why is it not possible for an object to have forces acting upon it in non opisate derections and equal to zero

Answer:

Charge quantization is the principle that the charge of any object is an integer multiple of the elementary charge.

Explanation:

The energy released in the fusion reaction can be calculated using Einstein's mass-energy equivalence principle (E=mc²). The main answer is: The energy released in the fusion reaction is 17.6 MeV.

To calculate the energy released, we need to determine the mass defect (∆m) between the initial and final nuclei. The mass defect is the difference in mass between the reactants and the products. In this case, the mass defect is the mass of the initial nuclei minus the mass of the final nuclei.

The mass of 21H (deuterium) is 2.01410178 atomic mass units (amu), and the mass of 31H (tritium) is 3.016049 amu. The mass of 42He (helium) is 4.002603 amu, and the mass of 10n (neutron) is 1.008665 amu.

Calculating the mass defect:

∆m = (mass of initial nuclei) - (mass of final nuclei)

= (2.01410178 + 3.016049) - (4.002603 + 1.008665)

= 5.030150 - 5.011268

= 0.018882 amu

Now, we can use Einstein's equation E=mc² to calculate the energy released:

E = ∆m * c²

= 0.018882 amu * (931.5 MeV/amu)

≈ 17.6 MeV

Therefore, the energy released in the fusion reaction is approximately 17.6 million electron volts (MeV).

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Answer:

Explanation:

An atom losses or gains electrons to fill the outermost shell. In this process , ionic bonds are formed. Chemical bonds are formed when electrons are shared.

The equivalent resistance of the 3.89 Ω, 7.75 Ω, and 9.05 Ω resistors connected in series with a 12.0 V battery is 20.69 Ω.

The equivalent resistance of resistors connected in series is equal to the sum of the resistance of each resistor. Therefore, the equivalent resistance is: R = 3.89 Ω + 7.75 Ω + 9.05 Ω = 20.69 Ω

So, the equivalent resistance of the 3.89 Ω, 7.75 Ω, and 9.05 Ω resistors connected in series with a 12.0 V battery is 20.69 Ω.

The equivalent resistance of an electrical circuit refers to the single resistance that would have the same effect as the combination of multiple resistors in the circuit. It is a measure of the total opposition to current flow in the circuit. The equivalent resistance can be found by using various methods such as series, parallel, and combination circuits. The equivalent resistance of a circuit depends on the individual resistances, the connections between them, and the voltage and current in the circuit.

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when the astronaut arrives back on Earth, he will be approximately 40 years old.

To solve this problem, we can use the concept of time dilation in special relativity.

Given that the astronaut travels to a planet 10 light-years away and it takes 20 years on Earth for him to reach there, we can calculate his speed. Since the distance is 10 light-years and the time taken is 20 years, we can divide the distance by the time to find the speed.

Speed = Distance / Time
Speed = 10 ly / 20 years
Speed = 0.5 ly/year

Now, the astronaut turns around and comes back to Earth at the same speed. This means that for the return journey, he will also take 20 years on Earth.

Since the total time taken for the round trip is 20 + 20 = 40 years on Earth, we can calculate how much time has passed for the astronaut during this period using time dilation.

According to time dilation, the time experienced by the moving object (the astronaut) is dilated or stretched relative to the stationary observer (Earth). The time dilation factor can be calculated using the formula:

Time dilation factor = 1 / √(1 - (v^2 / c^2))

Where v is the speed of the astronaut and c is the speed of light (approximately 300,000 km/s).

Plugging in the values:

Time dilation factor = 1 / √(1 - (0.5^2 / (300,000^2)))
Time dilation factor ≈ 1 / √(1 - 0.00000000333)
Time dilation factor ≈ 1 / √0.99999999667
Time dilation factor ≈ 1 / 0.999999998335
Time dilation factor ≈ 1.000000001665

Now, we can calculate the time experienced by the astronaut during the round trip:

Time experienced by the astronaut = Time dilation factor * Time on Earth
Time experienced by the astronaut = 1.000000001665 * 40 years
Time experienced by the astronaut ≈ 40.0000000666 years

Therefore, when the astronaut arrives back on Earth, he will be approximately 40 years old.

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Answer:

i can see your question

pls fast

Total Cost is =  $107,380 if The farm is 340 acres and had corn planted  add fertilizer to the soil before you plant this years' crop.

A fertiliser is a natural or artificial substance containing chemical elements (such as Nitrogen (N), Phosphorus (P) and Potassium (K)) that improve growth and productiveness of plants. Some synonyms include the terms "enrichment" or "plant nutrient".

Without fertilizers, nature struggles to replenish the nutrients in the soil. When crops are harvested, important nutrients are removed from the soil, because they follow the crop and end up at the dinner table. If the soil is not replenished with nutrients through fertilizing, crop yields will deteriorate over time.

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     We see something as white, black, or another specific color because the object is reflecting light waves back.

     In a nutshell; If we view an object as red, then the object is:

-> reflecting back red light waves

-> absorbing blue, green, etc light waves.

    What about white and black?

We see white when most all of the light is reflected.

When there is little to no light reflected, we see black.

Answer:

When nearly all light is reflected, you see white. When no light is reflected, you see black.

Explanation:

To find out how many degrees a point on the edge of the wheel moves in seconds, we need to calculate the angular speed.

A wheel rotating 720 times per minute means that it completes 720 revolutions in one minute. A point on the edge of the wheel moves 4320 degrees in one second.
To do this, we can convert the 720 revolutions per minute into revolutions per second. Since there are 60 seconds in a minute, we divide 720 by 60 to get 12 revolutions per second.

Next, we need to convert the revolutions into degrees. Since there are 360 degrees in a full revolution, we multiply the number of revolutions (12) by 360 to get 4320 degrees per second.
Therefore, a point on the edge of the wheel moves 4320 degrees in one second.
In summary, a point on the edge of the wheel moves 4320 degrees in one second when the wheel is rotating 720 times per minute.

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Answer:

0.22 km/h

Explanation:

72 hours in 3 days

16/72 = 0.222222222

round to 0.22 km/h

For future reference, Distance/Time= Speed

Answer: Gamma rays (violet) have the shortest wavelengths and the highest frequencies.

Explanation: The wavelength of the gamma rays is less than 0.01 nanometers. The frequency of a wave is inversely proportional to its wavelength. That means that waves with a high frequency have a short wavelength, while waves with a low frequency have a longer wavelength.

The electromagnetic waves have the shortest wavelength and the highest frequency is Gamma rays (violet).

Gamma radiation, from gamma rays (γ), is a type of electromagnetic radiation usually produced by radioactive elements. Gamma rays, due to their high energy, are able to penetrate matter more deeply than alpha or beta radiation.

Gamma ray is a type of high frequency electromagnetic radiation usually produced by radioactive elements.

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Answer:

A? what do you mean? ahhahhhhahhahahahahahahahhahahahahaaa

The value of the charge will be 7.69 ×10⁻⁵ C. When the matter is subjected to an electromagnetic field, it acquires an electric charge, which causes it to experience a force.

Electric potential is the amount of work needed to move a unit charge from a point to a specific point against an electric field.

The given data in the problem is;

\(\rm E_p\) is the electric potential energy = 0. 025 J

V is the electric potential = 325 V

Q is the charge =?

Electric potential energy is the product of the charge and the voltage. So the value of the charge is given as;

\(\rm E_p= Q \times V \\\\ \rm Q= \frac{ E_p}{V} \\\\ Q= \frac{ 0.025}{325} \\\\ \rm Q = 7.69 \times 10^{-5} \ C\)

Hence the value of the charge will be 7.69 ×10⁻⁵ C.

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The statement "Gas tungsten arc welding was developed to weld magnesium and aluminum on world war ii fighter planes" is a TRUE statement.

Gas tungsten arc welding (GTAW), also known as tungsten inert gas (TIG) welding, was developed in the 1930s and 1940s to weld magnesium and aluminum on World War II fighter planes. This welding process uses a non-consumable tungsten electrode, an inert gas (usually argon), and a filler metal to create strong and precise welds.

GTAW is most commonly used to weld thin sections of stainless steel and non-ferrous metals such as aluminum, magnesium, and copper alloys. The process grants the operator greater control over the weld than competing processes such as shielded metal arc welding and gas metal arc welding, allowing for stronger, higher quality welds.

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The amount of dots corresponds to the atom's number of valence electrons. With no more than two dots on a side, these dots are positioned above, below, and to the right and left of the symbol.

Step 1: Finding the total amount of valence electrons is the first step. Step 2: Outline the molecule's skeletal structure. Step 3: Form each bond in the skeletal structure using two valence electrons.

Four bonds are created by the four valence electrons that make up carbon. As a result, carbon has four dots surrounding it.

Lewis structures are diagrams that show the valence electrons of atoms within a molecule. They are often referred to as Lewis dot structures or electron dot structures. The valence electrons of atoms and molecules, whether they reside as lone pairs or within bonds, can be seen using these Lewis symbols and structures.

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When the carbon reacts with bromine, electrons are shared between the bromine atoms and the carbon atoms to form a covalent compound. Therefore, option (C) is correct.

In a covalent compound, the formation of a covalent bond involves the mutual sharing of electrons between the two atoms that can hold all biomolecules together.

A covalent bond can be described as a chemical bond formed by sharing of electrons to form electron pairs between atoms. The stable attractive and repulsive forces between atoms are known as covalent bonding.[1] The sharing of electrons permits each atom to get the equivalent of a full valence shell and stable electronic configuration.

The carbon reacts with bromine to form the compound carbon tetrabromide CBr₄.

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Answer:

Do you have the fomular send please so I can work on it

Answer:

it's true I'm pretty sure

Answer:

the answer is true.I'm sure

Answer:

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Answer:

500ms times 2 would be when the ball reaches the max horizontal distance.

Then to find the angle, use the formula of time to reach max height t = u sin theta / g . With t being the max height time 500ms, u being 10m/s

For initial vertical velocity just use u sin theta.

The max horizontal height is "10 meters" and the initial vertical velocity is "4.9 m/s".

Given:

Horizontal velocity,

Time,

At max height,

(a)

→ Time to flight (T) will be:

= \(2t\)

= \(2\times 0.5\)

= \(1 \ second\)

→ Horizontal distance will be:

= \(V_x\times T\)

= \(10\times 1\)

= \(10 \ meters\)

(b)

→ The initial vertical velocity will be:

\(V_{yf} = V_y +gt\)

   \(0 = V_y - 9.8\times 0.5\)

  \(V_y = 4.9 \ m/s\)

Thus the above answers are correct.

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The correct answer to question:

Explanation:

When g=a, that means everything on earth fall at the same rate.

As such, all objects free fall at the same rate regardless of their mass. Because the 9.8 N/kg gravitational field at Earth's surface causes a 9.8 m/s/s acceleration of any object placed there, we often call this ratio the acceleration of gravity.

When objects fall to the ground, gravity causes them to accelerate. Acceleration is a change in velocity, and velocity, in turn, is a measure of the speed and direction of motion. Gravity causes an object to fall toward the ground at a faster and faster velocity the longer the object falls.

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Answer:

no im in a rehab program so we eat the sam shi every day

Explanation:

brainlest?

Explanation:

During lockdown, I ate LOADS OF JUNK FOOD. TRUST ME!!

I gained 14 kg of weight and became 68 kg

just due to junk food.I am 13 btw and at that time I was 5 feet 4 so definitely fat. all those pizzas and burgers and all.then I realised that I have gained weight. I have to REDUCE MY WEIGHT. I am quite determined on what I say. it took me 3 months or so and I finally got back to my original weight. How? just by going for a stroll everyday, eating healthy and constantly working out. eating less is not the solution,eating less calories is the solution.Also, by eating healthy food,I grew taller. I am 5 feet 6 now. So yes, definitely it helps put alot and keep eating healthy food and you will definitely be healthy.

Thank You.

The chemical makeup of meteorites matches that of early solar system material, and their dates are consistent with the origin of the solar system.

Providing evidence that they are fragments of freshly fractured planetesimals. Diamonds that are believed to have developed under high pressure circumstances that are only feasible in a planetary body have also been discovered in some meteorites. Rock particles from space fall to Earth as meteorites. There are various pieces of evidence that point to their being fragments of recently split planetesimals. First, they closely resemble the chemical makeup of the early solar system material, proving that they formed alongside the planets and in the same location. Second, radiometric dating indicates that their ages are consistent with the solar system's creation. The smallest diamonds, which are found in some meteorites, are believed to have originated under the intense pressures that can only be encountered in a planetary body. All of these pieces of information point to the possibility that meteorites are the remains of planetesimals that broke apart during the formation of the solar system.

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The rotation of the electric motor in one direction is because the commutator frequently reverses the direction of the current in the loop of wire.

An electromagnet is a device which works on the principle of electromagnetism.

Electromagnetism is the force produced due to an interaction of the electric and magnetic fields.

An example of an electromagnet is the electric motor.

In an electromagnet, the rotation of the motor in one direction is because the commutator frequently reverses the direction of the current in the loop of wire.

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Electromagnet in a motor must rotate consistently in just one direction because of the movement of permanent magnet.

A Lorentz force is generated by the current and the magnetic flux of the permanent magnet in the same direction when the movement of the permanent magnet occur.

So we can conclude that Electromagnet in a motor must rotate consistently in just one direction because of the movement of permanent magnet.

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Multiple shadow regions can be observed in the wall behind the keyhole of a door. Option B is correct.

It is a phenomenon that happens when a wave (Light) is passed through a narrow aperture or a sharp edge, the light bends at the edges.

The light bends at the edges because the sharp edges have less diameter than the wavelength of light.

Therefore, multiple shadow regions can be observed in the wall behind the keyhole of a door.

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Answer: B) It spreads out into multiple shadow regions.

Explanation:

I got it right on edge

This is due to the fact that occluded fronts combine two cold air masses, which causes one of the cold air masses to go downward.

When a warm air mass is sandwiched between two cold air masses, an occluded front occurs. In an occlusion, the warm front passes over the cold front, which dives beneath it.

In a front is obscured, the warm front is fully supplanted by the cold front, in which the warm air masses have completely disappeared. Furthermore, there are frequent shifts in the various weather producing circumstances because of the cold front's relatively low temperature.

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Answer:

Explanation:

If Tim jogs a distance of 7.2 km to the west and then he turns south and jogs 1.4 km, the resultant displacement of Tim is calculated using the pythagoras theorem as shown;

R² = 7.2²+1.4²

R² = 51.84+1.96

R² = 53.8

R = √53.8

R = 7.33 km

Hence  the resultant of Tim's jog back to the beginning is 7.33km

Option C: 0.115 is the correct option.

The correct error between the thread plug gauge pitch diameter and the micrometer measurement is 0.115 mm.

Explanation:

In order to determine the correct error between the thread plug gauge pitch diameter and the micrometer measurement, we first need to calculate the difference between the two.

This will give us the error.

The formula we will use is:

Error = |Pitch Diameter - Micrometer Measurement|

Given that:

             Pitch Diameter = 22.35 mm

             Micrometer Measurement = 22.235 mm

Substituting the values, we get:

              Error = |22.35 - 22.235|

              Error = 0.115 mm

Therefore, the correct error is 0.115 mm.

Option C: 0.115 is the correct option. The correct error between the thread plug gauge pitch diameter and the micrometer measurement is 0.115 mm.

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To determine the speed of the 150 g ball in this scenario, we need to consider the principle of conservation of angular momentum. The angular momentum of a system is conserved when no external torques act on it.

In this case, since the balls are rotating about their center of mass with no external torques, the total angular momentum remains constant.The formula for angular momentum is given by:
Angular momentum (L) = Moment of inertia (I) * Angular velocity (ω)
The moment of inertia of a system of particles can be calculated as the sum of the individual moments of inertia. Assuming the balls are point masses rotating about an axis passing through their center of mass, the moment of inertia for each ball is given by:
Moment of inertia (I) = mass (m) * radius of rotation squared (r^2)
Since both balls are connected by a rigid rod and rotating about their center of mass, they have the same angular velocity (ω).
Given that the angular velocity is 140 rpm, we need to convert it to radians per second:
Angular velocity (ω) = 140 rpm * (2π radians / 1 minute) * (1 minute / 60 seconds)
Once we have the angular velocity and the moment of inertia for the 150 g ball, we can calculate its angular momentum. Since angular momentum is conserved, the angular momentum of the 150 g ball is equal to the initial angular momentum. Finally, we can rearrange the equation for angular momentum and solve for the speed (v) of the 150 g ball:
Angular momentum (L) = Moment of inertia (I) * Angular velocity (ω)
Linear momentum (p) = mass (m) * velocity (v)
Using these formulas, we can determine the speed of the 150 g ball in the given scenario.

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