A coil has 150 turns enclosing an area of 12.9 cm2 . In a physics laboratory experiment, the coil is rotated during the time interval 0.040 s from a position in which the plane of each turn is perpendicular to Earth's magnetic field to one in which the plane of each turn is parallel to the field. The magnitude of Earth's magnetic field at the lab location is 5.40×10−5T .
Part A: What is the magnitude of the magnetic flux through one turn of the coil before it is rotated?
Express your answer in webers.
Part B: What is the magnitude of the magnetic flux through one turn of the coil after it is rotated?
Express your answer in webers.

The total distance it travels in one period is 0.44m

Distance is a numerical or every so often qualitative size of how some distance aside items or factors are. In physics, the distance may check with the physical duration or an estimation primarily based on other criteria.

The space between the two factors in the physical space is the period of an immediate line among them, that's the shortest feasible course.

It reduces the entire or a part of the arena to a small sheet of paper. At the same time of making a map, cartographers have to pay attention to properly constitute the distance between two locations.

Calculation:

amplitude = 0.11m

total distance (s) = 4 (amp)

4 × 0.11 = 0.44m

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Scientists use GPS (Global Positioning System) to measure the rate of tectonic plate movement.

GPS is a tool that can be used to measure the distance between two points on the Earth's surface. It does this by measuring the time it takes for a signal to travel from a satellite in orbit to a receiver on the ground. This measurement can be used to determine the precise location of the receiver.

This location can then be compared to previous measurements to calculate the rate of movement of the tectonic plate. The GPS system uses a network of satellites orbiting the Earth to provide accurate timing and location information. GPS receivers on the ground can detect signals from these satellites and use them to determine the receiver's position with a high degree of accuracy.

Scientists place GPS receivers on the Earth's surface near tectonic plate boundaries. They then measure the distance between these receivers and other nearby receivers at regular intervals over time. By comparing the positions of the receivers over time, scientists can determine how quickly the tectonic plate is moving and in what direction.

This information can help scientists better understand how tectonic plates move and interact, and can help them make more accurate predictions about future earthquakes and other geologic events.

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This statement suggests that the ice undergoes a phase change from solid to liquid, indicating heat transfer.

All of the ice will melt, and the final temperature of the mixture will be 10°C.

If the surroundings were at a lower temperature than the ice, heat would flow from the ice to the surroundings, causing the ice to freeze instead of melt.

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Answer:

the work done by the lawnmower is 236.14 J.

Explanation:

Given;

power exerted by the lawnmower engine, P = 19 hp

time in which the power was exerted, t = 1 minute = 60 s.

1 hp = 745.7 watts

The work done by the lawnmower is calculated as follows;

\(Work = Energy = \frac{Power}{time} \\\\Work = \frac{(19 \times 745.7)}{60} = 236.14 \ J\)

Therefore, the work done by the lawnmower is 236.14 J.

Answer:

power =? , Work done (WD) =? , mass (m) = 70g , Gravity (g) = 10 m/s² , height (h) = 5m , time = 7s

\(WD=Ep = mgh \\ = 70 \times 10 \times 5 \\ = 3500J \\ \\ \\ power = \frac{work \: done}{time} = \frac{3500}{7} \\ \\ power = 500 \: w\)

I hope I helped you^_^

Answer:

Plasma is by far the most common form of matter. Plasma in the stars and in the tenuous space between them makes up over 99% of the visible universe and perhaps most of that which is not visible. On earth we live upon an island of "ordinary" matter.

According to the question the speed of pulse is = 0.33m/s

Velocity is the pace and direction of either an object's movement, whereas speed is now the time rate which an object is travelling along a path. In other words, velocity is a vector, whereas speed would be a scalar value. If you determine how far an object travels in a certain amount of time, you can calculate its speed.For instance, an automobile is moving at a pace of 70 miles per hour if it covers 70 miles in an hour .

The equation for speed can be obtained by simply dividing time by distance.

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The critical speed below which the rope would become slack when the bucket reaches the highest point in the circle is determined by the length of the rope and the radius of the circle.

When the bucket is at the highest point in the circle, it is momentarily at rest and the tension in the rope must be zero.

The formula for calculating the critical speed at which the rope becomes slack is:

v = √(gr)

where v is the critical speed, g is the acceleration due to gravity, and r is the radius of the circle.

For example, if the radius of the circle is 2 meters and the acceleration due to gravity is 9.8 m/s², the critical speed would be:

v = √(9.8 × 2) = 4.4 m/s

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Answer:

25 N

Explanation:

Force : This is defined as the product of mass and acceleration. The unit of force is Newton or kgm/s².

From the question,

F = ma......................... Equation 1

Where F = Force of the brake, m = mass of the break, a = acceleration.

But,

a = v/t.................. Equation 2

where v = velocity, t = time.

Substitute equation 2 into equation equation 1

F = m(v/t)................ Equation 3

Given: m = 5.0 kg, v = 10 m/s, t = 2 seconds

F = 5(10/2)

F = 25 N.

Hence the average force of the brakes on the bike is 25 N

Answer:

The average force of the brakes on the bike is 25.0 N

Explanation:

The parameters given in the question are,

Mass, m = 5.0kg

Initial velocity, u = 10 m/s

Time, t = 2 sec

Since the bike came to a complete stop, then

Final velocity, v = 0 m/s

To determine the average force of the brakes on the bike; From Newton's second law of motion, Force is given as

F = ma

Where F is the force in N (Newtons)

m is the mass in kg

and a is acceleration in m/s²

Hence, we will first determine the acceleration.

From one of the equations of kinematics for linear motion,

\(v = u + at\)

Then,  \(a = \frac{v - u}{t\\}\)

Putting the given parameters into the above equation, we get

\(a = \frac{0 - 10}{2}\)

\(a = \frac{-10}{2}\\ a = - 5\)m/s²

The negative sign indicates deceleration since the bike came to a stop,

Hence, \(a = 5\) m/s²

From,

F = ma

F = 5.0 × 5

F = 25.0 N

Answer: It is matter

Explanation:

Answer:

D

Explanation:

Trust me, I just did the test. :) :) :)

If a magnet is strong enough to hold a paper piece to a refrigerator door, gravity attracts will draw the magnet towards the door. Without contacting the door, .

The correct statement is B.

All objects are drawn toward one another by the force known as gravity. The Moon and indeed the Earth are drawn to one another, as are the Sun or the Earth, and people are drawn to the Earth and also the Earth to humans. Gravity is the cause of all of these attractions.

The fact that force of gravity always attract and just never repel sets them apart from magnetic forces, for example. The gravitational force is the result of the interaction between mass of the Earth and any nearby bodies.

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Yes the given statement is true. Negative acceleration of an object shows that the object is slowing down.

The rate of change of velocity with respect to time is nothing but the acceleration. It is considered as a vector quantity that has both magnitude and direction. Its SI unit is m/s², and its dimension formula is [LT⁻²]. Mathematically

Acceleration, a = (v₂ - v₁)/Δt

Where v₂ is the final velocity after time Δt, and v₁ is the initial velocity. If the acceleration is negative it means final velocity is smaller than initial velocity. It means object is slowing down. Negative acceleration is also called deceleration. Hence the given statement is true.

--The given question is incomplete, the complete question is:

"Is it true that If the acceleration of an object is negative the object must be slowing down?"--

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Answer:

2 м/с

Explanation:

Скорость надо разделить на время, за которое она достигается (10/5=2)

The tension in the rope at the lower part of the swing is 388.2 N.

The tension in the rope at the lower part of the swing is calculated by applying the following formula.

T = W + Fc

where;

T = mg + mac

T = m (g + ac)

T = m (g + v²/r)

where;

The magnitude of the tension in the ropes is calculated as;

T = 30.8 (9.8  +  4.2²/6.29)

T = 388.2 N

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Blocks x and y exerts action-reaction forces on each other with 146.1 N and 53.1 N respectively.

The given parameters:

mass of block x = 10 kg

mass of block y = 5 kg

magnitude of the frictional force of block x = 8 N

magnitude of the frictional force of block y = 4 N

the applied force to the right = 40 N

To find:

The block y pulls block x to the left with the following reaction forces;

Force of block y = force due to its own weight + frictional force

where;

g is the acceleration due to gravity = 9.81 m/s²

Thus, block y reacts on block x with a force of 53.1 N

The block x acts on block y towards the right direction with following forces;

Force of block x on y =  force due to its own weight + frictional force + applied force to the right

Thus, block x acts on block y with a force of 146.1 N

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Answer:

a

Explanation:

vector is size and direction

hope this works :)

Infrared wave basically have shorter wavelengths than X-rays. The correct option is A.

A section of the electromagnetic radiation spectrum with wavelengths ranging from roughly 700 nanometers (nm) to one millimetre is known as infrared radiation (IR), or simply infrared (mm).

While shorter than radio waves, infrared waves are longer than visible light waves.

Infrared radiation has the ability to ease muscle tension and encourage local blood circulation.

Infrared radiation has been used in conventional medicine to treat conditions including autoimmune diseases and issues with wound healing in addition to relieving muscle pain and tension.

Infrared waves are shorter than radio waves but longer than visible light waves.

Thus, the correct option is A.

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A force of approximately 3123.33 Newtons must be applied to the small piston to support the car on the hydraulic lift.

To calculate the force required to support the car on the hydraulic lift,  use Pascal's law, which states that the pressure applied to an enclosed fluid is transmitted equally in all directions.

The formula to calculate the force exerted on a piston is:

Force = Pressure x Area

Given:

Area of the small piston (A1) = 0.95 m^2

Area of the large piston (A2) = 4.03 m^2

Weight of the car (W) = 13,622 N

First, let's calculate the pressure exerted by the car on the large piston:

Pressure = Force / Area

Pressure = Weight of the car / Area of the large piston

Pressure = 13,622 N / 4.03 m^2

Now, using Pascal's law, we know that the pressure is transmitted equally to the small piston:

Pressure on the small piston = Pressure on the large piston

Let's substitute the values into the equation:

Force on the small piston = Pressure on the small piston x Area of the small piston

Force on the small piston = Pressure on the large piston x Area of the small piston

Force on the small piston = (13,622 N / 4.03 m^2) x 0.95 m^2

Force on the small piston ≈ 3123.33 N

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If the 4.2 billion dollars were all in 1-dollar bills and laid out end-to-end, the trail would be approximately 404,994 miles long.

To calculate the length of the trail formed by 4.2 billion 1-dollar bills laid out end-to-end, we need to multiply the number of bills by the length of each bill. Given that a 1-dollar bill is 6.14 inches long, we can convert this to miles by following a step-by-step process.

First, we need to convert inches to feet by dividing the length of the bill by 12 (since there are 12 inches in a foot):

6.14 inches / 12 = 0.5117 feet.

Next, we need to convert feet to miles by dividing the length in feet by 5280 (since there are 5280 feet in a mile):

0.5117 feet / 5280 = 0.000097 miles.

Finally, we can determine the length of the trail by multiplying the length of one bill by the total number of bills:

0.000097 miles/bill * 4.2 billion bills = 404,994 miles.

Therefore, if the 4.2 billion dollars were all in 1-dollar bills and laid out end-to-end, the trail would be approximately 404,994 miles long.

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The prove of  Angle XYZ- Angle NYM is given below:

Note that from the image given;

Since ∠XYZ is said to be congruent to ∠NYM it can be proven by the use of the reflexive property.

The reflexive property is one that informs that any shape is regarded congruent to itself.

Since ∠NYM has a different way to call ∠XYZ that uses a different vertexes, but the sides are made up of the two angles which are said to be the same.

Therefore , ∠XYZ ≡ ∠NYM are proved by the reflexive property.

Since ΔXYZ is the same with Δ NYM, it can be proven by the AA (angle-angle) similarity theorem.

We have 2 angles Δ XYZ and Δ NYM:

Note that ∠YXZ ≡ ∠YNM

              ∠XYZ ≡ ∠NYM

So,  ΔXYZ is said to be the same to ΔNYM and it is proven by the AA similarity theorem.

Therefore, The prove of  Angle XYZ- Angle NYM is given below:

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Answer:

1. parrael

2. corresponding angles theorem

3. NYM

4. AA

Explanation:

just took it

Answer:

  58.7Ω

Explanation:

You want the equivalent resistance of 40Ω in series with the parallel combination of 25.4Ω and 70.8Ω.

The equivalent resistance of two parallel resistors, r1 and r2 is ...

  req = 1/(1/r1 +1/r2)

For the two given parallel resistors, that is ...

  1/(1/25.4 +1/70.8) ≈ 18.69 . . . . ohms

The circuit has a 40Ω resistor in series with this, so the equivalen resistance is ...

  40 +18.69 = 58.69Ω ≈ 58.7Ω

__

Additional comment

Since the given resistor values are expressed to 0.1 ohms, we have rounded the answer to the same precision. The exact value is 141158/2405 as shown in the calculator display—assuming the given values are exact.

Dawn's grand instrument named the infrared mapping spectrometer detected probable ice a short distance under much of Ceres' surface.

Ceres is classified as a dwarf plant by scientists because it has a different structure from its other neighbor rocky plants. Ceres is located betwee the two planets such as Mars and Jupiter.

Dawn's infrared mapping spectrometer detected that the bright material lying within a partially sunlit crater was 'ice'. Such findings imply that frozen water can build up at the bottoms of cold, dark craters on Ceres. Such 'cold traps' have been spotted on Earth's moon and on Mercury as well.

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A falling object will continue to accelerate to higher speeds until they encounter an amount of air resistance that is equal to their weight.

Hope this helps!

Technician B is correct. According to Ohm's law, there are three fundamental electrical quantities: voltage (V), current (I), and resistance (R).

Ohm's law states that these three quantities are related by the equation:

V = IR.

This means that the potential difference across the two ends of a conductor is directly proportional to the product of the current and the resistance offered by the conductor. If you know any two of the measurements (voltage, current, or resistance), you can use Ohm's law to calculate the value of the third quantity. This makes it possible to check a circuit by using Ohm's law in various ways.

Technician A's statement is incorrect as Ohm's law itself does not provide multiple ways to check a circuit. However, it is a useful tool for understanding and analyzing circuits by providing a mathematical relationship between voltage, current, and resistance.

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Answer:

Elastic goods and services generally have plenty of substitutes. As an elastic service/good's price increases, the quantity demanded of that good can drop fast. Example of elastic goods and services include furniture, motor vehicles, instrument engineering products, professional services, and transportation services.

Explanation:

elasticity of supply measures the responsiveness to the supply of a good or service after a change in its market price. According to basic economic theory, the supply of a good will increase when its price rises. Conversely, the supply of a good will decrease when its price decreases.

(a) The magnetic force experienced by the wire when it perpendicular is 0.01 N.

(b) The magnetic force experienced by the wire when the angle is  30⁰ is 5 x 10⁻³ N.

(c) The magnetic force experienced by the wire when it parallel is 0 N.

The magnetic force experienced by the wire is calculated by applying the following;

F = BIL x sin(θ)

where;

When the angle of inclination is perpendicular,  

F = 1 x 10⁻² x 10 x 0.1 x sin(90)

F = 0.01 N

When the angle of inclination is 30⁰,

F = BIL x sin(θ)

F = 1 x 10⁻² x 10 x 0.1 x sin(30)

F = 5 x 10⁻³ N

When the wire is parallel, the angle is 0⁰,

F = BIL x sin(θ)

F = 1 x 10⁻² x 10 x 0.1 x sin(0)

F = 0 N

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Answer:

Mass and kinetic energy have a positive relationship, which means that as mass increases, kinetic energy increases, if all other factors are held constant.

In this state, Kinetic energy is equal to half of the product mass and velocity. SI unit is joules. So it's if the mass is doubled then the kinetic energy also gets doubled.

Answer:

300x480 teaspoons

Explanation:

when converting cups to teaspoons just multiply by 48

Answer:

The answer should be 3tsp

Explanation:

3tsp