If five equal resistors dissipate a total of 10 W in a series circuit, how much power does each resistor dissipate

Answer:

True

Explanation:

The different sides control the opposite side of the human body

The left hemisphere of the brain controls the right side of the body. So, the given statement is True.

The brain is defined as the most complex part of the human body, a three-pound organ that is the seat of intelligence, the interpreter of the senses, the initiator of body movement, and the controller of behavior. The brain is said to be the source of all the qualities that define our humanity.

The brain is usually divided into symmetrical left and right hemispheres with each hemisphere in charge of the opposite side of the body, so the right brain controls the left hand while the right hemisphere also takes sensory input from the left and vice versa.

Therefore, the given statement is True.

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Answer:

Magnetic energy can be transformed into kinetic energy in a variety of ways.

Explanation:

One way that this occurs is through electromagnetic induction. This occurs when a changing magnetic field induces an electric current in a conductor, such as a wire. This induced current creates a force that can move the conductor, thus transforming the magnetic energy into kinetic energy. This process is used in electric generators, which convert the kinetic energy of a turbine into electrical energy by turning a coil of wire inside a magnetic field.

Another way that magnetic energy can be transformed into kinetic energy is through the operation of an electric motor. An electric motor uses the interaction between a magnetic field and an electric current to create a force that can rotate a shaft, thus transforming the electrical energy into kinetic energy. Electric motors are used in a wide range of applications, including transportation, manufacturing, and household appliances.

Magnetic energy can also be transformed into kinetic energy through magnetohydrodynamics (MHD), which involves the interaction of a fluid with a magnetic field. When a fluid such as a gas or liquid moves through a magnetic field, it can generate a force that can propel the fluid, thus transforming the magnetic energy into kinetic energy. This process is used in some forms of propulsion, including maglev trains and MHD generators.

In summary, magnetic energy can be transformed into kinetic energy through the interaction of a magnetic field with a conductor, an electric current, or a fluid, which creates a force that can move an object, thus transforming the magnetic energy into kinetic energy.

Answer:T

Explanation:

Answer:

Explanation:

The kinetic energy of an object can be found by using the formula

\(KE = \frac{1}{2} m {v}^{2} \\ \)

where

m is the mass

v is the velocity

We have

\(KE = \frac{1}{2} \times 50 \times {10}^{2} \\ = 25 \times 100\)

We have the final answer as

Hope this helps you

These graphs do not consistent with one another because one is graph of potential energy U(x)  vs distance(x)  and two is graph of force (F(x)) vs distance(x).

Potential energy in physics is the energy that an item retains as a result of its position in relation to other objects, internal tensions, electric charge, or other elements.

Now, if a force F(x) is applied on an object, that caused a displacement of the object a distance x. Then potential energy of the object is:

U(x) = ∫ F(x)dx.

Hence, U(x) ≠ F(x)

That's why, these graphs  do not consistent with one another.

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Explanation:

Using kinematics,

t = 4s

u = 0m/s

a = 9.8m/s^2

Therefore v = u + at = 0 + (4)(9.8) = 39.2m/s.

Spring constant k = 75 N/m

Hooke's law for this spring F(x) = 75x

Work = 1.5 J

                                          \($W=\int_{a}^{b} F(x) d x$\)

According to Hooke's law, the spring must be held stretched at x=0.2m by a force of 15N.

F (0.2) = k (0.2 m) = 15 N

Solve for k

k = 75 N/m

Hence, Hooke's law is F(x) = 75x

The spring is compressed from x = 0 to X = 0.2,

\($W=\int_{0}^{0.2} 75 x d x=\left.\left(\frac{75 x^{2}}{2}\right)\right|_{0} ^{0.2}$\)

W = 1.5 J

So, the work is required to compress the spring 0.2 m from its equilibrium position W = 1.5 J

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The mass of helium in the toy balloon is approximately 0.1095 grams.

To calculate the mass of helium in a toy balloon, we need to use the ideal gas law equation, which relates pressure, volume, temperature, and the number of moles of gas.

The ideal gas law is:

PV = nRT

where:

P is the pressure,

V is the volume,

n is the number of moles of gas,

R is the ideal gas constant (approximately 8.314 J/(mol·K)),

and T is the temperature in Kelvin

First, let's convert the temperature from Celsius to Kelvin:

T(K) = T(°C) + 273.15

T(K) = 28°C + 273.15

T(K) = 301.15 K

The radius of the toy balloon is 25 cm, we can calculate its volume:

V = (4/3)πr³

V = (4/3)π(0.25 m)³

V ≈ 0.065449 m³

The atmospheric pressure is 1.013 * 10^5 Pa.

Now, let's rearrange the ideal gas law equation to solve for the number of moles (n):

n = PV / RT

Substituting the values into the equation:

n = (1.013 * 10^5 Pa) * (0.065449 m³) / ((8.314 J/(mol·K)) * (301.15 K))

Simplifying:

n ≈ 0.02725 mol

Helium (He) has a molar mass of approximately 4.0026 g/mol.

Finally, we can calculate the mass of helium in the toy balloon:

Mass = n * Molar mass

Mass ≈ 0.02725 mol * 4.0026 g/mol

Mass ≈ 0.1095 g

Therefore, the mass of helium in the toy balloon is approximately 0.1095 grams.

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The velocity of the air flow at point (1) is 13.8 m/sec.  The gravitational potential energy is increasing from point(1) to point(2) by 94.176 joules. The pressure head increased by 1.7 m of air column. Kinetic energy head is decreased by 9.71 m of air column.  

Datum head at point (1), z₁ = 2 m

Datum head at point (2), z₂ = 10 m

Pressure at point(1) p₁ = 0 kpa

Pressure at point(2) p₂ = 20 N/m²

Velocity at point(2) v₂ = 0

Velocity at point(1) v₁ = ?

The density of air, ρ = 1.2 kg/m³

By applying Bernoulli's equation,

z₁ + p₁/ρg + v₁²/2g = z₂ + p₂/ρg + v₂²/2g

2 + 0 + v₁²/2g = 10 + 20/(1.2×9.81) + 0

v₁²/2g = 10 + 1.7 - 2

v₁² = 9.7×2×9.81

v₁² = 190.314

v₁ = 13.8 m/sec

Change in gravitational potential energy(ρgΔh) =  1.2×9.81×(10-2)

= 94.176 Joules

Increase in the pressure head = p₂/ρg - p₁/ρg

= 1.7 - 0

= 1.7 m (of air column)

Change in the kinetic energy head = v₂²/2g - v₁²/2g

= 0 - v₁²/2g

= - (13.8×13.8)/(2×9.81)

= -9.71 m (of air column)

Negative sign indicates that the kinetic energy head is decreasing.

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In December 2022, scientists announced a major breakthrough in fusion energy.

A long-awaited milestone in simulating the power of the sun in a laboratory was reached, according to researchers working on fusion energy at the Lawrence Livermore National Laboratory in California. The first fusion reaction to occur in a lab setting that really created more energy than it used was this one.

If fusion can be implemented on a large scale, it will provide a source of energy that is free of the pollution and greenhouse gases brought on by the burning of fossil fuels as well as the hazardous long-lived radioactive waste produced by the nuclear power plants that are currently in use, which use the splitting of uranium to generate energy.

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Answer:

The magnetic force acting on the proton is 1.68 x 10^-18 N.

Explanation:

magnetic field, B = 5 T

speed , v = 2.1 m/s

charge q = 1.6 x 10^-19 C

Angle, A = 90 degree

The magnetic force on the charge particle is given by

\(F = q v B sin A\\\\F = 1.6\times 10^{-19}\times 2.1\times 5\times sin 90\\\\F = 1.68\times 10^{-18} N\)

Answer:

Cold temps. . .

Explanation:

Hope it helps!

The mass of the Bugatti Veyron is approximately 1496 kilograms. This can be determined using Newton's second law of motion, F = ma, where the force (F) is 10,000 N.

The acceleration (a) can be calculated as 60 mph converted to meters per second (26.82 m/s) divided by the time (t) of 2.5 seconds. Therefore, the mass (m) is F/a = 10,000 N / 26.82 m/s = approximately 373 kg. However, this value is only the mass of the force used to move the car. Adding the weight of the car itself, the total mass of the Bugatti Veyron is estimated to be around 1496 kilograms.

Newton's second law of motion states that the force applied to an object is equal to the product of its mass and acceleration (F = ma). In this case, the force used to move the car is given as 10,000 N. To determine the mass, we need to calculate the acceleration first. The acceleration can be obtained by dividing the change in velocity (60 mph) by the time taken (2.5 seconds). After converting the velocity to meters per second (26.82 m/s), we can substitute the values into the equation F = ma to solve for mass (m). The resulting mass is only the additional mass due to the applied force, so we need to consider the weight of the car itself. By adding the estimated weight of the Bugatti Veyron, which is around 1123 kg, to the calculated mass, we arrive at a total mass of approximately 1496 kilograms.

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The reduction ratio is 30% and the area after the work hardening process is 70000 sq.mm.

Given,

The area reduction ratio = r = 30% = 0.3

The initial area of the material is A = 100000

The area of the material after work hardening process is A′.

The area after work hardening process is A′.

The area reduction ratio is defined as the reduction in the area of the material after the work hardening process. Therefore, the area after work hardening is,

A′ = A - rA′

    = 100000 - (0.3 × 100000)A′

    = (1 - 0.3) × 100000A′

    = 0.7 × 100000A′

    = 70000 sq.mm

The reduction ratio is defined as the ratio of the area before the work hardening process to the area after the work hardening process.

Therefore, the reduction ratio is,

R = (A - A′) / AA

   = 100000A′

   = 70000R

   = (100000 - 70000) / 100000R

   = 0.3 or 30%

The reduction ratio is 30% and the area after the work hardening process is 70000 sq.mm.

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Answer:

The boat's velocity relative to Earth is 3.91 m/s.

Explanation:

Given;

speed of ferry due north, \(V_y\) = 2.5 m/s

speed of the river to the east, \(V_x\) = 3.0 m/s

The boat's velocity relative to Earth is given by;

\(V = \sqrt{V_x^2 + V_y^2} \\\\V = \sqrt{(3)^2+(2.5)^2}\\\\V = 3.91 \ m/s\)

Therefore, the boat's velocity relative to Earth is 3.91 m/s.

The boat’s velocity relative to Earth be 3.91 m/s.

Given that,

Based on the above information, the calculation is as follows:

\(= \sqrt{2.5^2 + 3.0^2} \\\\= \sqrt{6.25 + 9}\\\\= \sqrt{15.25}\)

= 3.91 m/s

Therefore we can conclude that the boat’s velocity relative to Earth be 3.91 m/s.

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Explanation:

list in order with the smallest molecules at the top and largest molecules at the bottom:

1.Oxygen

2.Water

3.Carbon dioxide

4.amino acid

5.Glucose

6. Starch

7. Protein

The molecules can be arranged as follows with the smallest at the top is oxygen, water, carbon dioxide, amino acid, glucose, starch, protein.

The given molecules;

starch, water, glucose, carbon dioxide, protein, amino acid, oxygen

The molecular weight of the given compounds is listed as follows;

water -------- 18 g/mol

glucose -------  180.2 g/mol

starch (2 or more glucose) ------ 360 g/mol

carbon dioxide ------ 44 g/mol

protein -------- 20,000 g/mol

amino acid (glycine) ----- 75 g/mol

oxygen -------- 16 g/mol

Thus, the molecules can be arranged as follows with the smallest at the top;

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Answer:

Tt can be calculated by copy

Answer:

Particle physics

Explanation:

The field of physics that studies particles smaller than the atom is called "particle physics" or "high-energy physics". It is concerned with the study of the fundamental constituents of matter and the interactions between them at extremely high energies. Particle physics investigates the properties and behavior of particles such as quarks, leptons, and bosons, as well as the forces that govern their interactions. Particle accelerators, such as the Large Hadron Collider (LHC), are used to study particles at high energies and reveal the fundamental nature of the universe.

A __rales ________ is an abnormal crackling, rattling, or bubbling sound heard on auscultation of the chest.

Rales are an abnormal sound heard accompanying the normal respiratory sounds on auscultation of the chest

Rales heard over the lung bases are a sign of  of heart failure that is of at least moderate severity. With acute pulmonary edema, rales are frequently accompanied by wheezing and expectoration of frothy, blood-tinged sputum.

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Answer:

10.4mm

Explanation:

2 pages = 1 leaf

200 pages = 100 leaves

100 × 0.10 = 10 mm thickness

Total thickness = 2(0.20) +10 = 0.4+10 = 10.4mm

A. first law of motion

Explanation:

hope this helps :)

Answer:

potential energy decreases

kinetic energy increases

Answer:

50 Joules

Explanation:

Answer

Explanation:

the kinetic energy is twice the amount of potential energy.

Option D is correct. If you want assistance, any of the ways listed above can assist you in generating pre-questioning ideas.

One way of teaching and understanding comprehension is the pre-questioning technique. Prequestioning concepts can be found in textbooks, professors, and study groups.

Teachers can provide some questions connected to the topic of study for comprehension. Questions can also be obtained through study groups and ideas can be obtained from textbooks of similar disciplines.

Hence Option D is correct.

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A star that is hotter than the majority of other stars is likely to seem blue.

The color of light emitted by a star depends on its surface temperature. Blue stars have a higher temperature than yellow stars, which have a higher temperature than red stars. With a surface temperature of 9,400 K, a hot star like Sirius produces more blue light than red light, making it seem brighter when seen through a blue filter than when viewed through a red filter. A colder star, like Betelgeuse, whose surface temperature is around 3,400 K, has the opposite behavior. Via a red filter, Betelgeuse seems brighter than it does through a blue filter. Therefore, blue is the correct answer.

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The force of gravity acting on a satellite in circular orbit is perpendicular to the direction of its motion, so no work is done on the satellite

The reason that no work is done on the satellite despite the force of gravity is because work involves a displacement of an object in the direction of the force acting on it. In this case, the force of gravity is acting on the satellite perpendicular to the direction of its motion.

For example, consider a ball being swung around in a circle on a string. The tension in the string is providing a force that keeps the ball moving in a circle, but because the force is perpendicular to the direction of the ball's motion, no work is being done on the ball.

Similarly, in the case of a satellite in circular orbit, the force of gravity is providing a centripetal force that keeps the satellite moving in a circle around the Earth. Because the force is perpendicular to the direction of the satellite's motion, no work is being done on the satellite.

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Answer:

F = 2N

Explanation:

Moment of 3.0N = 3 × (90 - 50)

3×40

= 120Ncm

Moment of 2.0N = 2.0 × 30

= 60Ncm

Value of F = F × 30

= 30F

60 + 30F = 120

30F = 120 - 60

30F/30 = 60/30

F = 2N