Gabrielle and Pierre are trying to move a 52 kg box by pushing it across the floor. Gabrielle is pushing with a force of 40 N [east], while Pierre is pushing with a force of 32 N [west]. There is also a friction force of 3 N [west] on the box. Assume the box travels 4 m [east].D. Remember that net force indicates an acceleration. In which direction is the box accelerating (and hence, moving)?E. Determine the work Gabrielle exerts on the box. Considering the direction the box is going, is the work positive or negative?F. Determine the work Pierre exerts on the box. Considering the direction the box is going, is the work positive or negative?G. Determine the work friction is doing on the box. Considering the direction the box is going, is the work positive or negative?H. Add together Gabrielle’s and Pierre’s work, and the work from the force of friction. If any of the amounts of work were negative, the amount becomes a negative number in the summation. I. What is the net work being done on the box in the horizontal direction?J. What is the net work being done on the box in the vertical direction?

The kinematic equation states that a ball must be thrown horizontally from the ground at a speed of 31.30 m/s in order to reach a height limit of 50 m.

Here, we knew that when a ball is hurled vertically upward at maximum height with some velocity, it decelerates to zero and returns to the earth with some velocity. Here, we must apply the calculation for the maximum height when moving vertically upward. Maximum height indicates zero final velocity.

Gravity causes a downward vertical acceleration with a magnitude of 9.8 m/s/s. A projectile's vertical velocity changes by 9.8 m/s.A projectile's vertical motion is unrelated to its horizontal motion.

To know more about velocity visit :

https://brainly.com/question/18084516

#SPJ4

The maximum number of revolutions per minute the fan can run at before she will be flung off is  1,982.24 rev/min.

The maximum angular speed of the fan is calculated by applying the following kinematic equation.

From Newton's second law of motion,

F = ma

F = mv/t

F = m(ωr/t)

where;

ω/t = F/mr

ω/t = (0.0137 N) / (0.00022 kg x 0.3 m)

ω/t = 207.58 rad/s

ω/t = (207.58 rad/s)  x (1 rev / 2π rad) x  (60 s / min)

ω/t = 1,982.24 rev/min

Learn more about angular speed here: https://brainly.com/question/6860269

#SPJ1

Mesopotamia, with its key features of specialization, government, cities, religion, trade, and written records, advanced human society by fostering economic growth, establishing governance structures, creating urban centers, facilitating cultural exchange, promoting trade networks, and revolutionizing communication and knowledge preservation through writing.

Mesopotamia, often referred to as the "cradle of civilization," possessed several key features that contributed to its advancement and influenced human society as a whole. These features include specialization, government, cities, religion, trade, and written records. Let's explore each of these key features and their significance.

Specialization: Mesopotamian society developed specialization, where individuals began to focus on specific occupations and trades. This led to the emergence of skilled craftsmen, farmers, priests, scribes, and merchants. Specialization allowed for the production of surplus goods, leading to economic growth and the establishment of a more complex society.

Government: Mesopotamia witnessed the development of early forms of government. Initially, city-states were governed by religious leaders known as priest-kings. Over time, as society grew more complex, secular leaders, such as kings, emerged to rule the city-states. These early forms of governance laid the foundation for later systems of government and administration.

Cities: Mesopotamia was characterized by the rise of urban centers. These cities served as political, economic, and cultural hubs. They were densely populated, with advanced infrastructure, including defensive walls, temples, markets, and residential areas. The cities of Mesopotamia, such as Ur, Uruk, and Babylon, provided the framework for the organization and development of early urban societies.

Religion: Religion played a central role in Mesopotamian society. The people of Mesopotamia believed in a pantheon of gods and goddesses and practiced polytheism. Temples were constructed as sacred spaces to honor and worship deities. Priests held significant influence, serving as intermediaries between the people and the divine. Religious beliefs and rituals provided a sense of identity, social cohesion, and moral guidance to the Mesopotamian community.

Trade: Mesopotamia's strategic location between major rivers, the Tigris and Euphrates, facilitated extensive trade networks. The abundance of resources, such as fertile land for agriculture, allowed for surplus production. This surplus was exchanged with neighboring regions, fostering trade and the establishment of commercial relationships. The exchange of goods and ideas through trade networks promoted cultural diffusion and contributed to the overall prosperity and interconnectedness of Mesopotamia.

Written Records: Mesopotamia is credited with the invention of writing, making it one of the earliest literate civilizations. Scribes used wedge-shaped marks known as cuneiform to record important information on clay tablets. The development of writing enabled the recording of laws, contracts, administrative documents, literature, and historical accounts. Written records not only facilitated communication and administration but also served as a means of preserving knowledge and passing it down through generations.

Collectively, these key features of Mesopotamia played a pivotal role in advancing human society as a whole. Specialization allowed for the efficient allocation of resources and the growth of economies. The establishment of early forms of government provided organization and stability to communities. Urbanization transformed social structures and fostered cultural and intellectual exchange. Religion served as a unifying force and provided a moral framework. Trade networks expanded horizons and facilitated the exchange of goods and ideas. Finally, the invention of writing revolutionized communication, education, and the preservation of knowledge.

Therefore, Mesopotamia's legacy as a cradle of civilization lies in its ability to establish foundations for complex societies, laying the groundwork for subsequent advancements in various aspects of human life.

To learn more about Communication click:

https://brainly.com/question/29811467

#SPJ1

Answer:

D. 1.17 J

Explanation:

The potential energy stored in a spring is given by the following:

U = (K•x²)/2

U -> elastic Potential energy

K -> spring constant

x -> compression

So:

U = (53•0.21²)/2

U = 1.17

Answer1.17:

Explanation:

In the figure provided, a 25.5° ramp in an airport has luggage sliding down to the owner.  If the ramp is 3.28 m long and the suitcase starts from rest, the time it will take for suitcase A to reach its owner is 1.25 seconds

The diagrammatic representation of the information given in the question is attached in the image below.

From the information given:

We are to find the time required for suitcase A to reach its owner.

To do this, let's compute the free body equation from the diagram.

Thus, both blocks tend to move together since the kinetic friction in A is larger than that of B.

So, summing up both equations, we have:

\(\mathbf{m_1 g sin \theta-m_2 g sin \theta - \mu_k_1 - \mu_k_2= (m_1+m_2)a}\)

Making acceleration a the subject, we have:

\(\mathbf {a = \dfrac{m_1 g sin \theta-m_2 g sin \theta - \mu_k_1 - \mu_k_2}{(m_1 + m_2)}}\)

\(\mathbf {a = \dfrac{(3.70 \times 9.8 \times sin25.5) +(9.69 \times 9.8 \times sin 25.5 )- 0.260 - 0.110}{(m_1 + m_2)}}\)

\(\mathbf {a = \dfrac{(15.610) +(40.88)- 0.260 - 0.110}{(3.70+ 9.69)}}\)

\(\mathbf {a = \dfrac{56.12}{(13.39)}}\)

a = 4.19 m/s²

Using the second equation of motion.

\(\mathbf{S = ut + \dfrac{1}{2}at^2}\)

Recall that the suitcase starts from rest;

∴

\(\mathbf{S = 0(t) + \dfrac{1}{2}at^2}\)

\(\mathbf{S = \dfrac{1}{2}at^2}\)

where;

\(\mathbf{3.28 = \dfrac{1}{2}(4.19) (t)^2}\)

By cross multiply;

3.28 × 2 = 4.19 t²

\(\mathbf{t^2 = \dfrac{3.28 \times 2}{4.19}}\)

\(\mathbf{t =\mathbf{ \sqrt{\dfrac{3.28 \times 2}{4.19}}}}\)

\(\mathbf{t =\mathbf{ \sqrt{1.566}}}\)

t = 1.25 seconds.

Therefore, we can conclude that it took suitcase A 1.25 seconds to reach its owner.

Learn more about coefficient of friction here:

https://brainly.com/question/13754413?referrer=searchResults

The ball is compressed by 0.5 m, the time it takes for the ball to leave the gun is 0.5 m/22.The equation of motion for the ball is: F = m*a

Equation of motion, also known as a differential equation, is a mathematical statement that describes how a system or object moves over time. It is a mathematical expression that relates the various forces acting on a body, its mass and its acceleration.

Where F is the net force, m is the mass of the ball, and a is the acceleration.

The net force is the sum of the spring force and the frictional force, so we can write:

F = (500 N/m)*(0.5 m) - 25 N

= 250 N - 25 N

= 225 N

Now we can substitute this into the equation of motion to calculate the acceleration:

F = m*a

225 N = 0.01 kg*a

a = 22,500 m/s2

Finally, we can use the equation for uniformly accelerated motion to calculate the velocity of the ball when it leaves the gun:

v = v₀ + at

where v₀ is the initial velocity (which is zero in this case), a is the acceleration (22,500 m/s2), and t is the time it takes for the ball to leave the gun.

Since the ball is compressed by 0.5 m, the time it takes for the ball to leave the gun is 0.5 m/22.

To learn more about equation of motion
https://brainly.com/question/25951773
#SPJ4

La conservación de la energía mecanica permite encontrar los resultados para las preguntas son:

La energía mecánica es la energía total del cuerpo, esta formada por la suma de la energía cinética y la energía potencial, este energía es constante en un sistema sin roce.

         Em = K + U

Donde Em es la energía mecánica, K la energía cinéticas y U las energizas potenciales.

En el adjunto tenemos un esquema del movimiento, busquemos la energía mecánica en dos puntos:

Punto inicial. En la  parte mas baja.

          \(Em_o = K\) = ½ m v²  

Donde m es la masa y v la velocidad del cuerpo.

Punto final.  En la parte mas alta de la trayectoria.

          \(Em_f =U\) = m g y

La energía mecánica se conserva.

          \(Em_o = Em_f\)

          ½ m v² = m g y

         v= \(\sqrt{2 g y}\)

Calculamos

         v =  \(\sqrt{2 \ 9.8 \ 83}\)

         v =  40,3 m/s

Como en el sistema no hay roce la energía mecánica se mantiene constante en toda la trayectoria.

        Em = m g y

        Em =  46 9,8 83

        Em = 3,8 10⁴ J

En conclusión usando la conservación de la energía podemos encontrar los resultados para las preguntas son:

Aprender mas aquí:  brainly.com/question/16896117

The fictional people and circumstances in realistic literature are meant to represent our society and reality. Growing up and facing personal and societal issues are the main topics.

In a word, the primary distinction between fiction and non-fiction is that fiction is the product of imagination, whereas non-fiction is entirely founded on facts and truth. To better grasp the two genres, let's now get in-depth with them.

While it may be based on a factual tale or circumstance, fiction is literature that was formed from the author's imagination and is not meant to be taken seriously as truth. Novels, short stories, and novellas are examples of literature in the fiction category.

To know more about Fiction visit:

https://brainly.com/question/29587655

#SPJ4

Answer:

10,000 N

Explanation:

Using Newton's Second Law of Motion, Force = Mass*Acceleration.

Plugin 2500 kg for the mass and 4 m/s^2 for the acceleration.

Force = 2500 kg*4 m/s^2 = 10000 Newtons

(SI unit of force is Newtons)

The electron number cannot be used instead because electrons can be removed from or added to an atom (option C)

The element of an atom is determined by its proton count, while the electron count can exhibit variability. Take, for instance, a sodium atom, which encompasses 11 protons and 11 electrons. However, it has the capacity to relinquish one electron, transforming into a sodium ion housing only 10 electrons.

This occurs due to the relatively loose binding of electrons to the nucleus, enabling their removal through the influence of an electric field or alternative mechanisms.

Learn about electron here https://brainly.com/question/13998346

#SPJ1

Answer:

C.

Explanation:

Return stroke

A return stroke is termed to be the most visible part of a lightning, which in itself is accompanied by a thunderstorm. Lightning causes thunder, which like I said, is a sound from the shock wave that develops like gases in the areas of the discharge. While experiencing a sudden increase in its pressure. Lightning occurs naturally and is electrically charged.

Answer:

Stars are the light bulbs of the universe.

Answer:

Stars are the recycling centers of the universe

Explanation:

I just did on edge C

The researcher did not find strong evidence to support the idea that job applicants with popular names are viewed more favorably than equally qualified applicants with less popular names.

It sounds like the researcher conducted an experiment to investigate whether job applicants with popular names are viewed more favorably than equally qualified applicants with less popular names.

Based on the information provided, the researcher found that the differences in the evaluations of the applicants by the two groups were not significant at the .001 level.

The factors that play an important role in the hiring process for a job:

(1) Qualifications and experience: Employers typically look for candidates who possess the necessary qualifications and experience for the job. This includes education, training, certifications, and work experience.

(2) Skills and abilities: Employers also consider a candidate's skills and abilities related to the job. These may include technical, interpersonal, communication, and problem-solving skills.

(3) Personal characteristics: Personal characteristics, such as motivation, work ethic, and adaptability, can also play a role in the hiring process. Employers may look for candidates who demonstrate a positive attitude, a willingness to learn, and the ability to work well with others.

(4) Fit with company culture: Companies may also consider whether a candidate fits with their company culture, values, and mission. This can include factors such as teamwork, creativity, and innovation.

Learn more about evaluations here:

https://brainly.com/question/20067491

#SPJ1

The absolute pressure at an ocean depth of 1.0 x 10^3 m is 1.002 x 10^8 Pa.

Hydrostatic pressure is the pressure that a fluid exerts on a surface due to the weight of the fluid above it. It is the result of the force of gravity acting on a column of fluid, and it is directly proportional to the height of the column of fluid and the density of the fluid.

The absolute pressure at an ocean depth of 1.0 x 10^3 m can be calculated using the hydrostatic pressure equation:

P = ρgh + Po

where:

P is the absolute pressure at the given depth

ρ is the density of the water

g is the acceleration due to gravity (assumed to be 9.81 m/s²)

h is the depth of the ocean

Po is the atmospheric pressure at the surface (assumed to be 1.01 x 10^5 Pa)

Substituting the given values, we get:

P = (1.025 x 10^3 kg/m³) x (9.81 m/s²) x (1.0 x 10^3 m) + 1.01 x 10^5 Pa

P = 1.025 x 9.81 x 10^6 Pa + 1.01 x 10^5 Pa

P = 1.002 x 10^8 Pa.

To know more about Hydrostatic pressure, visit:

https://brainly.com/question/28206120

#SPJ1

Answer:

The kinetic energy of the ball 1 is 2.06 J

Explanation:

The kinetic energy of a rolling object K = 1/2Iω² + 1/2mv² where I is its rotational inertia, ω its angular speed, m its mass and v = its velocity of center of mass.

Let m₁, I₁, v₁, d₁ represent the mass, rotational inertia, speed and diameter of  solid ball 1. and Let m₂, I₂, v₂, d₂ represent the mass, rotational inertia, speed and diameter of  solid ball 2.

Since both objects are spheres, I =2/5mr²

Let r₁ = radius of ball 1 and r₂ = radius of ball 2. Since d₂ = 2d₁

⇒ 2r₂ = 4r₁ ⇒ r₂ = 2r₁

Now, the the kinetic energy of sphere 1 is

K₁ = 1/2I₁ω₁² + 1/2m₁v₁²  ω₁ = v₁/r₁ which is the angular speed of solid ball 1.

K₁ = 1/2(2/5mr²)v₁²/r₁² + 1/2m₁v₁²

K₁ = 1/5m₁v₁² + 1/2m₁v₁²

K₁ = 7/10m₁v₁²

Also, the the kinetic energy of sphere 2 is

K₂ = 1/2I₂ω₂² + 1/2m₂v₂²  ω₂ = v₂/r₂ which is the angular speed of solid ball 2.

K₂ = 1/2(2/5m₂r₂²)v₂²/r₂² + 1/2m₂v₂²

K₂ = 1/5m₂v₂² + 1/2m₂v₂²

K₂ = 7/10m₂v₂²

Now, m₁ = m₂/2 and v₁ = v₂/3

Substituting these into K₁, we have

K₁ = 7/10(m₂/2)(v₂/3)²

K₁ = 7/10 × 1/18m₂v₂²

K₁ = (1/18)(7/10m₂v₂²)

K₁ = K₂/18

K₂ = 37.0 J/18

K₂ = 2.06 J

So, the kinetic energy of the ball 1 is 2.06 J

Answer:

133

Explanation:

Answer:

An unbanked curve has a radius of 60m. The maximum speed at which a car can make a turn if the coefficient of static friction is 0.75, is.

Explanation:

Answer:

920000

Explanation:

Each kg contains 1,000 grams

The relative velocity of the car 2 with respect to car 1 is 70 m/s west. So, the correct option is C.

Velocity of the car 1 with respect to the ground, v₁ = 45 m/s west

Velocity of the car 2 with respect to the ground, v₂ = 25 m/s east

Let the direction towards the east be positive and the opposite direction towards the west be negative.

The expression for the relative velocity of the car 2 with respect to car 1 is given by,

v₂₁ = v₂ - v₁

v₂₁ = 25 - (-45)

Therefore, the relative velocity,

v₂₁ = 70 m/s west

To learn more about relative velocity, click:

https://brainly.com/question/29655726

#SPJ1

Attaching the image file here.

The net force on particle q₂, located between particles q₁ and q₃, is approximately 189000 N. The force exerted by particle q₁ on q₂ is positive and equals 252000 N, while the force exerted by particle q₃ on q₂ is negative and equals -63000 N.

To find the net force on particle q₂, we need to calculate the individual forces exerted on q₂ by particles q₁ and q₃ and then determine their sum.

The force between two charged particles can be calculated using Coulomb's law:

F = k * |q₁ * q₂| / r²

Where F is the force between the particles, k is the electrostatic constant (k ≈ 9.0 x \(10^9\) Nm²/C²), q₁ and q₂ are the charges of the particles, and r is the distance between them.

First, let's calculate the force exerted on q₂ by q₁:

F₁₂ = k * |q₁ * q₂| / r₁₂²

F₁₂ = (9.0 x \(10^9\) Nm²/C²) * |(8.0 μC) * (3.5 μC)| / (0.10 m)²

F₁₂ ≈ 252000 N

The force is positive because q₁ and q₂ have opposite charges.

Next, let's calculate the force exerted on q₂ by q₃:

F₂₃ = k * |q₂ * q₃| / r₂₃²

F₂₃ = (9.0 x \(10^9\)Nm²/C²) * |(3.5 μC) * (-2.5 μC)| / (0.15 m)²

F₂₃ ≈ -63000 N

The force is negative because q₂ and q₃ have the same charge.

Finally, we can find the net force on q₂ by summing the individual forces:

Net force = F₁₂ + F₂₃

Net force = 252000 N + (-63000 N)

Net force ≈ 189000 N

The net force on particle q₂ is approximately 189000 N.

For more such information on: net force

https://brainly.com/question/14361879

#SPJ8

Two mirrors are inclined at an angle of 30 degrees a ray of light obliquely at 180.

A mirror is said to be inclined when it is positioned perpendicular to a surface or if a flat mirror is positioned at an angle from the base (other than 90 degrees).

We first need to comprehend light in order to comprehend mirrors. According to the rule of reflection, a light beam that strikes a surface will bounce back like a tennis ball bounced against a wall.

Always equal to the angle leaving the surface, or the angle of reflection, is the entering angle, also known as the angle of incidence.

Therefore, Two mirrors are inclined at an angle of 30 degrees a ray of light obliquely at 180.

To learn more about mirrors, refer to the link:

https://brainly.in/question/609286

#SPJ1

Answer: creativity and discovery

Explanation: i got it right on study island .

Answer:

CREATIVITY AND DISCOVERY

Explanation:

STUDY ISLAND

Answer: STOP LOOKING FOR ANSWERS OMG:(((((9

Explanation:

The two types of electromagnetic waves that have higher frequencies than the waves that make up ultraviolet light are gamma rays and X-rays.

Electromagnetic waves are components of the electromagnetic spectrum, which is made up of the following:

Each electromagnetic wave have a specific frequency and wavelength.

However, the two types of electromagnetic waves that have higher frequencies than the waves that make up ultraviolet light are gamma rays and X-rays.

Learn more about electromagnetic waves at: https://brainly.com/question/8553652

Answer:

gamma rays and X-rays

Explanation:

d on edge I got 100%

Answer:

The torque exerted on the merry-go-round is 766.95 Nm

Explanation:

Given;

mass of the merry-go-round, m = 416 kg

radius of the disk, r = 1.7 m

angular speed of the merry-go-round, ω = 3.7 rad/s

time of motion, t = 2.9 s

The torque exerted on the merry-go-round is calculated as;

\(\tau = Fr= I\alpha\\\\\tau = (\frac{1}{2} m r^2)(\frac{\omega }{t} )\\\\\tau = (\frac{1}{2} \times 416 \times 1.7^2)( \frac{3.7}{2.9} )\\\\\tau = 766.95 \ Nm\)

Therefore, the torque exerted on the merry-go-round is 766.95 Nm

The minimum  necessary height of the IV bag above the position of the needle is 0.37 m.

we know that,

P = ρgh

where,

P = 35.7mmHg

  = 4759.609 Pa

g = 9.8\(\frac{m}{s^{2} }\)

ρ = 1.308 kg / m^3

now, substituting all the values, we get,

4759.609 = 1.308 × 9.8 × h

h = 0.37 m

The minimum  necessary height of the IV bag above the position of the needle = 0.37 m.

what is an IV bag ?

A reagent, also called as an analytical reagent, is a substance or compound that is added to a system in chemistry to bring about a chemical reaction or examine to see if one happens. Even though the terms "reagent" and "reactant" are frequently used synonymously, "reactant" refers to a substance that is consumed during a chemical reaction.

Learn more about IV bag here :-

https://brainly.com/question/15593182

#SPJ1

Answer:

You have learnt how objects move. You also know that a moving object like a ball rolling on the ground slows down. Sometimes it may change its direction of motion. It is also possible that the ball may slow down and also change its direction. what makes an object to slow down or go faster, or change its direction of motion?

Let us recall some of our everyday experiences. What do you do to make a football move? What do you do to make a moving ball move faster? How does a goalkeeper stop a ball? How do fielders stop a ball hit by a batsman? A hockey player changes the direction of the moving ball with a flick of the stick. In all these situations the ball is either made to move faster or slower or its direction of motion is changed.

Explanation: