What is the mass of a neutron?

1/2,000 amu
1 amu
2,000 amu
1/200 amu

Answer:

=14.4Watts

Explanation:

Power in  a light bulb is calculated by the use of the following formula: P=VI

For the provided scenario, the current will be calculated as follows:

I=V/R

=12V/10Ω

=1.2A

Therefore P=12V×1.2A

=14.4Watts

Answer:

The correct answer is: B area = area

Explanation: You can solve this problem through the use of laws of Kepler's planetary motion. There are Kepler the laws ( 3 of them) In this exercise, we will use the second law. According to this law, a line segment joining a planet and the sun sweeps out areas is equal to that during the equal intervals of time

The following diagram shows the path of a planet around the Sun. Kepler discovered that area A = area B. Option A is correct.

During equal intervals of time, a line segment between a planet and the sun sweeps out regions are equal. Equal regions for equal times is Kepler's Law.

The journey of a planet around the Sun is depicted in the diagram below. Area A = area B was found by Kepler.

The regions swept away by a planet as it advances in an orbit around the Sun are equal for equal time periods. A: The equal portions of circular orbits are identical in form and size.

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Answer:

0.5s

Explanation:

The answer is 0.5s as shown in the image attached.

Answer:

There are 7 major organs located in the abdominal cavity.

The major organs located in the abdominal cavity include the stomach, kidneys, liver, spleen, pancreas, small intestine, and large intestine

The abdominal cavity contains two key lymphatic organs, the spleen and numerous lymph nodes. The spleen sifts pathogens from the blood while lymph nodes create and transport lymphocytes for immune defense.

The abdominal cavity houses two primary lymphatic organs: the spleen and numerous lymph nodes. The spleen is a major secondary lymphoid organ located in the upper left quadrant of the abdomen near the stomach and left kidney. Its role is to remove pathogens from the blood, hence sometimes referred to as the 'filter of the blood.'

On the other hand, the lymph nodes are small, bean-shaped organs located along the larger lymph vessels in the abdomen. They are pivotal in developing critical immune responses and also serve as a cleaning system for the lymph before the fluid is returned to the heart.

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Answer:

60 W

Explanation:

The work done in lifting the object is given by:

[tex]W=Fd[/tex]

where

F = 30.0 N is the weight of the object

d = 10.0 m is the displacement covered by the object

Using the formula,

[tex]W=(30.0 N)(10.0 m)=300 J[/tex]

Now we can calculate the power, which is given by

[tex]P=\frac{W}{t}[/tex]

where

W = 300 J is the work done

t = 5.00 s is the time interval

Substituting,

[tex]P=\frac{300 J}{5 s}=60 W[/tex]

The power required to lift a 30.0 N weight to a height of 10.0 m in 5.00 s is calculated using the Power = Work / Time equation. The work, measured in Joules, is determined by multiplying the force (in Newtons) by the distance (in meters). This results in an output of 60.0 Watts.

In the field of Physics, the concept of power is defined as the rate of doing work or the amount of energy transferred per unit time. In this situation, we can compute the power required to lift a 30.0 N object to a height of 10.0 m in 5.00 s using the equation: Power = Work / Time. Let us calculate:

First, we find the work done: Work = Force x Distance, so Work = 30.0 N x 10.0 m = 300.0 Joules.

Next, we calculate the power: Power = Work / Time = 300.0 Joules / 5.00 s = 60.0 Watts.

Therefore, it would take approximately 60.0 Watts of power to lift a 30.0 N object to the height of 10.0 m in 5.00 s.

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Answer:

110 kg

Explanation:

The momentum of the Malcom+motorcycle system is given by:

[tex]p=(m+M)v[/tex]

where

(m+M) is the total mass of the system, with

m = mass of Malcom

M = 190 kg (mass of the motorcycle)

v = 20 m/s velocity

Since we know the momentum:

p = 6000 kg m/s

We can re-arrange the equation to find the mass of Malcom:

[tex]m=\frac{p}{v}-M=\frac{6000 kg m/s}{20 m/s}-190 kg=110 kg[/tex]

All of the elements in a period have the same number of atomic orbitals. For example, every element in the top row (the first period) has one orbital for its electrons. All of the elements in the second row (the second period) have two orbitals for their electrons.

Answer:

mass of the planet and its distance from other objects

Explanation:

mass of the planet and its distance from other objects determine the strength of its gravitational force on other objects

The characteristics of a planet determine the strength of its gravitational force on other objects are:  mass of the planet and its distance from other objects . Hence, option (B) is correct.

Gravity is a fundamental interaction in physics that causes all objects with mass or energy to attract one another. Gravity is by far the least powerful of the four fundamental interactions.

However, gravity is the most important interaction between things and governs the motion of planets, stars, galaxies, and even light.

Gravitational field strength of the planet can be expressed as:

E = GM/r²

Where G = universal gravitational constant and M = mass of the planet; r = distance between the planet and the object.

Hence, the characteristics of a planet determine the strength of its gravitational force on other objects are:  mass of the planet and its distance from other objects .

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Answer: 800 N

Explanation:

Force is change of momentum (p) over change in time: F = ma = dp/dt

change in time dt= 0.10 s

mass = 2 kg

initial velocity v0=20 m/s

final velocity vf= -20 m/s

change in momentum dp= m(vf-v0)

dp=2(-20-20)= -80 N/s

F=dp/dt=-80/.10=-800 N

Since they only want the magnitude, you can drop the negative sign so the answer is just 800 N.

Final answer:

The magnitude of the average force exerted by the bat can be found using the impulse-momentum principle. The impulse experienced by the ball is equal to the change in momentum. The impulse is also equal to the average force multiplied by the contact time.

Explanation:

The magnitude of the average force exerted by the bat can be found using the impulse-momentum principle. The impulse experienced by the ball is equal to the change in momentum. Since the ball is initially moving along the -x direction and ends up moving along the +x direction with the same speed, the change in momentum is equal to 2 times the initial momentum. Therefore, the impulse is 2 times the initial momentum.

The impulse is also equal to the average force multiplied by the contact time. So, we can set up the equation: 2 times the initial momentum is equal to the average force multiplied by 0.10 seconds.

Solving this equation will give us the magnitude of the average force exerted by the bat.

Final answer:

Group 18 noble gases, including helium, neon, and argon, are inert due to their full outermost energy levels, making them chemically stable and minimally reactive under normal conditions.

Explanation:

Group 18 noble gases are inert because d. their outermost energy level is full.

The noble gases, such as helium, neon, and argon, possess filled outer electron shells, making them extremely stable. This configuration, often known as a filled valence shell or octet, imparts a large ionization energy to these elements, making them reluctant to lose an electron. In the event that they do accept an additional electron, it would occupy a much higher energy level, rendering it loosely bound and thus energetically unfavorable. The inherent stability of their electron configurations means that noble gases are chemically inert, demonstrating minimal reactivity under normal conditions. Under extreme conditions, such as high pressure and temperature, they can be coerced into forming chemical compounds, though this is not typical of their standard chemical behavior.

Answer:

C. conductor and battery

Explanation:

An electrical circuit is the part in which two or more conductors are joined in series , parallel or in mixed grouping such that when they are connected to a battery then some current will flow through it.

So here we can say that in order to make a complete circuit we need to take care that current will flow through the combination which will make a circuit

In order to flow the current we need an energy source which is done by the battery and other is the conductor which help to flow the the charge particles.

So here correct answer will be

C. conductor and battery

Answer:

A conductor and a battery

Explanation:

Answer:

170 N

Explanation:

Given in the question that, work a bulldozer can do = 4500 J

We will use trigonometry identity to find the distance bulldozer will travel up the hill

sin(35) = opp/hypo

sin(35) = 15/hypo

hypo = 15/sin(35)

hypo = 26.15m

Formula to use

work done = force × distance

Plug values in the above formula

4500 = force x 26.15

force = 4500/26.15

force = 172.08

force ≈ 170 N

Answer:

520 N

Explanation:

Answer:In a series circuit, adding more resistors increases total resistance and thus lowers current. But the opposite is true in a parallel circuit because adding more resistors in parallel creates more choices and lowers total resistance. If the same battery is connected to the resistors, current will increase.

Explanation:

Answer:

The correct option is "It will increase the equivalent resistance which will decrease the total current".

Explanation:Increasing resistance will always decrease total current as as resistance implies "resisting the current flow"

Microtechnology i hope this will help

Answer: Second option is correct.

Explanation:

An engineer is working on a new kind of wire product that is about the size of a bacterium cell, this kind of technology is known as "Micro technology".

It deals with features near one micrometer.

It is used to create structure having functional feature with at least one dimension.

Hence, Second option is correct.

Answer:

D. 214 kPa

Explanation:

The absolute pressure is given by:

[tex]p = p_a + p_g[/tex]

where

p is the absolute pressure

[tex]p_a \sim 100 kPa[/tex] is the atmospheric pressure

[tex]p_g[/tex] is the gauge pressure

In this problem, we have

[tex]p_g = 114 kPa[/tex]

So, the atmospheric pressure is

[tex]p = 100 kPa + 114 kPa = 214 kPa[/tex]

Answer:

your answer is 214kPa

Explanation:

Answer:

Because the object should shrink its volume to zero, which is impossible

Explanation:

Let's talk about gases for simplicity. Ideal gases are governed by the ideal gas equation:

[tex]pV=nRT[/tex]

where

p is the gas pressure

V is the volume of the gas

n is the number of moles

R is the gas constant

T is the absolute temperature

From the formula, we see that T and V are directly proportional: therefore, in order for a gas to have an absolute temperature of zero, it must also have a volume of zero, which is impossible.

Answer:

[tex]1.84\cdot 10^5 J[/tex]

Explanation:

The heat absorbed by the piece of iron is given by:

[tex]Q=mC_S \Delta T[/tex]

where:

m = 34 g is the mass of the piece of iron

[tex]C_s = 450 J/g^{\circ}C[/tex] is the specific heat of iron

[tex]\Delta T=24 C-12 C=12^{\circ}C[/tex] is the variation of temperature of the piece of iron

Substituting numbers into the formula, we find

[tex]Q=(34 g)(450 J/gC)(12 C)=1.84\cdot 10^5 J[/tex]

Electric force occurs between positive and negative electric charge. It can be calculated with formula [tex]F=\frac{Q_1Q_2}{A\epsilon_0\epsilon_r}[/tex] where F is force, Q1 and Q2 are charges, A is area of object usually ball ([tex]A=4\pi r^2[/tex]) because we describe charges as points in space like electrons and protons, [tex]\epsilon_0[/tex] is a natural dielectric constant of empty space or vacuum ([tex]\epsilon_0=8.85\times10^{-12}\mathsf{\frac{As}{Vm}}[/tex]) and [tex]\epsilon_r[/tex] also known as relative dielectric variable.

There are two types of the force:

1. Attractive electric force

2. Repulsive electric force

Attractive electric force occurs between positively and negatively charged objects while repulsive occurs between equally charged objects for eg. (positive and positive will repulse).

From the list of activities below, select those that can increase your carbon footprint is driving a car that uses gasoline.

The amount of carbon dioxide released into the atmosphere due to the human activities of driving a car or burning plastics, etc is called the carbon footprint.

The gasoline contained in the cars or trucks will burn due to spark in the IC engines. This result in the production of Carbon-di-oxide.

Thus, driving a car that uses gasoline increases footprint.

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Activities from the list that increase your carbon footprint include purchasing factory-processed foods, driving a gasoline-powered car, and using non-LED lights. These actions are less energy-efficient and lead to higher carbon emissions.

From the list of activities provided, those that can increase your carbon footprint include:

To reduce our carbon footprint, we can switch off lights when not in use, use bicycles, walk, use public transportation, purchase energy-efficient appliances, choose fuel-efficient vehicles, and install solar panels. Engaging in the political process and supporting policies aimed at reducing carbon emissions can also lead to greater collective environmental benefits.

Answer:

hold on let me check my answer

Explanation:

The correct answer is that the jart will reach a maximum height of approximately 10.2 meters.

To solve this problem, we need to analyze the vertical component of the jart's initial velocity separately from the horizontal component. Since the jart is tossed at a 60° angle, we can use trigonometry to find the vertical and horizontal components of the initial velocity.

First, let's find the vertical component of the velocity [tex](\(v_{y0}\))[/tex] using the sine function:

[tex]\[v_{y0} = v_0 \cdot \sin(\theta)\][/tex]

where [tex]\(v_0\)[/tex] is the initial velocity (14.1 m/s) and [tex]\(\theta\)[/tex] is the angle of the toss (60°). The sine of 60° is [tex]\(\sqrt{3}/2\)[/tex], so:

[tex]\[v_{y0} = 14.1 \cdot \frac{\sqrt{3}}{2}\][/tex]

Now, we can calculate the maximum height (h) using the kinematic equation for vertical motion:

[tex]\[v_{y}^2 = v_{y0}^2 - 2gh\][/tex]

where [tex]\(v_{y}\)[/tex] is the final vertical velocity (which is 0 m/s at the maximum height), (g) is the acceleration due to gravity (approximately 9.81 m/s ²), and (h) is the maximum height we want to find. Rearranging the equation to solve for (h), we get:

[tex]\[h = \frac{v_{y0}^2}{2g}\][/tex]

Substituting the value of [tex]\(v_{y0}\)[/tex] we found earlier:

[tex]\[h = \frac{(14.1 \cdot \frac{\sqrt{3}}{2})^2}{2 \cdot 9.81}\][/tex]

[tex]\[h = \frac{14.1^2 \cdot (\frac{\sqrt{3}}{2})^2}{19.62}\][/tex]

[tex]\[h = \frac{198.81 \cdot \frac{3}{4}}{19.62}\][/tex]

[tex]\[h = \frac{149.1075}{19.62}\][/tex]

h = 10.2 meters

Therefore, the jart will reach a maximum height of approximately 10.2 meters.

Answer:

I just answered a question like this. It should be B. An electromagnet :)

Explanation:

Answer:the answer is a MOTOR!

Explanation: I JUST TOOK THE K12 QUIZ

everyone on brainly is wrong! the answer is MOTOR

Answer:

Electrons

Explanation

Only charged particles like protons and electrons can create an electric field. Around every proton and electron there is an electric field. Since electric field is proportional to the magnitude of charge, large number of charges will produce a large field.

The large imbalance electron would create a significant electric field

Note: imbalance of electrons would mean that, there are more ( or less) number of electrons present than there are protons

Final answer:

The weapon used by the Jawa creates an electric field through an imbalance of electrons. In an atomic nucleus, protons stay together thanks to the strong nuclear force, which is much stronger than the electromagnetic repulsion between positively charged protons.

Explanation:

The weapon used by the Jawa surrounds R2-D2 with a strong electric field, which is created by a large imbalance of electrons. An electric field is produced when there is an excess or deficit of electrons, which are negatively charged particles. This imbalance generates a force, pushing on other electric charges within the field, and this is what captures R2-D2 in the Star Wars universe.

An atomic nucleus is able to stay intact, not flying apart despite the repulsion between positively charged protons, because of the strong nuclear force. This force is significantly stronger than the electromagnetic force and is responsible for holding the protons and neutrons together in the nucleus of an atom. On the other hand, the weak nuclear force is much weaker and has only a marginal effect in offsetting the electric force between protons.

Any object that's moving has kinetic energy.

Its kinetic energy is (1/2)·(its mass)·(its speed squared) Joules.

Answer:  Producers have the greatest amount of available energy.

When an organism eats another organism, it gains energy.

Explanation:

A food chain is a linear sequence of transfer of food and energy when one organism is eaten by the other organism. A food web is the interconnection of two or more food chains. This happens when one organism belong to one food chain also consume organisms of same food chain or other food chain. A food chain includes trophic levels on the basis of the mode of feeding of the living beings.

Among the options given, Producers have the greatest amount of available energy. and

When an organism eats another organism, it gains energy. are correct.

Producers are the organism which are capable of producing their food either through photosynthesis or chemosynthesis. They are present at the base level of the food chain. They consist of large amount of energy as compared to all the trophic levels in the food chain.

When one organism eats other organism it gains energy because of the assimilation and digestion of the organism as food.

Answer:

[tex]-6.25\cdot 10^7 J[/tex]

Explanation:

The gravitational potential at a point on the Earth surface is given by:

[tex]U=-\frac{GM}{R^2}[/tex]

where

G=6.67×10^-11Nm^2kg^-2 is the gravitational constant

M=5.98×10^24kg is the Earth's mass

R=6.38×10^6 m is the Earth's radius

Substituting the numbers into the equation, we find

[tex]U=-\frac{(6.67\cdot 10^{-11})(5.98\cdot 10^{24})}{(6.38\cdot 10^6)}=-6.25\cdot 10^7 J[/tex]

Answer:

The current is proportional to the voltage and inversely proportional to the resistance. This mean if the resistance decreased and the voltage stayed constant, the current will increase.

Explanation:

Let's star with a closed circuit with a constant voltage of 48V, and a variable resistor selector of 6, 4 and 2 Ohms.

Using Ohm's Law equation [tex]I=\frac{V}{R}[/tex]

With the variable resistor selector on 6 Ohms

[tex]I=\frac{48V}{6ohms} =8A[/tex]

Changing the selector to a 4 Ohms

[tex]I=\frac{48V}{4ohms} = 12A[/tex]

Last, changing the selector to a 2 Ohms

[tex]I=\frac{48V}{2ohms} =24A[/tex]

Position 4

At position 4 the diver has the least amount of height, which is what GPE is proportional to.

Hope this helped!

Answer:

[tex]0.0089 W/m^2[/tex]

Explanation:

The intensity of a sound wave is given by

[tex]I=\frac{P}{A}[/tex]

where

P is the power of the wave at the source

A is the area over which the sound wave propagates

In this problem, we have

P = 70.0 W is the power

We want to know the intensity at a distance of r = 25.0 m from the orchestra, so since the sound waves propagates radially, we must consider a spherical surface of radius r, so the area is

[tex]A=4\pi r^2 = 4\pi (25.0 m)^2=7850 m^2[/tex]

Therefore, the intensity of the wave is

[tex]I=\frac{70 W}{7850 m^2}=0.0089 W/m^2[/tex]

In the Gregorian calendar (the calendar used in most Western countries), the year begins on January 1st and ends on December 31st, lasting 365 days.

However, the Solar year (the time it takes for the Earth to make its orbit around the sun) lasts a little bit longer: 365 days 5 h 48 min 45.10 s (365.242189 days).

This means there is a gap between the Gregorian calendar and the Solar year. So, the solution given to this situation was to correct the calendar every four years by an unaccounted accumulation of approximately 1/4 of a day per year that equals one extra day, as follows:

"Leap year is divisible by 4, unless it is a secular year (last of each century, ending in 00), in which case it must also be divisible by 400."

This extra day is added in February, after day 28th. That is why every four years we have a February 29th in the Gregorian calendars or a Leap year.

Answer:

Leap years make up for the extra one-fourth day the Earth needs to orbit the sun

Explanation:

Answer:

A. 2.43 kg x 1000 g/1 kg

Explanation:

We know that the equivalence between grams and kilograms is

[tex]1 kg = 1000 g[/tex]

So, if we want to convert a mass m from kg to g, we just need to multiply the value by the factor [tex]\frac{1000 g}{1 kg}[/tex].

In this problem, the mass is

m = 2.43 kg

Therefore, multiplying by the factor above, we get

[tex]m = 2.43 kg \cdot \frac{ 1000 g}{1 kg}[/tex]

Answer:

A

Explanation:

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