HURRY PLEASEE
Whenever an object exerts a force on another object, the second object exerts a force of the same magnitude, but in the_______
of the first object
direction to that of the first object
A) opposite
B) same
C) right angle
D) vertical

Natural sciences are academic fields that work together to understand and explain the physical world using empirical data.

Any of the sciences (like physics, chemistry, or biology) that study matter, energy, and how they interact and transform, or that study phenomena that can be measured with precision.

A collection of academic fields known as the "natural sciences" examines the physical universe and all natural phenomena. Physical sciences like chemistry, geology, physics, mathematics, or astronomy and biological sciences like biology, botany, zoology, genetics, or microbiology are the two main branches of the natural sciences.

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Answer:

The mass of a spacecraft is the same on earth as the moon.

W = F = M a    the weight is different because the acceleration due to gravity is less on the moon than it is on earth.

On could choose a different mode of acceleration, say a compressed spring, and find that mass of an object does not depend on gravitational attraction.   F = M a holds on the moon as well as on earth

created when sound is formed from vibrations that cause pressure changes in the surrounding air. it is called a sound wave

Sound is a mechanical wave that results from the back-and-forth vibrations of the particles of the air medium through which the sound wave is moving.

These vibrations in the air are caused by the vibration of the objects that generate the sound. If a sound wave is moving from left to right through the air, then particles of air will be displaced both rightward and leftward as the energy of the sound wave passes through it.

The motion of the particles is parallel to the direction of the energy transport. This is what characterizes sound waves in air as longitudinal waves.

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Answer:

The cell membrane is capable of transforming oxygen and glucose into energy for the cell

Explanation:

The cell membrane encapsulates all the organelles of the cell. It provides protection for the organelles of the cell.

It transports nutrients into the cell and toxic materials out of the cell. It also prevents the entry of harmful materials into the cell.

The cell membrane does not perform the function of  transforming oxygen and glucose into energy for the cell.

Answer:

It is due to the large impulse is imparted on the flour.

Explanation:

A ball is moving faster.

When a ball is moving faster strikes to the flour, the change in momentum is large and thus the impulse imparted on the flour is large.

Impulse = change in momentum

So, as the flour experiences large impulse and large momentum so that the flour spreads out.

If the change in momentum is large so the flour spreads out is more.  

When a ball moves with faster velocity, then a greater impulse force is generated that causes more flour to spread out.​

Momentum can be defined as the mass in motion. It is the product of mass and velocity. It is given by the formula,

p = mv

where p is the momentum, m is the mass, and v is the velocity.

As we know that the ball has some mass and the ball is moving with some velocity, therefore, the ball will have some momentum. Also, we know that when the ball will hit the flour the momentum of the ball will become zero, therefore, the change in momentum in such a short time will generate an impulse.

Thus, if the velocity of the ball is more than the impulse generated will be more which will cause more flour to spread out.​

Hence, When a ball moves with faster velocity, then a greater impulse force is generated that causes more flour to spread out.​

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Answer:

Quick, Efficient, Reliable, Safe and Continous

Answer:

Five advantages of electricity are :Advantages

It is transportable over long distances

It is silent

It can be used produce magnetic fields, which can be used to propel motors

It is very transformable

It is very fast, virtually the speed of light

It can be used to produce other forms of radiant energy, such as radio waves, microwaves, radiant heat and light

Answer:

B. 6 cm

Explanation:

First, we calculate the spring constant of a single spring:

\(k = \frac{F}{\Delta x}\\\)

where,

k = spring constant of single spring = ?

F = Force Applied = 10 N

Δx = extension = 4 cm = 0.04 m

Therefore,

\(k = \frac{10\ N}{0.04\ m}\\k = 250\ N/m\\\)

Now, the equivalent resistance of two springs connected in parallel, as shown in the diagram, will be:

\(k_{eq} = k + k\\k_{eq} = 2k = 2(250\ N/m)\\k_{eq} = 500\ N/m\\\)

For a load of 30 N, applying Hooke's Law:

\(\Delta x = \frac{F}{k_{eq}}\\\\\Delta x = \frac{30\ N}{500\ N/m}\\\\\Delta x = 0.06\ m = 6\ cm\\\)

Hence, the correct option is:

B. 6 cm

Answer:

40 seconds. 15,509/390=40.

P.s.

Can you please give me brainliest for my next rank.

Answer:

a

Explanation:

cause her hand is straight and she followed the direction it sould be correctly unless I am messing something

Answer:

B.Ionizing radiation is the correct answer.

Explanation:

Ionizing radiation has sufficient energy that it can convert atoms and molecules into ions.

It has a sufficient amount of energy that it can separate tightly confined electrons from the orbit of an atom and causing that atom to become ionized.

Answer: lonizing radiation

Explanation:

Got it right

While negative point charges always move in the direction of the opposing electric field, positive point charges always move in the other direction. An electric field is a vector quantity. They cannot be added directly, but they can be vectorially inserted.

A physical field called an electric field surrounds electrically charged particles and attracts or repels all other charged particles nearby. It can also refer to the physical field surrounding a system of charged particles.

While negative point charges always move in the direction of the opposing electric field, positive point charges always move in the other direction. An electric field is a vector quantity.

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Answer:

B

Explanation:

because it would change the direction and speed

The acceleration of the proton by using Coulomb's law is 2.806 m/s²

The acceleration of a proton can be defined by using coulombs force and centripetal acceleration. The value of coulomb force is

Fc = k.q1.q2 / d²

where Fc is coulomb force, k is Coulomb's constant, q is charge and d is distance.

Centrifugal force will also same as coulomb force, which can be determined as

F = m.a

where F is centrifugal force, m is mass and a is acceleration.

From the question above, we know that:

q1 = q2 = e = 1.602176634×10‾¹⁹ C

k = 8.988×10⁹ N⋅m²⋅C‾²

m = 1.673 x 10‾²⁴ kg

d = 7 x 10‾³ m

By combining these equations, we get

F = Fc

m.a = k.q1.q2 / d²

a = k.e² / m.d²

Substitute the parameter

a = 8.988×10⁹ . (1.6×10‾¹⁹)² / ( 1.673 x 10‾²⁴ . ( 7 x 10‾³ )² )

a = 2.806 m/s²

Hence, the acceleration of the proton by using Coulomb's law is 2.806 m/s²

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Answer:

yes it does

Explanation:

andromeda is another galaxy heading towards us. this proves that it didnt all happen with just one point growing larger.

plz give brainliest

Answer:

No, due to Neighboring galaxies being normal in the universe. This happens due to gravitational attractions of each galaxy. The big bang theory clearly states that the universe started with a intensily hot point that expaded and created cosoms and more. The Andromeda and Milky Way galaxy are being attracted to each other due to their density. Density is a big role in this explation due to density helping create gravitational pulls/fileds.

dExplanation:

Fireworks effects are made by combining various chemical compounds and powders in specific configurations to produce a wide range of colors, shapes, and patterns.

The specific ingredients and configurations used can vary depending on the desired effect, but some common techniques and ingredients used in making fireworks include:

   Color production: Different metal salts are used to produce specific colors when they burn. For example, strontium produces red, copper produces blue, and barium produces green.

   Sparkling effects: Aluminum or magnesium powder can be added to create sparkling or glittering effects.

   Whistling or popping effects: Salts such as potassium benzoate or potassium oxalate can be used to create whistling or popping sounds.

   Smoke effects: Chemicals such as titanium dioxide or zinc oxide can be used to produce smoke or haze effects.

   Shaped charges: Fireworks can be shaped in various configurations to produce specific shapes or patterns, such as stars, flowers, or hearts.

To create a specific effect, the different chemicals and powders are carefully combined and packed into the firework's shell. The shell is then ignited, which ignites the chemicals inside and produces the desired effect.

Fireworks displays often involve a combination of different effects and colors, which are choreographed to music or other audio cues. The result is a dazzling and dynamic visual spectacle that is enjoyed by millions of people around the world for various celebrations and events.

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Frozen preparations such as ice cream, sorbet, gelato, granite can be melted and refrozen, except gelato which cannot be melted and refrozen. This is because the ice cream, sorbet, and granite all contain a high content of fat which allows them to melt and refreeze successfully without becoming damaged.

However, the process of freezing the gelato forms tiny ice crystals, which provide its unique texture. If gelato is melted, it will lose its texture and will not re-freeze successfully.A gelato is a dense Italian ice cream that has a creamy texture and has a lower fat content than traditional ice cream. It is made by mixing milk, sugar, and flavorings, such as nuts or chocolate, and then churned to incorporate air into the mixture.

So, the ice cream, sorbet, and granite all contain a high content of fat which allows them to melt and refreeze successfully without becoming damaged.

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The decrease in pressure over a liquid from 200 torr to 190 torr at 25°C will result in a decrease in its vapor pressure.

Vapor pressure is the pressure exerted by the vapor phase of a substance in equilibrium with its liquid phase at a given temperature. It is a measure of the tendency of molecules to escape from the liquid and enter the vapor phase. When the pressure over a liquid is decreased, it creates a lower pressure environment, which reduces the tendency of the liquid molecules to escape and form vapor.

As a result, the vapor pressure of the liquid decreases. In this case, the initial vapor pressure of the liquid at 25°C is 200 torr. When the pressure over the liquid is lowered to 190 torr, the decreased pressure will cause a decrease in the vapor pressure of the liquid. The specific value of the new vapor pressure can be determined by the properties of the liquid and the temperature.

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Answer:

The kinetic energy (K) of an object is given by the equation:

K = 1/2 mv^2

where m is the mass of the object and v is its velocity.

Plugging in the values given, we get:

K = 1/2 (30 kg) (5 m/s)^2

K = 1/2 (30) (25)

K = 375 J

Therefore, the girl's kinetic energy is 375 joules.

Explanation:

\(\boxed{\boxed{\sf CH_4+2O_2}\longrightarrow \boxed{\sf CO_2+2H_2O}}\)

Answer:  win it no bouncing

Explanation:

When Photons of wavelength 0.024 a are incident on free electrons, the wavelength of a photon which is scattered 30° is 0.0576 x \(10^{-11}\) and for the one scattering at 120° is 0.38 x  \(10^{-11}\) A.

The incident photon’s energy is equal to the scattered photon’s energy minus the total of the recoil electron’s kinetic energy and binding energy.

Compton scattering causes the loss of an electron and ionization of the absorbing atom, just like photoelectric absorption does.

After the scattering event and before, the photon’s wavelength varies by ∆λ = (h/mc) (1-cosφ). Here, c is the speed of light, m is the rest mass of the electron, and is the angle at which the photon is scattered. H is the Planck constant.

Given photon wavelength λ = 0.024A

φ = 30°

From the Compton effect we know that

∆λ = λ1 - λ = h/mc (1-cosφ)

λ1 = \(\frac{6.62*10^{-34}}{9.1}\) x \(10^{-3}\) x 3 x \(10^{8}\) (1- cos30°) + 0.024A

= 0.0576 x \(10^{-11}\) A

And then calculating the same for

φ = 120°

we get,

λ1 = 0.38 x  \(10^{-11}\)A

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Complete Question

Photons of wavelength 0.024A are incident on free electrons.

(a) Find the wavelength of a photon which is scattered 30° from the incident direction and the kinetic energy imparted to the recoil electron

(b) Do the same if the scattering angle is 120°.

The correct answer is a. 10 km/h.

b. The boat would move at 10 km/h at a 37-degree upstream angle to cross straight (into the current)

To be more precise, the rate of change in an object's position relative to a frame of reference and time is another way to describe velocity. It determines how quickly or slowly something is going. Consider a scenario in which there are two moving items. If both items are going in the same direction, it is simple to determine which one is moving faster than the other.

v = √v_x^2 +v_y^2

v = √((8 km/h)^2 + (6 km/h)^2)

=10 km/h

direction = θ = tan^-1 (opposite / adacrent)

= tan^-1 (6/8)

= tan^-1 (37)

= 37 degree down stream.

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Answer:

Hello, I'm here to help you.

↬ 78%

Explanation:

↬ Think that about 70% of the area of the earth is covered by the ocean.

↬ So the precipitation that falls on it is a smiliar percentage.

The vertical component of the ball's velocity is 24.9 m/s, and the horizontal component is 60.1 m/s.

To determine the vertical and horizontal components of the ball's velocity, we can use trigonometry. The initial velocity of the ball can be broken down into its vertical and horizontal components.

The vertical component of velocity can be found using the formula: V_vertical = V_initial * sin(theta), where V_initial is the initial velocity and theta is the angle of projection.

In this case, V_initial is 40 m/s and the angle is 22.5°. Plugging in these values, we get: V_vertical = 40 m/s * sin(22.5°) ≈ 24.9 m/s.The horizontal component of velocity can be found using the formula: V_horizontal = V_initial * cos(theta), where V_initial is the initial velocity and theta is the angle of projection.

Plugging in the values, we get: V_horizontal = 40 m/s * cos(22.5°) ≈ 60.1 m/s. Therefore, the vertical component of the ball's velocity is approximately 24.9 m/s, and the horizontal component is approximately 60.1 m/s. Option (a) - 24.9 m/s, 60.1 m/s - represents the correct answer.

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The Heisenberg Uncertainty Principle is a relationship between certain types of physical variables like position and momentum, which roughly states that you can never simultaneously.

∆x∆mv ≥ h/4π

The difficulties do the uncertainty principle cause in trying to pick up an electron with a pair of forceps are -

1. So, When the electron is picked by the forceps, the position of the electron is ``localized’ (or fixed), this will render the momentum (P) and uncertainty principle  will make it highly uneffective.

2. It will also shake the electron furiously against the forceps tips that tries to hold the electron tightly.

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Answer:

4.2 km West of the start

Explanation:

Displacement is a vector quatitiy which means it has direction adn magnitude. It is the distance you are at the very end of the journey from the start.

We can assign one way as a positive direction and the other a negative and then add them

I will say that West is positive and East is negative:

(10.9) + (-6.7) = 4.2km