The spring constant for the tendon is the same for both groups, 33 n/mm. What is the difference in maximum stored energy between the sprinters and the nonathletes?.

Answer: some may argue that while teacher’s only provide service to a single classroom, superstar athletes are entertaining fans all around the world, enticing people with a feeling of relaxation and excitement. Obviously, what these individuals must not be aware of is the most important man in our nation, the president, who makes critical decisions that affect the entire world every day, only makes $400,000 a year. While President Obama is hard at work reviving the economy, the unproven rookie in the MLB is earning way over that figure. Furthermore, police officers, firefighters, and doctors save lives while risking their own for a fraction of what sports stars make. People in the military leave their families at home to defend and protect the country knowing they may never return. It's truly a pity that none of these true heroes are given the same recognition by society as athletes such as Brett Favre or Michael Jordan are given. While I do understand that making it into the pros is not an easy thing to do, and that it takes a tremendous number of hours of hard work and dedication every day to earn a job in professional sports, these people do nothing more than entertain the general public.

Explanation:

Answer:

Wouldn't it be great to make nearly $111 million a year simply to play a game? Tiger Woods, along with many other professional athletes, certainly think so. But do these athletes really deserve all that money?

In my mind, absolutely not. Professional athletes are making too much money in a society where salaries and wages are traditionally based on the value of one's work. In today's society, one should be paid according to the job’s economic importance and their value to society.

Teaching is one of the most economically important occupations because our future economy relies on the education of its youth, yet teachers are paid astronomically less than the average professional athlete is. In fact, each basket Kobe Bryant scores earns him equivalent to the average classroom teacher’s yearly salary.

However, some may argue that while teacher’s only provide service to a single classroom, superstar athletes are entertaining fans all around the world, enticing people with a feeling of relaxation and excitement.

Obviously, what these individuals must not be aware of is the most important man in our nation, the president, who makes critical decisions that affect the entire world every day, only makes $400,000 a year. While President Obama is hard at work reviving the economy, the unproven rookie in the MLB is earning way over that figure.

Furthermore, police officers, firefighters, and doctors save lives while risking their own for a fraction of what sports stars make. People in the military leave their families at home to defend and protect the country knowing they may never return. It's truly a pity that none of these true heroes are given the same recognition by society as athletes such as Brett Favre or Michael Jordan are given.

While I do understand that making it into the pros is not an easy thing to do, and that it takes a tremendous number of hours of hard work and dedication every day to earn a job in professional sports, these people do nothing more than entertain the general public.

Moreover, in my mind, if these athletes want to continue to be rewarded with the fame and fortune that is unfairly bestowed upon them, they must prove to the world that they are going to be positive role models for future athletes, and those who admire them.

Explanation:

found if off some website lol hope it helps! <3

Answer:

6.25 sec

Explanation:

Given: initial velocity = 15 m/s final velocity = 25 m/s, and distance = 125 m

average velocity = (25 + 15)/2

Distance(D) = Rate(R) x Time(T)

125 = ((25 + 15)/2) x T

125 = 20T

T = 6.25 sec

Hence the required time to achieve final speed is 6.25 sec

Answer:

See below

Explanation:

Here is another way

d = vo t + 1/2 a t^2        a = change vel /change t =  10/t

125 = 15 t + 1/2 (10/t) t^2

125 = 20 t

t = 125/20 = 6.25 s

Our Solar System is contained within the Milky Way galaxy, which gets its name from how it appears to us on Earth: a hazy ribbon of light visible in the night sky made up of stars that are too close together to be seen individually.

Our galaxy is around 100,000 light-years big and likely includes 100 to 400 billion stars. That sounds enormous, and it is—at least until we start putting it in the context of other galaxies.

The Milky Way is a massive cluster of stars, gas, and dust. Because it would appear to be a spinning pinwheel from the top or bottom, this galaxy is known as a spiral galaxy. About 25,000 light-years from the galactic center, on one of the spiral arms, is where the Sun can be found.

Spiral nebulae are objects that resemble spiral-shaped clouds but which are actually galaxies outside of our Milky Way galaxy.

Shapely asserted that what were then referred to as "spiral nebulae," such as Andromeda, are nearby and far smaller than the Milky Way, and that the Milky Way is so large that it is the main object in the cosmos.

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Answer:

The balloon needs a vertical velocity of approximately 22.14 m/s to reach the window

Explanation:

The given parameters are;

The destination of the designed water balloon we shoot = The 3rd story window

The height of the 3rd story window which the water balloon should reach = 25 m

Therefore, we have, the equation of motion of the water balloon given as follows;

v² = u² - 2 × g × s

Where;

\(u_y\) = The initial vertical velocity of the balloon

\(v_y\) = The final vertical velocity of the balloon = 0 m/s

g = The acceleration due to gravity = 9.8 m/s

s = The height the balloon is intended reach at the final velocity becomes 0 m/s = The height of the 3rd story window

∴ s = 25 m

Substituting the values, we have;

0² = \(u_y\)² - 2 × 9.8 × 25

\(u_y\)² = 2 × 9.8 × 25 = 490

\(u_y\) = √490 = 7·√10

The initial vertical velocity of the balloon = \(u_y\) = 7·√10 m/s

Therefore, the balloon needs a vertical velocity of 7·√10 m/s which is approximately 22.14 m/s to reach the window.

Mass in motion is quantified by momentum, which is the measure of how much weight is moving. It typically has the sign math

What does motion mean in mathematics?

In mathematics, movement, distance, velocity, impulse, and speed are used to explain motion. By securing a reference point to the environment or the observer, a body's motion can be seen. A body's motion is quantified by tracking how its location changes in relation to the perspective it occupies.

What types of motion may an object make?

The force acting on a body determines how it moves. These are some examples of various motion types. Translational: When an item goes along a route across all 3 components, it is of this type. Rotational: This sort of movement involves an object moving in a circular motion around a fixed axis.

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Answer:

Yes, that is correct, although most velocity is calculated via m/s and therfore you would multiply your 3 hours by 60 twice. Much of the information given is irrelevant and just trying to confuse.

Explanation:

Participating in physical activity can help to reduce stress in all of the following ways except it causes fatigue and exhaustion. Option b is correct.

Anybody movement requiring energy expenditure that is produced by skeletal muscles is defined as physical activity. Physical exercise encompasses all forms of movement,

Whether it is done for fun, to go to and from locations, or as part of one's job. Physical activity, both moderate and strenuous, is beneficial to one's health.

Physical activity is good for your heart, body, and mind. Physical exercise aids in the prevention and treatment of noncommunicable illnesses including heart disease, cancer, and diabetes.

Depression and anxiety symptoms are alleviated by physical activity. Physical activity improves one's ability to think, learn, and judge.

Participating in physical activity can help to reduce stress in all of the following ways except it causes fatigue and exhaustion.

Hence option b is correct.

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Answer:

b

Explanation:

did on edge

Answer:

Explanation:

The speed of the car can be found by using the formula

where

a is the acceleration

v is the speed

t is the time

From the question we have

v = 10 × 25

We have the final answer as

Hope this helps you

This is the equation of motion for the weight attached to the spring

32 * y'' = -k * 2 + 32 * 32 - 10 * y'

Let's denote the equilibrium position of the weight as the reference point (y = 0). When the weight is pulled down 6 inches below equilibrium, its displacement is -0.5 ft. We can choose the downward direction as positive.

1. Determine the spring force:

The spring force is proportional to the displacement from the equilibrium position and follows Hooke's Law: F_spring = -k * y, where k is the spring constant. Since the weight stretches the spring by 2 ft, we have F_spring = -k * 2 ft.

2. Determine the force due to gravity:

The weight has a mass of 32 lb, so the force due to gravity is F_gravity = m * g, where g is the acceleration due to gravity (32 ft/s^2).

3. Determine the force due to resistance:

The force due to resistance is given as F_resistance = -10 * y' ft/s, where y' is the velocity of the weight.

Applying Newton's second law, the sum of the forces equals the mass of the weight times its acceleration:

m * y'' = F_spring + F_gravity + F_resistance

32 lb * y'' = -k * 2 ft + 32 lb * 32 ft/s^2 - 10 ft/s * y'

Simplifying the equation and converting the mass and force units to the appropriate unit system, we have:

32 * y'' = -k * 2 + 32 * 32 - 10 * y'

This is the equation of motion for the weight attached to the spring. The specific value of k and any initial conditions would be needed to solve the equation further and obtain a more detailed motion equation.

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A 1.0 kg ball hits the floor with a velocity of 2.0 m/s and bounces back up with a velocity of 1.5 m/s, the ball's change in momentum is -3.5 kg m/s.

The ball's change in momentum can be calculated using the formula:
change in momentum = final momentum - initial momentum
The initial momentum of the ball can be found using the formula:
initial momentum = mass x velocity
So, the initial momentum of the ball is:
initial momentum = 1.0 kg x 2.0 m/s = 2.0 kg m/s
The final momentum of the ball can also be found using the same formula:
final momentum = mass x velocity
So, the final momentum of the ball is:
final momentum = 1.0 kg x (-1.5 m/s) = -1.5 kg m/s
(Note that the negative sign indicates that the ball is moving in the opposite direction after bouncing back up.)
Therefore, the ball's change in momentum is:
change in momentum = final momentum - initial momentum
change in momentum = (-1.5 kg m/s) - (2.0 kg m/s)
change in momentum = -3.5 kg m/s
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The cannonball travels horizontally before it reaches the ground at an angle of 30° above the horizontal with an initial velocity of 26 m/s is 59.73 meters.

When anything is moving, its velocity tells us how quickly that something's location is changing from a certain vantage point and as measured by a particular unit of time.

If a point travels a specific distance along its path in a predetermined amount of time, its average speed throughout that time is equal to the traveled distance divided by the travel time. For instance, a train traveling 100 km in two hours is moving at an average speed of 50 km/h.

Given:

The initial velocity of a cannonball, u = 26 m/s,

Calculate the range of the cannonball by following the formula,

R = \(u^2\)sin2θ / g

Here R is the range, and θ is the angle of projection.

Substitute the values,

R = \(26^2\) sin2*30 / 9.8

R  = 59.73 meters

Therefore, the cannonball travels horizontally before it reaches the ground at an angle of 30° above the horizontal with an initial velocity of 26 m/s is 59.73 meters.

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Answer: 1,350cm³

Explanation:

Volume = LWH

= 30 × 15 × 3 = 1,350cm³

The number of significant figures in 00.6022009 is 7 .

The number of significant figures is 7.

Explanation:

Significant figures

Given :

The number 00.6022009

To find:

The number of significant figures in the number.

Solution

00.6022009

All zero’s preceding the first integers are not significant.

Zeros in between the integers are significant

So, the number of significant figures is 7.

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Given,

The mass of the object, m=2.1 kg

The speed of the object, v=25 m/s

Kinetic energy is the energy that an object possesses due to its motion. And potential energy is the energy that an object possesses due to its position.

The gravitational potential energy depends on the height of the object. As the change in the height of the object is not mentioned in the question, let us assume that there is no change in the potential energy.

The velocity of the object, however, changes. Thus the energy possessed by the object is the kinetic energy.

And the kinetic is given by

On substituting the known values,

Thus the kinetic energy of the ball is 656.25 J

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

Answer: The answer is D.

Explanation:

The way A is shooting arrows away means its a negative current. On the other hand B is taking them in making B positive. and that's why the answer is D.

Answer:

Momentum (p) is equal to the product of an object's mass (m) and its change in velocity (v).

Change in velocity (v) results in change in momentum (p), which is equal to impulse. Impulse (J) is also equal to an applied force (F) over a period of time (t).

Combining p=mv and J=F t together:

m (v final - v initial) = F t

(2,500 kg) (70 m/s - 30 m/s) = F (10 s)

Explanation:

Solving for F we get:

10,000 N of force

F=ma

F=2500 x 4

F = 10,000 N

Answer:

BOOM

Explanation:

Astronauts perform many tasks as they orbit Earth. The space station is designed to be a permanent orbiting research facility. Its major purpose is to perform world-class science and research that only a microgravity environment can provide. The station crew spends their day working on science experiments that require their input, as well as monitoring those that are controlled from the ground. They also take part in medical experiments to determine how well their bodies are adjusting to living in microgravity for long periods of time.

Working on the space station also means ensuring the maintenance and health of the orbiting platform. Crew members are constantly checking support systems and cleaning filters, updating computer equipment: doing many of the things homeowners must do to ensure their largest investment stays in good shape. Similarly, the Mission Control Center constantly monitors the space station and sends messages each day through voice or email with new instructions or plans to assist the crew members in their daily routines.

Answer:

I'll be utilizing this section from the end to help me with Newton's law: "The acceleration of an item depends on the mass of the object and the amount of force applied." I believe that duties like as resting, fixing objects outside and within the ship, and just enabling them to stay grounded would benefit greatly from modifications. I believe that extremely powerful suction would be required to keep the astronauts grounded. For ease of access, the portions would be placed on both the feet and the hand.

Explanation:

Answer:

Two numbers

Explanation:

see it first

Answer:

Following are the solution to the given points:

Explanation:

The shovel shifts the course of the man's force.

Man can use less power.

The strength at the end of the shovel is growing.

Its shovel is a tool that is used to excavate and transfer its large particles. This streamlines the job for all the men to find the pit.

Its machines modify their method that uses force. Its man must therefore use less force to lift the bulk material.

Answer:

The shovel changes the direction of the force the man applies.

The man can apply less force.

The force applied by the end of the shovel increases.

(a,b,e)

Explanation:

edge 2021

Wrong answers:

A and B both state that solids are fluid while gases are not, while in reality, it is the opposite. Gases are fluid while solids are not.

C states the inverse of D, so C is incorrect.

Correct answer:

D. Solids have low energy levels and gases have high energy levels

This is because matter is in gas form when the temperature is higher and when the matter has absorbed more heat. More heat means more energy, so gases contain more energy than solids.

Matter, or "stuff", can be in multiple states, such as solid and gas.

The state of matter depends on how much energy the matter has absorbed.

Matter becomes a gas as more energy is added, and becomes a solid as more energy is removed.

This makes sense, because the individual molecules in a solid don't move as much, while the molecules in a gas move around quite a lot.

This makes gases easier to move around and change shape than solids.

Generally, as matter absorbs more heat and turns from solid to liquid to gas, the matter expands, and takes up more space.

This is because the more energy matter has, the more the molecules move and vibrate around, meaning they need more space to do so, so they expand.

Answer:

It would be 2600

Explanation:

M/S stands for meters per second. If it moved 1 meter for 2600 seconds, than it would be 2600. You just multiply 2600 by 1! I hope this helps :D

The force of friction acting on the fridge is 149.3 N.

Force of friction is the force that tends to oppose the motion of two surfaces that are in contact.

To get an object into motion the force of friction must be overcame.

The force of friction also tends to oppose the motion of an object.

The frictional force on the refrigerator is calculated by apply Newton's second law of motion.

F - Ff = ma

where;

If the refrigerator didn't budge, acceleration = 0

F - Ff = 0

F = Ff

149.3 N = Ff

Thus, when the force of friction is equal to applied force, the object won't move.

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Answer:

9.0, might be to late but someone in the future might need it.

Answer:

C.     9.0

Explanation:

I like boys

The car's kinetic energy, K = 384J, is equal to the energy needed to halt it. The law of kinetic energy tells us that: in the equilibrium position, the automobile is moving at its maximum speed according to periodic motion .

using formula: \(k=\frac{1}{2}mv^{2}\).

Electricity as described to by academics as the aptitude for effort. People have figured out how to transform energy from one form to another and then use it to accomplish tasks, making modern civilization possible.

Chemical, electrical, radiant, mechanical, thermal, and nuclear energy are the six main types of energy. Additional types including electrochemical, acoustic, electromagnetic, and others could be addressed in other studies.

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(a) The magnitude of the electric dipole moment is  0.0270 pC m

(b) The difference between the potential energies for the two orientations is 7.38 mJ and U_antiparallel is -3.69 mJ.

(a) The magnitude of the electric dipole moment can be calculated using the formula:

p = q * d

where q is the magnitude of each charge and d is the separation between the charges. Plugging in the values, we get:

p = 3.60 nC * 7.50 * 10^-6 m = 0.0270 pC m

(b) The difference between the potential energies for the two orientations can be calculated using the formula:

ΔU = p * E

where p is the electric dipole moment and E is the electric field strength. The potential energy is proportional to the dot product of the electric dipole moment and the electric field. So when the dipole moment is parallel to the electric field, the potential energy is at a maximum, and when it's antiparallel, the potential energy is at a minimum.

For the orientation parallel to the electric field:

U_parallel = p * E = 0.0270 pC m * 1370 N/C = 3.69 mJ

For the orientation antiparallel to the electric field:

U_antiparallel = -p * E = -0.0270 pC m * 1370 N/C = -3.69 mJ

The difference between the two potential energies is:

ΔU = U_parallel - U_antiparallel = 3.69 mJ - (-3.69 mJ) = 7.38 mJ

So the difference in potential energy between the two orientations is 7.38 mJ.

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The horizontal velocity of the ball as it rolled off the table was 6. 74 m/s.   We can use the equation v = r * ω to solve for the horizontal velocity of the ball, where v is the horizontal velocity, r is the radius of the ball, and ω is the angular velocity of the ball (which we can assume to be constant).

The time it took the ball to hit the ground is given as 0. 45 seconds, and the distance it traveled is given as 0. 72 meters.

We can rearrange the equation v = r * ω to solve for ω:

ω = v / r

Plugging in the values we have, we get:

ω = (0. 72 m / 0. 45 s) * (1 s/m)

= 1. 54 rad/s

Now we can use the equation v = r * ω to solve for the horizontal velocity:

v = r * ω

= 0. 45 m * 1. 54 rad/s

= 6. 74 m/s

Therefore, the horizontal velocity of the ball as it rolled off the table was 6. 74 m/s.  

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Mass ,because inertia and mass are directly related, which means an increase in mass will increase inertia.

The concept of inertia states that an object will maintain its current motion unless a force changes its speed or direction.

The Latin word iners, which means idle or sluggish, is where the word "inertia" originates. The resistance of any physical object to a change in velocity can also be referred to as inertia.

The propensity of things to continue traveling straight ahead at a constant speed in the absence of external pressures is one element of this feature.

Therefore, Mass ,because inertia and mass are directly related, which means an increase in mass will increase inertia.

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The S.I units of K so that the equation Velocity = K × density is dimensionally correct is M^-1.L^3.T^-1 [L^3.M^-1.T^-1]

The most extensively used system of measuring in the world is the International System of Units, sometimes known as the SI system and abbreviated SI in all languages. It is the current version of the metric system.

Attached in this answer is the straightforward solution of the question and this shows the dimensional correctness needed after the equation Velocity = K × density has been solved,.

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Answer:

When metals react with non-metals, electrons are transferred from the metal atoms to the non-metal atoms, forming ions. The resulting compound is called an ionic compound.

: