Which of the following should not be included in a great summary?
A. Blaming your lab partner
B. New questions your experiment has generated
C. Your prediction
D. Your investigation plan

Answer:

False

Choices:

A) True B) False

Answer:

They make trends in the data easier to see.

Answer:

=26.92 m/s

Explanation:

Speed is calculated as a ratio of the total distance covered ( It is directionless) to the total time taken to cover the distance.

Average speed= total distance/total time

                         =x/t

Total distance from the question= 3500m

Total time taken to cover the above distance = 2×60 +10=130 Seconds

Therefore, average speed= 3500m/130 s

=26.92 m/s

Answer:

9386715

Explanation:

The order is reversed and duplicates are removed.

Reversed: 993867715

Duplicates removed: 9386715

Happiness is to 517768399 as senipah is to 9386715. Correct option is C.

To find the relationship between "Happiness" and "517768399" and then apply the same relationship to "senipah," we need to analyze the pattern.

If we rearrange the digits of "Happiness" (8 digits), we get "517768399."

Now, let's rearrange the letters of "senipah" to get "happiness."

So, the correct answer is:

C) 9386715

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Complete question is:

Happiness is to 517768399 as senipah is to

A) 9836715 B) 9386615

C) 9386715 D) 9386517

An open series circuit is an electrical circuit in which the electric current does not circulate because the switch is open interrupting the flow of current. There must be a closed path for the current to flow through the circuit.

Answer:

9.8 m/s/s

Explanation:

The numerical value, in meters per second squared, of the acceleration of an object experiencing true free fall is 9.8 m/s/s. This is called the acceleration due to gravity.

Answer: 9.8

The velocity of a free-falling object can be discovered by using a simple mathematical formula: v = (9.8 m/s2) * time

Explanation:

The answer is:

The buoyant force is equal to 49N.

The buoyant force is the force that pushes upwards and object when it's submerged in water, this force is always trying to move the object to the surface of the liquid or water.  We must consider that the volume of water or liquid displaced is equal to the volume of the submerged object.

We can calculate the buoyant force using the following formula:

[tex]F_{B}=Density*VolumeDisplaced*GravityAcceleration[/tex]

Where,

Density is the density of the water or liquid.

Volume displaced is equal to the volume of the submerged object.

Gravity acceleration is the acceleration due to gravity.

So, from the statement we know that:

[tex]VolumeDisplaced=BeachBallVolume=5000cm^{3}\\\\Density=1\frac{gram}{cm^{3} }=\frac{0.001kg}{cm^{3} }\\\\g=9.8\frac{m}{s^{2} }[/tex]

Now, substituting and calculating we have:

[tex]F_{B}=Density*VolumeDisplaced*GravityAcceleration[/tex]

[tex]F_{B}=0.001\frac{kg}{cm^{3}*} *5000cm^{3}*9.8\frac{m}{s^{2} }[/tex]

[tex]F_{B}=0.001\frac{kg}{cm^{3}*} *5000cm^{3}*9.8\frac{m}{s^{2} }[/tex]

[tex]F_{B}=49\frac{Kg.m}{s^{2}}=49N[/tex]

Hence, we have that the correct answer is:

The buoyant force is equal to 49N.

Have a nice day!

Answer:

8.4 m/s

Explanation:

The toy completes 10 circle in 30 seconds. So its frequency of revolution is

[tex]f=\frac{10}{30 s}=0.33 Hz[/tex]

The periof of revolution is the reciprocal of the frequency, so

[tex]T=\frac{1}{f}=\frac{1}{0.33 Hz}=3 s[/tex]

The radius of the circular path is

r = 4.0 m

So the total distance covered by the toy in one circle is the length of the circumference:

[tex]2\pi r[/tex]

And so the average speed is

[tex]v=\frac{2\pi r}{T}=\frac{2\pi (4.0 m)}{3 s}=8.4 m/s[/tex]

The average speed of the airplane is 8.4 m/s

Given :

number of rotation = N = 10

time intervals = Δt  = 30 s

radius = R = 4.0 m

Unknown :

average speed = v = ?

Solution :

v = ω × R

v = ( θ / Δt ) × R

v = ( 10 × 2π / 30 ) × 4

v = (8π / 3) m/s

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Grade: High School

Subject: Physics

Chapter: Dynamics

Keywords: Newton, Law, Impulse, Work

Answer:

16 times that of car A

Explanation:

Moving objects have kinetic energy which is calculated using the formula:

E=(1/2)mv² where m is the mass of the object and v is its velocity.

For car A, kinetic energy =1/2×m×15²

=112.5m........................................i

For car B,  the kinetic energy =1/2×m×60²

=1800m......................................ii

dividing ii by i we get

1800m/112.5m= 16.07

Therefore The kinetic energy of car B is 16.07 times that of car A

Derived units in SI are specific combinations of base units with their own unique names.

The term 'derived unit' in SI refers to option 3: a specific combination of base units with its own name. This means that derived units are formed by multiplying or dividing the base units to create new units with their own unique names. For example, the unit of speed, meters per second (m/s), is a derived unit that combines the base unit of distance (meter) with the base unit of time (second).

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A derived unit in SI is a specific combination of base units with its own name.

The correct option that describes the term 'derived unit' in the International System of Units (SI) is 3. A derived unit is a specific combination of base units with its own name.  It refers to units that are built from the seven base units, such as meters, seconds, and kilograms, and have their own unique names. These units are formed by multiplying or dividing the base units and are used to measure quantities other than the base quantities. For example, the unit of speed is meters per second (m/s), which is derived by dividing the unit of distance (meter) by the unit of time (second).

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Power = (current)² x (resistance)

Resistance = (power) / (current)²

Resistance = (3 W) / (0.9 A)²

Resistance = 3.333... ohms

That's the total resistance in the series circuit. (3 and 1/3) ohms .

Voltage = (current) x (resistance)

Voltage = (0.9 A) x (3.333... ohms)

Voltage = 30 volts

That's the total voltage ... the battery that's powering the whole series circuit.  

Using only the information given in the question, there's no way to calculate how much of the 30V appears across the resistor and how much of it appears across the light bulb.

Answer:

The answer is true. The horizontal line on the Periodic Table is called periods.

Answer:

Rows

Explanation:

The horizontal _rows_ on the periodic table of elements are called periods.

Answer:

Explanation:

As far as I know, when H is the metal, the compound is an acid.

A base has OH as its non metal as in KOH.

A salt has neither.

Answer:

Earth's convection cells and how winds curve due to the Coriolis effect. currents of air or water due to Earth's rotation. Convection also occurs on a global scale. Warm, less-dense air at the equator tends to rise and flow toward the poles.

Explanation:

Answer:

The wind pattern that occurs in the atmosphere of the earth over a large scale refers to the convection cells. The water in the equatorial region receives a maximum amount of sunlight, as a result of which it becomes warm and less dense. This lighter is then rises up forming a low-pressure one and starts moving towards the poles in both the hemispheres. These lighter air mass then cools down as it reaches the poles and eventually gets denser and sinks down. This dense cold water further flows back to the equator moving at the seafloor.

During its motion from the equator to the poles, the air gets deflected due to a force that generates because of the earth's rotation. This force is known as the Coriolis force. This causes the wind to flow in a clockwise manner in the northern hemisphere, and anticlockwise in the southern hemisphere.

Due to this motion of wind and the effect of Coriolis force, the low-pressure zones are formed at the equator and the Arctic and Antarctic circles, whereas the high-pressure zones are formed at the near-tropical region and the poles.

Answer:

A-Z

Explanation:

A proton has an estimated weight of 1.

Answer:

N = A - Z

Explanation:

Atomic number is the number of protons in a nucleus

Atomic mass is the number of protons and neutrons

N will be give when you subtract A from Z giving you the number of neutrons

      hope this helps thx

Answer:

Explanation:

An acid has H as its metal as in H2SO4

A base has OH as its nonmetal as in Mg(OH)2

A salt is made of neither. That's what NaCl is -- a salt.

Hello There!

When "ELECTRIC" and magnetic fields both exist, it is called an electromagnetic field.

An electric field is a field extending outwards in all directions from a charged particle.

Answer:

Electric

Explanation:

electromagnetic fields are created when charged particles are accelerated

Answer:

sliding friction

Explanation:

Hello There!

When two objects are moving relative to one another while rubbing together, the frictional force between them is called kinetic friction.

O 809.

The heat absorbed from the heating of water can be calculated by the product of the mass of the sample, specific heat, and the difference in temperature. From the given data, we can simply calculate the mass of the sample as follows:

H = mC(T2-T1)

2500 = m(4.186)(60-20)

m = 14.93 g.

Energy can be converted from one form to another. Examples: Gasoline (chemical) is put into our cars, and with the help of electrical energy from a battery, provides mechanical (kinetic) energy. Purchased electricity is fed into our TVs and is converted to light and sound.

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The mass of water that is heated under these conditions is calculated to be around 0.149 g using the formula m=Q/(c*ΔT). Therefore, the answer isn't among the given choices.

The question is regarding the calculation of mass using energy, specific heat capacity, and change in temperature. This is a direct application of the formula Q=mcΔT, where Q is heat energy, m is mass, c is specific heat capacity, and ΔT is change in temperature. Given that Q = 2.500 joules, c = 4.186 J/g°C, and ΔT = 60.0°C - 20.0°C = 40.0°C, we can rearrange the formula and solve for 'm': m=Q/(c*ΔT). Substituting the given values, we obtain m = 2.500 joules / (4.186 J/g°C * 40.0°C) = 0.149 g; the answer isn't among the provided choices, and a recheck of your problem statement or calculations may be needed.

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The electric potential energy is directly proportional to product of charges, hence when the particle charge is reduced by a factor of 3, the electric potential energy will also be reduced by a factor of 3.

Answer: Option C

Explanation:

Electric potential energy is the potential energy which is conservative to the respective coulomb forces between the two particle charges which are at a specified separation from each other.

Electric potential energy = [tex]\frac{k (q1 q2)}{r}[/tex]

Where the k is the electrostatic constant,

q1 is the first charge.

q2 is the second charge.

r is the distance between q1 and q2.

Answer:

The statement is TRUE

Explanation:

computer programs like spreadsheets can be used to help organize and analyze data. Regression Analysis can be carried out in Excel to determine the relationship between two quantitative variables.

Computer programs like spreadsheets are used to organize and analyze data is a TRUE statement.

Explanation:

The spreadsheets or the database access programs of computer are the ones which helps us to organize a set of data significantly and thus helps to analyze them easily. Taking instance of spreadsheet, each data represented by the user defined parameter and set of value which represents the parameter.  

Each of these are well input in single cell and the cell are spread over sheet in form of rows and column. This helps to give a good organized set of data representation and thus helps in analysis easily.

Answer:

The volume increases

Choice B is correct

Explanation:

If a liter of water is heated from 20 C to 50 C its volume will increase.

Matter exists in 3 states;

Solids

Liquids

Gases

Matter expands when heated, consequently occupying more space. This implies that volume will increase

Heating a liter of water from 20 C to 50 C generally causes an increase in its volume due to the thermal expansion of water.

When a liter of water is heated from 20 C to 50 C, its volume generally increases due to the thermal expansion property of water. When water is heated, its molecules move faster and occupy a larger space, causing an increase in its volume. Therefore, answer b. The volume increases, is the best choice among the options given.

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Answer:

A vertical column in a periodic table is called a group, I hope you found this answer helpful.

Answer:

The answer is: a group.

Explanation:

The periodic table can be divided into groups and periods. The periods are the horizontal rows, and the elements in the same period have the same number of orbitals, and similar molecular weights. The groups are the vertical columns, and the elements in the same group have the same atomic valence.

Answer:

Energy and another nucleus of the new element/particle.

Explanation:

A nuclear decay is an radioactive decay where the nucleus of an atom becomes unstable and loses energy through emitting radiations.For example, there is an alpha decay that release  an alpha particle called helium-4, a beta decay that involve releasing a beta particle which normally occurs in a nucleus that has more neutrons than protons.Other decays are the gamma decay,electron capture and the spontaneous fission.Nuclear decay produces a lot of energy and radiations that could harm human cells if exposed.

Nuclear decay results in the formation of new elements or isotopes, which can involve beta decay, gamma decay, and alpha decay processes; notably, in reactors, this can lead to the production of plutonium-239 from uranium, and in supernovae, it results in the emission of gamma rays as elements like nickel decay into stable isotopes.

Nuclear decay forms new elements or isotopes by the transformation of one nuclide into another. This process can occur in various forms, such as beta decay, gamma decay, and alpha decay. For instance, in nuclear reactors, plutonium-239 is formed as a byproduct during the decay of uranium through a successive process where uranium-238 captures a neutron to become uranium-239, which then undergoes beta decay to become neptunium-239 and subsequently undergoes another beta decay to form plutonium-239.

Beta decay involves the conversion of neutrons to protons or vice versa within the nucleus, along with the emission of electrons or positrons and neutrinos or antineutrinos, driving the nuclide towards a stable configuration. Gamma decay involves the emission of high-energy photons, usually after another decay process has left the nucleus in an excited state.

A notable natural occurrence of nuclear decay happens in supernovae, where elements like nickel-56 decay into cobalt-56 and eventually to the stable isotope iron-56, emitting gamma rays that contribute energy to the expanding supernova remnant.

Answer:

The actual correct answer is Sigmund Freud and Alfred Adler

Explanation:

Sigmund Freud and Alfred Adler both agreed that childhood experiences play an important role in the development of oneself.

At the same time as Freud centered on best the inner processes particularly sexual conflicts that have an effect on someone's psychology, Adler changed into adamant that to fully understand someone, a psychologist ought to also remember other inner elements as well as external factors.

Adler and Freud belong from Austria. Both went to the equal university i.e. the college of Vienna. Adler became a colleague of Freud, and he also helped in the improvement of psychoanalysis.

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Answer:

Explanation:

Why are students in Hawaii required to learn the history of debate surrounding the writing of the first 10 amendments to the constitution? They were not a member of the United States at the time?

The reason they have to learn anything they can about the constitution is because they are governed by it (just as you are).

The reason you have to learn about the Earth's Systems is because currently there is a huge debate about global warming. The problem is that we are not sure what the solution might be and we've already spent billions on reducing our effect on the environment. Billions means your tax dollars (many) or that of your parents. Many scientists are not sure we should be doing anything.

You will enter the work force one day and if you get a good job, you will be taxed. You should never be unaware of what your tax dollars are spent on.

Answer:

1. science

2. advances in a science may lead to advances in technology and vice versa

3. they help visualize things that are very complex, very large, or very small

4. independent

5. inference

6. by publishing articles in scientific journals

   by giving talks at scientific conferences

7.  they all use SI system

8. a process in which scientists examine other scientists work

9. scientist receive questions and criticism from their peers

10. social science

11. forces cause changes in motion

12. drawing conclusions

    analyzing data

    revising a hypothesis

13. the hypothesis is revised

14. a scientific law

15. Kelvin

Explanation:

1.

The system of knowledge and the methods used to find that knowledge is referred to as science

2.

Science and Technology are related in that advances in a science may lead to advances in technology and vice versa

3.

Scientific models are important because they help visualize things that are very complex, very large, or very small

4.

The variable that is purposely changed and that you wish to test is called the independent  variable.

5. An explanation that tries to make sense of your observations based on personal experience and prior knowledge is called  inference

6. There are a number of possible ways that scientists can use to communicate the results of an investigation;

by publishing articles in scientific journals

by giving talks at scientific conferences

7. Scientists who speak different languages make their data understandable to one another through the use of the SI system .

8. The term peer review refers to a process in which scientists examine other scientists work for the purpose of questioning or criticism.

9. One reason that makes peer reviews important is;

Scientist are able to receive questions and criticism from their peers on a particular work of research.

10. The branches of natural science include;

life science

earth science  

physical science

11. One of the main ideas of physical science is that forces cause changes in motion

12. The main steps of the scientific methods  include;

drawing conclusions

analyzing data

revising a hypothesis

13. What happens when the data in an investigation does not support the original hypothesis;

the hypothesis is revised  

14. What is a statement that summarizes a pattern found in nature?

a scientific law

15. What is the SI units of Thermodynamic temperature?

Kelvin

Answer:

A.) an important measure for controlling bias.

Explanation:

Randomly assigning students to two different groups in an experiment on

memory would be an important measure to discourage under-coverage.

Random assignment of students to two different groups in an experiment on memory is an important measure for controlling bias as it eliminates systematic differences between the groups, allowing us to attribute any observed differences to the independent variable manipulation.

Randomly assigning students to two different groups in an experiment on memory would be an important measure for controlling bias. With random assignment, all participants have an equal chance of being assigned to either group, which makes it unlikely that there are systematic differences between the groups. This allows us to assume that any differences observed between experimental and control groups result from the manipulation of the independent variable.

Answer:

10cm

Explanation:

While moving distance P to Q the rabbit made a horizontal displacement along the x-axis.Then it moved at right-angle to PQ, which means it made a vertical displacement along the y-axis.The movement thus from P to Q to the end point lets say point E after the vertical movement can be sketched as a right-triangle if you join the endpoint , E to the start point P.

Apply the Pythagorean relationship where the horizontal movement will represent the longer side a, the vertical movement to represent the shorter side b, where as the displacement will be represented by the hypotenuse side c

Hence if; a=8cm, b=6cm, c=?

Apply⇒ a²+b²=c²

8²+6²=c²

64+36=c²

100=c²

√100=c

10cm=c

Magnitude of displacement is 10 cm

Using the Pythagorean theorem, the magnitude of the rabbit's total displacement, which involves two perpendicular displacements of 8 cm and 6 cm, is calculated to be 10 cm.

The rabbit's movement involves two right-angle (perpendicular) displacements: from P to Q which is 8 cm, and then a further displacement of 6 cm. To find the total displacement, we can apply the Pythagorean theorem because these displacements are at right angles to each other. This theorem states that in a right-angled triangle, the square of the hypotenuse (the longest side) is equal to the sum of the squares of the other two sides.

So, our calculation will be √(8² + 6²) cm = √(64 + 36) cm = √100 cm = 10 cm. Therefore, the magnitude of the total displacement of the rabbit is 10 cm.

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Answer:

I'm not sure if your question is how do you refuse alcohol but my answer is D.

Explanation:

If you get offered to drink you can use good excuses such as, "That's not really my things sorry." Or " Nah, i'm good". Make sure it is a firm response so the offerers don't keep asking

Hope this helps

if it does please mark brainliest :D

-A. Hazle

Answer:

D.) Prepare excuses

Explanation: