Explain how and why water travels through the four Earth systems as it moves through the water cycle

a) Cart is speeding up ; b) cart is slowing down and c) cart is not moving.

Force of friction is a contact force whereas friction is the force that resists motion when surface of one object comes in contact with surface of another. Example is the force of friction between two stones rubbed with each other.

Static friction magnitude is directly proportional to normal force magnitude and the roughness between sliding surfaces. The ratio of magnitude of frictional force divided by normal force magnitude is called as coefficient of friction. Friction takes place at the point of contact between two bodies.

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Answer:

Explanation:

1. First draw a free body diagram of the scenerio (a block sliding down a a slant surface).
2. Then we analyze the forces and write equations that satisfy Fnet = ma. This will give us the acceleration as the block slides down the surface.

3. Last, we can use the kinematic equation (vf^2 = vi^2 + 2as) and to solve the final speed of the block.

The number John though of was 7.5.

Expression modelling is the description of a mathematical problem using the mathematical expressions, done for the purpose of correct results and analysis and observation.

Expression modelling is done to remove uncertainty in mathematical results.

Given is that John thought of a number. After multiplying it by 3 and then adding six, the answer was 21.

Assume the number to be {x}.

We can write the modelled expression as the function of {x} as -

2x + 6 = 21

2x = 21 - 6

2x = 15

x = 7.5

Therefore, the number John though of was 7.5.

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Answer:

the answer is c

Explanation:

melting = become liquefied by heat

solubility = a new bond formation

conductivity = electric transmitter

flammability = burnable

the Given that the distance from mall to home is 1000 m.

The distance from home to the library is 1200 m.

So the total displacement is 1000 +1200 = 2200 m.

The displacement is from the library to the mall, so the displacement is towards the west.

So the displacement is 2200 m towards west.

Answer:

speed

Explanation:

The wave equation says that a waves speed is equal to its wavelength times is frequency.

Answer:

Hello there seems to be no Images in this question but Kinetic energy is a push or a pull force which has to do with motion if you just need to know what t is. Next time be sure to add the pictures for it.

Explanation:

Thank you!

Hello the other person (#Sonichj123), was indeed correct there appears to be no picture in your question. Although there is no picture in your question, If you have another question I will be gladly to help you!

Explanation:

Thank you so much! (≥ФωФ≤)

Answer:

Explanation:

For a person suffering from nearsightedness, far point is 3.5 m . That means , an object beyond 3.5 m will not be clearly visible by the person . Ray of light coming from 3.5 m will be focussed on retina . For an object to be visible from infinity , ray of light coming from infinity should appear to be coming from 3.5 m . In other words , the object placed at infinity should form a virtual  image at 3.5 m . This can be done by concave lens.

u = ∝ ;  v  = 3.5

Using lens formula

\(\frac{1}{v} -\frac{1}{u} = \frac{1}{f}\)

\(\frac{1}{-3.5} -0 = \frac{1}{f}\)

f = - 3.5 m .

When the orientation of the coil is varied through all possible positions, the maximum torque on the coil by the magnetic forces is 0.16 N·m. The magnetic field strength required to achieve this torque is approximately 0.000318 Tesla.

The maximum torque on a circular coil in a uniform magnetic field can be calculated using the formula:

τ = N * B * A * sinθ

Where:

τ is the torque,

N is the number of turns in the coil,

B is the magnetic field strength,

A is the area of the coil, and

θ is the angle between the normal to the coil and the direction of the magnetic field.

In this case, The radius of the coil is given as 0.40 m, and the number of turns is 160. We need to find the magnetic field strength (B) and the angle (θ) to calculate the torque.

Since the maximum torque is given as 0.16 N·m, we can write the equation as:

0.16 N·m = 160 * B * π * \((0.40 m)^2\) * sinθ

Simplifying the equation:

0.16 N·m = 160 * B * (0.16π) * sinθ

Now, solving for B:

B = (0.16 N·m) / (160 * (0.16π) * sinθ)

B = 0.001 N / (π * sinθ)

The magnetic field strength (B) depends on the angle θ. The maximum torque occurs when sinθ is equal to 1 (sinθ = 1), which gives us the maximum value for B.

Substituting sinθ = 1:

B = 0.001 N / (π * 1) = 0.000318 N/T

Therefore, the magnetic field strength is approximately 0.000318 Tesla (T).

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Answer:

The more the mass, the more the gravity. The more the distance the less the gravity.

Explanation:

I just learned about it on E_d_g_e_n_u_i_t_y

Answer:

25 watts

Explanation:

Power=work/time

work=force x distance

1000 × 3

=3000 Joules

power= 3000/120

=25 watts

If A set of pulleys is used to lift a piano weighing 1,000 newtons. The piano is lifted 3 meters in 120 seconds. Then the power used is equal to 25 watts.

Power is the rate at which work is done or energy is transferred. It is a physical quantity that measures how quickly energy is used or transformed.

P=W/s

Where W= work done in joules.

s= time in seconds.

Power is typically measured in watts (W), which is equivalent to joules per second (J/s). In simple terms, power can be defined as the amount of work done or energy transferred per unit of time.

Here in the question,

To calculate the power used to lift the piano, we need to use the formula:

Power = Work / Time

The work done in lifting the piano is given by:

Work = Force x Distance

Where

Force = the weight of the piano, which is 1,000 newtons,

Distance = the height to which it is lifted, which is 3 meters.

Then, the work done is:

Work = 1,000 N x 3 m = 3,000 joules

The time taken to lift the piano is 120 seconds.

Now we can substitute these values in the formula for power:

Power = Work / Time

Power = 3,000 joules / 120 seconds

Power = 25 watts

Therefore, the power used to lift the piano is 25 watts.

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The skater's final angular velocity is approximately 9.86 rad/s.

The skater's final angular velocity can be calculated using the principle of conservation of angular momentum. The equation for angular momentum is given by:

L = Iω

where L is the angular momentum, I is the moment of inertia, and ω is the angular velocity.

Initially, the skater has an angular momentum of:

L_initial = I_initial * ω_initial

Substituting the given values:

L_initial = 2.12 kg m² * 3.25 rad/s

The skater's final angular momentum remains the same, as angular momentum is conserved:

L_final = L_initial

The final moment of inertia is given as 0.699 kg m². Therefore, the final angular velocity can be calculated as:

L_final = I_final * ω_final

0.699 kg m² * ω_final = 2.12 kg m² * 3.25 rad/s

Solving for ω_final:

ω_final = (2.12 kg m² * 3.25 rad/s) / 0.699 kg m²

Hence, the skater's final angular velocity is approximately 9.86 rad/s.

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Answer:

Yes. Yes, you can.

Explanation:

Combinations of increased pressure and decreased temperature force gases into containers that we use every day. You might have compressed air in a spray bottle or feel the carbon dioxide rush out of a can of soda. Those are both examples of gas forced into a smaller space at a greater pressure.

Hope this helps :)

Answer:

:P

Explanation:

the six kingdoms of life, as described in the taxonomic system, are distinct from one another in a variety of ways. each kingdom has its own unique characteristics that set it apart from the others.

the first kingdom is the kingdom animalia, which is composed of multicellular organisms that are heterotrophic and motile. animals are capable of movement and have specialized organs and tissues that allow them to interact with their environment.

the second kingdom is the kingdom plantae, which is composed of multicellular organisms that are autotrophic and sessile. plants are capable of photosynthesis and have specialized organs and tissues that allow them to interact with their environment.

the third kingdom is the kingdom fungi, which is composed of multicellular organisms that are heterotrophic and sessile. fungi are capable of absorbing nutrients from their environment and have specialized organs and tissues that allow them to interact with their environment.

the fourth kingdom is the kingdom protista, which is composed of unicellular organisms that are either autotrophic or heterotrophic and motile. protists are capable of movement and have specialized organelles that allow them to interact with their environment.

the fifth kingdom is the kingdom monera, which is composed of unicellular organisms that are autotrophic and motile. monerans are capable of movement and have specialized organelles that allow them to interact with their environment.

the sixth kingdom is the kingdom archaea, which is composed of unicellular organisms that are autotrophic and motile. archaeans are capable of movement and have specialized organelles that allow them to interact with their environment.

in summary, the six kingdoms of life are distinct from one another in a variety of ways. each kingdom has its own unique characteristics that set it apart from the others. animals are multicellular and heterotrophic, plants are multicellular and autotrophic, fungi are multicellular and heterotrophic, protists are unicellular and either autotrophic or heterotrophic, monerans are unicellular and autotrophic, and archaeans are unicellular and autotrophic.

you better mark me brainliest

The best summary of paragraph 6 is that analog TV signals were incapable of transmitting high-resolution video, while digital TV offers superior image quality. So, the correct statement is "Analog TV signals could not carry high-resolution video."

The sentence emphasises how much better picture quality has been achieved with digital TV than with analogue TV since its launch.

Better picture quality is directly related to the higher resolution offered by digital technology. This sentence emphasises the low video resolution of analogue TV and implies that this was a fundamental issue that could not be solved.

In essence, it emphasises how much better digital TV is at presenting stunning pictures and fixing the problems with analogue TV transmissions. The right answer is thus, "Analogue TV signals could not carry high-resolution video."

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Answer: Convention

Explanation: Convention is pretty well known for being a process that transmits heat from one place to another place with the movements of heated particles. I got this answer from my notebook during my chemistry class.

Hope this answer helps!

Answer:

Explanation:

Its Virtual, how would you describe the image formed by a convex mirrior? virtual upright, smaller

Answer:

• Bring another magnet wound with a copper wire, at the top of the fixed magnet. Here EMF will be generated by mutual induction

Explanation:

\(.\)

Bringing another coil close to the fixed magnet will induce an emf through a process called mutual induction.

An emf is induced when there is relative motion of a conductor placed in a magnetic field.

When the current in one coil is changed by contact of anothe coil, we call it mutual induction.

Thus, if the magnetic field is constant and the magnet fixed, bringing another coil close to the fixed magnet will induce an emf through a process called mutual induction.

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This heat is most likely transmitted by Convection only. The first option is the correct answer.

Convection is the transfer of heat by the movement of a fluid or gas. When air moves across a warm body of water, it is heated by the water through convection and rises in the atmosphere. This process is called a sea breeze.

Heat convention in materials can be calculated using the formula:

Q = h A ΔT

Where,

Q = heat transfer rate

h = convection heat-transfer coefficient

A = exposed surface area

ΔT = temperature difference

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The moment of inertia (I) will changes and net torque (Tnet) will also change, while the angular acceleration (a) remains constant.

The formula for net torque acting on an object is given as;

T(net) = Ia

where;

The  moment of inertia of an object is given as;

I ∝ MR²

where;

So mass, M changes, the moment of inertia (I) changes and net torque will also change, while the angular acceleration remains constant.

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Answer:

In parallel combination, the cells are connected in such a way that the potential difference of the circuit is same as the cells used in the circuit but the time of current flowing increases

To increase both the current and electromotive force (EMF), we need to connect the cells in both series and parallel.

Cells can be connected in series or parallel to increase the overall voltage or current output of a battery.

When cells are connected in series, their positive terminals are connected to the negative terminals of the adjacent cells, and the overall voltage of the battery is the sum of the voltages of the individual cells.

For example, if two cells each have a voltage of 1.5 volts, connecting them in series will create a battery with a total voltage of 3 volts.

When cells are connected in parallel, their positive terminals are connected together and their negative terminals are connected together, and the overall current output of the battery is the sum of the currents of the individual cells.

For example, if two cells each have a current output of 1 ampere, connecting them in parallel will create a battery with a total current output of 2 amperes.

By combining cells in both series and parallel configurations, it is possible to create a battery with a higher overall voltage and current output than a single cell.

This is commonly used in batteries for electronic devices, vehicles, and other applications where high power output is required.

Here in the question,

Connecting cells in series increases the electromotive force (EMF) while keeping the current constant.

Connecting cells in parallel, on the other hand, increases the current while keeping the EMF constant.

Therefore, to increase both the current and EMF, we need to connect the cells in both series and parallel. This can be done by creating a battery with multiple cells, where the cells are connected in both series and parallel configurations. This allows for a higher overall voltage (EMF) and a higher overall current.

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Time: s (second)

Mass: kg (kilogram)

Length: m (meter)

The SI units (International System of Units) are a standard system of measurement used in science, engineering, and many other fields. They provide a universal language for expressing and comparing measurements. The SI units are based on seven fundamental physical quantities, and each of these quantities is associated with a specific base unit, which is defined independently of any other unit.

Seven base units of the SI system are:

Length: meter (m)

Mass: kilogram (kg)

Time: second (s)

Electric current: ampere (A)

Temperature: kelvin (K)

Amount of substance: mole (mol)

Luminous intensity: candela (cd)

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A) the waves can grander energy through solid,liquid, and gases

C) the waves transfer energy by causing particles of matter to move.

D) the waves need to master to transfer energy

Given values are:

Speed,

Time,

As we know,

→ \(Acceleration = \frac{Speed}{Time}\)

or,

→                   \(a = \frac{v}{t}\)

By substituting the values,

                       \(= \frac{30}{3}\)

                       \(= 10 \ m/s^2\)

Thus the above solution is correct.    

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Answer:

It is necessary to search for new sources of energy because the sources we have now are non-renewable and exhaustible. The usage of these sources are increasing day by day and if this continues then one day we wlii be left with none so it is necessary to search for new sources of energy

Your pancreas makes a digestive juice that has enzymes that break down carbohydrates, fats, and proteins. The pancreas delivers the digestive juice to the small intestine through small tubes called ducts. Liver. Your liver makes a digestive juice called bile that helps digest fats and some vitamins.

Digestive enzymes are made by the pancreas and aid in the breakdown of proteins, carbs, and lipids. Bile, a liquid made by the liver that aids in fat digestion, is produced.

The digestive system breaks down the food we consume into its most basic components, such as glucose (sugar), amino acids (which make up protein), or fatty acids (which make up lipids).

Here,

The digestive system of humans is made up of a fully formed alimentary canal and the glands that are located there. The alimentary canal, which includes the mouth, oral cavity or buccal cavity, pharynx, oesophagus, stomach, small intestine, large intestine, and anus, is encircled by glandular epithelium.

The nutrients from the digested food are subsequently transported to every cell in the body thanks to absorption into the bloodstream from the small intestine.

Although they are not a part of the alimentary canal, the pancreas, which is located beneath the stomach, the gallbladder, and the liver are all vital for digestion.

Hence,

Digestive enzymes are made by the pancreas and aid in the breakdown of proteins, carbs, and lipids. Bile, a liquid made by the liver that aids in fat digestion, is produced.

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The phase angle is 56.2°, the power factor is 0.556, the impedance is 355.56 ohms and the r.m.s voltage is 158.58V

Alternating Current Circuits or AC circuits are simply circuits powered by an Alternating Source, either current or voltage. An Alternating Voltage or Current is one in which the amount of either the voltage or the current alters about a distinct mean value and reverses direction periodically.

The impedance of a c circuit Z = √R²+( X(l) - X(c))²

X(l)and Xc are inductive and capacitive reactance respectively

X(l) = 2πfl= 2×3.14×408×0.124= 317.7 ohms

X(c)= 1/2πfc= 1/2×3.14×408×3.29× 10^-6= 53.54 ohms

Z= √238²+(317.7-53.54)²

Z= √56644+69780.51

Z= √ 126424.51

Z= 355.56 ohms

Phase angle = tan^-1( Z/R)

= tan^-1 (1.494)

= 56.2°

power factor = cosine of phase angle

= cos 56.2°= 0.556

The r.ms voltage Vr.m.s = Ir.m.s ×Z

= 0.446× 355.56= 158.58V

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