A soccer player is running at a constant speed of 1.8 m/s when she speeds up in the same direction with an acceleration of .50m/s. What will be her final speed if she accelerates for a totally distance of 10.0 meters?

The statement that describes an energy measurement is one gram of wood stores 16,000 J, therefore the correct answer is option D

It can be defined as the form of the energy in which heat is transferred from one body to another body due to their molecular movements, thermal energy is also known as heat energy.

Thermal energy can be produced with help of various means such as by burning fossil fuels, with the help of solar energy.

The Joule is the recognized unit of measurement for energy (J). Kilowatt/hour (kWh), which is used specifically for electric energy, should be listed among the most used units for measuring energy (in fact it is used to calculate electricity bills). The Terawatt/hour (TWh), or one billion kW/h, is used to calculate the output of big power facilities or the country's consumption.

Thus, The statement that describes an energy measurement is one gram of wood stores 16,000 J, therefore the correct answer is option D

Learn more about thermal energy from here

brainly.com/question/3022807

#SPJ2

True, it is possible for a fault to have a north-south (N-S) strike and an eastward dip.

Faults can have various orientations and dips depending on the tectonic forces and geological conditions in a particular region. The strike refers to the direction of the fault line on the Earth's surface, while the dip indicates the angle at which the fault plane is inclined from the horizontal. Therefore, a fault can have any combination of strike and dip, including an N-S strike and an eastward dip.

Faults are geological fractures where movement has occurred, and their orientations can vary. A fault with a north-south (N-S) strike means it extends in that direction horizontally. The dip refers to the angle of the fault plane from the horizontal. So, it is possible for a fault to have an N-S strike and an eastward dip.

To know more about tectonic forces.

https://brainly.com/question/13897553

#SPJ11

Answer:

the force acting on it will be zero

Answer:

5.3 s

Explanation:

Given:

v₀ = 52 m/s

v = 0 m/s

a = -9.8 m/s²

Find: t

v = at + v₀

0 m/s = (-9.8 m/s²) t + 52 m/s

t = 5.3 s

I think the number 2, not sure

While an object moves along a curved path it is not possible for acceleration to be zero.

The term acceleration has to do with the change of velocity with time. We know that velocity is a vector quantity. Since velocity is a vector quantity, it means that velocity would have both magnitude and direction.

Given the fact that the magnitude of the velocity of the object that is moving along a curved path may be constant, the direction of the velocity still changes.

Owing to the fact that we must consider both changes in magnitude and direction of velocity, it then follows that while an object moves along a curved path it is not possible for acceleration to be zero.

Learn more about acceleration:https://brainly.com/question/12550364

#SPJ1

Explanation:

Explanation:

Pressure is defined as a Force over an

Area.

p=F/A

We can rearrange this to make the Force

the subject

F = p *A

The pressure is given as 1200 Pa.

We know a pascal is 1 Newton / Square

metre = N/m²

The area of a cube will be width * breadth

= 1.5 m * 1.5 m= 2.25 m²

So the force the cube is pushing down

with (its weight) is simply

F = p * A = 1200 N/m² * 2.25 m² = 2700 N

Weight is officialy defined as a force

measured in Newtons, but when we

talk about weight we often give it in

Kilograms (a unit of mass).

To get the weight in units of

Kilogram-force you must divide by the

gravitational acceleration =9.81 m/s²

2700 / 9.81 = 275.23 Kg

PS can u pls follow me and mark me the brainliest

Answer:

pressure = force ie 500 N divided by area ie 0.05m².

p=f by a

p= 500n divided by 0.05 m²

p= 10,000 pascal

(a) The lowest possible total energy of the system of three spin-1/2 particles of mass m in one dimension confined inside a box of length L can be found by applying the Pauli exclusion principle. Each particle can have two possible spin states, so there are 2^3 = 8 possible spin configurations for the system.

The ground state corresponds to all particles being in the lowest possible energy state and satisfying the Pauli exclusion principle. The energy of this ground state can be calculated as:

E = 3/2 (h^2/8mL^2)

where h is Planck's constant.

(b) The lowest possible total energy of a system of three spin-zero particles of the same mass confined inside the same box is simply given by the Schrödinger equation for three non-interacting particles in a one-dimensional box, which is:

E = 3h^2/8mL^2

Comparing the two energies, we see that the energy of the spin-1/2 system is slightly higher than that of the spin-zero system, due to the fact that the spin-1/2 particles have more possible configurations and therefore a slightly higher energy.

Learn more about  energy   here:

https://brainly.com/question/1932868

#SPJ4

A). The lowest possible total energy of the system of three spin-1/2 particles is 3h²/(8mL²).

B). The lowest possible total energy of the system of three spin-zero particles is also 3h²/(8mL²), which is the same as the energy of the system of three spin-1/2 particles.

Energy is a fundamental concept in physics, referring to the capacity of a physical system to do work. Work is defined as the transfer of energy from one system to another, and energy is required to perform any type of work. There are many different forms of energy, including kinetic energy (energy of motion), potential energy (stored energy), thermal energy (energy associated with the temperature of a system), chemical energy (energy stored in chemical bonds), electrical energy (energy carried by electric charges), and nuclear energy (energy stored in atomic nuclei).

Energy is conserved, meaning that it cannot be created or destroyed, only transformed from one form to another. This is known as the first law of thermodynamics. The second law of thermodynamics states that energy tends to flow from areas of high concentration to areas of low concentration, resulting in a gradual dissipation of energy and an increase in disorder (entropy) within the system.

To learn more about Energy visit here:

brainly.com/question/2409175

#SPJ4

Atoms are the smallest units of an element that retain its chemical properties, and when they combine, they form molecules.

Molecules are the basic building blocks of matter. They are composed of two or more atoms chemically bonded together. Molecules can consist of atoms of the same element or different elements.

For example, oxygen gas (O2) is made up of two oxygen atoms bonded together, while water (H2O) is composed of two hydrogen atoms and one oxygen atom. Molecules can have different sizes and complexities, ranging from simple diatomic molecules to large and intricate organic molecules found in living organisms.

The formation of molecules occurs through chemical bonding, which involves the sharing, gaining, or losing of electrons between atoms. The most common types of chemical bonds are covalent bonds, where atoms share electrons, and ionic bonds, where atoms transfer electrons to form oppositely charged ions that attract each other.

Molecules are essential in determining the properties and behavior of substances. The arrangement and types of atoms within a molecule determine its chemical and physical properties. For example, the arrangement of carbon and hydrogen atoms in a molecule can give rise to properties such as flammability and volatility.

Molecules play a fundamental role in various scientific fields, including chemistry, biology, and physics. They participate in chemical reactions, form the basis of compounds, and interact with each other to create the diverse substances and materials found in the universe.

For more such questions on molecules visit:

https://brainly.com/question/30337264

#SPJ11

Answer:

Downhill schussing

Explanation:

Can I have brainliest please im trying to level up

Answer:

∑F = 10.2 N

Explanation:

We have:

Initial velocity: 0.5 m/s

Final velocity: 3 m/s

Time: 1.5 s

We have all of the components needed to calculate acceleration. Let's do that, shall we?

a = vf-vo/t

a = 2.5/1.5

a = 1.7 \(m\)/\(s^{2}\)

Now, look at the Net Force equation:

∑F = ma

Plug in the variables, to get:

∑F = (6)(1.7)

∑F = 10.2 N (You can round this according to significant digits)

Answer:

Three (3).

Explanation:

The octet rule is a rule in chemistry that states that, chemical elements would either gain or loss electrons in their outermost shell in order to attain a stable electronic configuration i.e having eight (8) valence electrons in their outermost shell such as chemical elements found in group 8 (2-8-8) known as noble gas.

A phosphorus atom needs to gain three (3) electrons to achieve a full octet because the atomic number of phosphorus is 15 and as such it has the electronic configuration of 2-8-5 and needs three electron in order to become a stable element.

Answer:

10 N

Explanation:

Given that,

A man pushes against a tree with a force of 10 newtons.

We need to find the amount of force exerted by the tree on the man.

The force exerted by the tree on the man will be equal to the force that the man exert on the tree as per Newton's third law of motion.

It means the tree exert 10 N force on the man. Hence, the correct option is (c) i.e. 10 N.

The speed of the faster train is approximately 30 m/s.

When two trains with horns of different frequencies approach each other, an observer standing between them will hear a beat frequency equal to the difference in the frequencies of the horns. In this case, since both trains have horns of 154 Hz, the beat frequency heard by the observer is solely due to the Doppler effect. The Doppler shift in frequency is given by Δf/f = v/c, where v is the speed of the train, c is the speed of sound, and Δf is the beat frequency. Solving for v, we get v = (cΔf)/f. Plugging in the given values, we find that the speed of the faster train is approximately 30 m/s.

When two trains with horns of different frequencies approach each other, an observer standing between them will hear a beat frequency equal to the difference in the frequencies of the horns. In this case, both trains have horns of 154 Hz, so the beat frequency heard by the observer is solely due to the Doppler effect. The Doppler shift in frequency is given by Δf/f = v/c, where v is the speed of the train, c is the speed of sound, and Δf is the beat frequency. Solving for v, we get v = (cΔf)/f.

To find the speed of the faster train, we need to first calculate the speed of sound. At a temperature of 20°C, the speed of sound in air is approximately 343 m/s. Plugging in the given values, we get v = (343 m/s * 5.0 Hz) / 154 Hz = 11.14 m/s.

Next, we can use the fact that the slower train has a speed of 25 m/s to set up an equation relating the speeds of the two trains. Letting v1 be the speed of the slower train and v2 be the speed of the faster train, we have v1 + v2 = 2v, where v is the speed of sound. Solving for v2, we get v2 = 2v - v1 = 2(343 m/s) - 25 m/s = 661 m/s. Rounding to two significant figures, the speed of the faster train is approximately 30 m/s.

To know more about Doppler effect visit:

brainly.com/question/28106478

#SPJ11

A Named constant is made using the constant statement.

A constant statement is one that is used to give names to constants. In its simplicity, it is used widely to assign names. The whole process of programming also involves adherence to rules and norms that must be followed in order for the program to work. The constant statement is no exception to that rule.

The statement must be made with adherence to the rules that are given for variables and constants. If these are not met, there will be an error. The constant_expression is used for anything and all the names are kept under UNSHARED. The rules are extremely important with the constant statement.

To learn more about constant statement:
brainly.com/question/32272586

#SPJ4

In computer programming, a named constant is created using the 'const' statement.

In computer programming, a named constant is a value that remains constant throughout the execution of a program. It is used to store a fixed value that should not be modified. To create a named constant, the 'const' keyword is used.

For example, in C++, you can create a named constant using the following statement:

In this example, 'MAX_VALUE' is the name of the constant, and its value is set to 100. Once a constant is defined using the 'const' keyword, its value cannot be changed.

Named constants are useful in programming as they provide a way to store important values that should not be modified. They make the code more readable and maintainable by clearly indicating the purpose and usage of the constant.

About computer programming here:

https://brainly.com/question/3397678

#SPJ11const int MAX_VALUE = 100;

Answer:

16.67 s

Explanation:

Given that the

Grant sprints 50m to the right with an average velocity of 3 m/s.

According to definition of speed,

Speed = distance/time

Substitute speed and distance into the formula.

3 = 50 / t

Make time t the subject of formula

t = 50 / 3

t = 16.667 seconds

Therefore, the number of seconds the Grant sprint is 16.7 s approximately.

Answer:

227 seconds.

Explanation:

Speed is equal to distance divided by time. s = d/t

We can rearrange this algebraically to solve for the time it will take to cover a certain distance at a certain speed. Time is equal to distance divided by speed.  t = d/s

Then we substiture our known values for the variables and solve for our unknown.

t = 454m / 2m/s = 227s

Answer:

If the lady is traveling 2 meters per second and she travels 454 meters then you will have to divide 454 by 2 to get the amount of time she walked.

454 divided by 2 = 227

This means that the lady traveled for 227 seconds or about 3.78 minutes.

Answer:

Approximately \(0.043\; {\rm m}\) at equilibrium (assuming that \(g = 9.81\; {\rm N\cdot kg^{-1}}\).)

Explanation:

There are two forces on this rock: the force from the spring, and weight.

Multiply the mass of the rock by \(g\) to find the weight of the rock:

\(\begin{aligned} (\text{weight}) &= m\, g \\ &= (1.2\; {\rm kg})\, (9.81\; {\rm N\cdot kg^{-1}}) \\ &\approx 11.772\; {\rm N} \end{aligned}\).

At equilibrium, magnitude of the force on the rock from the spring would be equal in to that of the weight of the spring: approximately \(11.772\; {\rm N}\).

To find the magnitude of the displacement of the spring, divide the magnitude of the force that the spring exerted by the spring constant:

\(\begin{aligned}& (\text{displacement}) \\ =\; & \frac{(\text{spring force})}{(\text{spring constant})} \\ =\; & \frac{11.772\; {\rm N}}{275\; {\rm N\cdot m^{-1}}} \\ \approx\; & 0.043\; {\rm m}\end{aligned}\).

Answer:

mass = volume x density.

Explanation:

2 x 10 = 20g

Reverberation can enhance sound quality, create decay, reduce clarity, and cause distortion.

Answer:

(B)   hot air is lighter than cold air

P V = N R T       ideal gas equation

If T (temperature) is smaller then N (number of moles) must be larger if other quantities remain constant,

A solution is defined as the homogeneous mixture which has the same composition throughout. A solution can exist in any phase.

A solution which is made up of two constituents or components is defined as the binary solution. The term solute is commonly used to refer to the constituent that dissolves and the term solvent is one in which the dissolution takes place.

There can be three physical states in which the solutions may exist, there can be three types of solutions: solid solutions, liquid solutions and gaseous solutions. There are solid solutions, liquid solutions and gaseous solutions.

Thus the solution can exist in any phase.

To know more about solution, visit;

https://brainly.com/question/11985826

#SPJ1

When you have an object or system that can vibrate, it will have certain frequencies at which it naturally vibrates more easily than at other frequencies. These are called the natural frequencies of the object or system.

In the case of the test tubes, we're talking about air columns vibrating. Each test tube has a different length, which means it will have a different set of natural frequencies. When you blow across the top of the test tube, you're creating a disturbance in the air column inside the tube, which can set it vibrating at one of its natural frequencies.

The length of the air column determines the wavelengths of the vibrations that can occur. The formula for calculating the natural frequencies of an air column is:

f = nv/2L

Where f is the frequency, n is an integer representing the harmonic (i.e. 1 for the fundamental frequency, 2 for the first overtone, 3 for the second overtone, etc.), v is the speed of sound in air (which is approximately 343 m/s at room temperature), and L is the length of the air column. So, for example, if you have a test tube that is 20 cm long and you're looking at the fundamental frequency (n=1), you would calculate:

f = 1 x 343/(2 x 0.2) = 855 Hz

This would be the frequency at which the air column would naturally vibrate if you blew across the top of the test tube. If you had a different test tube that was, say, 30 cm long, the calculation would give you a different frequency:

f = 1 x 343/(2 x 0.3) = 572 Hz

So you can see that the longer test tube would have a lower natural frequency than the shorter one. In general, longer test tubes will have lower natural frequencies than shorter ones. This is because the longer air column can support longer wavelengths of vibration, which correspond to lower frequencies.

To know more about Natural Frequencies visit:

https://brainly.com/question/1123932

#SPJ11

A pipe that is open on both ends has a fundamental frequency of 584 Hz. There are 252451 meters in the Pipe.

The frequency of oscillatory and granular phenomenon, such as mechanical energy, speech recordings (sound), radiofrequency, and light, is a major variable in engineering and sciences.

The proportion of times every second that even a sound level wave repeats itself is known as frequency, often known as pitch. A bullfrog cry is significantly lower in speed than a whistle, while a cricket was so much lower in frequency than a drumbeat.

λ=c/ν

where λ = frequency,

λ= c/ν

= 2l

l = 252451m

To know more about frequency visit:

https://brainly.com/question/2140860

#SPJ4

Answer:

The answer is "DACB".

Explanation:

The missing data of the question is defined in the attached file please find it.

Using formula:

\(\to F= m \cdot a\\\\ \to m= 5 \ kg\)

In object A:

\(F= 15 \\\\a =\frac{F}{m} = \frac{15}{5} = 3\)

In object B:

\(F= 30 \\\\a =\frac{F}{m} = \frac{30}{5} = 6\)

In object C:

\(F= 20 \\\\a =\frac{F}{m} = \frac{20}{5} = 4\)

In object D:

\(F= 0 \\\\a =\frac{F}{m} = \frac{0}{5} = 30\)

That's why the answer is "DACB" .

The difference is 920nm.

The wavelength can be defined as the separation between wave crests. Additionally, a wide variety of objects move in waves, including light, the earth or ground, water, strings, air, and sound waves. Furthermore, we use the Greek letter lambda to denote the wave's wavelength. In addition, the wave's wavelength is determined by dividing its velocity by its frequency. Additionally, we employ meters (m), which is the unit used to indicate wavelength in meters.

Positive interference is produced by a bright fringe, and the wavelength is always multiple.

The difference at the center fringe is (460 nm)(0) = 0.

The difference for the first maximum is (460 nm)(1) = 460 nm.

The difference for the second maximum is (460 nm)(2) = 920 nm.

As a result, the difference for maxima n is (460 nm) (n)

Since C is on the second maximum in the image that was submitted, the difference is stated as (460 nm)(2) = 920 nm.

Consequently, the screen's central dot on the fringe E to the left slit is 920 nm.

To learn more about Wavelength, visit:

https://brainly.com/question/13533093

#SPJ4

The approximate vertical component of the initial velocity is 21.7 m/s.

option D.

The approximate vertical component of the initial velocity is calculated by applying the following equation as follows;

Mathematically, the formula vertical component of velocity is given as;

Vy = V sinθ

where;

The approximate vertical component of the initial velocity is calculated as;

Vy = 25 m/s  x sin (60)

Vy = 21.7 m/s

Learn more about vertical component of velocity here: https://brainly.com/question/24949996

#SPJ4

Answer:

b because to react with something makes it a chemical reaction

Explanation:

\(\\ \sf\longmapsto P.E=mgh\)

\(\\ \sf\longmapsto P.E=102(120)(10)\)

\(\\ \sf\longmapsto P.E=122400J\)