Whatb19 ÷117= some help me with this

The mass of a pellet is 0.05 gram .

According to classical physics, an object's kinetic energy (KE) is determined by multiplying its mass by two and its velocity by two. The kinetic energy, for instance, is equal to 125 Joules, or (1/2 * 10 kg) * 5 m/s2, if an object having a mass of 10 kg (m = 10 kg) is traveling at a speed of 5 meters per second (v = 5 m/s).

An object possesses kinetic energy when it is in motion. A force needs to be applied if we want to accelerate an object. We must use effort to apply a force. Energy is transferred to the object after labor is completed.

KE = 1/2 mv^2

62.5 = 1/2 *m*50^2

m = 0.05g

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The number of electrons that could occupy the quantum states described by n = 4, ℓ = 1, and mℓ = −1 is 2.

(a) The quantum numbers given represent the 4p orbital. According to the Pauli exclusion principle, each orbital can accommodate a maximum of two electrons with opposite spins.

The number of electrons that could occupy the quantum states described by n = 4 and ℓ = 3 is 14.

(b) The quantum numbers given represent the 4f subshell. The number of orbitals in the 4f subshell is 7, and each orbital can accommodate a maximum of 2 electrons with opposite spins.

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Yes, some hydrogen atoms can escape the surface of the sun. This process is known as solar wind. Solar wind occurs when the high temperatures and intense radiation at the sun's surface cause some of the hydrogen atoms to become ionized and gain enough energy to escape the sun's gravitational pull.

These ionized hydrogen atoms, also known as protons, are then carried away by the sun's magnetic field into space. While the majority of the sun's hydrogen remains within its core, some does escape and contributes to the solar wind.

The solar wind can have a significant impact on space weather and can even affect Earth's magnetic field and atmosphere.

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Answer:

(D)  Cosmic background radiation in space is thought to be the left-over radiation from the original creation of the universe (Big-bang Theory)

это действие является рективным, формула которой такова: m1×v1 = – m2×v2

m1 - масса игрока

m2 - масса шайбы

v1 - скорость игрока

v2 - скорост шайбы.

отсюда, скорост игрокa: v1 = (m2×v2):m1 = 0.092 m/s

Answer:

Explanation:

4375J

480.0 Newtons force is required to lift a 49-newton object with an acceleration of 9.8 m/s2/. The explaination is mentioned below:

To calculate the amount of force required to lift a 49-newton object with an acceleration of 9.8 m/s2, we need to use the formula F = ma, where F is the force required, m is the mass of the object (in this case, 49 newtons), and a is the acceleration (in this case, 9.8 m/s2).
Plugging in the values, we get:
F = 49 x 9.8
F = 480.2 Newtons
Therefore, the amount of force required to lift a 49-newton object with an acceleration of 9.8 m/s2 is 480.2 Newtons.

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The Nutrition Facts panel must include the grams of monounsaturated fat, grams of total fat, and total calories from saturated fat.

a. The total calories from trans fat are not required to be included in the Nutrition Facts panel. Trans fat is listed separately under "Total Fat" and does not have its own specific calorie value.

b. The grams of monounsaturated fat are required to be included in the Nutrition Facts panel. Monounsaturated fat is a type of fat that is beneficial for health, and its quantity is provided to help consumers make informed choices.

c. The grams of total fat are required to be included in the Nutrition Facts panel. Total fat represents the sum of all types of fats present in the food product.

d. The total calories from saturated fat are required to be included in the Nutrition Facts panel. Saturated fat is a type of fat that is associated with an increased risk of certain health conditions, and providing the calorie value helps consumers monitor their intake.

Therefore, the Nutrition Facts panel must include b. grams of monounsaturated fat, c. grams of total fat, and d. total calories from saturated fat.

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Answer:

a.ionic bond is kinds of bonds make up a formula unit of sodium chloride.

Answer:

A

Explanation:

Answer:

12 kg m/s.

Explanation:

The momentum of an object is equal to its mass times its velocity. In this case, the mass of the golf ball is 0.05 kg and its velocity is 240 m/s, so the momentum of the golf ball is:

0.05 kg * 240 m/s = 12 kg m/s

So, the momentum of the golf ball moving at 240 m/s is 12 kg m/s.

Answer:0.563

Explanation:

The kinetic energy produced in a toy car is equal to 0.563 J.

The energy exhibited by a moving body because of its motion is said to be its kinetic energy. Work should be done which can change the kinetic energy of a moving object.

The kinetic energy of a moving object can be determined from the formula mentioned below:

K.E. = ½mv²     where ‘m’ and ‘v’ is the mass, velocity of the object.

Potential Energy (P.E.)is energy that is stored in an object due to its position and can be expressed as P.E = mgh where h, m, and g are the height, mass, and gravitational acceleration respectively.

Given, the mass of the toy car =, m = 0.500 Kg

The velocity of the toy car, v = 80 m/s

The kinetic energy = (1/2)× 0.500 ×(1.50)²

K.E. = 0.563 J

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To solve a line cut by a transversal, use the properties of parallel lines, such as corresponding angles and alternate interior angles, to find the unknown angle measurements.

When a line is cut by a transversal, a number of simultaneous equations can be formed by using the properties of parallel lines. For example, the corresponding angles of the lines will always be equal, the alternate interior angles will be equal, and the consecutive interior angles will add up to 180 degrees. Using these properties, you can identify the unknown angle measurements. For example, if the measure of one of the corresponding angles is known, the measure of the other corresponding angle can be determined simply by using the fact that they are equal. Similarly, if one of the alternate interior angles is known, the other can be determined using the fact that they are equal. By forming these equations, you can solve for the unknown angle measurements.

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Answer:

20.4 \(m/s^{2}\)

Explanation:

To start doing this problem, first draw a free body diagram of the table. My teacher always tells us to do this, and I find that it is very helpful. I have attached a free body diagram to this answer- take a look at it.

First, let us see if Net force = MA. To do that, we need to determine whether the object is at equilibrium horizontally. For an object to be at equilibrium, it either needs to be moving at a constant velocity or not moving at all. Also, if an object is at equilibrium, there will not be any acceleration. But we know that there IS acceleration horizontally, so it cannot be in equilibrium. If it is not in equilibrium, we can use the formula ∑F= ma.

Let us determine the net force. Since the object is moving horizontally, we can ignore the weight and normal force, because they are vertical forces. The only horizontal forces we need to worry about are the applied force and force of friction.

Applied force = 1055 N (490 + 565)

Friction force= Unknown

To find the friction force, use the kinetic friction formula, Friction = μkN

μk is the coefficient, which the problem includes- it is 0.613.

N is the normal force, which we have to find.

*To find the normal force, we have to determine if the object is at equilibrium VERTICALLY. Since it has no acceleration vertically (it's not moving up/down), it is at equilibrium. Now, when an object is at equilibrium in one direction, it means that all the forces in that direction are equal. What are our vertical forces? Weight (mg) and Normal force (N). So it means that the Normal force is equal to the Weight.

Weight = mg = (40)(9.8) = 392 N

Normal force = 392 N

Now, plug it back into the formula (μkN): (0.613)(392) = 240.296 N

Friction = 240.296 N

Now that we know the friction, we can find the horizontal net force. Just subtract the friction force, 240.296 from the applied force, 1055 N

Horizontal Net Force: 814.704 N

Now that we know the net force, plug in the numbers for the formula

∑F= ma.

814.704 = (40.0)(a)

*Divide on both sides)

a = 20.3676 m/s^2

Round it to 3 significant figures, to get:

20.4 \(m/s^{2}\)

Answer:

40 degrees Celsius

Explanation:

Have a great summer :)

Coal, natural gas, petroleum, and other fossil fuels made up about 61% of the electricity produced in this country. Nuclear energy made up over 19% of the total energy, while renewable energy made up about 20%.

Decomposing plants and animals are used to create fossil fuels. These fuels, which are located in the crust of the Earth, contain hydrogen and carbon that can be burned to produce energy. Examples of fossil fuels include coal, oil, and natural gas. The term "fossil fuel" refers to a hydrocarbon-containing substance that is naturally formed in the Earth's crust from the remains of extinct plants and animals and is extracted and burned as fuel. Natural gas, crude oil, and coal are the principal fossil fuels. We rely on those fuels to heat our homes, power our cars, run manufacturing and industrial processes, and give us electricity. To produce electricity, we burn, or combust, fossil fuels. The process of burning material to produce electrical energy is known as thermal generation. Combustion itself does not result in the production of electricity. Large water boilers are heated by the burning of coal or oil.

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Answer:

RT = 341.62 Ohms

Explanation:

Given the following data;

R1 = 420 Ohms

R2 = 320 Ohms

R3 = 160 Ohms

To find the equivalent resistance;

From the circuit, we can see that R1 and R2 are connected in parallel;

Mathematically, the total equivalent resistance of resistors connected in parallel is given by the formula;

\( RT = \frac {R1*R2}{R1 + R2} \)

Substituting into the formula, we have;

\( RT1 = \frac {420*320}{420 + 320} \)

\( RT1 = \frac {134400}{740} \)

RT1 = 181.62 Ohms

Next, we resolve the resistors to form a series circuit.

RT = RT1 + R3

RT = 160 + 181.62

RT = 341.62 Ohms

Answer:

.98m

Explanation:

Vf=Vi+2at

(V F)^2+2 ( change in distance )

X f= i ( change in V & T )

EK=1/2Mv^2,EG=mgh

This question involves the concepts of the law of conservation of energy, work done, Newton's Second law of motion, and equation of motion.

The box stops at a distance of "1.02 m".

First, we will use the law of conservation of energy to find out the final velocity when the box reaches the flat part.

\(Loss\ of\ Potential\ Energy=Gain\ in\ Potential\ Energy\\mgh=\frac{1}{2}mv^2\\\\2gh=v\\v=\sqrt{2gh}\)

where,

v = speed = ?

g = 9.81 m/s²

h = height = 2 m

Therefore,

\(v=\sqrt{(2)(9.81\ m/s^2)(2\ m)}\)

v = 6.26 m/s

Now, we will use the formula of work done to find out the force applied to the box to stop the motion:

\(W = Fd\)

where,

W = Work Done = 100 J

F = Force applied = ?

d = displacement = 1 m

Therefore,

\(100\ J = F(1\ m)\\F = 100\ N\\\)

Now, we will use Newton's Second Law of Motion to find out the deceleration of the person:

\(F=ma\)

where,

m = mass = 5 kg

a = decceleration =?

Therefore,

\(100\ N = (5\ kg)a\\\\a=\frac{100\ N}{5\ kg}\\\\a = - 20\ m/s^2\)

negative sign shows deceleration.

Now, we will use the third equation of motion to find the distance at which the box stops.

\(2as=v_f^2-v_i^2\\2(-20\ m/s^2)s=(0\ m/s)^2-(6.26\ m/s)^2\\\\s=\frac{40\ m/s^2}{39.24\ m^2/s^2}\)

s = 1.02 m

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The attached picture shows the equations of motion in the horizontal and vertical directions.

The piece of wood does not sink in water because the density of wood is less than that of water.

The density of a substance indicates how dense it is in a given area. Mass per unit volume is the definition of a material's density. In essence, density is a measurement of how closely stuff is packed. It is a particular physical characteristic of a specific thing.

If the density of any material is less than any liquid, it does not sink. As  the density of wood is less than that of water, the piece of wood does not sink in water.

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Simply multiplying the appliance's wattage by the number of hours it is used each day will accomplish this.

You must divide this figure by 1,000 since you require kilowatt- hours and this gives you watt-hours (a kilowatt equals 1,000 watts). The Energy Information Agency (EIA) estimates that the typical American home uses 10,715 kilowatt-hours (kWh) of energy annually. It takes 29,360 watts (W) per day to power a home for a day, which can be divided by 24 to get an average of 1,223 W. According to data from industry watchdog Ofgem from January 2022, the typical dual fuel variable tariff cost £1,277 per year, or £106.41 per month.

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Answer:

Doubling the speed.

E - M v^2

M = W / g     energy is proportional to weight

But energy is proportional to v^2

The mass flow rate of water is 0.087 Kg/s.

Contact tube diameter means no pressure head drop.

P=C heating done at P=C.

MC(T₁ - T₂) = Q = W

M × 1.015 (360-315) = 4000

M = 4000 / 1.015 × \(10^{3}\) × 45

M = 0.087 Kg/s

Pressure is defined due to the fact the pressure of all the gasoline particle/wall collisions divided thru the vicinity of the wall: All gases exert strain ; it's far one of the important measurable portions of this phase of depend.

From the weather to air tour, strain performs a dramatic position in our lives. It plays especially vital roles at some point of chemical reactions. through manipulating stress, chemists can pressure chemical reactions to occur and the transitions among solids, beverages, and gases to boost up.

The primary unit of pressure is the pascal, described because the stress exerted with the useful resource of a pressure of one newton perpendicularly upon a place of one square meter.

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Answer:

I think it is   To make a higher pitch, stretch the rubber band more

Explanation:

I'm not too sure. Sry if u got it wrong

Answer:

To make a higher pitch ,pluck the rubber band more

It is false that an arbitrator can never render a legally binding decision.

Arbitration is a form of indispensable  disagreement resolution( ADR) that resolves  controversies outside the bar courts. The  disagreement will be decided by one or  further persons( the'  judges','  judges' or' arbitral  bench'), which renders the' arbitration award'. An arbitration decision or award is  fairly binding on both sides and enforceable in the courts, unless all parties stipulate that the arbitration process and decision arenon-binding.  

Arbitration is  frequently used for the resolution of  marketable  controversies, particularly in the  environment of  transnational  marketable deals. In certain countries  similar as the United States, arbitration is also  constantly employed in consumer and employment matters, where arbitration may be  commanded by the terms of employment or  marketable contracts and may include a disclaimer of the right to bring a class action claim. Obligatory consumer and employment arbitration should be distinguished from consensual arbitration, particularly  marketable arbitration.

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The voltage across the inductor and capacitor are equal and opposite, the voltage across the resistor, \(V_{r}\), must be equal to the voltage of the generator, \(V(t)\). Thus, \(V(t) = V_{r} = 170 V\).

An RLC series circuit can be defined as a circuit that includes one resistor, one inductor, and one capacitor that are all connected in series. Such a circuit has numerous practical applications and is typically utilized as a bandpass filter or in the creation of oscillators. The circuit is also known as a "resonant circuit," because it has the ability to resonate at a specific frequency, known as the resonant frequency. Consider the following RLC series circuit, which has an R-value of 100.0 Ω, an L-value of 0.70 H, and a C-value of 10.0 µF, connected to a generator with an emf \(V(t) = V_{max}\) cos(ωt), where \(V_{max} = 170 V\) and ω = 339 rad/s. The following is a brief description of the RLC series circuit:

At ω = 0, the capacitor in the circuit behaves as an open circuit, while the inductor behaves as a short circuit. As a result, the current flowing through the circuit is zero.

At high frequencies, the capacitor behaves as a short circuit, and the current flowing through the circuit is simply that which is determined by the resistance.

At the resonant frequency, the capacitor and inductor currents are equal and opposite, and the total current flowing through the circuit is zero. The resonant frequency, ω0, of the circuit can be calculated using the formula:ω0 = 1/√(LC)At the resonant frequency, the impedance, Z, of the circuit is equal to the resistance, R, of the circuit. The total current flowing through the circuit is the voltage divided by the impedance: I = Vmax/R.

The above RLC series circuit with an R-value of 100.0 Ω, an L-value of 0.70 H, and a C-value of 10.0 µF, connected to a generator with an emf \(V(t) = V_{max}\) cos(ωt), where \(V_{max} = 170 V\) and ω = 339 rad/s, can be analyzed in the following way:

At resonance, the impedance of the circuit is R = 100.0 Ω, and the total current flowing through the circuit is \(I = \frac{V_{max}}{R} = 1.70 A\). The phase angle of the circuit can be determined using the following formula:

tan θ \(= \frac{X_{l}- X_{c}}{R}\) Where Xl = ωL is the inductive reactance and \(X_{c}\) = 1/ωC is the capacitive reactance. At resonance, \(X_{l}= X_{c}\) = 1/ωC = ωL. As a result, the phase angle of the circuit is zero (cos θ = 1 and sin θ = 0), and the current and voltage are in phase with each other. The voltage across the inductor is \(V_{l} = X_{L}*I = I*\)ωL = 1.19 V, while the voltage across the capacitor is \(V_{c} = X_{c}*I = I\)/(ωC) = 53.77 V.

Since the voltage across the inductor and capacitor are equal and opposite, the voltage across the resistor, Vr, must be equal to the voltage of the generator, V(t). Thus, \(V(t) = V_{r} = 170 V\).

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The two general ways to increase the internal energy of a substance, as stated by the first law of thermodynamics, are through heat transfer (Q) and work done (W).

According to the first law of thermodynamics, the change in internal energy (ΔU) of a system is equal to the heat transferred to the system (Q) minus the work done by the system (W).

Mathematically, it can be expressed as ΔU = Q - W.

1. Heat transfer (Q): Heat can be transferred to a substance, increasing its internal energy. Heat transfer can occur through conduction, convection, or radiation. For example, if a substance is heated by placing it on a hot stove, heat is transferred to the substance, leading to an increase in its internal energy.

2. Work done (W): Work can be done on a substance, causing an increase in its internal energy. This can be achieved through mechanical processes such as compression or expansion. For instance, when a gas is compressed, work is done on the gas, increasing its internal energy.

Therefore, the first law of thermodynamics allows for increasing the internal energy of a substance either by transferring heat to it or by doing work on it.

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Complete question here:

What are the two general ways to increase the internal energy of a substance according to the first law of thermodynamics?

Answer:

The planets spun in epicycles.

Explanation:

The planets were not simply attached to a mystical sphere (“deferent”) but they were actually attached to a mini-sphere (“epicycle”) which rotated on the larger one.

Answer:A

Explanation: