If friction is ignored and the ball is dropped, it experiences a gain in ____ and a decrease in ___. Question 8 options: kinetic energy; potential energy potential energy; kinetic energy thermal energy; potential energy potential energy; thermal energy

Answers

Answer 1

Answer:

My answer is when the ball is going it experience kinetic energy which is the energy of a moving object while when the ball has stopped then it will have potential energy which means it's at rest so for the ball not to experience friction then there is a gain in kinetic energy and decrease in potential energy.

Answer 2

Answer:

Gain in Kinetic energy and decrease in Potential energy.

Explanation:

What is kinetic energy ?

The energy possessed to a body due to its motion is called kinetic energy.

K = [tex]\frac{1}{2} .m.v^{2}[/tex]

What is potential energy ?

The energy possessed to a body due to its position is called potential energy.

[tex]U =mgh[/tex]

As the falls , due to pull of the Earth its velocity increase thus its kinetic energy also increases .As it falls , its height decrease from the Earth thus potential energy decrease.

Hence in free fall , the ball experiences gain in kinetic energy and decrease in potential energy.

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Related Questions

How to solve this step by step.

Answers

Answer:

a = (v² − v₀²) / (2 (x − x₀))

Explanation:

v² = v₀² + 2a(x − x₀)

Subtract v₀² from both sides.

v² − v₀² = 2a(x − x₀)

Divide both sides by 2 (x − x₀).

(v² − v₀²) / (2 (x − x₀)) = a

1.) Identify two types of heat?

One type of heat causes a change in temperature, the other type of heat causes a change of state.


Answers

Answer:

Explanation:

Thermal Energy and Heat

Shards of ice fly from the sculptor’s chisel. As the crowd

looks on, a swan slowly emerges from a massive block of ice. As

the day wears on, however, drops of water begin to fall from the

sculpture. Drip by drip, the sculpture is transformed into a puddle of liquid water. What makes matter change from one state to

another? To answer this question, you need to think about the

particles that make up matter.

Energy Simply stated, energy is the ability to do work or cause

change. The energy of motion is called kinetic energy. Particles

within matter are in constant motion. The amount of motion of

these particles depends on the kinetic energy they possess. Particles

with more kinetic energy move faster and farther apart. Particles

with less energy move more slowly and stay closer together.

The total kinetic energy of all the particles in a sample of

matter is called thermal energy. Thermal energy, an extensive

property, depends on the number of particles in a substance as

well as the amount of energy each particle has. If either the

number of particles or the amount of energy in each particle

changes, the thermal energy of the sample changes. With identically sized samples, the warmer substance has the greater thermal energy.

Diya visited a tailor shop and bought home three cuttings of fabric A,B and C to study their properties. Diya tried burning the three fibres. Fabric A smelt of burning paper,fabric B smelt of burning hair while fabric C shrunk on burning. Can you help Diya identify fabrics A,B and C

Answers

Answer:

Rayon

Wool

Silk Yarn

Explanation:

Rayon

This is Fabric A. Rayon basically burns very quickly even quicker than fabrics like cotton and linen. Its ash is gray in color. The rayon fabric smells of burning paper when it is burnt.

Wool:

This is Fabric B. Wool is basically hard to ignite. It burns slowly. Its ash is dark in color. The wool fabric smells of burning hair when it is burnt.

Silk Yarn:

This is Fabric C. The silk yarn shrinks from the flame when it is burned. It has a grayish black ash. The silk yarn fabric smells burnt meat of  when it is burnt.

Explain newton 2nd law ???

Answers

Explanation:

Newton's second law simply says that the net force on an object is equal to the object's mass times its acceleration.

∑F = ma

For example, think of a game of tug-of-war, in which two teams pull on a rope in opposite directions.

If the forces are equal (balanced), then the net force is 0 N, so Newton's second law tells us that the rope's acceleration is 0 m/s².

If the forces are not equal (unbalanced), then the net force is not 0 N, and the rope will accelerate in the direction of the net force.

Convert 0.0351 kg to mg. (1,000,000 mg = 1 kg)​

Answers

Answer:

The required answer is 35100

Answer:

35100mg

Explanation: When converting bigger to smaller units, we move the decimal point to the right side. As there are 6 zeroes, The decimal point will move six places to the right. Therefore answer id 35100mg

Solue the Selmultaneous equations:
3y +2x =5 and y-5x = 13​

Answers

Answer:

x=-2 and y=3

Explanation:

Isolate y and then x to get: y=13+5(-2)

Simplify to get y=3 then plug it back in to get x=-2

We can check, 9+ (-4)=5 hope this helps

what quantity of heat will be needed to melt 3kg of ice at -2 degree Celsius to 10 degree Celsius given that S.H.C of water is 4200j/kg.k.Specific latent heat of fusion is 3.36 times 10 raised to the power 5j/k.SLC is 2100j/kg​

Answers

Answer:

1.15×10⁶ J

Explanation:

Heat needed to bring the ice to 0°C:

q = mCΔT

q = (3 kg) (2100 J/kg/K) (0°C − (-2°C))

q = 12,600 J

Heat needed to melt the ice:

q = mL

q = (3 kg) (3.36×10⁵ J/kg)

q = 1,008,000 J

Heat needed to bring the water to 10°C:

q = mCΔT

q = (3 kg) (4200 J/kg/K) (10°C − 0°C)

q = 126,000 J

The total heat is:

q = 12,600 J + 1,008,000 J + 126,000 J

q = 1,146,600 J

q = 1.15×10⁶ J

Which of the following is a chemical property of matter?
combustibility
weight
electrical conductivity
odor

Answers

Answer:

The correct answer is combustibility

Explanation:

A chemical property of a matter is a property in which a matter has the tendency to change its form through chemical reaction(s).

A matter is said to have combustibility property if it can undergo combustion. Combustion is a chemical process in which a substance burns in excess oxygen to produce carbon dioxide and water.

Consider the equation below

CH₄ + O₂ ⇒ CO₂ + H₂O

The equation above shows methane burning in excess oxygen to produce carbon dioxide and water

The answer is electrical conductivity!

7) Is it possible to have zero distance but a nonzero displacement?
Yes or No because ...

Answers

Answer:

Hey there!

No. Displacement is always less than or equal to the distance.

Let me know if this helps :)

What are the 2 main parts of physical science

Answers

Answer:

Physical science is the study of the inorganic world. That is, it does not study living things. (Those are studied in biological, or life, science.) The four main branches of physical science are astronomy, physics, chemistry, and the Earth sciences, which include meteorology and geology.

Explanation:

Consider three widely separated galaxies in an expanding universe (look at picture below). Imagine that you are located in galaxy 1 and observe that both galaxies 2 and 3 are moving away from you. If you asked an observer in galaxy 3 to describe how galaxy 2 appears to move, what would he or she say?

Answers

Answer:

hi... I won't be able to give you a detailed explanation but here's as far as i know:

If you ask someone in galaxy 3 how galaxy 2 appears to move, they'd say that it seems to move away from them too.

Explanation:

Our universe is constantly expanding, right? But there is no central point in the whole expansion thing. A common example used to describe this is a balloon being blown up. Imagine there are little dots on the balloon. When the balloon is blow up, the dots seem to move away from each other but there isn't any one that stays where it is. So that's kind of like the universe.

Galaxy 3 will see galaxy 2 move away from it too.

I don't know a lot about this so please correct me if I'm wrong but... hope this helps.

I WILL GIVE BRAINLIEST!!!! Your friend stands on the roof of her house, which is 12.2 m off the ground, and kicks a soccer ball to you so that it is initially moving horizontally at 13.9 m/s. What is its speed as it hits the ground? The time is 1.58 seconds.

Answers

Answer:

16.74 m/s

Explanation:

From the question, the parameters given are:

Height h = 12.2 metres

Initial velocity U = 13.9 m/s

Time t = 1.58 s

The range or distance covered by the ball will be

R = u^2/g

Where g = 9.8 m/s^2

R = 13.9^2/9.8

R = 193.21/9.8

R = 19.72 m

Let first calculate the acceleration by using the formula below

R = Ut + 1/2at^2

Substitute all the parameters into the formula

19.72 = 13.9 × 1.58 - 1/2 × a × 1.58^2

19.72 = 21.962 - 1.2482a

Collect the like terms

-1.2482a = 19.72 - 21.962

- 1.2482a = - 2.242

a = 2.242/1.2482

a = 1.796 m/s^2

Using equation 1 to find the final speed

V = U + at

V = 13.9 + 1.796 × 1.58

V = 13.9 + 2.838

V = 16.74 m/s

Therefore, it hit the ground at speed 16.74 m/s

need physics help! (there’s a picture)

Answers

Answer:

i. Subtract v₀² from both of the equation.

ii. Divide both side of the equation by 2

iii. Divide both side of the equation by (x – x₀)

a = (v² – v₀²) / 2(x – x₀)

Explanation:

v² = v₀² + 2a(x – x₀)

To solve for a in the expression above, do the following:

i. Subtract v₀² from both of the equation.

v² – v₀² = v₀² – v₀² + 2a(x – x₀)

v² – v₀² = 2a(x – x₀)

ii. Divide both side of the equation by 2

(v² – v₀²) /2= 2a(x – x₀)/2

(v² – v₀²) /2 = a(x – x₀)

iii. Divide both side of the equation by (x – x₀)

(v² – v₀²) /2 ÷ (x – x₀) = a(x – x₀)/(x – x₀)

(v² – v₀²) /2 × 1/ (x – x₀) = a

a = (v² – v₀²) / 2(x – x₀)

if 1,000 J of energy is added to a steak engine, and 400 J of work is done by the engine, how much thermal energy ends up being added to the engine

Answers

Answer:

To indicate that energy has been added or removed as heat or work to a system, the internal energy of the system is calculated.

This is because:

1- the internal energy follows the formula:

ΔU = Q - W

2- the internal energy is indicated by any alternation in temperature

Therefore, the answer is:

internal energy

A exercise ball is on a table 2.5 m above the ground. What is the mass
of the ball if it has a GPE of 56.8 J?

Answers

Answer:

2.27kg

Explanation:

The Potential energy gained = Force gravity× Height

Force gravity on the ball is GPE/ height

56.8/2.5=22.72N

the mass = 22.72/10= 2.27kg

The mass of the ball when the gravitational potential energy of 56.8 J present is 2.27 kg.

What is gravitational potential energy?

The potential energy is the energy by virtue of its position in the effect of gravity.

Given is an exercise ball is on a table 2.5 m above the ground. It has a gravitational potential energy of 56.8 J.

Potential energy = gravity force × height

P.E =mgh

56.8 J = m x 9.8 x 2.5

m = 2.27kg

Thus, mass of the ball is 2.27 kg.

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K= 1/2mv^2
K=1/2(210kg)(10.5 m/s)^2

answer:
unit:

Answers

Answer:

11577.25 Joules

Explanation:

The expression given in the question which is

[tex]k= \frac{1}{2} mv^2[/tex]  

Is the expression for the kinetic energy stored in a system and it is measured in Joules

From the expression we can see that

mass m=210 kg

velocity v= 10.5 m/s

Substituting as seen in the question we have the kinetic energy as

[tex]k= \frac{1}{2}*210*10.5^2\\\\k= \frac{1}{2}*210*110.25\\\\k= \frac{1}{2} *23152.5\\\\k= 11577.25 J[/tex]

hence the energy stored is 11577.25 Joules

A bowling ball starts from rest and moves 300 m down a long, downwardly angled track in 22.4 sec.a. What is its speed at the end of the track? [27 m/s]b. What is its acceleration? [l.2 m/s2]c. Sketch three graphs: Δx vs. Δt, v vs. Δt and a vs. Δt. We are interested in the initial and final values, and the general shape of the graph, (linear, exponential, etc)

Answers

Answer:

The speed at the end of the track = 27 m/s

The acceleration = 1.2 m/s²

Please find the Δx vs Δt, v vs Δt, a  vs Δt

Explanation:

We have;

x = u·t + 1/2·a·t²

Where;

x = The distance = 300 m

u = The initial velocity = 0 m/s (Ball at rest)

t = The time taken = 22.4 s

Therefore;

300 = 0 + 1/2×a×22.4²

a = 2×300/22.4² = 1.19579 ≈ 1.2 m/s²

v = u + a×t

∴ v = 0 + 1.2 × 22.4 = 26.88 ≈ 27 m/s

Part of the table of values is as follows;

t,                                     x,                                          v

0,                                    0,                                        0

0.4,                                 0.095663,                         0.478316

0.8,                                 0.382653,                          0.956632

1.2,                                   0.860969,                         1.434948

1.6,                                   1.530611,                            1.913264

2,                                     2.39158,                              2.39158

2.4,                                  3.443875,                           2.869896

2.8,                                   4.687497,                          3.348212

3.2,                                   6.122445,                           3.826528

3.6,                                   7.748719,                             4.304844

Chemical bonds form when (A)atoms share a nucleus. (B)atoms share protons. (C)atoms share neutrons. (D)atoms share electrons.

Answers

Answer:

d) atoms share electrons

Explanation:

Atoms with relatively similar electronegativities share electrons between them and are connected by covalent bond. Atoms with large differences in the electronicnegativity transfer electron's to form ions. The ions are then attracted to each other.

Answer:

D.

Explanation:

edge

For a particular type of motion, the velocity is zero but the speed is a nonzero quantity. Which statement can you make about this motion

Answers

Answer:

because speed is the modulus of velocity which is a vector

the velocity to be zero it must be a round trip

Explanation:

This is because speed is the modulus of velocity which is a vector.

For the velocity to be zero it must be a round trip, therefore the resulting vector zero

On the other hand, the speed of the module is the same in both directions

How does work affect energy between objects so it can cause a change in the form of energy? Work transfers energy. Work changes energy. Work increases energy. Work decreases energy.

Answers

Answer:

Work can transfer energy between objects and cause a change in the amount of total energy. Work can transfer energy between objects and cause a change in the form of energy. ... When a spring is compressed, the energy changes from kinetic to potential.

Answer:

I think its either A or B

Explanation:

A driver sees a boy and his dog in the road, and it takes the driver 0.50 seconds to put on the brakes. If the car travels 14 meters during that time, what is its velocity?

Answers

Answer:

The answer would be 91.9 or 91.8635

Hope this helps

A driver sees a boy and his dog on the road, and it takes the driver 0.50 seconds to put on the brakes, If the car travels 14 meters during that time, the velocity of the car would have been 56 m/s,

What are the three equations of motion?

There are three equations of motion given by  Newton

The first equation is given as follows

v = u + at

the second equation is given as follows

S = ut + 1/2×a×t²

the third equation is given as follows

v² - u² = 2×a×s

As given in the problem a driver sees a boy and his dog on the road, and it takes the driver 0.50 seconds to put on the brakes, If the car travels 14 meters during that time,

t = 0.5 s , s = 14 m

By using the first equation of the motion,

v = u+at

0 = u+a×0.5

a = -2u m/s²

Now by using the second equation of motion,

s = ut+1/2at²

By substituting t=0.5 and a = -2u m/s² in the equation ,

14 = u/2-u/4 = u/4

u = 56 m/s

Thus, the velocity of the car would have been 56 m/s,

Learn more about equations of motion from here,

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If there is no dropped ceiling, or if the drop is not as much as the height of the recessed luminaires, you will find that the center-to-center spacing of recessed luminaires will have to be in increments of ____________________ ft.

Answers

Answer:

The answer is "4".

Explanation:

The luminaire would be recessed inside a wall, so that, dependent on the surface mountings, its top-level is flush with the ceiling. It is the hanging under the primary structural, in which the drop was an area of the above falling ceiling, that referred to its full space, because it will be generally used for the HVAC air return and the total space is also used to obfuscate piping, cabling, and ducts, that's why the middle-to-middle spacing of curved lighting systems would have to be in incremental increases of 4 ft.

How fast is a skateboarder traveling if she travels 2 miles in 4 hours?​

Answers

This question is asking for the speed of the skateboarder. speed= distance/time. In this question we will do 2/4 in order to get a speed of 0.5 mph.

9. An efficient LED light bulb uses energy at a rate of 7 watts or 7 J/second. What
total amount of electrical energy is used if the light is on for 2 hours?

Answers

Answer: 50,400 J

Explanation:

Light of wavelength 500 nm illuminates a round 0.50-mm-diameter hole. A screen is placed 6.0 m past the slit. What is the width of the central bright circle on the screen

Answers

Answer:

14.64*10^-3 m

Explanation:

given that

Length of the wavelength, λ = 500*10^-9 m

Diameter of the hole, D = 0.5 mm

length of the slit, L = 6 m

W = 2.44 λL / D, where

W = width of the screen in m

λ = wavelength of the light in nm

L = length of the slit in m

D = diameter of the hole in m

on substituting the values, we have

W = (2.44 * 500*10^-9 * 6) / 0.5*10^-3

W = 7.32*10^-6 / 0.5*10^-3

W = 0.01464 mm

or also, 14.64*10^-3 m

A hollow steel shaft is to transmit 4200 n.m of torque and is to be sized so that the torsional stress does not exceed 120 mpa

Answers

A hollow steel shaft is to transmit 4200 n.m of torque and is to be sized so that the torsional stress does not exceed 120 Mpa

If the inside diameter is 70 percent of the outside diameter, what size shaft should be used?

Answer:

the preferred outer diameter  of the hollow steel shaft obtained a little bit higher than 61.67 mm is 80 mm

the preferred inner diameter of the hollow steel obtained a little bit lower than 56 mm is 50 mm

Explanation:

From above;

let the inside diameter be [tex]d_i[/tex]

let the outside diameter be [tex]d_o[/tex]

Then

[tex]d_i[/tex] = 70%  [tex]d_o[/tex]

[tex]\dfrac{d_i}{d_o} = \dfrac{70}{100}[/tex]    

[tex]\dfrac{d_i}{d_o} =0.7[/tex]   ------ (1)

to determine the outer diameter of the hollow steel shaft by using the equation of the torque, we have:

[tex]T = \dfrac{\pi}{16} \times \tau \times d_o^3 ( 1 - (\dfrac{d_i}{d_o})^4)[/tex]

where;

[tex]\tau[/tex] = torsoinal shear stress = 120 MPa

[tex]4200= \dfrac{\pi}{16} \times 120\times 10^6 \times d_o^3 ( 1 - 0.7)^4)[/tex]

[tex]4200= 0.19635 \times 120\times 10^6 \times d_o^3 (0.7599)[/tex]

[tex]4200=17904763.8 \ d_o^3[/tex]

[tex]d_o^3 = \dfrac{4200}{17904763.8}[/tex]

[tex]d_o^3 = 2.3457 \times 10^{-4}[/tex]

[tex]d_o =\sqrt[3]{2.3457 \times 10^{-4}}[/tex]

[tex]d_o =0.06167 \ m[/tex]

[tex]d_o =0.06167 \ m \times (\dfrac{1000 \ mm}{1 \ m})[/tex]

[tex]d_o =61.67 \ mm[/tex]

From the tables of A-17 of sized and Renard Numbers,

the preferred outer diameter  of the hollow steel shaft obtained a little bit higher than 61.67 mm is 80 mm

However, from equation (1)

[tex]\dfrac{d_i}{d_o} =0.7[/tex]   ------ (1)

replacing the value of [tex]d_o[/tex]

[tex]\dfrac{d_i}{80} =0.7[/tex]

[tex]d_i = 80 \times 0.7[/tex]

[tex]d_i = 56 \ mm[/tex]

From the tables of A-17 of sized and Renard Numbers,

the preferred inner diameter of the hollow steel obtained a little bit lower than 56 mm is 50 mm

34. A chain of hamburger restaurants advertises that it
has sold more than 50 billion hamburgers over the
years. Estimate how many pounds of hamburger
meat must have been used by the restaurant chain
to make 50 billion hamburgers and how many head
of cattle were required to furnish the meat for these
hamburgers.

Answers

Answer:

"12.50 × 10⁹" pounds of hamburger. The further explanation is given below.

Explanation:

Sold hamburger

=  more than 50 billion

To get pounds of hamburger,

=  [tex]50 \ billion\times 0.125 \ lbs[/tex]

=  [tex]12.50 \ billion \ pounds[/tex]

=  [tex]12.50\times 10^9 \ lb[/tex]

On divide pounds of hamburgers by pounds of burger meat through one head of cattle, we get

⇒  [tex]\frac{12.5 \ billion}{350}[/tex]

⇒  [tex]35714285 \ cattle[/tex]

Calculate the peak voltage of a generator that rotates its 200-turn, 0.100 m diameter coil at 3600 rpm in a 0.800 T field.

Answers

Answer:

The peak voltage is 473.86 V

Explanation:

Given;

number of turns of generator, N = 200  turn

diameter of the coil, d = 0.1 m

radius of the coil, r = 0.05 m

Magnitude of the magnetic field, B = 0.8 T

angular frequency, ω = 3600 rpm

angular frequency, ω (rad/s) = [tex]\frac{2\pi}{60} *3600\ rpm = 377.04 \ rad/s[/tex]

The peak voltage is given by;

E = NBAω

Where;

A is the area of the coil = πr² =  π (0.05)² = 7.855 x 10⁻³ m²

E = (200)(0.8)(7.855 x 10⁻³)(377.04)

E = 473.86 V

Therefore, the peak voltage is 473.86 V

Duas cargas elétricas Q¹= 15.10-seis ao quadrado C e Q² = 150.10-seis ao quadrado, estão separadas por uma distância de 0,1m, no vácuo. Determine a intensidade da força elétrica de repulsão existente entre as cargas. Dá uma força ae clã!

Answers

Answer:

The electric field intensity of electric force is [tex]1.35\times10^{7}\ N/C[/tex]

Explanation:

Given that,

First charge [tex]q_{1}=15\times10^{-6}\ C[/tex]

Second charge [tex]q_{2}=150\times10^{-6}\ C[/tex]

Distance = 0.1 m

We need to calculate the electric field intensity of electric force

Using formula of intensity of electric force

[tex]E=\dfrac{F}{q_{2}}[/tex]

[tex]E=\dfrac{kq_{1}}{r^2}[/tex]

Put the value into the formula

[tex]E=\dfrac{9\times10^{9}\times15\times10^{-6}}{(0.1)^2}[/tex]

[tex]E=13500000\ N/C[/tex]

[tex]E=1.35\times10^{7}\ N/C[/tex]

Hence, The electric field intensity of electric force is [tex]1.35\times10^{7}\ N/C[/tex]

Which kinds of objects emit visible light in the electromagnetic spectrum?

Answers

answer :

Visible: Our eyes detect visible light. Fireflies, light bulbs, and stars all emit visible light. Ultraviolet: Ultraviolet radiation is emitted by the Sun and are the reason skin tans and burns. "Hot" objects in space emit UV radiation as well.

Which objects emit electromagnetic waves?

All objects emit electromagnetic radiation according to their temperature. Colder objects emit waves with very low frequency (such as radio or microwaves), while hot objects emit visible light or even ultraviolet and higher frequencies.

Other Questions
All of the following are factors that affect population growth rate except:immigration climatebirth death HELP PLEASE The value of a stock can be modeled by this equation. V = 23n + 42; where V is the value, in dollars, and n represents the number of months since purchase. Which statements correctly interpret the slope of the line? A. The slope of the line is 42. This means that the value of the stock increases $42 for each additional month since purchase. B. The slope of the line is 42. This means that the initial value of the stock was $42. C. The slope of the line is 23. This means that the initial value of the stock was $23. D. The slope of the line is 23. This means that the value of the stock increases $23 for each additional month since purchase. There are 15 gummy bears. If they are evenly divided between 7 people, how many gummy bears does each person get? Choose the correct answer from the choices below. Woodworking is a wonderful hobby for children and young adults to pursue as an after-school activity. One of the advantages of woodworking is that it allows people to create items than can last for a very long time. However, this hobby does call for parental supervision. Fourteen-year-old Steve Gomez has been working on woodworking projects since he was ten years old, and he is now junior president of the local Woodworking Association. Steve has created many beautiful pieces out of wood, and the local craft center has exhibited some of them. In fact, many of his pieces have also been sold for charity. Woodworking has helped Steve believe in himself. He is a good example of teenagers getting involved in a constructive and lucrative hobby. Some of his friends have also taken up this craft as a hobby after observing its positive effect on Gomez. Select the correct answer. Which audience would most likely find this passage interesting? A. parents interested in exploring outdoor activities B. art and craft organizations C. teenagers interested in pursuing interior design D. people interested in woodworking Trial 1: Get a textbook and put a sheet of paper on top of it. Fold the paper as needed to keep the paper from sticking over the edge of the book.Hold the textbook with the paper on top, horizontally about waist high.Drop the book and paper so that they hit the floor flat. Record your observations.Trial 2: With the book in one hand and the paper in the other, drop the book and paper simultaneously from the same height. Record your observations. PLEASE help me solve this problem List the mood and falling action of 'The Nest' by Violet Sorzano. What is the solution set of the following equation? 4\5^2= 2x- 4\5 83,997 to the nearst tenth Select the sentence that does not contain an error: (3 points) The pool full of people were cool and blue. The pool full of people are cool and blue. The pool full of people was cool and blue. The pools full of people was cool and blue. While in Europe, if you drive 109 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car's gas mileage is 22.0 mi/gal ? Assume that 1euro=1.26dollars. Consider the geometric sequence 1/64, 1/16, 1/4, 1, . What is the common ratio? The manager of a crew that installs carpeting has tracked the crew's output over the past several weeks, obtaining these figures: In what way was the ziggurat a means of reinforcing the government's legitimacy? What is the slope of the line with equation y = - 3x + 4 What are three kinds of work people did in the North? Find the Area of a square with length(x + 7) and width (x + 7) Please hurry 12 people fit comfortably in a 5 by 5 feet area. Use this value to estimate the size of a crowd that is 10 feet deep on ONE side of the street along a 1 mile section of a parade route. 25344 people 25344 people 52800 people 52800 people 110000 people 110000 people 20 people 20 people Lee el prrafo y escoge el verbo en negrita que est en la forma incorrecta (pretrito o imperfecto). Escoge la opcin con la forma correcta del verbo en el pasado. Read the paragraph and choose which verb of the bolded verbs is in the incorrect past tense form (preterit or imperfect). Choose the option with the correct form of the verb in the past.Antes yo no saba nada sobre las personas hispanas en los Estados Unidos, pero el verano pasado viaj a Nueva York y aprend mucho. Durante mi visita, pude visitar la biblioteca hispana donde le sobre personas extraordinarias. El ltimo da, un gua turstico me dijo que la cantante con herencia ecuatoriana, Christina Aguilera, tambin es de Nueva York. El 22 de octubre de 2012, ella cantaba por tres horas en una ceremonia para las vctimas del huracn Sandy. Gracias a este viaje, supe que Nueva York y los Estados Unidos son mejores gracias a las contribuciones de la gente hispana. (1 point)cantsupedecaaprenda An integral part of democracy is, by definition, citizen participation. Comment on the following statement:Without active participation by most of its citizens, a democracy is a failure.Suggest ways citizens can be active participants, and discuss reasons why some citizens may not participate. [MO1.4]