what will happen to the two objects in the picture as they are slowly moved toward each other?
A .the objects will push away from each other.
B .the objects will not affect each other.
C . the objects will be pulled toward each other.
D .the objects will both be pushed in the same direction.

In the case of a 9.0-cm-long spring attached to the ceiling, the spring constant is 207.1. The spring can be stretched to a height of 15 cm by hanging a 1.9 kilogram mass from it.

The "spring constant," or "k," is a quantity that effectively indicates how "stiff" a spring is. It is represented by the letter "k." A greater value of k indicates that more pressure is necessary t extend it a given distance than would be necessary to stretch a spring with a lower stiffness a similar distance.

F = mg

k = ( 1.9) (9.81) = 18.639N

F/x =18.639 /0.09 =207.1.  N/meter

F = -kx. The spring constant, k, is a proportional constant. It gauges how firm the spring is. When a spring is compressed or extended to a length that differs by an amount x out of its equilibrium length, it produces a force F = -kx that pushes it back towards its equilibrium position.

To know more about spring constant visit:

https://brainly.com/question/14670501

#SPJ4

The correct question is

A 9.0-cm-long spring is attached to the ceiling. when a 1.9 kg mass is hung from it, the spring stretches to a length of 15 cm . you may want to review ( pages 219 - 221) . part a what is the spring constant k?

The probability of Wayne attempting a shot on goal is influenced by multiple factors:

1. Position on the field: Wayne's location on the field can affect his likelihood of attempting a shot. If he is closer to the opponent's goal, the probability might be higher as he is in a better scoring position.

2. Game situation: The current score, time remaining in the game, and the team's overall strategy can impact Wayne's decision to attempt a shot. If his team is trailing and time is running out, he may be more likely to take a shot in an attempt to score and equalize or win the game.

3. Skill level: Wayne's skill and confidence in his ability to score can influence his decision to attempt a shot. If he is known for his goal-scoring abilities and has a high level of skill, he may be more inclined to take shots when opportunities arise.

4. Team strategy: The tactical approach adopted by Wayne's team and the coach's instructions can also affect the probability of him attempting a shot. Some teams may prioritize ball possession and prefer to build up play, while others may encourage their players, including Wayne, to take shots whenever they have a chance.

Given the complex and dynamic nature of these factors, it is difficult to provide a specific probability without more context about the specific game and circumstances.

To know more about probability refer here

https://brainly.com/question/31828911#

#SPJ11

Explanation:

yes, you are correct in both cases.

this is in one hand exactly the definition of science (science tries to find out how the natural world works and hence how we can use that in our favor), and on the other hand exactly the problem when dealing not just with general behavior but exact results in natural systems.

mother nature "hates" exact results. it works by chance and by the law of big numbers and tendencies (only with many, many comparable events can you see a tendency of the system). when you observe the behavior of one horse in a situation, you still know nothing about how horses behave. only after observing many horses in the same situation can you see a pattern emerging.

flipping a coin 4 times will usually not show the expected 50/50 pattern of heads and tails. but 100 or 1000 flips will start to show the tendency. but they will still not have an exact and as such repeatable result and will almost never produce the limit of the tendency of a 50/50 split of results.

Answer:

~343 m/s

Explanation:

Because that is the speed of sound in dry air.

Answer:

3) a skier racing down a hill

Explanation:

Remember kinetic energy is energy which a body possess by virtue of being in motion. So anything that is in motion will gain kinetic energy and lose potential energy. Answer 3 was the only object in motion. Kinetic energy is also named energy of motion.

Answer:

180.7km/hr²

Explanation:

Given parameters:

Initial velocity  = 10miles/hr

Final velocity  = 25miles/hr

Time taken = 5minutes

     To hr

               60min  = 1hr

               5min gives 0.083hr

Unknown:

Acceleration  = ?

Solution:

To solve this problem,

   Acceleration  = \(\frac{v - u}{t}\)  

v is the final velocity

u is the initial velocity

  Acceleration  = \(\frac{25 - 10}{0.083}\)   = 180.7km/hr²

Answer:

The data that we have is:

Initial height = 2m

Initial vertical speed: As the sister is only pushed, we can assume that we do not have initial speed in the vertical axis.

Then at the beginning, we only have potential energy, that (using the water as the zero in our axis) can be written as:

U = m*g*h

where m is the mass of your sister, g is the gravitational acceleration, and h is the initial height:

h = 2m

g = 9.8m/s^2

Now, when your sister is about to touch the water, all the potential energy has be transformed into kinetic energy:

K = (m/2)*v^2

Then we have, at that moment:

K = U

(m/2)*v^2 = m*g*h

We want to solve this for v, that is the velocity.

v = √(2*g*h) = √(2*9.8m/s^2*2m) = 6.26 m/s

So the speed at which your sister hits the water is 6.26 m/s

Answer:

1. v = 30 m/s

2. v = 5 m/s

3. f = 40 Hz

4. f = 400 Hz

5. f = 300 Hz

6. λ = 0.772 m

7. λ = 0.386 m

8. λ = 0.625 m

9. v = 100 m/s

10. v = 50 m/s

Explanation:

The relationship between frequency, wavelength, and speed of a wave is given by the following formula:

\(v = f\lambda\)

where,

v = speed of wave

f = frequency of wave

λ = wavelength

1.

f = 100 Hz

λ = 0.3 m

Therefore,

v = (100 Hz)(0.3 m)

v = 30 m/s

2.

f = 50 Hz

λ = 0.1 m

v = (50 Hz)(0.1 m)

v = 5 m/s

3.

v = 20 m/s

λ = 0.5 m

\(f = \frac{v}{\lambda} = \frac{20\ m/s}{0.5\ m}\)

f = 40 Hz

4.

v = 80 m/s

λ = 0.2 m

\(f = \frac{v}{\lambda}=\frac{80\ m/s}{0.2\ m}\)

f = 400 Hz

5.

v = 120 m/s

λ = 0.4 m

\(f = \frac{v}{\lambda}=\frac{120\ m/s}{0.4\ m}\)

f = 300 Hz

6.

v = 340 m/s

f = 440 Hz

\(\lambda = \frac{v}{f}=\frac{340\ m/s}{440\ Hz}\\\)

λ = 0.772 m

7.

v = 340 m/s

f = 880 Hz

\(\lambda = \frac{v}{f}=\frac{340\ m/s}{880\ Hz}\\\)

λ = 0.386 m

8.

v = 250 m/s

f = 400 Hz

\(\lambda = \frac{v}{f}=\frac{250\ m/s}{400\ Hz}\\\)

λ = 0.625 m

9.

f = 50 Hz

λ = 2 m

v = (50 Hz)(2 m)

v = 100 m/s

10.

f = 100 Hz

λ = 0.5 m

v = (100 Hz)(0.5 m)

v = 50 m/s

Answer:

it B

Explanation:

I KNOW IT

a) Angular frequency is  12.75 rad/s b)  The wave number is 33.59m c)

y ( x ,t) = 2.34  x  sin(33.59 x - 12.75t)

Given,

wavelength = λ = 18.7 cm

                   = 0.187 m

amplitude , A = 2.34 cm

v = 0.38 m/s

A) angular frequency = ?

f = v/λ

f = 0.38/1.87 = 2.03

angular frequency ,

ω = 2π f

ω = 2π x 2.03

ω = 12.75 rad/s

B) the wave number,

K = 2π/λ = 33.59m

c) as the wave is propagating in -x direction, the sign is positive between x and t

y ( x ,t) = A sin(k  x - ω t)

y ( x ,t) = 2.34  x  sin(33.59 x - 12.75t)

Learn more about angular frequency here:

https://brainly.com/question/14244057

#SPJ4

Answer:

im saying 4. its just a guess it makes sense tho

Explanation:

sorry for getting this wrong.

Answer:

longitudinal waves

Explanation:

I got it right

Answer:

An earthquake is a trembling movement of the earth's crust. These tremors are generally caused by shifts of the plates that make up the earth's surface. ... A tsunami (pronounced soo-NAHM-ee) is a series of huge waves that occur as the result of a violent underwater disturbance, such as an earthquake or volcanic eruption.

Explanation:

Answer:

A. New problem or discovery Engineering solution Development Research Explanation:

A possible  sequence of steps in the research and development cycle are  A. New problem or discovery Engineering solution Development Research​. In the  research and development cycle, the first step is the problem that a scientist observe. After that we have discover a solution for that problem through many research so the above materials are the possible sequence of steps in the research and development cycle.

The natural frequency of the system is 4.545 Hz and the driving frequency is 5 Hz.

The beat period is the difference between the period of the driving force and the period of the system's natural frequency. Thus, we have:

Beat period = 1/f_beat = 0.2 s

Period of the system = T = 0.02 s

Therefore, we can write:

1/f_driving - 1/f_natural = 1/f_beat

Solving for the natural frequency, we get:

f_natural = f_driving / (1 + f_driving * f_beat)

We know that the system is driven from rest, so the amplitude of the motion will be maximum at the driving frequency. Therefore, the driving frequency is given by:

f_driving = 1 / (2π√(m/k))

where m is the mass of the system and k is the spring constant.

Substituting the given values, we get:

f_driving = 5 Hz

Substituting this value into the equation for the natural frequency, we get:

f_natural = 4.545 Hz

To know more about beat period refer here

https://brainly.com/question/1658034#

#SPJ11

Answer:

60 - 45 = A. 15

Explanation:

Subtracted because the plane mirror at an angle is incidence of 60°, so then in order to find the value it would be 60-45 and not adding it or dividing and multiplying to find the value thus the answer is 15.

60 - 45 = A. 15. Subtracted because the plane mirror at an angle is incidence of 60°, so then in order to find the value it would be 60-45 and not adding it or dividing and multiplying to find the value thus the answer is 15.

A flat or highly polished surface called a plane mirror reflects light or waves to create an image. It is a polished, smooth surface that creates a virtual representation of the actual object.

A plane mirror is a surface on which an image can only be produced by at least two light beams. The intersection of these two beams can occur inside the mirror or appear to occur somewhere behind the mirror.

The image that follows illustrates how an object appears when viewed via a plane mirror.

Therefore, 60 - 45 = A. 15. Subtracted because the plane mirror at an angle is incidence of 60°, so then in order to find the value it would be 60-45 and not adding it or dividing and multiplying to find the value thus the answer is 15.

To learn more about Plane mirror, refer to the link:

https://brainly.com/question/13101215

#SPJ2

The molar solubility of substance X is approximately 3.74×10^(-12) mol/L, rounded to two significant figures.

To find the molar solubility of a substance, we need to convert the solubility from grams per milliliter (g/mL) to moles per liter (mol/L).

Given:

Solubility of substance X = 7.0×10^(-13) g/mL

Molar mass of substance X = 187 g/mol

First, we need to convert the solubility from g/mL to g/L. Since there are 1,000 mL in 1 L, we can multiply the given solubility by 1,000 to convert it to g/L:

Solubility (g/L) = 7.0×10^(-13) g/mL × 1,000 mL/L = 7.0×10^(-10) g/L

Next, we can convert the solubility from grams to moles using the molar mass:

Moles of substance X (mol/L) = Solubility (g/L) / Molar mass (g/mol)

= 7.0×10^(-10) g/L / 187 g/mol

≈ 3.74×10^(-12) mol/L

Therefore, the molar solubility of substance X is approximately 3.74×10^(-12) mol/L, rounded to two significant figures.

For more such questions on Molar solubility

https://brainly.com/question/31386127

#SPJ11

Answer:

x=2

Explanation:

-20 = -10x

divide by 10

-x = -2

cancel the -s

Answer:

All music in the world, is form only two notes and those notes are described below in detailed explanation.

Explanation:

In the chromatic scale, there are basically seven central musical notes, designated A, B, C, D, E, F, and G. They individual express a separate pitch or frequency. For illustration, the "central" A note has a pitch of 450 Hz, and the "common" B note has a pitch of 495 Hz.

Varieties Of Musical Notes You Require To Understand

Semibreve (Whole Note)

Minim (Half Note)

Crotchet (Quarter Note)

All music, listened to in the world, is from only twelve (12) notes.

A music can be defined as the systematic combination of an instrumental sound and human vocals, in order to produce harmonious tunes or sounds.

A note can be defined as a symbol which is used to denote a musical sound with respect to its pitch and duration.

Basically, all the music that are available and listened to in the world are typically produced from only twelve (12) notes.

This ultimately implies that, any musical piece that you may have come across in this world comprises only twelve (12) notes and these include:

Read more: https://brainly.com/question/20245998

Main sequence stars.

Hence, all of the statements are correct.

Because

Hence, all of the statements are correct.

To know more about stars here

https://brainly.com/question/31319268

#SPJ1

Answer:

Mark me as a brainlist

Explanation:

jj is not the project and the will and NZD in is

When a team changes its tactics in response to another team, it's called variation. So the correct option is D.

When a technical action is applied against an opponent in a game or a sport with the purpose to exert dominance over the opponent to ultimately win the game, it is called the tactics of the sport.

The art of competition is called a tactic. The type of tactic applied depends upon the nature of the game and the nature of the competition in the game.

Tactics are applied to control the psychology of the opponent or any kind of physical activity of the opponent. The mode of tactic applied can also be either a physical action, language, behavior, or even a simple gesture.

Tactics can be used during a competition or even before the competition. It is advisable to undergo special tactical training to learn all the tactics which can help the players to gain an advantage over the opponent.

Tactics are of various types. Variation is a type of team tactic.

Therefore the correct option is D.

Read more about tactics, here

https://brainly.com/question/25687866

#SPJ2

The fastest growing source of electricity in the world today is from wind and solar power.

Renewable sources of energy are being used increasingly around the world to provide clean, low-cost electricity. Over the last decade, wind and solar power have experienced unprecedented growth, becoming the fastest-growing source of electricity in the world today. The cost of wind and solar has dropped to a point where they are now cost-competitive with traditional fossil fuels like coal and gas, and are often cheaper than nuclear power. In addition, wind and solar power are abundant, renewable, and do not emit greenhouse gases that contribute to climate change. As a result, they are widely considered to be the most promising clean energy sources for the future.

Wind and solar power have become the fastest growing source of electricity around the world because they are clean, renewable, and cost-competitive with traditional fossil fuels.

To know more about Renewable sources visit:

brainly.com/question/31859302

#SPJ11

The correct statement is the insoluble sugar collected on the sprinkles and made them turn white.

So, option A is correct.

Sugar is described as the generic name for sweet-tasting, soluble carbohydrates, many of which are used in food. Simple sugars, also called monosaccharides, include glucose, fructose, and galactose.

If Kira is making an extra special hot chocolate by adding sugar, cocoa powder, and colored sprinkles to hot water. Then if after drinking all of the liquid, she sees a clump of white sprinkles on the bottom of the cup. It goes to tell us that the insoluble sugar collected on the sprinkles and made them turn white.

In chemistry, sugar is known as sucrose which is a molecule composed of 12 atoms of carbon, 22 atoms of hydrogen, and 11 atoms of oxygen  with a chemical formula of (C12H22O11). Like all compounds made from these three elements, sugar is a carbohydrate.

Learn more about sugar at: https://brainly.com/question/542580

#SPJ1

Answer: D. Is the jelly like fluid within a cell

watch the cell rap

Answer:

cryosphere is all those areas of earth where the surface is frozen while hydrosphere is all waters of earth, as distinguished from the land and the gasses of the atmosphere

Large hydroelectric dams have significant environmental consequences for areas nearby.

Therefore, Making decisions about the development of hydroelectric dams requires balancing the environmental costs against the advantages of clean, renewable electricity.

Learn more about hydroelectric dams here : brainly.com/question/27103268

#SPJ4

The distance the rocket will travel in orbit during a 17-second burn with a 300 m/s² acceleration is approximately 130050 meters, rounded to the nearest whole number.

To find the distance a rocket will travel in orbit during a 17-second burn with a constant acceleration of 300 m/s², we can use the kinematic equation: d = v₀t + (1/2)at²

where: d is the distance traveled

v₀ is the initial velocity

t is the time

a is the acceleration

Given that the initial velocity v₀ is zero, we can simplify the equation to:

d = (1/2)at²

Plugging in the values:

d = (1/2)(300 m/s²)(17 s)²

d = (1/2)(300 m/s²)(289 s²)

d = 130050 m

Therefore, the distance the rocket will travel in orbit during a 17-second burn with a 300 m/s² acceleration is approximately 130050 meters, rounded to the nearest whole number.

To learn more about, acceleration, click here, https://brainly.com/question/12550364

#SPJ11

Answer:

Micro Waves

Explanation:

Microwaves in particular are used by cell phone calls for wireless communication. A portion of radio waves with higher frequency makes up these microwaves. The cellphone's antenna transforms speech data into microwaves during a call, and these microwaves travel through the atmosphere to the closest cell tower. The tower takes in and sends the microwaves to the mobile device of the intended receiver. The gadget receives the microwaves and transforms them back into electrical signals so the recipient can hear the voice data. By employing the strength of microwaves, this technology provides wireless communication and permits mobile users to communicate from anywhere inside the cellular network's service area.

The type of waves that are used to make and receive cellphone calls are radio waves.

Radio waves are a type of electromagnetic radiation that has a long wavelength and low frequency. These waves are used for communication purposes because they are able to travel long distances without losing their signal strength. When a person makes a call on their cellphone, their voice is converted into an electrical signal that is sent through the cellphone's antenna as a radio wave. This radio wave is then picked up by the nearest cell tower, which receives the signal and sends it through the network to the person on the other end of the call. The process is reversed when the other person responds, with their voice being converted into a radio wave that is sent back through the network to the caller's phone.

In summary, radio waves are the type of waves that are used to make and receive cellphone calls due to their ability to travel long distances without losing signal strength.

To know more about radio waves, visit:

https://brainly.com/question/13989450

#SPJ11

Answer:

[M1 L2 T-3 I-1]

The efficiency values that is reasonable If you want to design a high efficiency wind turbine is 45%

The efficiency of a wind turbine is the ratio of the power it generates to the power in the wind.

The theoretical maximum efficiency of a wind turbine is the Betz limit, which is 59.3%.

However, in practice, wind turbines are typically only about 35%- 45% efficient.

There are a number of factors that can affect the efficiency of a wind turbine, including the size of the turbine, the wind speed, and the design of the turbine.

Find more exercises on efficiency value;

https://brainly.com/question/31035066

#SPJ1