You are sitting at a baseball game when Brent hit a foul ball and comes your way. Not having a glove you prepare to catch Brent's foul ball barehanded. In order to catch it safety, should move your hands toward the ball or move them in the same direction as the moving ball. Explain using the concept of change in momentum. Be sure to use complete sentences.

On a wet road, you would need to adjust your speed to 5-10 mph slower than normal.So option a is correct.

On a wet road, you should adjust your speed to ensure that you can drive safely. This is because water causes tyres to lose traction with the road. If you increase your speed on a wet road, you'll have less control over your vehicle. When the road is wet, your vehicle's tyres may not be able to grip the road as well as they would on a dry road.When driving on wet roads, you should maintain a safe distance between your vehicle and the car in front of you. This provides you with enough space to stop safely if the car in front of you stops suddenly.In addition, when driving on wet roads, it's best to avoid sudden steering or braking movements. This will cause your car to skid. Therefore, you should slow down and move more gently on a wet road, and always adjust your speed to 5-10 mph slower than normal.Therefore option a is correct.

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Using the free body diagram, let's determine the scenario the diagram illustrates.

From the free body diagram, we can see that the weight is acting on the object while the tension will be the force which supports the object.

The tension in this case, helps hang the object while the weight is the product of the mass of the object and the force of gravity acting on the object.

Tension can be defined as the pulling force transmitted through a rope or string.

Therefore, the best scenario which is represented by the free body diagram is a sign board supported by two strings.

ANSWER:

A signboard supported by

So, the work required to lift the piano is 36 kJ from the ground.

An item needs to receive energy in order to move. Force is one way that energy may be transferred. Work or work done refers to the quantity of energy used by a force to move an item.

Transferring energy into an item to cause some displacement is what is referred to as work. The ability to perform tasks is referred to as energy. The work is consistently the same. Kinetic and potential energy are two examples of the various forms of energy.

The quantity of internal and mechanical energy that things contain fluctuates as a result of work. Energy is contributed to a system or an item when work is done on it. When a system or thing performs labour,

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Answer:

It is not correct to conclude that one engine is doing twice the work of another just because it is generating twice the power. If one engine generates twice the power as the other, it may be generating the same amount of work in one half of the time.

Explanation:

It is not correct that the engine generating more power is doing more work. Because it is the time that differ between engines. The engine which generates twice power is completing the work within half time taken by the other engine.

Power is the rate of work done. When a force result in displacement of an object, it said to be work done on the object. The work done is a vector quantity and it is characterised by its magnitude and direction similar to the force.

Power is the ratio of change in work done to the change in time. Therefore, the more work done in a small time interval create the greater power.

The engine which is producing a power twice comparison to the other is completing the work in half of the time taken by the other engine. But, both might be doing the amount of work. Hence, the statement is wrong.

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Answer:

imma have to come back to you on that one

Answer:

The Sun is at the center of the solar system and the planets move around it.

Explanation:pluto/edmentum

Answer:

14 m/s

Explanation:

Correct number of sig dig will be two since accel has only two SD  ( you can only have as many SD as the factor with the LEAST SD)

v = at

  = 2 m/s^2 * 7 s = 14 m/s

Answer: mass and weight

Answer:

a. 1/2 of the radius of earth

Explanation:

thus g is inversely proportional to radius

Phase conductors 6 awg and smaller are not permitted to be re-identified as equipment ground conductors using green paint, tape, or other effective means.

Depending on the type of system offered, the grounded conductor of a service is typically a neutral conductor, though it can also be a phase conductor. A grounded phase conductor and no grounded neutral conductor are present in a corner-grounded delta system, for instance. The unbalanced load is returned to the source by the neutral. The conductor that has been purposefully grounded is the grounded conductor. The neutral is the conductor that is purposefully grounded in the majority of wiring systems used in industrial facilities, businesses, and homes. For safety reasons, the grounding conductor is employed. The grounding wire does not carry current under typical circumstances. The grounding wire offers a low resistance channel for the current in a fault situation.

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If one force is proportional to velocity (v) and the other force is proportional to the square of velocity (\(v^2\)), let's analyze their behaviors at high speeds.

The force proportional to v is a linear function of velocity. As velocity increases, the force will also increase linearly.

On the other hand, the force proportional to \(v^2\) is a quadratic function of velocity. As velocity increases, the force will increase at a much faster rate because it is squared.

At high speeds, the force proportional to \(v^2\) will dominate over the force proportional to v. This is because the squared term leads to a more significant increase in force compared to the linear term as velocity increases.

In summary, at high speeds, the force proportional to v^2 dominates, exerting a stronger influence on the object compared to the force proportional to v.

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Explanation:

When a large rolling boulder hits a smaller rolling boulder, momentum is conserved. According to the law of conservation of momentum, the total momentum of a system remains constant if there are no external forces acting on it. In this case, the system consists of the two boulders.

During the collision, the larger boulder transfers some of its momentum to the smaller boulder, causing it to move forward. However, the larger boulder also continues to move forward with some of its original momentum. Therefore, the total momentum of the system before and after the collision remains the same.

remember that momentum is a vector quantity, meaning it has both magnitude and direction. The direction of momentum for each boulder will depend on their respective velocities and massez.

Answer:

The larger boulder transfers some of its momentum to the smaller boulder, but it keeps going forward, too. Therefore, option 5 is the correct response.

Explanation:

According to the law of conservation of momentum, the total momentum of a closed system remains constant before and after the collision, as long as no external forces are acting on it. When a large rolling boulder collides with a smaller rolling boulder, conservation of momentum takes place in the system.

During the collision, the larger boulder transfers some of its momentum to the smaller boulder through the force of the impact. This transfer of momentum causes the smaller boulder to gain some momentum and start moving in the direction of the collision

However, the larger boulder also retains some of its momentum and continues moving forward after the collision. Since the larger boulder typically has greater mass and momentum initially, it will transfer some momentum to the smaller boulder while still maintaining its own forward momentum.

Therefore, in the collision between the large rolling boulder and the smaller rolling boulder, momentum is conserved as both objects experience a change in momentum.

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This expression gives the burning surface area A of one motor segment in terms of r1, r2, and w.

To find an expression for the burning surface area (A) of one motor segment, considering that both ends and the inner bore of the cylinder burn, we will use the terms r1, r2, and w.

The surface area A can be calculated as the sum of the areas of the two ends and the inner bore. The two ends have circular shapes, while the inner bore has a cylindrical shape.

For the ends, we have two circles with radii r1 and r2. The area of a circle is given by the formula A = πr². So, the total area of the two ends is:

A_ends = πr1² + πr2²

For the inner bore, we have a cylinder with radius r1 and height w. The lateral surface area of a cylinder is given by the formula A = 2πrh. So, the area of the inner bore is:

A_bore = 2πr1w

Now, we can find the total burning surface area A by adding the areas of the two ends and the inner bore:

A = A_ends + A_bore
A = (πr1² + πr2²) + 2πr1w

This expression gives the burning surface area A of one motor segment in terms of r1, r2, and w.

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Answer:

A

Explanation:

Answer:

Distance divided by time

Explanation:

Answer:

The correct answer is 1) 19.

The mass of the measuring stick if it is balanced by a support force at the 0.25 m mark is 0.75 kg.The mass of the measuring stick can be found using the principles of torque.

Given that a 1.0 kg rock is suspended by a massless string from one end of a 1 m measuring stick, and is balanced by a support force at the 0.25 m mark. Thus, taking clockwise as the negative direction of torque and counterclockwise as the positive direction, the torques at the 0.25 m mark are:T clockwise = weight of the rock x distance from support forceT clockwise = (1.0 kg)(9.8 m/s²)(0.75 m) = 7.35 NmT counterclockwise = weight of the measuring stick x distance from support forceT counterclockwise = (mass of measuring stick)(9.8 m/s²)(0.25 m) = 2.45 NmFor balance, T clockwise = T counterclockwise. Substituting values,7.35 Nm = 2.45 Nm(mass of measuring stick) = (7.35 Nm)/(2.45 Nm) = 3 kg.

Therefore, the mass of the measuring stick is 3 kg.Subtracting the weight of the rock, the mass of the measuring stick is:mass of measuring stick = 3 kg - 1 kg = 2 kgSo, the mass of the measuring stick if it is balanced by a support force at the 0.25 m mark is 0.75 kg.

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Answer:

Answer:

3.3kg

Explanation:

Given parameters:

Spring constant = 400N/m

Extension  = 8cm  = 0.08m

Unknown:

Amount of mass the spring is supporting  = ?

Solution:

To solve this problem:

     F  = kE

F is the force

k is the spring constant

E is the extension

  So;

            F  = 400 x 0.08  = 32N

Mass;

       Force  = mass x acceleration due to gravity

          32  = mass x 9.8

  Mass = 3.3kg

The mass the spring is supporting is 3.27 Kg.

We'll begin by calculating the force acting on the spring.

F = Ke

F = 400 × 0.08

F = 32 N

Finally, we shall determine the mass. This can be obtained as follow:

m = F / g

m = 32 / 9.8

m = 3.27 Kg

Therefore, the mass the spring is supporting is 3.27 Kg

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The allele frequency of A is 0.6 and the allele frequency of a is 0.4.

Allele frequency is defined as the rate at which alleles occur in the population. The sum of all alleles in a population is equal to the total number of individuals in the population times two. To calculate allele frequency, the number of alleles of each type is divided by the total number of alleles in the population.

There are three genotypes: aa, aa, and aa. The letter "a" is an allele for all three genotypes. The total number of alleles in the population = 600 x 2 = 1200.The frequency of the allele "a" = (2 x 120) + (400 x 1) + (2 x 80) / 1200 = 0.4The frequency of the allele "A" = 1 - 0.4 = 0.6Therefore, the allele frequency of A is 0.6 and the allele frequency of a is 0.4.

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The mass : 0.125 lb⋅\(s^2\)/ft.

The damping coefficient : 3 lb⋅s/ft.

The spring constant : 2 lb/ft.

The initial conditions are given as x(0) = 20 in = 20/12 ft and dx/dt(0) = 4 ft/s.

(a) Finding the mass:

The mass can be calculated using the equation m = weight / g, where weight is given as 4 lb and g is the gravitational acceleration of 32 ft/\(s^2\). Therefore, m = 4 lb / (32 ft/\(s^2\)) = 0.125 lb⋅\(s^2\)/ft.

(b) Finding the damping coefficient:

The damping coefficient, denoted by c, can be calculated using the relationship between the viscous resistance and the damping coefficient. In this case, the damping coefficient c = viscous resistance / velocity. Given that the viscous resistance is 3 lb and the velocity is 4 ft/s, we have c = 3 lb⋅s/ft.

(c) Finding the spring constant:

The spring constant, denoted by k, can be calculated using Hooke's Law: k = force / displacement. The force exerted by the spring is equal to the weight of the mass, which is 4 lb. The displacement is given as 24 in = 2 ft. Therefore, k = 4 lb / 2 ft = 2 lb/ft.

(d) Setting up the differential equation:

The differential equation that describes the system can be set up using Newton's second law: m(\(d^{2x}\)/\(dt^2\)) + c(dx/dt) + kx = 0. Substituting the known values, we have (0.125 lb⋅\(s^2\)/ft)(\(d^{2x}\)/\(dt^2\)) + (3 lb⋅s/ft)(dx/dt) + (2 lb/ft)x = 0.

(e) Initial conditions:

The initial conditions are given as x(0) = 20 in = 20/12 ft and dx/dt(0) = 4 ft/s.

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The complete question is : A mass weighing 4 lb stretches a spring 24 in. Suppose the mass is displaced an additional 11 in in the positive downward) direction and then released with an initial upward velocity of 4 ft/s. The mass is in a medium, that exerts a viscuouse resistance of 3 lb when the mass has a velocity of 4 ft/s. Assume g=32 ft/s is the gravitational acceleration (a) Find the mass m (in lb - s2 /ft). m = (b) Find the damping coefficient c in lb.s/ft). c= (c) Find the spring contant k (in lb/ft). ka (d) Set up a differential equation that describes this system. Let to denote the displacement, in meters of the mass from its equilibrium position, and give your answer in terms of ,',". (e) Enter the initial conditions: 20 = 2'0) =

Religious customers seem to avoid their products because;

When selling a product to potential customers, the brand name of that product could affect sales negatively or positively.

Religious people do not view the devil in a positive manner because they believe that he is responsible for the suffering in the world.

The already existing bias they have in their minds about that name will make them reject any product bearing the name. They might even reason that this medicine will worsen their sickness. For this reason, the medicine called "Devil Red" will have a poor reception by religious people.

Summarily, religious people avid the medicine called Devil Red because they have a negative view of the devil.

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Answer: The rain

Explanation: I would say the rain has caused it because worms do come above ground after it rains because the ground is moist. HOPES THIS HELPS:)

Answer: Wet mud in the ground because they come up from the ground when its wet

Explanation:

I would say the answer is 3 because by falling technically the ball would be kind of moving in the air. Plus potential energy is when for example a soccer ball isnt moving

The main-sequence option B star has the greatest surface temperature out of the given stars.

A main-sequence star is a star that emits energy by nuclear fusion, particularly helium into carbon. These stars are distinguished by the fact that they are burning hydrogen in their cores. Their temperature, luminosity, and lifetime are all directly related to their mass.

According to the Hertzsprung-Russell diagram, a B-star refers to a hot, bright, and blue star that falls on the main sequence of the chart. The surface temperature of a main-sequence B star is about 10,000 Kelvin. Giant K stars and supergiant A stars have much lower surface temperatures than main-sequence B stars.

A giant K star is a type of star with a radius between 10 and 100 times that of the Sun. They are often orange, reddish-orange, or reddish-yellow in color. Giant K stars are a type of cool star, with temperatures ranging from 3,900 K to 5,200 K.

A supergiant A star is a type of star with a mass of more than 10 times that of the Sun. They are bigger and more luminous than normal stars. Their surface temperature is between 7,500 and 9,000 Kelvin, and they have a life expectancy of around 10 million years.

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In this case, a macro lens would've been ideal. In her backyard, Sue is taking pictures of some incredibly tiny and complex succulents. She aims to record as many specifics as she can.

A lens is a transparent piece of glass that, when light rays pass through it by refraction, either concentrates or disperses them. Lenses are employed in telescopes as well as other magnifying equipment because of their enlarging capabilities.

Refraction is the process by which a lens changes the path of sun beams as the pass thru it. It follows that objects viewed through a lens appear to be either larger or less then they actually are because the rays appear to originate from a location that is closer or further distant of where they actually do.

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Answer:

sequence

Explanation:

sequences are the way in which things are ordered, for example: 1, 2, 3, 4 is a sequence:)

Given, Mass of the object, m = 100 grams = 0.1 kg. Therefore, the speed of the object as it passes through the equilibrium position is 0.31 m/s. The answer is 0.31 m/s.

Displacement from the equilibrium position, x = 10 cm = 0.1 m, Time period, T = 2 seconds(a) To find the speed of the object as it passes through the equilibrium position, we need to find its maximum speed. We know that the time period, T = 2π √(m/k)where k is the spring constant of the spring. k = 4π²m/T² = 4π² × 0.1/2² = 0.98 N/m, The force exerted on the object, F = kx = 0.98 × 0.1 = 0.098 N. When the object passes through the equilibrium position, all the potential energy is converted into kinetic energy. Therefore, the kinetic energy at the equilibrium position is K.E = 1/2 mv²where v is the velocity of the object. So, equating the potential energy with kinetic energy,1/2 kx² = 1/2 mv²v = x √(k/m) = 0.1 √(0.98/0.1) = 0.31 m/s.

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D) All of the answers are correct.

Power, from an interdependency perspective, depends on all of the factors mentioned in the given options.

A) The control of valuable resources: Having control over valuable resources gives individuals or entities power because they can leverage these resources to influence others and shape outcomes.

B) The control of access to valuable resources: Controlling access to valuable resources provides power because it allows individuals or entities to regulate who can obtain those resources, creating dependency and influencing the behavior of others.

C) A partner's high desire for a particular resource: When a partner or another party has a strong desire for a specific resource, it can grant power to those who possess or control that resource. The high demand for the resource enhances the power of the resource holder in negotiations or relationships.

Therefore, all of these factors contribute to power dynamics by providing individuals or entities with advantages and leverage in various social, economic, and interpersonal contexts.

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