What lasts longer... a perm, or a chemical relaxer for your hair ?

Easy points :)
The first person who answers I’ll give brainliest to!

Answer: this is for you telling me what he did

Explanation:  it D

Answer:

Roundworms:

The size of roundworms ranges from microscopic to as long as a meter long. Most roundworms have a hard, sharp lance on their head, and some have bristles on the head. Most of the roundworms are protected by an adaptable yet solid, furrowed body covering.  

Roundworms are very primitive living beings, having no respiratory or circulatory system of a host. They have an empty body with two openings at the closures. Be that as it may, the head isn't particular or recognizable to the unaided eye.  

Roundworms reproduce sexually and can finish their life cycle in immature puppies, however as the little pupps immunity system develops (for the most part by a half-year-old enough), the larval phases of the roundworm will become captured and will encyst (become encased in a sore) in the puppy's muscles. They can stay encysted in the pooch's tissues for a considerable length of time or years.

The correct answer is D) Before the mechanic left, the molecules were moving in place. When she returned, they were moving around each other. The change in phase from solid to liquid is due to a change in the motion of molecules.

Molecules are formed when two or more atoms come together and form a chemical bond. Molecules exist in all forms of matter and are the building blocks of all living organisms. Molecules can range in size from the very small, such as hydrogen, to the very large, such as proteins. Generally, molecules are composed of two or more atoms of the same element or different elements that are held together by chemical bonds. Molecules can also be composed of multiple subatomic particles, such as protons and neutrons, which form the nucleus of an atom. Molecules may also contain electrons, which are held in orbit around the nucleus by electrostatic forces. Molecules can have different shapes depending on the arrangement of their constituent atoms. Molecules are essential to all forms of life, as they are responsible for many of the physical and chemical processes that take place in living organisms.

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The man has traveled a total distance of approximately 165.05m from his starting point.

To determine the distance traveled by the man from his starting point, we need to use the Pythagorean theorem to calculate the hypotenuse of the right triangle formed by his movements. The first movement, walking north for 80m, forms the vertical leg of the triangle, while the second movement, turning right and walking for 50m, forms the horizontal leg. This gives us the first right triangle.

Using the Pythagorean theorem, we can find the length of the hypotenuse:

\(c^2 = a^2 + b^2\)

\(c^2 = 80^2 + 50^2\)

\(c^2\) = 6,400 + 2,500

\(c^2\) = 8,900

c = 94.34

The third movement, turning right and walking for 10m, forms another leg of the triangle, and the final movement, taking a left turn and walking for 70m, forms the hypotenuse of a second right triangle.

Using the Pythagorean theorem again, we can find the length of the second hypotenuse:

\(c^2 = a^2 + b^2\)

\(c^2 = 10^2 + 70^2\)

\(c^2 = 100 + 4,900\)

\(c^2 = 5,000\)

c = 70.71

To find the total distance traveled, we add the lengths of the two hypotenuses:

94.34 + 70.71 = 165.05

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The time elapsed is 3.23 years.

To find the time elapsed, we will begin with calculation of distance traveled. Subsequently we will calculate time elapsed.

The formula to be used for finding out the distance traveled is -

\(x_{0} =\) \(x\sqrt{1-\frac{v^{2}}{c^{2} } }\)

In this formula, x₀ represents distance traveled, x represents distance measured at Earth, v is spaceship velocity and c is speed of light. Now, keeping the values in formula to find the value of distance traveled.

\(x_{0} =4.3\sqrt{1-\frac{(0.8c)^{2} }{c} }\)

\(x_{0} =4.3\sqrt{0.36 }\)

\(x_{0} = 2.58\) light years

Now, we know the distance traveled. Also, distance and time are related to each other by the formula -

\(Speed = \frac{distance}{time}\)

Speed of spaceship = 0.8c

Distance traveled = 2.58 light years

Again keep the values in formula to find the time elapsed.

Time = \(\frac{2.58}{0.8c}\)

Time = 3.23 years

Hence, 3.23 years would elapse on a clock on board the spaceship.

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It will take the car 16.67 sec to catch up with the truck.

Given the data in the question.

Since the car was stationary, then;

Initial velocity of the car; \(u_c = 0m/s\).

Final velocity of the car; \(v_c = 30m/s\).

Time taken for the car to reach given speed; \(t = 10s\).

At \(t = 0\), speed of truck; \(V_{truck} = 25m/s\)

First, we find the acceleration of the car, using the first equation of motion;

\(v = u + at\)

We make "a" the subject of the formula,

\(a = \frac{v-u}{t}\)

We substitute in our values and solve for "a"

\(a = \frac{30m/s - 0m/s}{10s}\)

\(a = 3m/s^2\)

Now, to determine how long will it take for the car to catch up with the truck.

Distance travelled by truck should be equal to distance travelled by car, so;

\(S_{truck\) = \(S_{car\)

We know that, speed; s = distance / time

So, distance of truck \(S_{truck\) = speed of truck × time \(= V_{truck} * t\)

Also, from the second equation of motion; distance "s" is;

\(s = ut + \frac{1}{2}at^2\)

So distance of the car \(S_{car} = ut + \frac{1}{2}at^2\)

We equate

\(S_{truck\) = \(S_{car\)

\(V_{truck} * t\) \(= ut + \frac{1}{2}at^2\)

we make "t" the subject of formula

we know that initial velocity of the car; u = 0

so, we divide both sides by "t"

\(V_{truck} = \frac{1}{2}at\)

\(t = \frac{2V_{truck}}{a}\)

We substitute in our values

\(t = \frac{2 * 25m/s}{3m/s^2}\)

\(t = 16.67s\)

Therefore, It will take the car 16.67 sec to catch up with the truck.

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Answer:

v_y = v_{oy} - g t

where the upward direction is positive, so the arrow represents this speed (blue) must decrease, reach zero and grow in a negative direction as time progresses

Explanation:

In this exercise you are asked to observe the change in velocity in a projectile launch.

If we assume that the friction force is small, the velocity in the x-axis must be constant

         vₓ = v₀ₓ

Therefore, the arrow (red) that represents this movement must not change in magnitude.

In the direction of the y axis, the acceleration of gravity is acting, so the magnitude of the velocity in this axis changes

         v_y = v_{oy} - g t

where the upward direction is positive, so the arrow represents this speed (blue) must decrease, reach zero and grow in a negative direction as time progresses

Answer:

yeet your welcome bro

Explanation:

The question addresses the stability of the atmosphere and the factors that determine convective stability or instability. It also explains the difference between the adiabatic lapse rate of dry air and wet saturated air.

a) The stability of the atmosphere is determined by the temperature profile and relative densities of the air cell and atmosphere. If the temperature of the surrounding atmosphere decreases with altitude at a rate greater than the adiabatic lapse rate of the air cell, the atmosphere is considered convectively stable.

In this case, the air cell will return to its original position. Conversely, if the temperature of the surrounding atmosphere decreases slower than the adiabatic lapse rate of the air cell, the atmosphere is convectively unstable. The air cell will continue moving in the same direction.

b) The adiabatic lapse rate refers to the rate at which temperature decreases with altitude for a parcel of air lifted or descending adiabatically (without exchanging heat with its surroundings). The adiabatic lapse rate of dry air is higher (around \(9.8^0C\) per kilometer) compared to the adiabatic lapse rate of wet saturated air (around 5°C per kilometer).

This difference arises because when water vapor condenses during the ascent of saturated air, latent heat is released, reducing the rate of temperature decrease. A diagram can illustrate the difference between the two lapse rates, showcasing their respective slopes.

c) When wet unsaturated air rises from the ocean surface, its temperature decreases at a rate equal to the dry adiabatic lapse rate. However, if the ambient lapse rate (temperature decrease with altitude) is higher than the adiabatic lapse rate for dry air, a temperature inversion layer forms at higher altitudes.

In this inversion layer, the temperature increases with altitude instead of decreasing. A schematic diagram can depict the temperature changes of the wet air in comparison to the ambient temperature, showing the inversion layer.

Cumulus clouds form at the altitude where the rising moist air reaches the level of the temperature inversion layer. These clouds are formed due to the condensation of water vapor as the air parcel cools to its dew point temperature.

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The velocity of the pumpkin 3.0 seconds after it was dropped is 29.4m/s.

The formula for the first equation of motion is expressed as;

v = u + gt

Where v is final velocity, u is initial velocity, g is acceleration due to gravity ( g = 9.8m/s² ) and t is time elapsed.

Given the data in the question;

Since the pumpkin was initially at rest before it was dropped.

To determine the velocity of the pumpkin after 3 seconds, plug the given values into the above equation of motion.

v = u + gt

v = 0 + ( 9.8m/s² × 3.0s )

v = 9.8m/s² × 3.0s

v = 29.4 m/s

Therefore, the final velocity is 29.4 meter per seconds.

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Answer:

v2 = 0.6 m/s in opposite direction

Explanation:

The computation of the speed of the raft is as follows

The center of system mass would be remains at the same place also it has no external force applied

Therefore

V = 0

So,  

M1.V1= - (M2.V2)

where,

M1 = 60 kg, V1 = 1.5 m/s

M2 = 150 kg

Now  

60 × 1.5 = - 150 × v2

v2 = -0.6 m/s

v2 = 0.6 m/s in opposite direction

Answer:

4 ohms

Explanation:

Use Ohm's Law: V = IR

V = 3.0 V

I = 0.75 A

Plug thise values into the equation:

3.0 V = (0.75 A) R

---> R = 4 ohms

The resistance of the bulb when a current of 0.75 is passed when connected to 3.0 V battery is 4 ohms.

Resistance is the opposition to the flow of current through it.

Given is the current passing through the bulb is 0.75 Amperes and the voltage of the battery is 3.0 V, then according to the ohm's law,

V = IR

where R is the resistance of the bulb

3.0 V= 0.75 A× R

R = 4 Ω

The resistance of the bulb is 4 Ω.

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Explanation:

1 Kilocalories = 4,184 Joules

Answer:

The relationship between calorie and joule are proportionate. Which implies, the calorie is directly proportional to the joule. That means-

When the value in terms of calorie increases, its corresponding value in joules also increases at a rate of 4.2.

When the value in terms of calorie decreases, its corresponding value in joules also decreases at a rate of 4.2.

Answer:

Displacement (km)

Explanation:

The y axis is the vertical axis pointing up and down. This is labeled as the the displacement (km) in the graph.

Answer:

A subscript

Explanation:

it tells you how many oxygen molecules there are in the equation

(8a) The work done on the block is 2,000 J.

(8b) The energy converted into thermal energy is 1,000 J.

The work done on the block is calculated by applying the following formula.

W = F x d

where;

W = 200 N x 10 m

W = 2,000 J

The energy converted into thermal energy is equal o work done by friction force.

W = 100 N x 10 m

W = 1,000 J

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Answer:0

Explanation:

0

The angle of refraction θ₂ is 73.3°. Since θ₂ is less than 90 degrees, the ray will refract.

To determine whether the ray will reflect internally or refract into the air at the boundary between flint glass (n = 1.61) and glycerol (n = 1.47), we can use Snell's law. Snell's law relates the angles of incidence and refraction at an interface between two different media.

Snell's Law is given as;

n₁ × sin(θ₁) = n₂ × sin(θ₂)

where:

n₁ and n₂ are refractive indices of two media,

θ₁ is the angle of incidence, and

θ₂ is the angle of refraction.

In this case, the ray is traveling from flint glass (n₁ = 1.61) to glycerol (n₂ = 1.47). The incident angle is given as 68.9 degrees.

To determine whether the ray will reflect or refract, we need to compare the angle of refraction (θ₂) to 90 degrees. If θ₂ is greater than 90 degrees, the ray will reflect internally. If θ₂ is less than 90 degrees, the ray will refract.

Let's calculate the angle of refraction (θ₂) using Snell's law:

n₁ × sin(θ₁) = n₂ × sin(θ₂)

1.61 × sin(68.9°) = 1.47 × sin(θ₂)

0.996 = 1.47 × sin(θ₂)

sin(θ₂) = 0.996 / 1.47

θ₂ ≈ 73.3°

Since θ₂ is less than 90 degrees, the ray will refract.

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Answer:

I hope it helps.

Answer:

Nuclear Fusion

Explanation:

Nuclear fusion is the nuclear reaction in which two lighter nucleus combine to form a larger more stable nucleus with the release of energy.

²₁H + ¹₁H ⇒ ³₂He + energy

In this case, a hydrogen atom reacts with a deuterium atom to produce a helium atom and energy.

Since two smaller atoms combine to produce a larger atom, nuclear fusion occurs.

Answer:

Fusion

Explanation:

Fusion but nuclear fusion is right but only fusion for APE X is needed

there are 3 atoms in each silver sulfide

I dont see the question to this

Answer:

The correct answer would be B

Explanation:

I took the test and we use wind and turbines to create a renewable energy source.

The mottled appearance of the Sun's surface, known as granulation, is primarily caused by convective motion in the Sun's outer layer, known as the photosphere.

The granulation pattern arises due to the convection currents that transport heat from the Sun's interior to the surface. As the hot plasma rises, it creates bright regions, or granules, on the surface. These granules represent areas of hotter plasma where the rising material is visible. Simultaneously, the cooler plasma sinks back into the interior, forming darker regions known as intergranular lanes.

The granulation pattern is a manifestation of the complex and dynamic nature of the Sun's outer layers. It is indicative of the convective motions occurring within the Sun, with rising and sinking plasma continuously reshaping the photosphere. The granulation pattern is visible when observing the Sun's surface at high spatial resolution, such as through telescopes equipped with specialized filters or instruments.

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Answer: 1/10th of its weight on Earth.

Explanation: Let's assume that the weight of the object on Earth is W, and the gravitational acceleration on Earth is g. We know that weight is given by the formula:

W = m * g where m is the mass

If the gravitational attraction on another planet is 1/10th of Earth's pull, then the gravitational acceleration on that planet will be:

g' = g/10

Using the same formula for weight, the weight of the object on the new planet will be:

W' = m * g'

Substituting the value of g' in the equation above, we get:

W' = m * (g/10)

W' = (m/10) * g

Therefore, the weight of the object on the new planet will be 1/10th of its weight on Earth.

W' = (100/10) N = 10 N

So, the weight of the same object on a planet where the gravitational attraction has been reduced to 1/10th of Earth's pull would be 1/10th of its weight on Earth.

Answer:

1.#potential energy = PE, m = mass in kg, g = force of gravity, h= vertical height above the ground.  ** means to the power of ie exponent. * means multiply.

PE = mgh

300 = m(10)(15)

m = 300/(10)(15)

m= 2kg

2. KE = 1/2 mv**2

     = 1/2(50)(50)**2

     = 2500 joules

Explanation

Is as in solution

Thus, the arrows 4, 5, and 6 depict the phase changes in which heat energy is gained.

The definition defined energy as that of the "power to accomplish work" refers to the capacity to apply a force that moves an object. The two types of energy are kinetic and potential energy. The quantitative characteristic that is transferred to the a body or into a physical process in physics is energy, which is visible in the performance of labor as well as in form of heat and light. Energy is a resource that is conserved; it can only be changed through one form to another and it cannot be produced or destroyed, according to the law of conservation of energy.

E = mc2, which stands for "E = mc2, says that if a body's energy increases by an amount E (in whatever form), its mass (m) changes by such an amount equal to E/c2. Albert Einstein came up with this equation.

Thomas Young coined the term "energy" for the first time in the realm of physics in 1800, but it didn't catch on. Later, Young utilized interference tests to demonstrate that light is indeed a wave.

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The phase transitions represented by the arrows that gain heat energy are 1, 2, and 3.

The movement of minuscule atoms, molecules, or ions in solids, liquids, and gases results in heat energy. One object can give off heat to another. Heat is the flow or transfer caused by the temperature difference between two objects.

For instance, both an ice cube and a glass of lemonade contain heat energy. If you put the ice in the lemonade, which is warmer, some of the lemonade's heat energy will be transferred to the ice. In other words, it will warm up the ice. The lemonade and ice-cold water from the melting ice will eventually be at the same temperature. This is referred to as thermal equilibrium.

1 denotes the phase transition that occurs when a liquid transforms into a gas. This is referred to as vaporisation. This process is initiated by the heat energy gained.

2 denotes the phase transition that occurs when a solid becomes a liquid. Melting is accomplished through the use of heat energy.

3 denotes the phase transition that occurs when a solid transforms into a gas. Sublimation occurs when heat energy is applied.

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Complete question:

Which arrows represent the phase transitions in which heat energy is gained?

O 1, 2, and 3

O 2,3, and 5

O 3, 4, and 5

O 4, 5, and 6

Answer:

6 seconds is the best answer

It will take 6 seconds to the football in the air.

Velocity is the rate that the position of an item changes relative to time. When forces are applied to an item, it accelerates. This acceleration affects the velocity.

The object's initial velocity, vi, is its speed before acceleration changes it. The new velocity, which has increased for a while, is the final velocity, or vf.

Initial Velocity, denoted as u, is the velocity at time period t = 0. It is the speed at which motion first occurs. There are four equations for starting velocity: The starting velocity is expressed as u = v - at if time, acceleration, and final velocity are given.

Therefore, It will take 6 seconds to the football in the air.

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Answer:

Check attachment for your answer

Good luck

Answer: slightly more

Explanation:

it will be slightly less because it is partially taking away the heaviness from your natural weight. But it might also be slightly more because you are still kind of adding more weight onto the scale by putting more weight onto your toes making it heavier.