vp

4Va = 4

Va = 1m/s

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The rate of consumption of coal is approximately 0.102 tons per day.

The heating value of coal, which is the amount of heat released when 1 kilogram of coal is burned, is 30 megajoules per kilogram. If 100% of this heat is used in a cycle, the rate of consumption of coal in tons per day can be determined by multiplying the heating value by the number of kilograms of coal burned in a day and converting the result to tons. To convert megajoules to tons, you can divide the result by the energy equivalent of 1 ton of coal, which is approximately 29.3 gigajoules. The calculation would be as follows: (30 MJ/kg) × (kg of coal burned in a day) / (29.3 GJ/ton) = tons of coal burned per day.

Let's assume that the rate of consumption of coal is 10,000 kilograms per day.

The calculation to determine the rate of consumption in tons per day would be as follows:

(30 MJ/kg) × (10,000 kg/day) / (29.3 GJ/ton) = (30 × [tex]10^{6}[/tex] J/kg) × (10,000 kg/day) / (29.3 × [tex]10^{9}[/tex] J/ton) = 0.102 tons/day.

So, the rate of consumption of coal is approximately 0.102 tons per day when 10,000 kilograms of coal are burned per day and 100% of the heat is used in the cycle.

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When there is a potential difference of 960 volts, the capacitance of a capacitor's two plates is 2.6 F.

What is the difference in potential between two capacitor plates?

V = E d, or the electric field intensity times the distance between the plates, is used to express the electrical potential difference between the two plates. The final units in this expression are Joules/coulomb, which are obtained by multiplying Newtons/coulomb by meters.

What does a capacitor's two plates contain?

The capacitor has two plates: one with a positive charge Q and the other with a negative charge -Q. The potential difference V between the two plates is proportional to the charge Q on the plates. Q = CV, where C is the proportional constant.

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The magnitude of its acceleration when it is at point a. is 0.763 [tex]m/s^2[/tex]

Acceleration is the rate at which the speed and direction of a moving object change over time.Something is said to be accelerating when it starts to move faster or slower.Motion on a circle accelerates even while the speed is constant because the direction is always changing.These collisions lead to an acceleration of all other motion types.Another vector quantity is velocity. The change in velocity vector over a time interval divided by the time interval is the definition of acceleration.

[tex]y=\sqrt2 x^{\frac{1}{2} }[/tex]

[tex]\frac{dy}{dx} =\frac{1}{2} \sqrt2x^{\frac{-1}{2} }[/tex]

[tex]\frac{d^2y}{dx^2} =\frac{-1}{4} \sqrt2x^{\frac{-3}{2} }[/tex]

[tex]p=\frac{[1+\frac{dy}{dx}^2]^{\frac{3}{2} } }{\frac{d^2y}{dx^2}} =\frac{[1+\frac{1}{2} \sqrt2x^{\frac{-1}{2} }]^{\frac{3}{2} } }{\frac{-1}{4} \sqrt2x^{\frac{-3}{2} }} \\:[/tex] at x= 25m

p=364.21 m

acceleration: the speed of motorcycle at a is

v = [tex](60) \frac{km}{h}(\frac{1000 m}{1Km})(\frac{1h}{3600s})[/tex]= 16.67 m/s

[tex]a_n=\frac{v^2}{p}=\frac{16.67^2}{364.21}=0.7627 \: m/s^2[/tex]

since the motorcycle travels with the constant speed a=0 the magnitude of acceleration of motorcycle at a is

a=[tex]\sqrt{a_r^2+a_n^2}=\sqrt{0^2+0.7627^2}=0.763\: m/s^2[/tex]

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Heat absorbed = Q,Work done on system = -Q,From first law of thermodynamics,Q= W+U,So Q = -Q +U Or U = Q + Q = 2Q.

The change in the internal energy of a system is the sum of the heat transferred and the work done. The heat flow is equal to the change in the internal energy of the system plus the PV work done.

When a system absorbs heat,the molecules start moving faster because kinetic energy increases,hence disorder increases. For the same amount of heat absorbed at lower temperature,the disorder is more than at higher temperature.

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The workdone by the gravitational force is 7271.6 J.

Work is said to be done when a force moves a body through a certain distance.

To calculate the workdone by gravitational force, we use the formula below

Formula:

Where:

Substitute these values into equation 1

Hence the workdone is 7271.6 J.

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Answer:

Social peace is achieved when people have a strong two-way relationship with the state and other community groups, and they trust that decisions by the state are made fairly, even if they do not benefit from them directly.

Answer:

Social peace is a state of society in which there is no significant conflict or violence.

Explanation:

Social peace is a state of society in which there is no significant conflict or violence. It is characterized by a high degree of social harmony and cooperation, and by a lack of social unrest or instability.

Social peace is important for a number of reasons. It allows people to live and work together without fear of violence or intimidation. It also facilitates economic development and social progress. In addition, social peace can help to prevent the outbreak of war or other forms of large-scale violence.

There are a number of factors that can contribute to social peace. These include:

There are a number of things that individuals can do to promote social peace. These include:

Social peace is not something that happens overnight. It takes time, effort, and commitment from everyone in society. However, it is an essential goal for any society that wants to live in peace and harmony.

[tex]\boxed{\red{\textsf{happy To Help You }}}[/tex]

Answer:

It might be because the chasing creature wanted a prey or to play

The average force required to stop a car, we need to calculate the change in momentum of the car. The formula for the change in momentum is given by: Δp = m * vf - vi is 32 kN.

where Δp is the change in momentum, m is the mass of the car,

vf is the final velocity, and

vi is the initial velocity.

Since the car is stopping,

the final velocity is zero.

Next, we can use the equation for force,

which is:

Force = Δp / Δt

where Δt is the time taken to stop the car.

So, we can substitute the change in momentum equation into the force equation to get:

Force = (m * vi) / Δt

Now, we can substitute the known values into this equation:

Force = (990 kg * 83 km/h) / 7.2 s

First, we need to convert the initial velocity from km/h to m/s:

83 km/h = 83 * 1000 / 3600 m/s

= 23.06 m/s

So, the equation becomes:

Force = (990 kg * 23.06 m/s) / 7.2 s

Force = 32,400 N

So, the average force required to stop a 990 kg car traveling at 83 km/h in 7.2 seconds is approximately 32,400 N. To two significant figures, this is 32 kN.

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According to the static equilibrium, the tension in the wire would be 24.62 N

Since all parts of the system are at rest (Ftotal = Ttotal = 0), we will be using static equilibrium. An object is said to be in a state of static equilibrium when all of the forces acting on it are in equilibrium with one another and the object is not moving in regard to the relative plane.

Thus, the tension in the wire would be:

                                           2Fy = m × g

Fy = (m × g) ÷ 2

Fy = (0.5 × 9.8) ÷ 2

Fy = 2.45 N

                                       Sinθ = 2 ÷ √(4+400)

F = Fy ÷ Sinθ

F = 2.45 ÷ 0.0995

F = 24.62 N

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The sphere located at the opposite end of the aluminum rod does not acquire an electric charge.

The presence of a comb, held near one end of the rod, causes electrons from the rod to flow towards the comb due to its negatively charged electrons. This leads to a rearrangement of electrons within the rod, but not to the generation of an electric charge at the other end, which is too distant to be impacted by the comb.

Since both the comb and the rod are made of non-conductive materials, the flow of electrons is restricted and the rearrangement of electrons is limited, thus the sphere remains uncharged.

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Power and time are multiplied to produce the energy transfer. The 378 kJ of energy produced by the 1.4 kW teapot with boiled water. Describe energy. The quantitative property is energy.

What does the word "energy" mean?

The capacity to perform work is energy. Energy is referred to by scientists as the capacity for work. People have figured out how to transform energy from one type to the other and use it to accomplish tasks, making modern civilization possible. Walking, bicycling, driving, rowing, and using stoves all require the usage of energy from people.

Why is energy necessary, and what is it?

Energy is the capacity to carry out work. Energy is referred to by scientists as the capacity for work. People have figured out how to transform energy from one kind to the other and utilize it to accomplish tasks, making modern civilization possible.

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We can presume that all of the heat from the metal was transmitted to the water because the walls of the coffee-cup calorimeter are thought to be entirely adiabatic.

An instrument called a calorimeter measures the amount of heat produced during a chemical or physical process. For instance, when an exothermic reaction takes place in solution in a calorimeter, the solution absorbs the heat created by the process, raising its temperature.

Coffee calorimeters are isolated (but only if they have a lid that prevents gas from leaving) - they maintain constant pressure and, in a perfect world, allow no heat exchange (adiabatic); but, depending on the setup, gases (or matter) can exchange.

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According to Newton's third law of motion, For every action, there is an equal and opposite reaction.

If a body is pressed against another body with some force, the second body also presses the first body with an equal and opposite force. The force with which the first body presses the second is called the action force, while the force exerted by the second body on the first one is called the reaction force. Action and reaction forces always occur in pairs.

While sitting the forces acting on us are;

The force of gravity W=m g

The normal force $N$ applied by the chair.

The force 'mg' acts downward on the chair due to us, while the normal force '{N} ' applied by chair acts upward on us.

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The magnitude of the electric field at (a) 0 cm, (b) 10.0 cm, (c) 40.0 cm, and (d) 60.0 cm from the center of the sphere will be respectively, (a) Infinite, (b) 2.26 × 10^5 N/C, (c) 6.52 × 10³ N/C, and (d) 2.26 × 10³ N/C.

If an electric field is r distance from the center of a uniformly charged sphere which has the radius R and if the charge total is Q the equation of charge equal to,

E = k × Q / r²     ( k is the coulomb-constant )

If the distance is 0 cm the magnitude of the charge will be infinite.

If the distance is 10 cm, the magnitude will be,  

8.99 × 10^9 Nm²/C² × 26 × 10^-6 C / (10² cm)² = 2.26 × 10^5 N/C

If the distance from the sphere is 40 cm, the magnitude of the electric field will be,

8.99 × 10^9 Nm²/C² × 26 × 10^-6 C / (40² cm)² = 6.52 × 10³ N/C.

If it is 60 cm then,

8.99 × 10^9 Nm²/C² × 26 × 10^-6 C / (60² cm)² = 2.26 × 10³ N/C.

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Total rotational kinetic energy & the total kinetic energy (KE_tot) are not necessarily same as one is associated with rotational motion and other with total energy.

The total rotational kinetic energy (KE_rot) and the total kinetic energy (KE_tot) of a system are not necessarily the same, as they represent different types of energy. KE_rot represents the energy associated with rotational motion, while KE_tot represents the total energy of the system, including both translational motion and rotational motion.

In the case of the rigid rod connecting three particles, if the system is in rotational motion, the particles will have both translational and rotational motion. The translational motion of the particles contributes to the total kinetic energy of the system, while the rotational motion contributes to the rotational kinetic energy of the system.

In general, it can be said that KE_rot and KE_tot are related, but their values will depend on the specific details of the system, such as the masses of the particles, their distances from the axis of rotation, and the speed and direction of their motion.

It is not necessarily the case that the total rotational kinetic energy from (c) should be the same as the total kinetic energy of the system you calculated from (e), as the two represent different aspects of the energy of the system. However, in some specific cases, if the system is in pure rotational motion, the total rotational kinetic energy and the total kinetic energy of the system will be the same.

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The work required to maintain the motion for 16 seconds is 0.16 J.

work = force x distance

In this case, the distance is constant and equal to the horizontal distance covered in 16 seconds, which is 0.1 m/s x 16 s = 1.6 m.

The force required to maintain the horizontal motion at a constant speed is known as the frictional force, which is equal to the force of friction times the normal force. In this case, let's assume the frictional force is 0.1 N.

So the work done in maintaining the horizontal motion for 16 seconds would be:

work = force x distance = 0.1 N x 1.6 m = 0.16 J (joules)

Therefore, the work required to maintain the motion for 16 seconds is 0.16 J.

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The force acts in same direction for a further 2.0 m before decreasing to 15 N. the body's total kinetic energy is given by bodya = Fnet / m.

An object's amount of kinetic energy it has as a result of motion. Applying force is necessary if we wish to accelerate an object. We have to put in work to apply a force.

Energy, according to scientists, is the capacity for work. The ability to transform converted one object to another and use it to perform tasks is what makes modern civilization possible.

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Option d is Correct. B or C might be accurate. A charged tape will draw both neutrally charged objects and those with the opposite charge to the tape.

The tape has a negative charge because it has additional electrons. Electrons in your skin are rejected and migrate away when you move your finger close to the tape. Your finger tip's skin develops a tiny positive charge as a result of this. The tape goes toward your finger because positive and negative things draw each other.

Charged objects have an imbalanced charge, either more positive protons or electrons than electrons. Additionally, neutral objects have an equal quantity of protons and electrons, balancing their charge. The same idea that applies to atoms also applies to objects.

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Correct Question:

When you bring a small object close to a charged tape you find that there is an attraction between them. Considering all the evidence you saw in early in this unit, what can you conclude about the charge of the small object?

a. It has the same charge as the tape.

b. It is uncharged.

c. It has the opposite charge to the tape.

d. Either B or C could be true.

Naturally, a falling gas cloud tends to heat it up, spin more quickly, and flat out as it gets smaller. Consequently, our solar system started as a rotating disc of gas.

The dimensions are described by size. Example: Consider a box that is shaped like a cube. Its proportions, including length, width, and height, determine its size. Are length and height equivalent.

The measured distance between the two ends.

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The correct option is E. The time it takes to make 10 revolutions is 5.6 s.

The angular acceleration, alpha = 4 rad/s^2

the number of revolutions, N = 10 rev

the angle covered , theta = N * 2pi = 10 * 2pi rad

theta = 62.8 rad

using the second equation of motion

theta = 0 + 0.5 * 4 * t^2

62.8 = 0 + 0.5 * 4 * t^2

solving for t

t = 5.6 s

the time taken is (e) 5.6 s

A revolution is a fundamental and comparatively surprising alternate in political strength and political organization which occurs when the population revolts against the authorities, typically due to perceived oppression (political, social, monetary) or political incompetence.

Revolutions have taken place during human records and vary extensively in phrases of strategies, length, and motivating ideology. Their effects encompass main changes in culture, economy, and socio-political establishments, normally in reaction to perceived overwhelming autocracy or plutocracy.

Scholarly debates about what does and does not represent a revolution middle on numerous issues. Early research of revolutions on the whole analyzed activities in ecu records from a mental attitude, but more modern examinations encompass global activities and incorporate perspectives from several social sciences, together with sociology and political technological know-how.

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A wheel starts from rest and has an angular acceleration of 4.0 rad/s2. the time it takes to make 10 revolutions is:

group of answer choices

A). 0.50 s

B). 0.71 s

C). 2.2 s

D). 2.8 s

E). 5.6 s

The final kinetic energy of the block depends on the height of the ramp and mass of the block, also, final speed and mass of the block.

option B and D.

The final kinetic energy of the ball is determined by applying the principle of conservation of energy.

Neglecting friction and air drag, the initial potential energy of the block at the maximum height must be equal to the final kinetic energy of the block at the lowest point.

P.E = K.E

mgh = ¹/₂mv²

v = √ 2gh

where;

Kinetic energy depends on mass and velocity, since the mass is constant, the final velocity will depend on the height of the ramp.

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Number of electrons transferred in this process are given by = 3.125 x 10^11 electrons

The smallest elemental component of an atom, the electron has a negative charge. In a neutral atom, there are an equal number of electrons and protons. One electron but one proton are all that the hydrogen atom has. On the other hand hand, the uranium atom includes 92 protons, this means 92 electrons.

Given:

q = magnitude of charge gained by balloon = 50 nC = 50 x 10^-9 C

e = magnitude of charge on electron = 1.60 x 10^-19 C

When you rub balloon on your head, the electrons from your head migrate to balloon. As a result balloon becomes negatively charged and your head becomes positively charged.

We can compute the number of electrons transferred in the process as follows:

Let N = number of electrons transferred in this process = q / e

N = q / e = (50 x 10^-9 C) / (1.60 x 10^-19 C) = 3.125 x 10^11 electrons

N = 3.125 x 10^11 electrons [answer]

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The horizontal force that the seat exerts on the driver is 72.1 times the acceleration of the car, expressed in Newtons (N), the unit of force.

What is the force ?

Force is a type of physical phenomenon that can cause an object to move, stop, accelerate, deform, or otherwise change its state of motion. A force is a vector, which means it has both magnitude and direction.  Force is one of the fundamental building blocks of physics, and is an important concept to understand when studying the behavior of physical systems

The horizontal force that the seat exerts on the driver depends on the acceleration of the car. If the car is not accelerating, then the seat exerts no horizontal force on the driver (only a vertical force due to the weight of the driver).

However, if the car is accelerating, then the seat will exert a horizontal force on the driver to accelerate the driver along with the car. The magnitude of this force can be calculated using Newton's second law of motion, which states that the net force acting on an object is equal to the product of its mass and acceleration.

Let's assume that the car is accelerating with an acceleration of a m/s^2, and that the driver has a mass of 72.1 kg.

The horizontal force that the seat exerts on the driver can be calculated as follows:

Net force = mass x acceleration

F_seat - friction_force = m_driver x a

where F_seat is the force that the seat exerts on the driver, and friction_force is the force of friction between the driver and the seat.

If we assume that the friction force is negligible (for example, if the driver is wearing a seatbelt that prevents them from sliding on the seat), then we can simplify the equation to:

F_seat = m_driver x a

Substituting the values, we get:

F_seat = 72.1 kg x a

So the horizontal force that the seat exerts on the driver is 72.1 times the acceleration of the car, expressed in Newtons (N), the unit of force.

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The separation between two places of the an object in motion is known as displacement.Therefore, it depends on both the starting position and the ending position.Displacement is also the shortest distance between the initial and ultimate places.

We may determine the overall distance traveled from t = a to t = b by a body with location function s (t) when it moves along a coordinates line without changing direction.To get the overall distance traveled if the body changes course more than once throughout the journey, we must integrate the body's velocity |v (t)|.

Greek prefixes are applied to units bigger than meters:A dekameter was 10 meters; the prefix deka- indicates "ten."Hectometers measure distances in units of 100 meters.A km is 1,000 meters, and the prefix kilo- denotes 1,000.

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The speed of the car just before applying the brakes is 24.39 m/s.

Given details in he question are:

Deceleration is 3.50 m/s2

Skid marks by the kid - 85 m

The formula to be used in the question is:

[tex]V^{2}=u^{2}+2as\\[/tex]

[tex]v^{2}=0+ 2 (3.50)(85)\\[/tex]

[tex]v^{2}= 595\\v=24.39 m/s[/tex]

The speed of the car just before applying the brakes is 24.39 m/s.

The average speed can be explained as the displacement of a particle divided into a time in which the displacement occurs. Instantaneous speed is calculated to be the limit of the average speed as the time interval approaches zero. Speed ​​denotes distance traveled divided by time on the contrary instantaneous speed measures how quickly and in which direction does it move.

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If an airplane is consuming 95 pounds of fuel per hour at a cruising altitude of 6,500 feet and the ground speed is 173 knots, the amount of fuel required to travel 450 NM is 248 pounds.

Velocity is the speed of an object in motion in a particular direction as its rate of change in position from a particular frame of reference as observed by an observer and is measured by a particular standard of time. Velocity is a physical vector quantity. It has both magnitude and direction. The scalar absolute value (magnitude) of velocity is called speed. The amount of fuel consumed by the airplane is 95 pounds of fuel per hour. The height of the altitude, h= 6500 feet. The ground speed of the airplane, v= 173 knots. The distance for the airplane to travel, d= 450NM. The amount of fuel required = is 248 pounds.

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You are stationary and you observe a frisbee being thrown out of a car. the car is going 40 m/s to the right. the frisbee is thrown at a speed of 15 m/s (relative to the car) to the right. The frisbee will fly by you at a speed of 55 m/s.

When you observe a frisbee being thrown out of a car that is traveling at 40 m/s to the right and the frisbee is thrown at a speed of 15 m/s to the right relative to the car, the speed of the frisbee relative to you is the sum of the speed of the car and the speed of the frisbee relative to the car.

So, the speed at which you see the frisbee fly by is:

speed = 40 m/s + 15 m/s = 55 m/s

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With as much force as she can muster, strike it wood perpendicular towards its surface. Then, as swiftly as she can, snap her hand back.

Any of the four fundamental forces in physics—gravitational, magnetic, strong, & weak—that control how things or particles interact as well as how some particles decay—is referred to as a fundamental force, also known as a fundamental interaction. It is possible to link these fundamental forces to all known natural forces.

What are the two terms that best sum up a force?

A force can be adequately described by two concepts: push and pull. The push or pull that causes a mass item to change velocity in physics is known as force.

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The zonular fibers, a group of minuscule fibrous strands, hold the ciliary body to the lens. This add-on is essential

What exactly minuscule  is tiny?

The definition of tiny. (Page 1 of 2) lowercase letter 1 2a: one of a number of cursive writing types that emerged in the ancient and medieval periods and included small, simpler forms. B: This kind of a letter.

Is our understanding of the effects of any occurrence minimal?

Or possibly tiny, like the daydreams we think and pray will keep us safe. It should be clear that compared to the full range of repercussions leading till the of history, our understanding of the impact of any given event is extremely limited.

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