Explain the force responsible for the formation of our solar system.

Answer:

\(\boxed {\boxed {\sf 1,881, 600 \ Joules}}\)

Explanation:

Potential energy is the product of mass, gravitational acceleration, and height.

\(E_p= mgh\)

The mass is 1600 kilograms and the height is 120 meters. Assuming this is on Earth, then the gravitational acceleration is 9.8 meters per square second.

\(m= 1600 \ kg\\g= 9.8 \ m/s^2 \\h= 120 \ m\)

Substitute the values into the formula.

\(E_p= ( 1600 \ kg )( 9.8 \ m/s^2)( 120 \ m)\)

Multiply the first two numbers.

\(E_p= 15680 \ kg*m/s^2 (120 \ m )\)

Multiply again.

\(E_p= 1881600 \ kg*m^2/s^2\)

\(E_p= 1881600 \ J\)

The train's potential energy is 1,881,600 Joules.

Answer:

2

Explanation:

please mark me as brainlist i need it so sorry

With 20 windings, the generator will produce a higher EMF and, consequently, a larger current. This increased current will provide more power to the light bulb, resulting in a brighter illumination compared to the dim illumination observed with only 5 windings.

When you increase the number of wire windings in the generator from 5 to 20, the effect on the light bulb will be a brighter illumination. The brightness of the light bulb is directly proportional to the number of windings in the generator.

By increasing the number of windings, you are increasing the amount of wire wrapped around the magnet. This results in a higher number of turns per unit length, leading to an increased magnetic flux passing through the wire coils.

According to Faraday's law of electromagnetic induction, a change in magnetic flux induces an electromotive force (EMF) in a conductor, which in this case is the copper wire. The induced EMF causes electric current to flow through the wire, creating a flow of electrons.

The 30-W light bulb requires a certain amount of electrical power to produce its specified brightness. With 20 windings, the generator will produce a higher EMF and, consequently, a larger current. This increased current will provide more power to the light bulb, resulting in a brighter illumination compared to the dim illumination observed with only 5 windings.

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Answer: its the answer because if its not the the answer would be wrong

Explanation: you have to go and do the answer like this and then the answer is correct because its not the wrong one this is the way how to do it or else its wrong

Answer:

The frequency of the beats heard by the pedestrian is 9.33 Hz

Explanation:

Frequency of the two cars, F = 800 Hz

speed of sound in air, V = 343 m/s

The sound wave length, λ = ?

λ = V / F

λ = 343 / 800

λ = 0.42875 m

The frequency of the car moving at 25 m/s heard by the pedestrian

f₁ = v₁ / λ

f₁ = 25 / 0.42875

f₁ = 58.31 Hz

The frequency of the car moving at 21 m/s heard by the pedestrian

f₂ = v₂ / λ

f₂ = 21 / 0.42875

f₂ = 48.98 Hz

The beat frequency  = f₁ - f₂

                                  = 58.31 - 48.98

                                  = 9.33 Hz

Therefore, the frequency of the beats heard by the pedestrian is 9.33 Hz

Answer:

Tribal governments were much smaller and were usually more local. Anyone could have a voice in making political decisions. In most cases, important decisions were made by majority rule. This means that the group would take a vote. The decision that got the most votes would win.

Tribal leadership was local too. It depended mostly on a person’s wisdom and skills. As a result, leaders changed frequently. Some tribes chose one chief to lead in peacetime and another to lead during war. Custom and tradition governed the people’s actions, not written laws.

Explanation:

This is what i used for my DBA hope its helps you!

(on FLVS btw)

The depth of the Pacific Ocean with a pressure three times the atmospheric pressure is 30.98 meters.

The pressure is defined as the normal force applied on the surface. The pressure is the ratio of the normal force to the area of the applied surface.

Given that for the depth of the Pacific Ocean with pressure 3X atmospheric pressure.

The depth of water will be calculated by the formula from the concept of Hydrostatic pressure is,

P = ρ x g x h

The pressure is three times the atmospheric pressure,

P = 3 Patm

The depth will be calculated as:-

3Patm = 1000 x 9.81 x h

h = ( 3 x 101325 ) / ( 9810 )

h = 30.98 meters

The depth of the Pacific Ocean with pressure three times atmospheric pressure will be 30.98 meters.

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Answer:

Christianity is an Abrahamic, monotheistic religion based on the life and teachings of Jesus, Christians believe that God created the Earth and everything that lives on it.

Explanation:

Or something related like this but the point is christianity was based in the belief of god and spread it by their words and the methods they had.

Answer:

30.3 meters, 172 degrees.

Explanation:

When an object is traveling at a constant speed, the acceleration is 0 m/s².

If an object covers an equal amount of distance in equal interval of time, then the body is said to be moving at a constant speed.

F - ff = ma

where;

During constant speed, acceleration = 0

Thus, when an object is traveling at a constant speed, the acceleration is 0 m/s².

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NASA uses centrifuges to simulate the forces astronauts' bodies feel during a launch, and it does this by placing them in a pod near the outer edge of the centrifuge, which spins around and can simulate the equivalent of several times the gravitational acceleration g via centripetal force.

To simulate 5g, assuming the radial distance from the centrifuge's axis of rotation to the pod is 8.00 m,The formula for the centripetal acceleration is:a = v^2/r where v is the tangential velocity, and r is the radial distance between the pod and the axis of rotation.

The tangential velocity is proportional to the angular velocity, ω.

Therefore, the tangential velocity is:v = ωrThe period of rotation, T, is related to the angular velocity by:ω = 2π/T

The centripetal acceleration can be rewritten as:

\(a =\frac{ (ωr)^2}{r} = ω^2r\)

Therefore,a

\(= (ω^2)r =\frac{ v^2}{rT^2}\)

= \(\frac{4π^2r}{v^2}\)

\(=\frac{ 4\pi^2r}{ω^2r}\)

\(= \frac{x4\pi^2}{ω^2T^2 }\)

= \(\frac{4\pi^2}{ω^2}\)

= \(\frac{4\pi^2r}{(ωr)^2}\)

= \(\frac{4\pi^2r}{v^2}\)

Substituting for ω and r,

\(T^2 = \frac{4\pi^2r}{(ωr)^2}\)

\(=\frac{ 4\pi^2r}{v^2}\)

\(= \frac{4\pi^2r}{(ωr)^2T^2}\)

= \(\frac{4\pi^2r}{(4\pi^2g)}\)

rT^2 = 1/gT = sqrt(1/g) * rT = sqrt(1/9.8) * 8.00mT = 0.45 seconds

Therefore, to simulate 5g, the time for one rotation required is 0.45 seconds.

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The bird remains at rest for 3.0 seconds, so its velocity is 0 m/s and displacement is also 0 m.

What is velocity?

To create the graphs, we need to first calculate the bird's motion parameters:

Initial velocity, u = 0 m/s

Final velocity, v = 4.0 m/s [E]

Time taken, t = 8.0 s

Acceleration, a = (v - u) / t = (4.0 - 0) / 8.0 = 0.5 m/s²

Displacement, d = ut + (1/2)at² = 0 + (1/2)(0.5)(8.0)² = 16.0 m

After this, the bird remains at rest for 3.0 seconds, so its velocity is 0 m/s and displacement is also 0 m.

Then, the bird starts moving again with a velocity of 3.0 m/s [W] and takes 5.0 seconds to reach this velocity. Therefore, its acceleration is:

Initial velocity, u = 0 m/s

Final velocity, v = 3.0 m/s [W]

Time taken, t = 5.0 s

Acceleration, a = (v - u) / t = (3.0 - 0) / 5.0 = 0.6 m/s²

Displacement, d = ut + (1/2)at² = 0 + (1/2)(0.6)(5.0)² = 7.5 m [W]

Using this information, we can create the required graphs:

These graphs are shown in below image.

A Position-time graph shows that the bird starts from the nest, moves 16.0 m to the east, remains there for 3.0 s, and then moves 7.5 m to the west.

The Velocity-time graph shows that the bird starts from rest, reaches a velocity of 4.0 m/s [E] in 8.0 s, remains at rest for 3.0 s, and then reaches a velocity of 3.0 m/s [W] in 5.0 s.

An Acceleration-time graph shows that the bird has an acceleration of 0.5 m/s² [E] from 0 to 8.0 s, no acceleration from 8.0 to 11.0 s (remains at rest), and an acceleration of 0.6 m/s² [W] from 11.0 to 16.0 s.

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Answer:

the volocity is 50

Explanation:

Gay-Lussac's law of volume states that for a fixed mass of an ideal gas kept at a fixed pressure, the volume and temperature are directly proportional.

This means that if the temperature of a gas is increased, its volume will also increase, and vice versa.

The reason for Gay-Lussac's law of volume is that the average kinetic energy of the gas molecules is directly proportional to the temperature. As the temperature increases, the molecules move faster and collide with the walls of the container more often. This causes the pressure to increase. However, if the pressure is kept constant, the increase in pressure will cause the volume to increase.

Gay-Lussac's law of volume can be expressed mathematically as follows:

V₁ / T₁ = V₂ / T₂

where:

V₁ = initial volume of the gas

T₁ = initial temperature of the gas

V₂ = final volume of the gas

T₂ = final temperature of the gas

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Gay-Lussac's Law of Volume provides a useful relationship between the volumes of reactant and product gases, allowing for predictions and calculations in chemical reactions involving gaseous substances.

Gay-Lussac's Law of Volume, also known as the Law of Combining Volumes of Gases, states that "the volumes of gases involved in a chemical reaction at constant temperature and pressure are in the ratio of small whole numbers."

Reason for Gay-Lussac's Law of Volume

1. Avogadro's Law: According to Avogadro's Law, equal volumes of gases at the same temperature and pressure contain an equal number of particles (atoms, molecules, or ions). This law established the concept of the mole, which is a unit of measurement representing a fixed number of particles. Since the number of particles is the same, the volume occupied by these particles should also be the same.

2. Stoichiometry: Chemical reactions involve the rearrangement of atoms and molecules to form new substances. The coefficients in a balanced chemical equation represent the relative amounts of reactants and products. In the gaseous state, these coefficients can be directly related to the volumes of the gases involved. For example, if the balanced equation shows that two volumes of gas A react with three volumes of gas B to form four volumes of gas C, it implies that the gases react in simple volume ratios.

3. Gas Behavior: Gases follow certain ideal gas laws, such as Boyle's Law (pressure-volume relationship), Charles's Law (temperature-volume relationship), and Gay-Lussac's Law (pressure-temperature relationship). These laws describe how the physical properties of gases change under different conditions. Gay-Lussac's Law of Volume specifically relates the volumes of gases involved in a chemical reaction and shows that the volumes are proportional to each other.

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Answer: 1160 m

Explanation:

Speed = distance / time. Therefore, 40 m/s = d / 29 s → d = 1160 m.

Answer:

a) 3.36 sec

b) 23.9 m/s

c) 1.52 sec

Explanation:

maximum height

H = 25 +v_y^2/2g

H=25+9^2/2*9.81 =29.13 m

time taken to reach maximum height = t_1 =v_y/g = 9/9.81 =0.92 seconds

time taken to fall back to ground from maximum height = √(2gH)/g

= √(2*9.81*29.13)/9.8 = 2.439 seconds

a) Total time taken to reach ground T = t_1+t_2 =0.92+2.439=3.36 sec

b) objects final speed = √2gH = 23.9 m/s

c) let total time be t then

25 = 9t +0.5gt^2

Solving we get t= 1.52 seconds

a) The object will take a time of 3.355 seconds to reach the ground.

b) The final velocity of the object as it impacts the ground is -23.902 meters per second.

c) The object will take a time of 1.520 seconds to reach the ground.

a) The height of the object (\(h\)), in meters, as a function of time (\(t\)), in seconds, is described below:

\(y = y_{o} + v_{o}\cdot t + \frac{1}{2}\cdot g \cdot t^{2}\) (1)

Where:

Now we proceed to determine the time needed for the object to reach the ground: (\(y_{o} = 25\,m\), \(y = 0\,m\), \(v_{o} = 9\,\frac{m}{s}\), \(g = -9.807\,\frac{m}{s^{2}}\))

\(-4.904\cdot t^{2}+9\cdot t +25 = 0\) (2)

Then, we solve this second order polynomial by quadratic formula:

\(t_{1} \approx 3.355\,s\), \(t_{2} \approx -1.520\,s\)

Only the former solution offers a realistic indicator. Hence, we conclude that the object will take a time of 3.355 seconds to reach the ground.

b) The final velocity of the object (\(v\)), in meters per second, is determined by this expression:

\(v = v_{o}+g\cdot t\) (3)

Now we proceed to find the final velocity of the object as it impact the ground: (\(v_{o} = 9\,\frac{m}{s}\), \(g = -9.807\,\frac{m}{s^{2}}\), \(t \approx 3.355\,s\))

\(v = 9+(-9.807)\cdot (3.355)\)

\(v = -23.902\,\frac{m}{s}\)

The final velocity of the object as it impacts the ground is -23.902 meters per second. \(\blacksquare\)

c) In this part we shall apply the same approach in a), that is: (\(y_{o} = 25\,m\), \(y = 0\,m\), \(v_{o} = -9\,\frac{m}{s}\), \(g = -9.807\,\frac{m}{s^{2}}\))

\(-4.904\cdot t^{2}-9\cdot t +25 = 0\)

Then, we solve this second order polynomial by quadratic formula:

\(t_{1} \approx 1.520\,s\), \(t_{2} \approx -3.355\,s\)

Only the former solution offers a realistic indicator. Hence, we conclude that the object will take a time of 1.520 seconds to reach the ground.

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Explanation:

The spoon is raised so it gains Gravitational potential energy. Formula to find Gravitational potential energy;

Gravitational potential energy = mass × Gravitational field strength × height of the body from the surface (table in this scenario)

In symbols; E = m×g×h

Substitute values:

m = 30g = 0.03kg (don't forget to convert grams to kg)

g = 10N/kg

h = 0.210 m

So it's;

0.03kg × 10N/kg × 0.210m = 0.063 Joules

SI Unit of energy is joules

Answer:

3 hrs

Explanation:

the distance covered by victor= 210 km

speed= 70 km/hrs

so, 70×3= 210

so the answer is 3 hrs

BTW im a small kid so don't just right away say the explanation sucks and the subject physics is not yet started in my grade.

edit: don't give me brainless answer plz.

Without the figure, it's difficult to determine the correct ranking of the systems in order of most stored elastic potential energy to least stored. The ranking would depend on the specific masses of the blocks and the displacement of the spring(s) in each system. The spring constant (k) is the same in all systems, so it does not affect the ranking.

In general, the system with the greatest stored elastic potential energy will be the one in which the spring(s) is most stretched or compressed. The more the spring(s) is stretched or compressed, the more potential energy it has stored. The mass of the block will also affect the amount of stored energy, as a heavier block will stretch or compress the spring(s) more than a lighter block.

Without the exact information about the masses and the displacement of the springs, It's not possible to determine the ranking of the systems.

The frequency at which the capacitive reactance is 375 ω and the Capacitance of 3.25 μF is 131 s⁻¹.

Capacitance is the ability or capacity of the substance to collect and store electrical energy and the unit of capacitance is Farad (F). Capacitive reactance is the term that measures the opposition to current flow in the AC circuits and the unit of capacitive reactance is the ohm(Ω).

From the given,

The capacitive reactance (Xc) = 375ω

capacitance (C) = 3.25μF

capacitive reactance Xc = 1/(2π×f×C)

Frequency (f) = 1/(2π×Xc×C)

                     = 1/(2×3.14×375×3.25×10⁻⁶)

                     = 131 s⁻¹.

Thus, the frequency of the capacitive reactance is 131 s⁻¹.

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Using the periodic table Calcium (Ca)  is most likely to form a positive ion.

Ion is a type of particle that has an electric charge. It can be positively or negatively charged, depending on its atomic structure and the number of protons and electrons it contains. Positively charged ions are called cations and negatively charged ions are called anions. Ions play an important role in a variety of physical and chemical processes, such as forming ionic bonds, allowing substances to dissolve in water, and carrying electrical current in solutions. They are also important in the formation and stability of molecules, as well as in the formation of compounds and minerals.

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Answer:

From the power source we have to buy only energy.

Explanation:

Energy is released when an electron loses potential energy as a result of the transfer from higher state to lower state.

Electricity is the movement of electrons between atoms and it doesn't means we can isolate the electrons from the atom and sell it. It remains the part of atom and hence only energy can be purchase form the power company.

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An alkyl group is named according to the number of c atoms it contains. an alkyl group with three carbon atoms joined in a straight chain is called whereas a methyl group has one carbon atoms.

In organic chemistry, a carbonyl group is a divalent chemical compound made composed of two oxygen atoms (O) joined by a double bond. It is the distinctive functional group (reactive group) of aldehydes and ketones, and it is a component of carboxylic acids, esters, anhydrides, acyl halides, amides, and quinones. Together, carbonyl compounds include carboxylic acids (and their derivatives), aldehydes, ketones, and quinones. One of the most prevalent structural components of organic molecules is the methyl group, which is made up of three hydrogen atoms bound to a carbon atom, which is then connected to the rest of the molecule. In numerous chemical processes, the methyl radical, methyl cation, and methyl anion are temporary intermediates.

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Answer:

T = 56.11 N

Explanation:

Given that,

The equation of a wave is :

y = 0.08 sin(469t – 28.0x),

where x and y are in meters and t is in seconds

The linear mass density of the wave = 0.2 kg/m

The speed of wave is given by :

\(v=\sqrt{\dfrac{T}{\mu}}\)

Also,

\(v=\dfrac{\omega}{k}\)

We have,

\(k=469\ and\ \omega=28\)

Put all the values,

\(\dfrac{\omega}{k}=\sqrt{\dfrac{T}{\mu}}\\\\(\dfrac{\omega}{k})^2=\dfrac{T}{\mu}\\\\T=(\dfrac{\omega}{k})^2\times \mu\)

Put all the values,

\(T=(\dfrac{469}{28})^2\times 0.2\\\\T=56.11\ N\)

So, the tension in the string is 56.11 N.

Answer:

Explanation:

Velocity is the change in displacement of a body with respect to time.

Velocity - Displacement/time

Given

displacement = 76km

Time = 3hours

Substitute the given parameters into the formula;

Velocity = 75km/3hrs

Velocity = 25km/hr

Hence the velocity of the narwhal is 25km/hr

Answer:

32.812m/s

Explanation:

Now the time of the projectile motion is given by;

t = usinA/ g

Where A is angle =49°

u is initial velocity,u = 18.7m/s

Hence t = 18.7 ×sin49°/ 9.8 = 1.44s

The final velocity from Newton's law V = U + gt

= 18.7 + (9.8 ×1.44)= 32.812m/s

Answer:

i actually dont know im so sorry but i will keep trying to find the answerr

Answer:

Acceleration due to gravity of Mars

Explanation: