A coil with a magnetic moment of 1.46A middot m^2 is oriented initially with its magnetic moment antiparallel to a uniform magnetic field of magnitude 0.850T. What is the change in potential energy of the coil when it is rotated 180 degree so that its magnetic moment is parallel to the field?

The objects weighs 7 kg.

An item's mass is the sum of all the substance, or "stuff," that makes up the item. Gravitational pull is what gives a thing weight. Weight varies depending on how much gravity is pulling on an object but mass remains constant. Stats. Mass is the measure of an object's internal matter content. Volume times density equals mass. It is possible to calculate the gravitational force acting on a mass by figuring out its weight.

force = mass x acceleration

Rearranging this formula we get:

mass = force / acceleration

Substituting the given values, we get:

mass = 56 N / 8 m/s²

mass = 7 kg

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Both copper and silver are good conductor of electricity but only copper is used for making electrics wire and not silver because silver is expensive material when compared to copper.

Despite the fact that silver is an excellent heat conductor, it is not used in the production of electrical wire because of its high cost. Silver is a valuable metal that is used to make jewelry, high-value coins, and electroplating. Because of this, silver is not used to make electric wires. When it is exposed to air, silver quickly oxidizes and becomes tarnished.

Copper is nearly always utilized because of its low cost and the fact that it is an adequate conductor for the majority of uses. In comparison to copper, silver has a resistivity that is just marginally lower; yet, due to its higher density, the two elements are almost comparable in terms of their ratio of resistivity to mass.

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Answer:

Force = 4.25 Newton

Explanation:

Given the following data;

Mass = 10 kg

Momentum = 15 Kgm/s

Time, t = 20 seconds

Final velocity, V = 10 m/s

To find the average force required;

First of all, we would determine the initial velocity of the object.

Momentum = mass * velocity

15 = 10 * velocity

Velocity = 15/10

Velocity = 1.5 m/s

Next, we would determine the acceleration of the object by using the first equation of motion;

V = U + at

10 = 1.5 + a*20

10 - 1.5 = 20a

8.5 = 20a

Acceleration, a = 8.5/20

Acceleration, a = 0.425 m/s²

Lastly, we would find the average force by using the formula;

Force = mass * acceleration

Force = 10 * 0.425

Force = 4.25 Newton

Answer:

a = 2.25 m/s^2

Explanation:

The solution is in the image. Also, knowing this picture is from a Schoology assessment page, if this is a test, try to solve the question yourself before asking for help. Also, specify which part you need help on.

Increase in speed leads to increase in kinetic energy

Answer:

the twenty-fourth, and last, letter of the Greek alphabet (Ω, ω), transliterated as ‘o’ or ‘ō.’.

Explanation:

Answer:

The penguins are gliding foward without stopping because there is no external force changing their state.

Explanation:

Newtons first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force.

Answer:

Explanation:

Starting from rest, the wheel accelerates to an angular velocity of

ω = (2.52 rad/s²) (7.03 s) ≈ 17.7 rad/s

then undergoes a new acceleration α until it comes to a rest. It does so in 11.9 revolutions, or with an angular displacement of (11.9 rev) • (2π rad/rev) = 23.8π rad. So α satisfies

0² - ω² = 2 α (23.8π rad)

α = - ω² / (47.6π rad)

α ≈ -2.10 rad/s²

The condition for the phase difference (in radians) between two waves of the same wavelength that must exist for there to be constructive interference is 2mπ, where m = 0, +1, +2, etc.

A waveform signal's wavelength is defined as the separation between two identical points (adjacent crests) in adjacent cycles as the signal travels through space or along a wire. The wavelength is the gap between 2 wave crests and in troughs have the equal wavelength. The frequency is expressed in cycles per second and is the total number of vibrations that pass over a specific area in one second. The distance between crests or troughs can be used to calculate the wavelength. Two waves of the same wavelength must have coincident crests and valleys in order for their interference to be beneficial. As a result, the phase difference between the waves must be an integer multiple of wavelengths. m * (2 rad), where m = 0 or 1, 2, etc.

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Both given statements are true. An atom has a nucleus, an electron cloud, and subatomic particles.

There are two main parts of an atom i.e. nucleus (protons + neutrons) and the electron cloud which is composed of three subatomic particles: electrons, protons, and neutrons.

An electron is a subatomic particle having a negative charge on it.

While protons are positively charged particles and are found in the nucleus of an atom due to strong nuclear forces.

On the other hand, a neutron, as the name suggests, is a neutral subatomic particle having no charge at all.

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Answer:

It is 6.02 kilograms.

Explanation:

One kilogram is equal to 9.81 Newtons. To convert Newtons to Kilograms,divide by 9.81. For instance, 20 Newtons would be equivalent to 20/9.81 or 2.04 kilograms

Answer:   By squeezing the balloon, you reduce the space the gas particles can occupy. As the particles are pushed a bit closer together, they collide with more, so the pressure from the moving gas particles increases. If the volume increases, its pressure decreases.

At a typical rate of 1 centimeter per year, it would take approximately 350 million years for two continents located 3500 kilometers apart to collide.

At a rate of 1 centimeter per year, the motion of tectonic plates is relatively slow. If two continents are 3500 kilometers (3,500,000 meters) apart, it would require 350 million years for them to collide. This calculation is based on the assumption that the rate of plate motion remains constant over such a long period, which is not always the case in reality. The collision of continents is a complex process influenced by various factors, including plate boundaries, geological activity, and the presence of other landmasses. Nevertheless, the estimation provides a rough idea of the timescale involved in continental collision at this rate of plate motion.

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Answer:

9 and 4

Explanation:

The relation is:

● r = s^2 / t^2

Triplind s means multiplying it by 3. Since it's an equation we should multiply both sides by the same number

Let k be the number we should multiply by r

●k* r = (3s)^2 / t^2

●k* r = 9s^2 /t^2

We have multiplied s^2 by 9 so we should do the same for r.

k = 9

■■■■■■■■■■■■■■■■■■■■■■■■■■

Doubling t means multiplying it by 2.

Let x be the number we shoukd multiply by r.

● x* r = s^2/(2t)^2

● x*r = s^2/ 4t^2

We have multiplied t^2 by 4 so we should do the same for r.

x= 4

The speed of the block after the bullet embeds itself in the block is 6.01 m/s. The kinetic energy of the bullet plus the block before the collision is 1866 J. The kinetic energy of the bullet plus the block after the collision is  111.3 J. The rise in thermal energy of the bullet plus block as a result of the collision is 1755.7 J.

A). The final momentum of the system is:

\(p_f\) = (m_bullet + m_block) * \(v_f\)

\(p_f\) = (0.093 kg + 3 kg) * \(v_f\)

\(p_f\) = 3.093 kg * \(v_f\)

\(p_i = p_f\)

18.6 kg*m/s = 3.093 kg * \(v_f\)

\(v_f\)= 6.01 m/s

B). The kinetic energy of the bullet plus the block before the collision is:

\(K_i\) = (1/2) * \(m{_bullet}\) * v_bullet² + (1/2) *\(m{_block}\) * 0²

\(K_i\) = (1/2) * 0.093 kg * (200 m/s)²

\(K_i\) = 1866 J

c) The kinetic energy of the bullet plus the block after the collision is:

\(K_f\) = (1/2) * (\(m{_bullet}\) + \(m{_block}\)) *\(v_f\)²

\(K_f\) = (1/2) * 3.093 kg * (6.01 m/s)²

\(K_f\) = 111.3 J

D) \(Delta_E = K_i - K_f\)

\(Delta_E = 1866 J - 111.3 J\)

\(Delta_E = 1755.7 J\)

Momentum refers to the physical property of an object in motion that depends on both its mass and velocity. It is defined as the product of an object's mass and velocity and is a vector quantity, meaning it has both magnitude and direction. In other words, momentum is the measure of how much force an object can apply when it collides with another object.

According to the law of conservation of momentum, the total momentum of a system remains constant unless acted upon by an external force. This means that if two objects collide, the total momentum of the system before the collision is equal to the total momentum after the collision, even if the objects' velocities and directions change.

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The process of foliation and bedding affects the weathering of the rock layer by changing the formation, alignment, textures, and direction of the mineral grains and particles of the rock.

Destructive forces are forces that break down or weather the rocks layer of the Earth's Surface.

Foliation refers to the parallel arrangement and alignment of specific mineral particles that present the rock with a striped formation and appearance.

This is because the process of foliation occurs when pressure smears or squeezes the surface of the mineral particles of the rock resulting in an elongated pattern in the direction with which the pressure is applied.

Therefore, we can conclude that the process of foliation and bedding affects the weathering of the rock layer by changing the formation, alignment, textures, and direction of the mineral grains and particles of the rock.

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Answer:

I'm not that busy solving but I'll tell you the formula that Force x distance is equal to work done

The work is done on a pumpkin when we lift it by 15 m with 24 N is 360 J

Work done is the amount energy gained (loosed) in bringing the body from initial position to final position. It is denoted by W and its SI unit is joule(J).  

i.e. Work(W) is force(F) times displacement(s).

W=F× s

When a body is displaced with 1 newton of force by 1 m, then we can say that work has been done on the body by 1 joule.

Writing for it's dimension,

W=F× s

Force has dimension [L¹ M¹ T²]

Displacement has dimension [L¹]

multiplying both the dimensions Force and Displacement  

we get,

dimension of Work [L² M¹ T²]

According to newton's second law of motion,

Force(F) is mass(M) times acceleration(a).

i.e. F=ma

Given,

Force = 24 N

Displacement = 15 m

W=F.s= 24*15 = 360 J

Hence work done on pumpkin is 360 J

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Answer:

A because the bigger it is the the more force needs to act apond it

Explanation:

Answer:

ur answer is correct good job

Explanation:

Answer:

A) The ball will roll forever in a straight path.

The wave is traveling in the -z-direction.

Given:

ex=e0cos(kz+ωt),ey=ez=0.

What is the answer of Part A?

If we write the argument of the cosine function as,

kz + ωt = K (z + ct)

we see that the wave is traveling in the -z-direction.

Because E and B are perpendicular to each other and to the direction of propagation, and E is in the x-direction, B can have only y-component, with magnitude \(B_{0}\) = \(E_{0}\)/C

Thus, the wave is traveling in the -z-direction.

What is the answer of Part B?

Since,   \(E_{0}\) = C\(B_{0}\)

            \(B_{0}\) = \(E_{0}\)/C

What is the answer of Part C?

Ex- B, and V must be perpendicular to each other. So, B must be along the y-axis. Also, V is in x-z. So, B will be along -y-axis.

∴ex=e0cos(kz+ωt),ey=ez=0.

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Answer:

C

Explanation:

Both travel rearward, but the daughter accelerates more quickly motion.

Every action has an equal and opposite response, according to Newton's third law of motion. Consequently, when the two skaters collide. They'll both advance backward together.

However, the mother weighs 100 kg, compared to the daughter's 50 kg. due to the daughter's lower mass. Daughter as a result accelerates more quickly in the reverse direction.

As a result, both travel backward, but the daughter does so more quickly than the mothe motionr.

The following is an expression that represents Newton's second law:

a = F/m and F = ma or

According to this law, a body's acceleration is determined by two variables. The first is the body's mass and the net force that is operating on it. The acceleration is directly proportional to the net force acting on the body and inversely proportional to the mass.

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Answer:

5.03×10¯⁷ N

Explanation:

From the question given above, the following data were obtained:

Mass of the person (M₁) = 55 Kg

Mass of the car (M₂) = 1234 Kg

Distance apart (r) = 3 m

Gravitational constant (G) = 6.673×10¯¹¹ Nm²/Kg²

Force (F) =?

The force between the person and his car can be obtained as follow:

F = GM₁M₂ / r²

F = 6.673×10¯¹¹ × 55 × 1234 / 3²

F = 6.673×10¯¹¹ × 67870/ 9

F = 5.03×10¯⁷ N

Thus, the force between the person and his car is 5.03×10¯⁷ N

Early morning clouds will change to partly cloudy sky later in the day temperature . High 52F. SW winds 10 to 20 mph.

Except for the Mediterranean region, where pleasant winters and scorching summers are more common, France typically experiences moderate winters and mild summers. The usual winter ranges from 32 to 46 degrees Fahrenheit, while the typical summer ranges from 61 to 75 degrees.

Maximum daily temperatures in July ranged from 20°C to 43°C (68°F to 109°F). The range of daily lows in July is 45°F to 66°F (7°C to 19°C).

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There are 1,048,576 possible outcomes (microstates) when flipping 20 fair coins. The probability of getting the sequence "HTHHTTTHTHHHTHHHHTHT" in exactly that order is approximately 9.5367e-07.

a) There are 2 possible outcomes (heads or tails) for each coin flip, and since there are 20 coin flips, the total number of possible outcomes, or microstates, is given by 2²⁰

Answer: 2²⁰= 1,048,576 possible outcomes.

b) To calculate the probability of getting the sequence "HTHHTTTHTHHHTHHHHTHT" in exactly that order, we need to determine the probability of obtaining each individual outcome (head or tail) and multiply them together.

Since each coin flip is independent and has a 1/2 chance of resulting in either heads or tails (assuming the coins are fair), the probability of obtaining the desired sequence is (1/2)²⁰

Answer: (1/2)²⁰≈ 9.5367e-07

c) To calculate the probability of getting exactly 12 heads and 8 tails in any order, we need to determine the number of ways to arrange 12 heads and 8 tails within the 20 coin flips.

This can be calculated using the binomial coefficient, also known as "n choose k." The formula for the binomial coefficient is:

C(n, k) = n! / (k! * (n-k)!)

Where n is the total number of coin flips and k is the number of heads.

Using this formula, the probability can be calculated as follows:

P(12 heads and 8 tails) = C(20, 12) * (1/2)^20

Calculating C(20, 12):

C(20, 12) = 20! / (12! * (20-12)!)

          = 20! / (12! * 8!)

          = (20 * 19 * 18 * 17 * 16 * 15 * 14 * 13) / (8 * 7 * 6 * 5 * 4 * 3 * 2 * 1)

          = 125,970

P(12 heads and 8 tails) = 125,970 * (1/2)^20

Answer: P(12 heads and 8 tails) ≈ 0.12013435364 (approximately)

a) There are 1,048,576 possible outcomes (microstates) when flipping 20 fair coins.

b) The probability of getting the sequence "HTHHTTTHTHHHTHHHHTHT" in exactly that order is approximately 9.5367e-07.

c) The probability of getting exactly 12 heads and 8 tails in any order is approximately 0.12013435364.

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The minimum angle that the  ladder make with the floor before it slips with the force is 45 Degree.

Given data:

The coefficient of static friction force between ladder and floor is, \mu =0.5.

Apply the Newton' law in vertical direction to obtain the value of Normal Force (P) as,

N = mg

And force along the horizontal direction is,

F= μ*N

F = μ*mg

Now, taking the torque along the either end of ladder as,

-mgcosθ * L/2 = (μmg)*sinθ*L

cosθ*1/2 = μsinθ

tanθ = 1/(2*0.5)

tanθ = 1/1 = 1

tanθ = tan 45

θ = 45

Thus, we can conclude that the minimum angle that the  ladder make with the floor before it slips with the force is 45 Degree.

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Binding energy refers to the energy needed to break apart a nucleus into its individual nucleons. The correct answer is c. 9.5 MeV.

Nucleons are particles found in the nucleus, which include protons and neutrons.

For atoms with A 100, the binding energy per nucleon is approximately 9.5 MeV. This means that on average, each nucleon in the nucleus of an atom with A 100 is bound to the others by 9.5 MeV of energy.
For atoms with A 100, the binding energy per nucleon is approximately 8 MeV. Your correct answer is e. 8 MeV. The binding energy is the energy required to disassemble a nucleus into its constituent nucleons (protons and neutrons). In this case, for atoms with a mass number (A) of 100, the binding energy per nucleon is approximately 8 MeV.

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