Max is moving boxes in his house from one room to another. Max has
two different floor surfaces in his house, one carpeted and the other wood
floor. What can you correctly conclude about moving the boxes in Max's
house?
A.The boxes will slide more easily on the carpeted floor due to lower friction.
B.The boxes will slide more easily on the wood floor due to higher friction.
C. The boxes will slide more easily on the wood floor due to lower friction
D.The boxes will slide more easily on the carpeted floor due to higher friction.

Answer:

Explanation:

Overgrazing and woodcutting are responsible for most of the desertification of rangelands, cultivation practices inducing accelerated water and wind erosion are most responsible in the rain-fed croplands, and improper water management leading to salinization is the cause of the deterioration of irrigated lands.

Answer:

the answer of question no5 is b

Answer:

They come in different kinds, called elements, but each atom shares certain characteristics in common. All atoms have a dense central core called the atomic nucleus. ... All atoms have at least one proton in their core, and the number of protons determines which kind of element an atom is.

↪Nucleons include protons and neutrons. All the positive charge of an atom is contained in the nucleus, and originates from the protons. Neutrons are neutrally-charged. Electrons, which are negatively-charged, are located outside of the nucleus.

☆...hope this helps...☆

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The nucleus of an atom of any chemical element comprises three (3) distinct subatomic particles and these are:

An atom simply refers to the smallest, basic (fundamental) and indivisible unit which comprises the matter that forms all chemical elements.

Based on scientific information, the nucleus of an atom of any chemical element comprises three (3) distinct subatomic particles and these include the following;

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The vector of the bucket is a force of 47.4 pounds acting at an angle of 39 degrees with the horizontal.

To find the vector of the bucket, we need to first calculate the net force acting on it. This can be done by resolving the given forces into their horizontal and vertical components and then adding them up.

1. Resolving Jill's force:

Jill pulled at an angle of 30 degrees with a force of 20 pounds. We can resolve this into its horizontal and vertical components as follows:

Horizontal component = 20 cos(30)

= 17.32 pounds

Vertical component = 20 sin(30)

= 10 pounds

2. Resolving Jack's force:

Jack pulled at an angle of 45 degrees with a force of 28 pounds.

We can resolve this into its horizontal and vertical components as follows:

Horizontal component = 28 cos(45)

= 19.8 pounds

Vertical component = 28 sin(45)

= 19.8 pounds

3. Adding up the components:

To find the net horizontal and vertical components, we can add up the horizontal and vertical components of the two forces as follows:

Net horizontal component = 17.32 + 19.8

= 37.12 pounds

Net vertical component = 10 + 19.8

= 29.8 pounds

4. Finding the vector:

Now that we have the net horizontal and vertical components, we can use the Pythagorean theorem to find the magnitude of the vector as follows:

Magnitude = sqrt((37.12)^2 + (29.8)^2)

= 47.4 pounds

Finally, we need to find the direction of the vector. We can use trigonometry to find this as follows:

Tanθ = Net vertical component / Net horizontal component = 29.8 / 37.12θ

= tan^-1(29.8 / 37.12)

= 39 degrees (approx.)

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Answer:

The penny would take 10 seconds to fall.

Explanation:

Hope this helps!!

If a penny is dropped from a building that is 95 m tall then it would 3.111 seconds take the penny to hit the ground below

There are three equations of motion given by  Newton

The first equation is given as follows

v = u + at

the second equation is given as follows

S = ut + 1/2×a×t²

the third equation is given as follows

v² - u² = 2×a×s

Keep in mind that these calculations only apply to uniform acceleration.

As given in the problem, A penny is dropped from a building that is 95 m tall,the initial velocity of the penny is zero, the acceleration acting is due to the acceleration due to gravity

height of the building (S) = 95 meters

initial velocity(u) = 0 m/s

acceleration(a) = 9.81 m/s²

By using the second equation of motion given by newton

S = ut + 1/2at²

S = 95 m ,u= 0 m/s , a= 9.81 m/s² and t =? seconds

95 = 0 + 9.81t²

t² = 95/9.81

t = 3.111 seconds

Thus, if a penny is dropped from a building that is 95 m tall then it would   take 3.111 seconds for the penny to hit the ground below

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Answer:

it fast is = 25 + 34 = 59j that is the fast of the object

The direction of the total force (if any) on Lucy when the bus drives down a straight road at a constant speed is zero.

When the bus moves down the straight road at a consistent velocity, Lucy finds it simple to maintain her balance. The forces acting on Lucy are all balanced, and she has no difficulty maintaining her balance. This means that the total force acting on her is zero.

This is due to the fact that the bus is in motion and Lucy is moving with the bus. Her body is moving at the same speed as the bus, and her inertia keeps her in motion. When the bus accelerates, turns, or decelerates, the forces on Lucy change, causing her to feel the effects of these forces.

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According to Newton's laws, the net force on a satellite in an elliptical orbit is given by the following formula:

\(F = (GMm) / r^2\)

where F is the net force, G is the gravitational constant, M is the mass of the central body (e.g., Earth), m is the mass of the satellite, and r is the distance between the center of the central body and the satellite.

To determine the location of the satellite at any given point in time, we need to know its position and velocity. The motion of the satellite can be described by Kepler's laws of planetary motion, which state that the orbit of a planet (or satellite) is an ellipse with the central body at one of the foci.

Given the position and velocity of the satellite at one point in time, we can use numerical methods (such as Euler's method or the Runge-Kutta method) to calculate its position and velocity at any subsequent point in time. These methods involve calculating the net force on the satellite at each point in time and using it to update the satellite's position and velocity.

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It is take about 45 million years for the radiation from a sample of cesium-133 to complete 1.5 million cycles.

The half-life of cesium-133 is about 30 years, which means that over that period of time, half of the atoms in a sample of cesium-133 will undergo radioactive decay. However, since the question asks about cycles rather than half-lives, we need to convert the half-life of cesium-133 into the number of cycles.

One cycle of radioactive decay occurs when one-half of the atoms in a sample decay. So, after one half-life, there will be one-half of the original amount of cesium-133 remaining, which means that one cycle of radioactive decay has occurred.

Therefore, can calculate the number of cycles that occur in 1.5 million half-lives as follows:

Number of cycles = 1.5 million half-lives × 1 cycle per half-life

Number of cycles = 1.5 million cycles

Since one cycle of radioactive decay takes one half-life, we can calculate the time it takes for 1.5 million cycles to occur by multiplying the half-life of cesium-133 by 1.5 million:

Time for 1.5 million cycles = 30 years per half-life × 1.5 million cycles

Time for 1.5 million cycles = 45,000,000 years

Therefore, it would take about 45 million years for the radiation from a sample of cesium-133 to complete 1.5 million cycles.

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The conductor configuration of this bundled single-phase overhead transmission line consists of two ACSR 954-kcmil conductors with a GMR of 0.0403 feet that are bundled together to increase current-carrying capacity and reduce EMI.

It is important to understand what ACSR conductors are and their properties. ACSR stands for "Aluminum Conductor Steel Reinforced" and is a type of overhead power line that consists of a central steel core surrounded by one or more layers of aluminum wire. The steel core provides strength and durability, while the aluminum wire provides electrical conductivity. we must consider the "gmr" of the conductors. GMR stands for "Geometric Mean Radius" and is a measure of the effective radius of a conductor. In this case, the GMR of the conductors is 0.0403 feet.

When we examine the conductor configuration shown in the figure, we can see that the two ACSR conductors are bundled together. This bundling serves to increase the overall current-carrying capacity of the transmission line, as well as reduce the amount of electromagnetic interference (EMI) generated by the lines.

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Answer:

b

Explanation:

because a was going at a different speed

The horizontal component of velocity is

(22 m/s) • cosine(62°).

The vertical component of velocity is

(22 m/s) • sine(62°).

These are the original components, right after the kick. As time goes on, the horizontal one doesn't change. But the vertical one gets bigger and bigger, because gravity is accelerating the ball downward.

That's the complete story of projectile motion.

A beam of blue light causes photoelectrons to be emitted from a photoemissive surface. An increase in the intensity of the blue light will cause an increase in the number of photoelectrons emitted. Therefore, an increase in the intensity of blue light will cause an increase in the light intensity.

What is light? Light is a type of electromagnetic radiation that travels in waves at a velocity of 299,792 kilometers per second (km/s) in a vacuum. It is a form of energy and, like all forms of energy, can be transferred. Light, like other electromagnetic waves, has both electric and magnetic fields that oscillate perpendicularly to one another at right angles.Light has a very important property, which is its intensity. The amount of light that passes through a given area or space per unit time is known as light intensity. It is the amount of light energy that falls on a unit area in a given time. The energy of light, like all energy, can be described in terms of photons.

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Remove the patch with gloved hands before applying the AED pads to the person's chest. It is important to ensure that the chest is clean and dry before applying the AED pads to maximize their effectiveness.

AED pads (automated external defibrillator pads) are adhesive pads that are placed on a person's chest to deliver an electric shock in the event of sudden cardiac arrest (SCA). AED pads are an important component of an AED, which is a portable medical device used to treat people experiencing cardiac arrest. AED pads are typically sold in pairs, with one pad placed on the upper right chest and the other on the lower left side of the chest. The pads contain sensors that analyze the person's heart rhythm and determine whether a shock is needed. If a shock is required, the AED delivers a controlled electric shock to the heart through the pads to restore a normal heart rhythm. The AED pads are designed to be easy to use and are equipped with clear visual and audio instructions to guide the user through the process of applying them to the person's chest. The pads are also designed to be compatible with different types of AEDs, making it easy to replace or upgrade them if needed.

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The time taken for the man to reach the ground is 0.64 s and his velocity on reaching the round is 6.26 m/s.

Given that we can be able to use the equations of kinematics to obtain the time that it took the man to fall to the floor. Using the equation;

v^2 = u^2 + 2gh

v = final velocity

u = initial velocity

g = acceleration due to gravity

h = height attained

Note that u= 0 m/s since he dropped from a height;

v= √2gh

v = √2 * 9.8 * 2

v = 6.26 m/s

Again;

v = u + gt

Again  u= 0 m/s

v = gt

t = v/g

t = 6.26 m/s/9.8 m/s

t = 0.64 m/s

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The coefficient of friction is the ratio of frictional force to the normal force. The normal force acting on 15 Kg object is 147 N and the coefficient of friction is 0.149.

Friction is a kind of resistive force acting on a body that resist it from motion. Thus, frictional force will be always opposite to the applied force for the displacement of an object.

The normal force acting on a body of mass m is mg. Where, g is the acceleration due to gravity. Normal force acting on 15 kg object is :

N = mg

   = 15 × 9.8 m/s²

   = 147 N.

The coefficient of friction = Normal force / frictional force

                                          = 22 N/147 N

                                          = 0.149

Therefore, the coefficient of friction for an object with 15 kg and 22 N frictional force is 0.149.

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The characteristics that the Renaissance motet and mass have in common are:

        B: They are both sacred music

        C: They use polyphony

        D: They are performed by a chorus

The Renaissance motet and mass are two important musical genres of the Renaissance period. Both are sacred music that use polyphony and are typically performed by a chorus. The motet is a polyphonic choral work that is usually short and sets a Latin text, often taken from the Bible or liturgy. The mass, on the other hand, is a longer work that sets the texts of the Catholic Mass Ordinary, including the Kyrie, Gloria, Credo, Sanctus, and Agnus Dei. Both genres demonstrate the elaborate contrapuntal writing, complex harmonies, and careful attention to text setting that are hallmarks of Renaissance music.

However, the statement "They have five parts, including the Kyrie" is not correct. The Renaissance motet and mass do not necessarily have five parts, and the Kyrie is not always included in motets.

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The correct option is (b) 227 kg.

The 500 lb rock samples the astronauts carried back from the moon weighed 227 kilograms.

The astronaut transported a 550 lb sample.

2.20lbs = 1 kilogram.

1 lbs = 1/2.20

Since, 1 lb = 0.45 kg,

500 lb almost equals 227 kg.

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Answer:

p=w/t

160/8=20

80/4=20

180/9=20

...so..all these uses equal power

Answer:

d

Explanation:

I'm not perfectly sure so check again

Answer:

C.

Explanation:

grassland are used for cropland

In an ecosystem, as the human population increases grasslands  are used for cropland.

Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.

Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.

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Answer:

F = 159.07 N

Explanation:

Given that,

Mass of a tennis ball, m = 54.9 g = 0.0549 kg

It accelerates from rest to a speed of 45.1 m/s.

The impact with the racket gives the ball a constant acceleration over a distance of 35.1 cm = 0.351 m

We need to find the magnitude of net force acting on the ball.

Let a be the acceleration of the ball. Using third equation of motion to find it.

\(v^2-u^2=2ad\\\\a=\dfrac{v^2-u^2}{2d}\\\\a=\dfrac{(45.1)^2-(0)^2}{2\times 0.351}\\\\=2897.45\ m/s^2\)

Net force,

F = ma

F = 0.0549 kg × 2897.45 m/s²

= 159.07 N

Hence, the net force acting on the ball is 159.07 N.

Answer:

0.3 %

Explanation:

Earth cleans and replenishes the water supply through the hydrologic cycle. The earth has an abundance of water, but unfortunately, only a small percentage, is even usable by people.

Answer:

true

Explanation:

Answer: the job of the nucleus is to actually combine into complete ribosomes not make them .

Explanation: ribosomes make protein . so the nucleuses job is to make protein .

Answ

Explanation:

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The image formed by the location of object is beyond 2F the image by convex lenses is between F and 2F and is inverted, smaller and and real image. If it is at 2F, the image is inverted with the same size and real.

A convex lens is a type of lens that is projected outwards and shows the real image of an object.  Whereas a concave lens is curved inwards and shows virtual image of objects.

The image formed at by the location of convex lenses beyond 2F is inverted, smaller and and real image. If it is at 2F, the image is inverted with the same size and real. If the lens is placed between F and 2F the image formed is beyond 2F and it will be inverted, enlarged and real.

If the object is at F , no image will be formed. If it at between F and the lens, then the image forms beyond 2 F which is upright, enlarged and virtual.

The object be at any position with respect to the focal length of lens, the image formed by a concave lens is between F and the lens and upright, small and virtual.

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When facing a wind blowing from the west to the east, an airplane intending to fly directly north should be pointed slightly to the west of north. This compensates for the crosswind force and allows the aircraft to maintain its desired northward heading.

If an airplane needs to fly to a point directly north of its location and there is a wind blowing from the west to the east, the pilot should point the plane slightly to the west of north. This adjustment is necessary due to the effect of the wind on the airplane's path.

The wind creates a force known as the crosswind, which acts perpendicular to the direction of the airplane's intended path. In this case, the crosswind pushes the airplane to the east. To counteract this force and maintain a northward trajectory, the pilot must point the plane slightly to the west.

By pointing the plane to the west, the pilot allows the wind to push the aircraft sideways, compensating for the eastward force caused by the wind. This technique is known as "crabbing" or "yawing into the wind." It ensures that the airplane's actual flight path remains aligned with the intended northward direction.

The amount of adjustment required depends on the strength and direction of the wind. Pilots use their training and experience, along with information from weather reports and aircraft instruments, to determine the appropriate angle to point the plane relative to the wind.

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