You are gathering data about factor Y and factor X. A graph of your results in a straight line. What does this tell you about the relationship between y and x? What would the slope of this line represent? Explain your answers in terms of y and x

Answer:

1. some ways I might first observe gravity are... when I first arrive on earth I will see everything staying in one place on the ground and nothing will be floating

everywhere.

2. I might test gravitional force by jumping and seeing how fast I come down or by taking something and dropping it from above my head to the ground to see that it falls and doesn't float.

3.I woukd describe gravity to other aliens back at my home planet by #1 telling them that nothing floats, everything touches the ground and if u drop something from high above you will instantly/immediately fall back down to the ground.

You can say exactly this if you want bc I answered like how if u were gonna answer the question so your welcome

Answer:

1. some ways I might first observe gravity are... when I first arrive on earth I will see everything staying in one place on the ground and nothing will be floating

everywhere.

2. I might test gravitional force by jumping and seeing how fast I come down or by taking something and dropping it from above my head to the ground to see that it falls and doesn't float.

3.I woukd describe gravity to other aliens back at my home planet by #1 telling them that nothing floats, everything touches the ground and if u drop something from high above you will instantly/immediately fall back down to the ground.

Explanation:

In respiratory system, Airflow from the lungs becomes obstructed due to chronic inflammatory lung disease called chronic obstructive pulmonary disease (COPD).

Respiratory system :

The network of organs and tissues that aids in breathing is known as the respiratory system.

The most common respiratory diseases are :

Problem causes respiratory system are  :

Precautions of respiratory system diseases :

In respiratory system, Airflow from the lungs becomes obstructed due to chronic inflammatory lung disease called chronic obstructive pulmonary disease (COPD).

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elections are shared, molecules are produced, the correct answer is option

C.  A covalent compound

What is covalent compound?

Covalent compounds are composed of atoms that are linked via covalent bonds i.e. bonds formed by mutual sharing of electrons. This is in complete contrast to ionic compounds which are held together by ionic bonds, i.e. bonds formed by complete transfer of electrons from one atom to the other.

In the given examples we have:

Barium nitrate: Ba(NO3)2 - Ionic

Dinitrogen tetroxide: N2O4- Covalent

Strong intramolecular linkages characterise covalent substances. This is due to the atoms within covalent molecules being very securely bound together. Each molecule is certainly distinct, and the attraction between individual molecules in a covalent complex is typically modest.

To split the molecules, we simply require a minimal amount of energy. This is owing to the molecules' attraction forces as well as a lack of total electric charge. Covalent compounds are typically gaseous molecules at ambient temperature and pressure. They could be liquids with extremely low boiling points.

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The magnitude of the gravitational force 0f two solid sphere of radius R is 81F₁ newton.

Gravitational force :

Any two bodies' mutual attraction is directly proportional to the sum of their masses and inversely proportional to the square of their separation.

Force is given as :

F₁ =  (G x m x m )/ (2r)²

To calculate gravitational force :

F₂ = G  x  [27m x 27m]/ [6r]²

F₂ = (G x27)² m² / 36r²

F₂ = (81 G  x m²) / 4r²

F₂ = 81F₁

The magnitude of the gravitational force of two solid sphere of radius R is 81F₁ newton.

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A. The time taken for the car to reach the ground is 5.17 s

B. The velocity with which the car will hit the ground is 50.666 m/s

A. How do I determine the time taken for the car to reach the ground?

We can simply obtain the time taken for the car to reach the ground as illustrated below:

h = ½gt²

131 = ½ × 9.8 × t²

131 = 4.9 × t²

Divide both side by 4.9

t² = 131 / 4.9

Take the square root of both side

t = √(131/ 4.9)

t = 5.17 s

Thus, the time taken is 5.17 s

B. How do I determine the velocity with which the car will hit the ground?

The velocity with which the car will hit the ground can be obtained as follow:

v = u + gt

v = 0 + (9.8 × 5.17)

v = 0 + 50.666

v = 50.666 m/s

Thus, the velocity is 50.666 m/s

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The input force on the lever of mechanical advantage 9.5, in order for it to lift a rock of 445 N is 46.84 N.

Force can be defined as the product of mass and acceleration.

To calculate the input force on the lever, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the input force on the lever is 46.84 N.

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In this case Behavioral therapy  is being used.

A broad phrase used to describe several forms of therapy used to address mental health conditions is behavioural therapy.

This type of treatment aims to recognize and assist in changing potentially harmful or unhealthy behaviors. It is predicated on the notion that all behaviors are taught and that they are modifiable. Treatment frequently focuses on current issues and solutions.

When staff members at the mental health center do not respond to patients who use threats, but praise patients who are polite, they try to teach politeness and other good behavior by using  Behavioral therapy.

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Answer:

It could be 45 if the vectors are parallel.

It could be 5 if the vectors are antiparallel.

It could be between 5 and 45 for any other arrangement of these two vectors.

Suppose they are at right angles to another then the sum is

(20^2 + 25^2)^1/2 = 32

Answer:

Checklist 1: What to Bring...Your Rocket Launch Pad & Ignition System Rocket MotorsIgnitersRecovery WaddingAltitude Tracker Your Field Box Also, it would be a good idea for the group to bring A folding card table or picnic table for rocket prep Trash Bags: try to leave your launch field cleaner than you found it. First Aid Kit: be prepared. A fly or tarp set up as a lean-to to protect the rocket prep area from the wind and/or sun. 

Mechanical wave is a kind of wave is a wave on the electromagnetic spectrum.

Electromagnetic (EM) waves are cross waves. Their vibrations or oscillations are swapped in electrical and magnetic fields at right angles to the direction of wave travel. The radiation is explained by the amount of energy found in the photons. Radio waves have photons with low energies, and microwave photons ..Electromagnetic waves with smaller wavelengths and higher frequencies include ultraviolet light, X-rays, and gamma rays. Electromagnetic waves with longer kinds of Electromagnetic Waves. Radio Waves have the longest wavelengths of all electromagnetic waves.

So we can conclude that the different types of waves are mechanical and electromagnetic waves. Mechanical waves are divided into transverse and longitudinal waves.

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The buoyant force acts on the cube of wood with a density of 0.780 g/[tex]cm^3[/tex]  And 10.0 cm on each side is 7.644 Newton.

The density is the mass of a material substance per unit volume. d = M/V, where d is density, M is mass, and V is volume, is the formula for density. Grams per cubic centimeter are a typical unit of measurement for density.

As an illustration, the density of Earth is 5.51 grams per cubic centimeter, whereas the density of water is 1 gram per cubic centimeter.

Given:

The density of wood, ρ = 0.780 g/[tex]cm^3[/tex],

The Side of wood, a = 10 cm,

Calculate the buoyant force by the following formula,

F = - ρ * g * V,

Here, F is the buoyant force.

Substitute the values,

F = - 0.780 * 9.8 * [tex]10^3[/tex] * [tex]10^{-3}[/tex]

F = 7.644 Newton

Therefore, the buoyant force acts on the cube of wood with a density of 0.780 g/[tex]cm^3[/tex] is 10.0 cm on each side is 7.644 Newton.

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Answer:

0.8m/s²

Explanation:

we know,

v² = u² + 2as

here v is final velocity, u is initial velocity, a is acceleration & s is distance travelled.

8² = 0² + 2*a*40

⇒ 64 = 80a

⇒a = 64/80 = 0.8m/s²

Gravitational Potential Energy , Kinetic Energy and velocity of panther just before hitting the ground will be 790.41599 J , 990.41599 J , 5.6523m/s respectively.

Mass is 62 kg with a height 1.3m .

Gravitational Potential Energy means product of mass , gravitational acceleration and height . Mathematically, GPE= mgh

GPE= 62 x 1.3 x 9.8

= 790.41599 J

Energy lost = Final energy- GPE

Final Energy Δ =  790.41599 J + 200 J

=990.41599 J

To find Velocity of panther just before hitting the ground V:-

Δ⇒mV²/2

990.41599 J= 62 V²/2

V²= {990.41599 x 2}/62

= 31.9489029

V=5.6523m/s

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Determine if the base of a light bulb is a pin type, which has two points of contact on the base, or a screw type, which has threads all the way around the base.

What is a thread in a screw?

A screw thread, which is sometimes abbreviated as "thread," is a helical structure that converts rotational and linear force or movement. A screw thread is a ridge that is helix-shaped and wrapped around a cylinder or cone; the former is known as a straight thread and the latter as a tapered thread. The screw's thread is its most important component both as a basic machine and as a threaded fastener. The lead, or the linear distance the screw travels in one rotation, determines the mechanical advantage of a screw thread. The lead of a screw thread is often selected such that there is enough friction to prevent the conversion of linear motion to rotational, preventing the screw from slipping.

Determine if the base of a light bulb is a pin type, which has two points of contact on the base, or a screw type, which has threads all the way around the base. You can refer to the letter-number references (E12, E17, and E26) for a fuller explanation of light bulb base sizes to better comprehend a particular bulb's style and size. The first letter denotes the base's shape or form, while the number denotes the base's breadth (normally in millimeters).

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The current state of research offers some evidence that life events can cause changes in personality traits and that various life events may connect differently to various trait domains.

What is anecdote?

A brief narrative or account abou life events changet a person or event that is typically humorous, instructive, entertaining, or biographical in nature is known as an anecdote.

How do life events change your personality?

These ideas contend that because life events alter, interrupt, or reroute people's habits of thought, feeling, and action, they have long-lasting consequences on personality traits.

Hence is a changes in personality traits a correct answer.

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What happens when a negatively charged object A is brought near a neutral object B is that: B. Object B gets a positive charge.

According to the law of electrostatic forces, unlike charges attract each other while like charges repel one another.

This ultimately implies that, objects that are having the same charges (like charges) would repel one another, and this causes a transfer of electrons (charges) to any differently charged object which comes in contact with it, through a process known as conduction.

In this context, we can reasonably and logically deduce that the negative charge of object A would induce an opposite charge (positive) on object B when a negatively charged object A is brought near a neutral object B.

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25  m/s² is the object's acceleration

m1a1=m2a2

m1=5kg

m2=3 kg

a1= 15 m/s²

a2=?

m1a1=m2a2

a2=m1a1/m2

a2=5×15÷3

a2= 25  m/s²

Acceleration is a vector variable that describes the rate at which an object changes its velocity.

An object is said to be accelerating if its velocity is changing. Occasionally, a moving object can change its velocity by the same amount each second. a moving object whose speed fluctuates by 10 m/s every second. This is referred to as a constant acceleration since the velocity is changing by a fixed amount each second.

The difference between an object with a constant acceleration and one with a constant velocity must be understood. Do not be fooled! If an object's velocity changes, whether it does so by a constant amount or a variable amount, then it is accelerating. Furthermore, something that is travelling at a steady speed is not accelerating.

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Answer:

Explanation:

Polar form​:

ρ = A =  50

φ = - 45°;  φ = - π / 4

r = ρ·cos φ

r = 50·cos (- π / 4)

E/2 is the kinetic energy of the system thereafter.

[tex][KE_f=m2E/m/4],[=E/2][/tex]

The energy an item has as a result of motion is known as kinetic energy. An object's kinetic energy will remain constant as long as it is travelling at the same speed. The velocity and mass of an item are used to compute its kinetic energy. The kinetic energy may be significantly impacted by the square of the velocity, as seen in the equation.

The joule is the accepted measurement for kinetic energy (J). The joule serves as the universal unit of energy. While potential energy is caused by an object's location or condition, kinetic energy is caused by an object's motion. The velocity of an item plays a significant role in determining its kinetic energy.

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Answer: The most widely accepted method of determining the posted speed limit is to set the speed limit at what is called the “85th percentile speed”, which is the speed at or below which 85 percent of the traffic is moving.

Explanation:

a) The energy that is stored in a rubber band is the elastic potential energy

b) The potential energy of the magnets increases as work is done to separate the opposite poles.

We define the potential energy as the energy that is possessed by a body that is at rest. In other words, it is an energy that is possessed by a body that is not in motion. It is a result of the position of a body.

However, the potential energy can be released to do work when there is need. In this case, we have two different cases where the potential energy that have been stored in a body is released to do work.

a) In this case, the potential energy that is stored in the rubber band is the elastic potential energy. When we stretch the rubber band, this energy is now available to do work.

b) The potential energy of the magnets is said to increase when we pull them apart because more work is done to separate the opposite poles of the magnet. The energy comes from the separation of the poles of the magnets.

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The speed of the water through the pipe is 4.96 m/s

Since a large water tank is completely filled with water. The tank is 3.0 m high and its surface is open. If a small hole is made on one side of the tank at a height of 0.8 m, to find the speed with which the water comes out of the pipe, we use Bernoulli's equation

Bernoulli's equation governs flows through pipes. It is given by

P₁ + ρgh₁ + 1/2ρv₁² = P₂ + ρgh₂ + 1/2ρv₂² where

Given that

So, susbstituting the values of the variables into the equation, we have

P₁ + ρgh₁ + 1/2ρv₁² = P₂ + ρgh₂ + 1/2ρv₂²

1.013 × 10⁵ Pa + 1000 kg/m³ × 9.8 m/s² × 3 m + 1/2 × 1000 kg/m³ × (0 m/s)² = 0 + 1000 kg/m³ × 9.8 m/s² × 0.8 m + 1/2 × 1000 kg/m³ × v₂²

1.013 × 10⁵ Pa + 29400kg/ms² + 0 = 0 Pa + 7840kg/ms² + 5000v²

130700 Pa = 7840kg/ms² + (5000 kg/m³)v²

130700 Pa - 7840 Pa = (5000 kg/m³)v²

122860 Pa = (5000 kg/m³)v²

Making v subject of the formula, we have

v = √(122860 Pa/5000 kg/m³)

= √(130.7/5 Pam³/kg)

= √(24.572 Pam³/kg)

= 4.96 m/s

So, the speed of the water through the pipe is 4.96 m/s

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Answer: 100km/h

Explanation: This is because the road isn't moving. If you drew the roads velocity and the bus velocity you would find a 100km/h difference. Thus an object inside the bus would experience the same differential.

Answer:

hjcyysjjJjxjcmxmmsxjvemmzxjdndmenbxhfnhcjdnuxjd

a) the magnitude of the acceleration of the block is a = 1.633m/s².

b) time to reach the end by the block is t = 1.1867s.

c) mass of mA if the acceleration of the system is 1/100g is mA = 99kg

a) Given,

mA = 15kg

mB = 3kg

The formula for the Tension in the cord, T =mAmBg / (mA + mB)

T = 45*9.8/18

T =24.5N

In the case of mA, we have T = mA*a

acceleration of mA, a = T/mA

a = 24.5 / 15

a = 1.633m/s²

In the case of mB, we have mB*a = mB*g -T

a = (mB*g -T)/mB

a = (3*9.8 - 24.5) /3

a = 1.633m/s²

b) Initial velocity of mA, u = 0

The distance traveled by mA, s = 1.15m

We have,

s = ut + 1/2at²

t = √(2s/a)

t = 1.1867s

c) mB = 1kg

The acceleration of the system, a = g/100

The acceleration of the system is given by the formula, a = mB*g/ (mA + mB)

mA = [mB*g/a] - mB

mA = [1*9.8*100/9.8] -1

mA = 99kg

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Answer:

C: forces are equal but opposite in direction

Explanation:

If both objects are moving you know this is an elastic collision and therefore the bus and car will travel in opposite directions after the collision with equivalent forces.

if a car collides with a moving bus, the type of relationship exists between the force of the car and the force of the bus is  the forces are equal but opposite in direction.

Force can be defined as pushing or pulling of any object resulting from the object’s interaction or movement, without force the objects can not be moved, can be stopped or change the direction.

Force is a  quantitative interaction between two physical bodies, means an object and its environment, there are different types of forces in nature.

If an object in its moving state will be either static or motion, the position of the object will only be changed if it is pushed or pulled and The external push or pull upon the object called as Force.

The contact force types  are the force that occurs when we apply some effort on an object such as Spring Force, Applied Force, Air Resistance Force, Normal Force, Tension Force, Frictional Force

Non-Contact forces are another type of forces occur from a distance  such as Electromagnetic Force, Gravitational Force, Nuclear Force

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Answer:

Explanation:

H = V² / (2·g)

H = 12² / (2·9.8) ≈ 7,3 m

Answer:

By conservation of energy,

Kinetic energy of launched rocket = change in potential energy of rocket at maximum height.

→ Ig h is maximum height reached:

Answer:

Explanation:

Given:

R = 5 000 km = 5*10⁶ m

g = 6.05 m/s²

G = 6.67·10⁻¹¹ m³/(kg*c²)

______________

M - ?

V - ?

(i)

g = G·M /R²

M = g·R² / G = 6.05·(5·10⁶)² / 6.67·10⁻¹¹ ≈ 2.27·10²⁴ kg·

(ii)

V = √ (g·R) = √ (6.05·5*10⁶) ≈ 5 500 m/s  = 5.5 km/s