How would the maximum height in projectile motion change if the mass was kept constant, but the acceleration due to gravity was increased

Answer:

We can use Coulomb's law to solve this problem:

F = k * q1 * q2 / r^2

where F is the force between the two charges, k is Coulomb's constant (k = 9 x 10^9 N m^2 / C^2), q1 and q2 are the magnitudes of the charges, and r is the distance between them.

We know the force F, the distance r, and the magnitude of one of the charges q1. We can rearrange the equation to solve for the magnitude of the other charge q2:

q2 = F * r^2 / (k * q1)

Substituting the values we have:

q2 = (250 N) * (0.15 m)^2 / (9 x 10^9 N m^2 / C^2 * 6.5 x 10^-5 C)

Simplifying:

q2 = 8.65 x 10^5 C

Therefore, the magnitude of the other charge is 8.65 x 10^5 C.

Answer:

0.303 seconds

Explanation:

We need to find the time that the cell phone takes to reach the sink. So, we will use the following equation

Where

yi is the initial position, so yi = 0.45 m

vi is the initial velocity. Since it is freefall, vi = 0 m/s

a is the acceleration due to gravity, so a = -9.8 m/s²

y is the final position, so y = 0 m

t is the variable that we need to find.

So, replacing the values, we get:

Now, we can solve for t

Therefore, you have 0.303 seconds before your cell phone is ruined.

Responder:1,53m

Explicação: velocidade é igual a spaço sobre tempo isso dá 1,527metro por segundo

All of the Following statements concerning the nuclear force is false. so, the correct answer is (E) None of them is correct.

Because, All of the statements mentioned concerning the nuclear force are true:

A. The nuclear force is attractive: The nuclear force, also known as the strong nuclear force, is an attractive force that holds the nucleus of an atom together.

B. The nuclear force is short-ranged: The nuclear force has a very short range, typically limited to the size of an atomic nucleus.

C. The nuclear force is weak relative to the electrostatic force: The nuclear force is stronger than the electromagnetic force (which includes electrostatic forces), especially at short distances.

D. The nuclear force does not distinguish protons from neutrons: The nuclear force acts equally on protons and neutrons, without distinguishing between them.

Therefore, the false statement is E. None of them is correct.

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The way how charged particles interact is demonstrated with the Charge Launcher Gizmo. Tiny charged particles have the ability to attract (pull together) or repel (push apart) one another, just like magnets.

The positive charge is present in the red particles.

The red particle took a slightly bent downhill route when it was launched from the upper left corner of the grid.

The blue particles are negatively charged. This particle is fixed, which means it is affixed to the grid. The blue particle took the same course downhill when it was released from the upper right corner of the grid and at the very end it curled upward.

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The best activity for her to do to improve her range of motion is flexibility.

The term the range of motion (ROM) describes the extent to which a joint or muscle may be moved or stretched. Everybody has a distinct experience. For instance, whereas some people can perform a complete split, others cannot because their joints are stiff and their muscles are unable to extend as far.

A joint is said to have a restricted range of motion when it cannot move easily and completely in its typical position. A mechanical issue within the joint, swollen tissues around the joint, or pain may restrict motion.

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Because, body at higher temperature has higher average KE of molecules and body at lower temperature has lower average KE of molecules. When two bodies having higher temperature and lower temperature are keep in contact, the body at higher temperature shares their energy to molecules at lower temperature.

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In order to find the magnitude of the vectors given, let's find first the components

The component in the x-axis

then the component in the y-axis

Then the magnitude can be calculated with the next formula

we substitute the values

The magnitude is 3.01m

then for the direction, we can use the next formula

we substitute the values

then because both components are negative the direction will be

The velocity of the ion released from rest and accelerated through a potential difference of 152V is 6.34 × 10^5m/s.

The electric potential difference is a scalar quantity that measures the energy required per unit of electric charge to transfer the charge from one point to another. The electric potential difference between two points in an electric circuit determines the direction and magnitude of the electric current that flows between those two points. A lithium-ion containing three protons and four neutrons has a mass of 1.16 × 10-26 kg. The ion is released from rest and accelerates as it moves through a potential difference of 152 V.

The change in electric potential energy of an object is equal to the product of the charge and the potential difference across two points. The formula to calculate the velocity of the ion released from rest and accelerated through a potential difference of 152V is:

v = √(2qV/m) where q is the charge of the ion, V is the potential difference, and m is the mass of the ion.

Substituting the values in the formula, we get:

v = √(2 × 1.6 × 10-19 C × 152 V/1.16 × 10-26 kg)v = 6.34 × 10^5m/s

Therefore, the velocity of the ion released from rest and accelerated through a potential difference of 152V is 6.34 × 10^5m/s.

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-An increase in human population negatively impacts the water resources. There is only a small amount of clean and drinkable water on Earth. If more people are on Earth, more of this water will be used by the population. An increase of people also means that more fossil fuel will be used. An increase of usage of fossil fuel, means that the climate will become warmer & melt the ice caps. Ice caps are pure,drinkable water, and if they melt they will mix with salt water, making it undrinkable to human.

-The industrial usage of water, leads to more water being polluted. Hyrdaulic Fracturing on water will negatively affect water,making it undrinkable,due to the fact that it is filled with things that have negative affects on our body. Infected waters will lead to a smaller amount of water for people to drink.

I HOPE THIS HELPS & GOOD LUCK <3 !!

K12 is a term that refers to the education system that covers primary and secondary education, typically from kindergarten through 12th grade. A K12 test would, therefore, be an assessment or examination that is designed for students within this educational framework.

Question 1:

DNA (deoxyribonucleic acid) is a molecule that carries the genetic instructions for the development, functioning, and reproduction of all living organisms. It consists of two strands twisted into a double helix structure and is composed of nucleotides containing a sugar-phosphate backbone and nitrogenous bases (adenine, thymine, cytosine, and guanine).

Question 2:

The cell needs to make copies of DNA before dividing to ensure that each daughter cell receives a complete set of genetic information. During cell division, the DNA is replicated through a process called DNA replication, where each strand of the double helix is used as a template to create two identical DNA molecules. This ensures genetic continuity and the transmission of genetic information to offspring cells.

Question 3:

Mutations in DNA can be caused by errors that occur during DNA replication, where mistakes or changes in the nucleotide sequence may occur. Additionally, mutations can be caused by external factors known as mutagens, such as radiation, certain chemicals, or environmental factors, which can damage or alter the DNA sequence.

Question 4:

When we say that DNA strands are complementary, it means that the nucleotide bases on one strand pair specifically with their complementary bases on the opposite strand through hydrogen bonding. Adenine (A) always pairs with thymine (T), and cytosine (C) always pairs with guanine (G). This complementary base pairing ensures the accurate replication and transcription of DNA.

Question 5:

During DNA replication, the new DNA strand formed is complementary to the original template strand. This means that the sequence of nucleotides in the new strand is precisely complementary to the sequence in the original strand. However, it is important to note that both strands of the double helix are used as templates during replication, resulting in two new DNA molecules, each with one original strand and one newly synthesized complementary strand. Therefore, each new DNA molecule consists of one original strand and one newly synthesized strand, making them identical to each other and slightly different from the original DNA molecule.

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The complete question is:

Question 1: What is DNA?

Question 2: Why must the cell make copies of DNA before it can divide?

Question 3: What causes mutations in DNA?

Question 4: What does it mean for DNA strands to be complementary?

Question 5: How is the new DNA strand formed during replication different from the original strand?

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Answer:

No the butterflies wings won't glow.

Explanation:

Butterflies have wings that have different color of attractiveness. Butterflies are however attracted to light but can't absorb the light.

The isotropic form of Hooke's law relating stress to strain in ij notation and matrix form is:

σ_ij = C_ijkl * ε_kl

Hooke's law is a fundamental concept in solid mechanics that describes the linear relationship between stress and strain in an elastic material. In the isotropic form, stress (σ) and strain (ε) are represented using tensor notation, where the subscripts i and j denote the components of stress or strain along different directions.

The equation is given as σ_ij = C_ijkl * ε_kl, where C_ijkl represents the elastic constants or stiffness coefficients. In this notation, the indices i, j, k, and l can take values from 1 to 3, representing the three spatial dimensions.

The elastic constants C_ijkl represent the material's response to applied stress and provide information about its mechanical properties. These constants define the material's stiffness and determine how it deforms under stress. The specific values of the elastic constants depend on the material being considered.

The elastic constants have physical meanings related to the material's properties. For example, the elastic constant C_1111 represents the material's Young's modulus, which measures its resistance to linear deformation. The constants C_1212 and C_1122 represent the shear modulus, reflecting the material's resistance to shear deformation.

Understanding the values and physical meanings of the elastic constants is crucial in characterizing the behavior of materials under stress. By determining the elastic constants experimentally or through theoretical modeling, engineers and scientists can predict and analyze the material's response to applied forces and design structures accordingly.

Hooke's law and the elastic constants play a vital role in various fields such as materials science, civil engineering, and mechanical engineering. By studying the relationship between stress and strain, researchers can analyze the behavior of materials under different loading conditions and make informed decisions about material selection, structural design, and performance optimization. The elastic constants provide essential information about the mechanical properties of materials, enabling the development of reliable and efficient structures and systems.

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Answer:

Uhm where are the questions and answers?

Two stars with the same mass number can be different in their luminosity, life time and distance with respect other stars and planets.

Stars are spatial objects with brightness and are made of gases and dust. The major part of stars are hydrogen and helium gases. There are trillions of stars for each galaxies in the universe.

The energy formed inside the stars is from  the nuclear fusion of hydrogen nuclei forming helium nuclei releases tones of heat and light energy. The light and heat energy produced from each stars differ.

The luminosity or brightness of stars with same mass will be different. The life time of each stars also differ from other stars.

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Answer:

-->Phytoplankton are AUTOTROPHS

--> Both the Salmon and the grizzly bears are CONSUMERS.

--> Grizzly bears are SECONDARY CONSUMERS.

Explanation:

In an ecosystem, which is the basic functioning unit of nature, the biotic components is made up of all the living organisms in it. These organisms are divided into two main groups which includes:

--> The AUTOTROPHS: These are organisms that are able to use sunlight or chemical energy to manufacture their own food from simple inorganic substances. Since Autotrophs are the only organisms that can produce food in an ecosystem, they are also known as PRIMARY PRODUCERS. Example of autotrophs includes Phytoplankton( all green plants).

-->HETEROTROPHS: These organisms cannot manufacture their own food rather they feed on ready-made food which comes from the tissues of organisms in their environment. In an ecosystem, Heterotrophs are known as the CONSUMERS. Example of Heterotrophs includes all animals (salmon and the grizzly bears).

These biotic components of the ecosystem forms a feeding pathway through which energy and nutrients are transferred step by step among organisms. This is called a FOOD CHAIN. This feeding pathway follows a certain pattern:

--> it begins with a primary producer (Phytoplankton)

--> the primary producer is eaten by a primary consumer (salmon)

--> the primary consumer is eaten by a secondary consumer (grizzly bears)

That is the reason both the Salmon and the grizzly bears are CONSUMERS but while salmon is a primary consumer, grizzly bears are SECONDARY consumers.

Answer:

correct answer below

Explanation:

The rate at which temperature increases with depth, also known as the geothermal gradient.

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Answer:

the ratio of protons to neutrons

Explanation:

Nuclear stability is based on the ratio of protons to neutrons. The nuclear space is made up of protons and neutrons that occupies the nucleus of an atom.

For every atomic nucleus, there is a specific neutron/proton ratio which ensures the stability of the nucleus.

For sodium, Na, the neutron/proton ratio for stability is 12/11.

Any nucleus with a neutron/proton combination different from its stability ratio will be unstable.

Answer:

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Therefore, the minimum distance x from point A at which an additional object, also with the same weight Fg, can be hung without causing the rod to slip at point A is 1.65 m.

The given diagram for the problem is as follows. The length of the rod is 4 m, and it weighs Fg, and it is hanging from a cable at an angle θ = 37° with the rod. The other end of the rod is held against the wall by friction. The coefficient of static friction between the wall and the rod is 0.5. An additional object with the same weight Fg is hung from point A at a minimum distance x so that the rod does not slip at point A.

To solve this problem, we need to use the concept of torque. We need to balance the torque about point A. The torque acting on the rod is due to its weight, which acts through the center of mass, and the tension in the cable, which acts at a distance of 2 m from point A.

The tension in the cable can be resolved into two components, one horizontal and one vertical. The horizontal component of tension balances the frictional force acting on the rod.

We have,

2 T sin θ = Ff

where Ff is the frictional force acting on the rod.

The vertical component of tension balances the weight of the rod.

We have,

2 T cos θ = Fg

where Fg is the weight of the rod.

The minimum distance x can be calculated by balancing the torque about point A. The torque due to the weight of the rod is,

Fg (4 - x)sin 37°

and the torque due to the additional weight Fg is, Fg x

The torque due to the tension in the cable is zero since it acts through point A.

Therefore, we have,

Fg (4 - x)sin 37° = Fg x

Solving for x, we get, x = 1.65 m

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Answer:

diminished and erect( upright)

Explanation:

The minimum voltage required to trigger a digital storage oscilloscope (DSO) to begin displaying a waveform is called the trigger voltage or trigger level.

This voltage threshold can be set by the user and is typically adjusted using a trigger control on the DSO.

A DSO is an electronic device used to capture, display, and analyze signals, typically in the form of voltage over time. It is designed to trigger and capture signals based on certain criteria, such as when the signal reaches a certain voltage level.

This minimum voltage required to trigger the DSO is known as the trigger voltage. The trigger voltage can be set by the user and is usually adjusted using a trigger control. Once the trigger level is reached, the DSO begins capturing the signal and displaying it on its screen.

The trigger voltage is an important parameter to consider when using a DSO. It enables the user to specify when the DSO should begin capturing a signal and helps ensure that only the desired signals are captured and displayed.

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According to an energy bill, a client used 1027 kilowatt hours (kwh) in July. Did the customer consume the stated 1 joules = 3600 joules?

Physically, it is colorless, odorless, and a gas at ambient temperature with a weight of 1.260 g per liter under normal circumstances. It reacts with acetone and is chemically combustible, polymerizing to make polyethylene.

The following assertion about chemical and physical changes is true: C) Physiological changes always result in the creation of new substances. In nature, there are two different types of change: chemical development and physical change. No new chemicals are created, only the physicochemical characteristics of existing substances are temporarily altered.

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Answer:

it covers your phone so when you drop it it reduces the chance and breaking

The wavelength of the light being released appears to be longer as you get closer to a steady light source.

Its spatial period is known as the wavelength, which in physics is the distance that a periodic wave repeats over. The distance between two consecutive wave crests or troughs is known as the wavelength. The direction of the wave is used to measure it. It is frequently denoted by the Greek letter lambda, which is also known as the "wavelength." Additionally, sinusoidal wave envelopes, modulated waves, and waves created by the interference of multiple sinusoids are all sometimes referred to as having a wavelength.

The distance between each trough or the peak of each wave in a sequence. It acts as one of the "yardsticks" for estimating radiation levels.

Typically, the length of a wave is denoted by the Greek letter lambda (). The relationship between a waves train's frequency (f) or speed (v) in a medium is known as the wavelength relationship.

The wavelength may always be determined by measuring that distance between the two identical points on adjacent waves. The separation between each compression or rarefaction is measured in order to determine a longitudinal wave's wavelength.

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Answer:

2 m/s²

Explanation:

From the question given above, the following data were obtained:

Initial velocity (u) = 2 m/s

Final velocity (v) = 6 m/s

Time (t) = 2 s

Acceleration (a) =?

The acceleration of the person can be obtained as follow:

v = u + at

6 = 2 + (a×2)

6 = 2 + 2a

Collect like terms

6 – 2 = 2a

4 = 2a

Divide both side by 2

a = 4 / 2

a = 2 m/s²

Therefore, the acceleration of the person is 2 m/s²

Answer:The motion of an aircraft through the air can be explained and described by physical principals discovered over 300 years ago by Sir Isaac Newton. Newton worked in many areas of mathematics and physics. He developed the theories of gravitation in 1666, when he was only 23 years old. Some twenty years later, in 1686, he presented his three laws of motion in the "Principia Mathematica Philosophiae Naturalis." The laws are shown above, and the application of these laws to aerodynamics are given on separate slides.

Newton's first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force. This is normally taken as the definition of inertia. The key point here is that if there is no net force acting on an object (if all the external forces cancel each other out) then the object will maintain a constant velocity. If that velocity is zero, then the object remains at rest. If an external force is applied, the velocity will change because of the force.

The second law explains how the velocity of an object changes when it is subjected to an external force. The law defines a force to be equal to change in momentum (mass times velocity) per change in time. Newton also developed the calculus of mathematics, and the "changes" expressed in the second law are most accurately defined in differential forms. (Calculus can also be used to determine the velocity and location variations experienced by an object subjected to an external force.) For an object with a constant mass m, the second law states that the force F is the product of an object's mass and its acceleration a:

F = m * a

For an external applied force, the change in velocity depends on the mass of the object. A force will cause a change in velocity; and likewise, a change in velocity will generate a force. The equation works both ways.

The third law states that for every action (force) in nature there is an equal and opposite reaction. In other words, if object A exerts a force on object B, then object B also exerts an equal force on object A. Notice that the forces are exerted on different objects. The third law can be used to explain the generation of lift by a wing and the production of thrust by a jet engine.

You can view a short movie of "Orville and Wilbur Wright" explaining how Newton's Laws of Motion described the flight of their aircraft. The movie file can be saved to your computer and viewed as a Podcast on your podcast player.

Explanation:

The distance to the star, in parsecs, is 30 pc.

The distance to the star, in light years, can be calculated using the conversion factor of 3.26 light years per parsec. Therefore, the distance to the star in light years is approximately 97.8 light years.

The distance to a star can be determined using its measured parallax angle. Parallax is the apparent shift in the position of an object when viewed from two different points. It is measured in units of arc seconds.

The formula to calculate the distance to a star in parsecs is:

Distance (in pc) = 1 / Parallax (in arc sec)

Given that the measured parallax is 1/30 of an arc second, we can substitute this value into the formula:

Distance (in pc) = 1 / (1/30) = 30 pc

This gives us the distance to the star in parsecs.

To convert the distance to light years, we use the conversion factor of 3.26 light years per parsec. Multiplying the distance in parsecs by this conversion factor gives us the distance in light years:

Distance (in light years) = 30 pc × 3.26 light years/pc = 97.8 light years

Therefore, the distance to the star is approximately 30 parsecs or 97.8 light years.

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