Maya tried to hit four golf balls into a hole marked with a flag. The diagram shows where the golf balls landed.

Answer:

d

Explanation:

i took that test

In the area 1, 2, and 3 on the image does the salinity of the ocean increase. Option D is correct.

Seawater is salty due to a variety of substances. The majority of them arrive via rivers, which bring chemicals dissolved from rock and soil. The most common is sodium chloride, also known as salt.

Salinity makes water colder and denser by lowering its temperature. The chilly water sinks to the ocean's depths. Slow currents carry it throughout the marine basins.

So the events that may occur when ocean salinity increases will be;

1)The mass of water increases.

2) Freezing point of water decreases.

3) buoyancy of objects in the water increases.

In the area 1, 2, and 3 on the image does the salinity of the ocean increase.

Hence, option D is correct.

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Rearrange the equation so that the unknown variable is by itself on one side of the equals sign (=) and all the other variables are on the other side. RULE #1: you can add, subtract, multiply and divide by anything, as long as you do the same thing to both sides of the equals sign.

Answer: Open system

According to thermodynamics, if a system exchanges matter and energy with its environment it is an open system. For example, human beings and animals can be considered as open systems, since we take chemical energy in the form of food and perform work on our surrounding environment when moving and doing activities.

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Final answer:

A truck with greater mass has more inertia and needs more force to achieve the same acceleration as a lighter truck. A heavier truck does not have less inertia, nor can it be 100 percent efficient in terms of energy use.

Explanation:

Based on Newton's laws of motion, particularly the second law which states that force equals mass times acceleration (F = ma), it is clear that an object with more mass will have more inertia. Inertia is the resistance of any physical object to any change in its velocity. A truck with more mass than another will inherently have more inertia, not less, because inertia is directly proportional to mass.

Because of this direct proportionality, a truck with more mass will also need more force to move or accelerate at the same rate as a lighter truck. This is also why heavier objects accelerate slower than lighter ones when the same force is applied. Regarding efficiency, no machine or vehicle, including trucks, can be 100 percent efficient due to the second law of thermodynamics, which says that some energy is always lost in the form of heat or other non-usable forms during energy transfers.

Answer:

the remote

Explanation:

Answer:

the couch you are sitting on

Explanation:

The total effective resistance of several resistors in SERIES is just the sum of all the individual resistances.

So the effective resistance of ten 120-ohm resistors in series is

(120 + 120 + 120 + 120 + 120 + 120 + 120 + 120 + 120 + 120) .

A much easier way to write it is . . . (10) x (120) .

Total effective resistance = 1,200 ohms .

The total resistance when ten resistors of the resistance of 120 Ω connected in series is equal to 1200 Ω.

In a series combination of resistors, the resistors are connected end-to-end. Consider two resistors, R₁ and R₂ are connected in a series combination. If two resistors are connected in series, then their effective resistance will be given by:

Total Resistance, R =  R₁ + R₂

In a series connection of resistors, the current will flow through one resistor and then through another resistor. The same current flows through every resistor in one direction. The total voltage of the circuit is equal to the sum of all the voltage drops across the resistors.

Given the resistance of each resistor = 120 Ω

The number of resistors = 10

Total resistance, R = R₁ + R₂ + R₃ + R₄ +R₅+ R₆ +R₇+R ₈ +R₉+ R₁₀

R = 10 ×120

R = 1200 Ω  

Therefore, the total resistance of 10 given resistors is 1200 Ω.

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Answer:

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is 0.10  m.

When the speed of the bottle is 3 m/s, the average maximum height of the beanbag is 0.43  m.

When the speed of the bottle is 4 m/s, the average maximum height of the beanbag is  0.87 m.

When the speed of the bottle is 5 m/s, the average maximum height of the beanbag is  1.25 m.

When the speed of the bottle is 6 m/s, the average maximum height of the beanbag is  1.86 m.

Sorry for not answering early on! If anyone in the future needs help, I got these answers from 2020 egenuity, though I can't post the picture for proof. Stay Safe!

Answer:

a government sector

Explanation:

Among the given, the sector which ic not a part of the circular flow model of the economy is government sector. The flow includes the business sector, markets and households.

The circular flow model shows the movement of money in society. Money is sent back and forth between producers and employees in the form of wages and payments for goods. An economy is essentially an unending circle of money flow.

The model is constructed in this manner, but actual cash flows are more intricate. To more accurately represent the complex modern economies, economists have included extra variables.

Understanding the flow of money throughout an economy is the fundamental goal of the circular flow model. It divides the economy's major stakeholders into two groups: families and companies.

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A piece of blue paper appears blue because the paper absorbs all colors of light except blue. (b)

So any light that bounces off of the paper and enters your eye must be blue light !

A piece of blue paper appears blue because the paper b. absorbs all colors of light except blue

The absorption of light makes an object dark or opaque to the wavelengths or colors of the incoming wave

When an object receives light, it absorbs some wavelengths and reflects others. The ones it reflects are the ones we see as color hence , correct answer will be  b. absorbs all colors of light except blue

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The mileage of the car how fast it is going

The speedometer in your car reads 55 mi/h. This represents the Instantaneous speed of the car.

Explanation:

Speed is a measurement of distance and time. Speedometers have been installed in vehicles to indicate the speed at which the driver drives the vehicles and control is also been used in few vehicles for the safety of the passengers like in school buses. When the car reads a reading in the speedometer, it denotes the instant speed of the car rather than the average speed.

Answer:

Graph

Explanation:

I already answered this question

Answer: graph

Explanation:

Answer:

7.0 s, 69 m/s

Explanation:

If we take down to be positive, then the time to reach the ground is:

x = x₀ + v₀ t + ½ at²

240 m = (0 m) + (0 m/s) t + ½ (9.8 m/s²) t²

t = 7.0 seconds

The final velocity is:

v² = v₀² + 2a(x - x₀)

v² = (0 m/s)² + 2(9.8 m/s²) (240 m - 0 m)

v = 69 m/s

Answer:Another name for heat energy is... Infrared waves. These cannot be seen by your eyes but can be felt by your skin. ... Gamma Rays. ... Which type of electromagnetic radiation can result in sunburns and skin cancer? Ultraviolet Radiation ... X Rays. What is the distance between one point of a wave to the same point in the ...

Answer:

INFRARED

Explanation:

I TOOK THE TEST

~ K12 STUDENT

8TH GRADE

GOOD LUCKK!! :)

Answer:

I believe it is C. Their Temps.

Explanation:

Hope my answer has helped you!

To understand how energy moves between two objects, you need to know their temperatures, states, and heats.

In order to determine how energy will move between two objects, you need to know their temperatures, states, and heats. Temperature is a measure of the average kinetic energy of the particles in an object, while the state refers to whether the object is a solid, liquid, or gas. Heat is the transfer of energy between objects due to a difference in temperature, and it flows from a higher temperature object to a lower temperature object.

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Answer:

A Hypothesis, and a control variable.

Explanation:

Ball thrown into the air at an angle.

Answer:

I think it i either the 1st one with all the arrows pointing to the ball because it has some speed so it is going fast horizontally 2) the ball has to stay on the ground so that's where the gravitational pull comes in (the arrow pointing down and pointing up). 3) when the ball is moving horizontally  the air which is pushing the ball from the left pushes it back a little hence slowing it a little.

Explanation:

This is my guess anyways, feel free to choose this answer my second opinon was the second one which is the one with the arrow pointing down and arrow pointing right and left ( the one which says movement of the ball )

Answer:

Option A)

Explanation:

Here we know that ball is moving horizontally so the force on the ball perpendicular to the plane must be balanced

We can say that gravitational force "mg" is balanced by the normal force due to ground. Which shows that two equal and opposite arrows must be there on ball in vertical direction.

Now in horizontal direction there may be unbalanced force in two directions.

One of the force may be due to air drag and friction on the ground. While other force is due to some external agent.

So here correct answer is represented by first figure or we can say it is given by

Option A)

Answer:

Graph B.

Explanation:

it is a wave, they are fun to watch

The total amount of energy in a closed system must stay constant.

Answer:

The system's energy can not be created, or destroyed. It's transformable from one shape to another. The energy stays conserved in a closed system. It is isolated in the surrounding area.

Answer:

B. zero

Explanation:

The total mechanical energy of a spring is equal to the sum of its kinetic energy, K, and its potential energy, U:

[tex]E=K+U[/tex]

Where

[tex]K=\frac{1}{2}mv^2[/tex] is the kinetic energy, where m is the mass and v is the speed

[tex]U=\frac{1}{2}kx^2[/tex] is the potential energy, with k being the spring constant and x the displacement

The total mechanical energy is conserved during the entire motion of the spring. We have two particular situations:

- At the equilibrium position, the displacement is zero: x=0, so U=0 and the kinetic energy is maximum.

- At the position of maximum displacement (so the leftmost or rightmost position), the displacement is maximum, so U is maximum while the speed is zero (v=0), and therefore the kinetic energy is also zero: K = 0.

Therefore, the correct answer is

B. zero

Acceleration is a vector quantity because it has both magnitude and direction.

Acceleration is a vector quantity that describes how an object's velocity changes over time in both magnitude and direction. It has both magnitude and direction, making it a vector, and is measured in meters per second squared.

Acceleration is a vector quantity which means that it has both magnitude and direction. Acceleration provides information about how the motion of an object changes over time. It is always in the same direction as the change in velocity, which is also a vector. Since velocity can change in magnitude (speed) or direction, acceleration can be a change in speed, direction, or both. The SI unit for acceleration is meters per second squared (m/s²). An important aspect to note is that acceleration does not convey the actual velocity of the object; it only describes how the velocity is changing.

Answer:Tectonic Plates

Explanation:The ocean floor is part of the Earth's crust, which is made up of tectonic plates that all collide with eachother and form mountain ranges. Sometimes these ranges and valleys are under the ocean.

Answer:

B

Explanation:

P = I² R

If P is 2 watts and R is 30 ohms:

2 = I² (30)

I = √(1/15)

I ≈ 0.26 A

Answer:

B. 0.26 amps is your answer

Matter: Toothpaste, Gasoline, Bacteria, Cell

Non-matter: Happiness, Sound.

Explanation:

The substances which occupies mass or volume occupying space is known as matter. It comprises of those things that can be seen through the eyes and it may include things like water, plants, food, dresses, etc. It can be defined by color or hardness.  

The substances that are made of energy without occupying space is known as non-matter substances. It can be classified as form of some energy. Some examples include light energy from torch, heat energy from fire and sound energy form whistle, etc.

Answer:

True

Explanation:

It is possible to reduce/lessen the force that is acting on an object. For example, if you were pushing on a box and wanted to push less on the box, that would be possible.

Answer:

D. Fulcrum

Explanation:

A wedge is a simple machine. A screw is a simple machine. A lever is a simple machine but fulcrum is the pivot point in a lever.

Answer:

Reactants are initiators of a chemical reaction whereas products are substances produced as the end of that reaction.

Explanation:

In a chemical reaction, there are two categories of substances involved: reactants and products.

The reactants are those substances utilized in a chemical reaction which undergo certain changes to produce different substances at the end of the reaction known as products.

On can write a chemical equation as:

M+N→MN, where M and N are the reactants and MN is the product.

For example,

     Zn + S → ZnS

      |___|         ↓

Reactants      Products

As you can notice when writing a chemical equation, reactants are always written on left hand side of the arrow and the products on the right hand side.

I believe the answer is true

In a chemical reaction, molar mass of reactants and products are equal. So the given statement is FALSE.  

Explanation:

To form a new product, there occurs a reaction between the compounds and the elements then there will be no loss or gain in the mass.

This is the being stated in “Law of conversation of mass”. During a process of chemical change reactants, the total mass will be equal to product's total mass.  

Answer:    desk, water, helium and clouds

Explanation:

Answer:

Desk

Water

Cloud

Helium

Explanation:

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