A force compresses a bone by 1. 0 mm. A second bone has the same cross-sectional area but twice the length as the first. By how much would the same force compress this second bone

Answer:

Objects in orbit around the Earth (like a satellite) still have net forces acting on them. True; An object with no net forces acting on it would not have a change in velocity. ... Therefore, there must be a net force acting on it.

Explanation:

Objects  in orbit around the Earth (like satellites) still have net forces acting on them. This is true, because this net force make change in their motion.

Force is an external force acting on object to change its state of motion or rest or to deform it. There are various kinds of forces such as gravitational force, magnetic force, nuclear force etc. Force is a vector quantity having both magnitude and direction.

The net force acting on a body depends on the direction and magnitude of all the forces acting on the object. The force acting on the objects that are orbiting around earth includes the gravitational force by earth, as well the force by other nearby planets or spatial objects etc.

Not all these force gets balanced and a net force always be there acting on these objects make them undergo changes in their state of motion.

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Hi! Let's see.

Explanation:

Data:

==================================================================

We apply the distance formula:

We replace by the data:

It divides:

Answer: The distance is 15 meters.

Cordially Alejanndraax. Greetings!

The distance covered by the machine is 15 m.

Work done on an object is defined as the dot product of the force applied on the object and the displacement of the object.

Here,

Amount of work done by the machine, W = 12000 J

Force exerted on the machine, F = 800 N

The equation for work done,

W = F.s

Therefore, displacement,

s = W/F

s = 12000/800

s = 15 m

Hence,

The distance covered by the machine is 15 m.

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Answer:

I think you don't understand my word because I write in English your writing in Italian

Answer:

I believe it is A.c

Explanation:

hope its right

Answer:

the correct answer is A with a line on top

Explanation:

I just did the quiz

The time of flight of the soccer ball is 2 seconds.

Given the following data:

To find the time of flight of the soccer ball;

Mathematically, the time of flight for a horizontal displacement is given by the formula;

\(Time \;of \;flight = \frac{Displacement}{Initial \; velocity}\)

Substituting the values into the formula, we have;

\(Time \;of \;flight = \frac{16}{8}\)

Time of flight = 2 seconds.

Therefore, the time of flight of the soccer ball is 2 seconds.

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Explanation:

Fourteen yard (14) yard

The current required to produce 18g of aluminum in 1.50 hours is approximately 35.93 Amperes.

To calculate the current required to produce 18g of aluminum in 1.50 hours, we need to use Faraday's law of electrolysis, which relates the amount of substance produced to the current and time.

Faraday's law states that the amount of substance produced (in moles) is directly proportional to the electric charge passed through the electrolyte solution. The relationship can be expressed as:

n = Q / (zF)

where:

n is the amount of substance produced (in moles),

Q is the electric charge (in coulombs),

z is the number of moles of electrons transferred per mole of substance (for aluminum, z = 3), and

F is the Faraday's constant (F = 96,500 C/mol).

Given:

Amount of aluminum produced (n) = 18g

Time (t) = 1.50 hours = 5400 seconds

Faraday's constant (F) = 96,500 C/mol

Number of moles of electrons transferred per mole of aluminum (z) = 3

First, let's convert the mass of aluminum to moles:

n = (18g) / (molar mass of aluminum)

The molar mass of aluminum is approximately 26.98 g/mol.

n = (18g) / (26.98 g/mol)

n ≈ 0.668 mol

Next, let's calculate the electric charge (Q) using Faraday's law:

Q = n * z * F

Q = (0.668 mol) * (3) * (96,500 C/mol)

Q ≈ 194,258 C

Finally, we can calculate the current (I) using the formula:

I = Q / t

I = (194,258 C) / (5400 s)

I ≈ 35.93 A

Therefore, the current required to produce 18g of aluminum in 1.50 hours is approximately 35.93 Amperes.

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From what I have seen, you do not take your step sis out of the washing machine, you ask her if she has games on her phone and play mine craft like a god obv.

Answer:

False

Explanation:

To find how many liters 251mL is you would need to divide 251 by 100 which is 0.251.

Answer:

2.39 °C

Explanation:

Specific heat of water = 4187 j / kg °C     (You eaither have to be given this, or know this  or look it up)

100 g of water = .1 kg of water

1000 j  / (.1 kg * °C) = 4187  j / (kg °C)

solve for C = 2.39°C

If you were to move the sun farther away from the earth and moon, shadows would become sharper and more defined. This is because the light rays from the sun would be more parallel, resulting in less scattering and more direct illumination. The shadows would also be longer because the light source is farther away.

If you were to move the sun closer to the earth and moon, shadows would become less defined and more diffuse. This is because the light rays would be less parallel, resulting in more scattering and less direct illumination. The shadows would also be shorter because the light source is closer.

Answer:

If the sun were moved farther away from the Earth and Moon, the shadows would become sharper and darker because the Sun's light would be more direct and less scattered. This would result in more defined shadows with less ambient light to soften their edges.

On the other hand, if the Sun were moved closer to the Earth and Moon, the shadows would become less defined and lighter because the Sun's light would be less direct and more scattered. This would result in less defined shadows with more ambient light to soften their edges.

However, it's important to note that the position of the sun is not the only factor affecting shadows. Other factors include the size and shape of the object casting the shadow, the position of the observer, and the angle of incidence of the light source.

Answer:

In general, the concept of output work being less than input work does not align with the laws of physics, specifically the principle of conservation of energy. According to this principle, energy cannot be created or destroyed, but it can be transformed from one form to another. Therefore, the total amount of energy in a closed system remains constant.

When considering work, which is the transfer of energy through the application of force over a distance, the input work and output work should theoretically be equal if no energy is lost to other forms, such as heat or friction. However, in real-world scenarios, various factors can result in a decrease in output work compared to input work. Some possible reasons for this disparity include:

Inefficiencies: Real systems are not perfectly efficient, and energy losses can occur due to factors like friction, heat dissipation, electrical resistance, or mechanical limitations. These losses reduce the amount of useful work obtained from the input energy.

Energy conversion: If the input work is in one form of energy (such as electrical or chemical), and the output work is in a different form (such as mechanical), energy losses can occur during the conversion process. The efficiency of the conversion process determines the amount of output work obtained.

External forces: External factors, such as resistance or opposing forces, can require additional work to overcome, resulting in a decrease in net output work compared to the input work.

It's important to note that while output work can be less than input work in certain situations due to these factors, the total amount of energy remains conserved. Energy that is not converted into useful work is typically dissipated as waste heat or other forms of energy loss.

Answer:

The output work is always less than the input work because of friction.

Explanation:

Friction is a force that opposes the relative motion of two surfaces in contact. When a machine is used, frictional forces are created between the moving parts of the machine and the surfaces they rub against.

These frictional forces require some of the input work to be used to overcome them, which reduces the amount of work that is available to do the desired task.

Answer:

1–

Explanation:

The fluorine is the element with biggest electronegativity in the periodic table, so it usually always take an electron and gets charge 1–

The valence electrons that Fluorine possesses is 7. Then, the charge of its ion would most probably be:

C). 1–

Fluorine is the element having F as its symbol and 9 as its atomic number(9 protons).

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A truck accelerating at 0.0083 meters/second2 covers a distance of 5.8 ×\(10^4\) meters. If the truck's mass is 7,000 kilograms, the work done to reach this distance is 3.3× \(10^6\) joules.

The correct answer is option E.

To calculate the work done by the truck to cover a distance of 5.8 × \(10^4\)meters, we need to use the equation for work:

Work = Force × Distance

In this case, the force can be calculated using Newton's second law:

Force = mass × acceleration

Where:

Acceleration (a) = \(0.0083 meters/second^2\)

Distance (d) = 5.8 ×\(10^4\) meters

Mass (m) = 7,000 kilograms

First, let's calculate the force exerted by the truck:

Force = mass × acceleration = (7,000 kg) ×\((0.0083 meters/second^2)\)= 57.1 Newtons

Next, we can calculate the work done:

Work = Force × Distance = (57.1 N) × (5.8 × 10^4 meters) = 3.3158 × \(10^6\)joules

Rounded to the nearest significant figure, the work done by the truck is approximately 3.3 × \(10^6\) joules.

Therefore, the correct answer is E.

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The question probable may be:

A truck accelerating at 0.0083 meters/second2 covers a distance of 5.8 ×\(10^4\)meters. If the truck's mass is 7,000 kilograms, what is the work done to reach this distance?

A. 1.7 × \(10^6\) joules

B. 3.4 ×\(10^6\) joules

C. 5.6 × \(10^6\)joules

D. 6.8 ×  \(10^6\)joules

E. 3,3  ×\(10^6\)  joules

Answer:

Because when something is moving  such as a car if your going too fast there could be a crash or collision.

Explanation:

Answer:1720m

Explanation:

Uh

Answer:

I think it's D!!

cuz protons are in the atoms

According to data from the Bureau of Labor Statistics, in 2010 about 66 percent of wives with children between ages 6 and 17 earned wages. This indicates a significant increase from previous decades where the number was much lower.

One reason for this increase is the changing attitudes towards gender roles and the increasing importance of women in the workforce. Women have made significant strides in terms of education and career opportunities, and this has resulted in an increase in the number of working mothers. Many women choose to continue working after having children in order to maintain financial stability and career growth. Additionally, the cost of living has increased, and many families require dual incomes to make ends meet.

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Answer:

V = IR

Explanation:

I = 15 A

R = 8.0

V = 15 × 8

= 120V

The momentum of a 2kg mass moving at 25 m/s is 50kgm/s.

Momentum in physics refers to the tendency of a body to maintain its inertial motion.

It is the product of its mass and velocity, or the vector sum of the products of its masses and velocities i.e.

p = mass × velocity

According to this question, a 2kg mass is moving at 25 m/s. The momentum of the body can be calculated as follows:

Momentum = 2kg × 25m/s

Momentum = 50kgm/s

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The differential equation which describes the temperature of the object over time is;

dH/dt = -k (H-S), where k = 0.97. The solution to this differential equation is given by H(t) = S + 65e^(-0.97t).

Newton’s law of heating and cooling is an application of the first law of thermodynamics. The law suggests that the rate of change of temperature of an object is proportional to the difference between its temperature and the temperature of the surroundings.

A warm object is placed in a refrigerator where the surrounding temperature is cooler, and the temperature of the object decreases. This phenomenon can be explained using differential equations. Given that H(t) is the temperature of the object being cooled and S is the surrounding temperature, the differential equation which describes the temperature of the object over time is given by;dH/dt = -k (H-S)

where k is the constant of proportionality.To solve this differential equation, we can use separation of variables, such that;

dH/dt = -k (H-S)dH/(H-S) = -k dt

Integrating both sides, we get;ln|H-S| = -kt + Cwhere C is the constant of integration.Rearranging, we have;

|H-S| = e^(-kt+C)

At time, t = 0, H = 100 and after 30 minutes the object is 75 degrees; t = 0.5 hours, H = 75. We can use these values to solve for C and k as follows;

|100-35| = e^(C) => 65 = e^(C)     …(1)

and|75-35| = e^(-0.5k+C) => 40 = e^(C) e^(-0.5k) => e^(-0.5k) = 40/65 => e^(-0.5k) = 8/13 => -0.5k = ln(8/13) => k = -2ln(8/13) => k = 0.97    …(2)

Substituting equation (1) into (2), we get;H-S = 65e^(-0.97t)  =>  H(t) = S + 65e^(-0.97t)

Therefore, the differential equation which describes the temperature of the object over time is;dH/dt = -k (H-S), where k = 0.97.

The solution to this differential equation is given by H(t) = S + 65e^(-0.97t).

The differential equation which describes the temperature of the object over time is;

dH/dt = -k (H-S), where k = 0.97. The solution to this differential equation is given by H(t) = S + 65e^(-0.97t).

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Answer:

?? what

Explanation:

The change in gravitational potential energy stored in 16 Jule.

What is gravitational potential energy?

gravitational potential energy

In classical mechanics, of the  gravitational potential at in a  location is equal to the work per unit mass that's would be needed to Move an object to that locations from a fixed references  location. It is analogous to the electric potential with the mass playing the role of charge.

Sol-As per the given question ∆PE = mgh

M= skg

g= 4m/s^2

∆h = 2m

∆PE = 2m×4m×2m

= 16 Joules.

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Answer:

500N

Explanation:

50kgx10N/kg

= 500N

What help do you want? If you tell, I may help you.

We will have that the magnitude of the force required is:

So, it will need at least 98 N to keep it from moving downwards.

Answer:

This is because the 11 positive protons and 10 negative electrons end up with an overall charge of +1.

Explanation:

Answer:

One electron in it's outer shell