PLEASE HELP*******
use the table to find the acceleration of the object for the time interval 1.0 to 4.0 seconds ​

Answer:

False

Explanation:

Density is a physical property of matter.

Answer:

False

Explanation:

Density is NOT a chemical property, it is a physical property.

Answer:

9.2

Explanation:

just multiply 4 miles times 2.3 then you get your answer

Answer: potential to kinetic/mechanical

Explanation:

When Brian fully stretches the bow, it stores 10 J of energy. The energy transfer that occurs as Brian stretches the bow will be from the potential energy to the kinetic energy.

According to the Law of Conservation of Energy, energy can neither be created nor destroyed, but it can be transferred from one form to another.

The total energy is the sum of all the energies present in the system. The potential energy in a system is due to its position in the system.

In the above problem, the potential energy gets converted into kinetic energy at the expense of the loss of gravitational potential energy between the two positions.

Friends are practicing archery together. The bow holds 10 J of energy when Brian stretches it to its maximum length. As Brian extends the bow, energy will go from the potential energy to the kinetic energy.

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Answer: it will take 15 minutes

Answer:

It will take the boy 136 hours 11 minutes.

Explanation:

35 × 35 = 1225km is the area of the square.

Now find how long it will take the boy:

1225 ÷ 9 = 136.11

Which is 136 hours 11 minutes.

Answer: Construction management, Architecture, Civil Drafting.

Explanation: hope this helps :)

Construction Management, Architecture and Civil Drafting are careers typically require post-secondary education other than vocational school. So, the correct options are B, C and E.

Career is defined as a person's metaphorical "journey" through learning, work and other aspects of life where there are many ways to define career and the term is used in different ways.

A career is defined as the variety of experiences that we have had throughout our lives. As we gain more experience in the world of work and life, we build careers. We take into account career paths education, training and paid or unpaid work. Construction Management, Architecture and Civil Drafting are careers typically require post-secondary education other than vocational school.

Therefore, the correct options are B, C and E.

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Answer:

The modern periodic table of elements contains

Eighteen main groups.

Answer:

Mitochondria

Mitochondria. Mitochondria are double membrane-bound cell organelles responsible for the supply and storage of energy for the cell.

Explanation:

The organelle labeled as "mitochondria" in the plant cell produces the energy for the cell through the process of cellular respiration.

Mitochondria are organelles found in most eukaryotic cells. They are often referred to as the "powerhouses" of the cell because their main function is to produce energy in the form of ATP (adenosine triphosphate) through a process called cellular respiration.

Mitochondria have an outer membrane and an inner membrane with folds called cristae. The space between the two membranes is called the intermembrane space, while the space inside the inner membrane is called the mitochondrial matrix. The mitochondrial matrix contains enzymes and other molecules needed for the metabolic reactions of cellular respiration.

Cellular respiration is a process that converts glucose and oxygen into ATP, which is the primary energy source for cells. Mitochondria play a key role in this process by breaking down glucose through a series of chemical reactions that ultimately produce ATP. The energy stored in ATP molecules can then be used by the cell for various cellular processes, such as muscle contraction, protein synthesis, and the maintenance of the cell's membrane potential.

In addition to their role in ATP production, mitochondria are also involved in other important cellular functions, such as calcium signaling, apoptosis (programmed cell death), and the synthesis of certain lipids and heme groups. Mitochondrial dysfunction has been implicated in a number of diseases, including Parkinson's disease, Alzheimer's disease, and diabetes.

Therefore, Through the process of cellular respiration, the organelle in the plant cell known as the "mitochondria" generates the energy for the cell.

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Answer:

All of the above

Explanation:

Solids have a fixed shape and volume.

Even though the molecules in a solid are vibrating, they can't travel from one part of the solid to the other.

I hope this helps! :)

Answer: I think the answer would be D

Explanation:

The more force you apply the more movement you will get.

This situation best reflects the influence of which economic thinker is John Maynard Keynes

The following information should be considered:

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Answer:

-8.3m/s

Explanation:

its correct

Answer: its 0.

Explanation: Gradpoint

Answer:

d = 4217 m

Explanation:

Case 1.

Initial velocity, u = 0

Acceleration, a = 2.2 m/s²

Let d₁ is the distance in case 1. Using second equation of motion as follows :

[tex]d_1=ut+\dfrac{1}{2}a_1t_1^2\\\\\text{Here, u =0}\\\\d_1=\dfrac{1}{2}\times 2.2\times 10^2\\\\d_1=110\ m[/tex]

Let d₂ in the distance in case 2. Using second equation of motion as follows :

[tex]d_2=ut+\dfrac{1}{2}a_2t_2^2\\\\\text{Here, u =0}\\\\d_2=\dfrac{1}{2}\times 1.5\times 74^2\\\\d_2=4107\ m[/tex]

Total distance,

D = d₁ + d₂

D = 110 + 4107

D = 4217 m

Hence, the total distance covered is 4217 m.

Answer:

Compasses are mainly used in navigation to find direction on the earth. This works because the Earth itself has a magnetic field which is similar to that of a bar magnet. The compass needle aligns with the Earth's magnetic field direction and points north-south. Also, In a magnet all the domains are oriented in the same direction. In the case of a nail, the domains can be aligned in the same direction causing the nail to become magnetic. That is because if you hang a bar magnet from a thread, the north pole will point to magnetic north. When you bring one north pole close to another north pole they repel each other. You can feel the two magnets pushing each other apart.

Answer:

Independent variable: how far the soccer ball is kicked.

Dependent variable: how well the person does on their math test

Explanation:

The distance the ball is kicked is what the scientist can change. On the other hand, in this experiment, how well the person does on their test supposedly relies on how far the soccer ball is kicked.

Answer:

D. Sulfur hexafluoride.

Explanation:

Explanation:

Hey there!!

An elements is called a pure substance because it is composed of only one kina of atoms in a fix proportion.

Hope it helps...

Answer:

Elements are pure substances because elements are always made up of same kind of particles.

Example:- pure Iron rod (iron is an element)is made up of many similar Iron atoms.

Answer:

Joule

Explanation:

energy, work, quantity of heat

m2·kg·s-2

Explanation:

Average power = change in energy / change in time

P = ΔE / Δt

P = (½ mv²) / t

P = (½ (0.825 kg) (0.620 m/s)²) / (0.021 s)

P = 7.55 Watts

The economic idea that Adam Smith promoted in The Wealth of Nations was that without government interference, businesses should be able to function freely. This is further explained below.

Generally,  Smith was an opponent of free trade. open markets tend to self-regulate via competition, market forces, and self-interest.

In conclusion, In Adam Smith's The Wealth of Nations, argued that enterprises should be freed to operate without government intervention.

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Answer:bA country’s wealth should be measured based on its productivity.

Explanation:

6,000 in scientific notation is 6 x 10^3.

6 x 10^3 = 6,000

Hope this helps ! <3

Explanation:

No, the ball keeps moving forward due its momentum.

A net force causes an object to accelerate, which means it speeds up, slows down, or changes direction.  A bowling ball does not speed up after you let go, so there is no forward force.

Answer:

He barely makes it but hit his leg on the pool edge.

Explanation:

Using kinematic formula: Δx=[tex]v_{0}t+(1/2)at^2[/tex]

We can plug in delta x, v zero, and acceleration.

delta x = 8 meters, v0 = 0. a = 9.8

8=(1/2)9.8*t^2

Around 1.278 seconds of airtime.

4 * 1.278 = 5.112 meters horizontally assuming no air resistance

That was close!