In which direction does the magnetic field in the center of the coil point ?

Answer:

That rule describes how a charged particle (our electron) moving in a magnetic field will be deflected by that field at a right angle to both the field and to the direction of the particle. ... The electrons in the cathode rays would deflect toward the positively charged plates, and away from the negatively charged plates.

Explanation:

ur welcome

Answer:

4/2=2m/s

Explanation:

Answer:

What is deep water current

Explanation:

When the water molecules of the ocean become heated, they expand. ... Since warmer water thus can hold more salt and other molecules than cold water; it can have a higher salinity. To relate this to ocean currents, the higher the salinity of ocean water, the more dense it becomes.

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The peeled orange is much heavier than the water and hence it sinks and the whole orange is float as it is less denser than water.

The objects that float or sink depend on the buoyancy. Buoyancy is the tendency of the object to float in the liquids or fluids. When an object is immersed in a fluid, the object experience an upward force called buoyancy.

When the object sinks, its weight is less than the upward force or buoyancy. When the object floats, its weight is greater than the upward force.

The whole orange has a rind and the rind have tiny air pockets. When the orange is immersed in water, the water enters into the tiny air pockets and makes the orange less weight than the upward force and hence it floats.

When the rind is removed from the orange, the water can not enter the orange. Thus, the weight of the orange is greater than the upward force. Hence, it sinks.

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The sun's radiant energy is of shorter wavelengths than the earth's is because the sun has higher temperature than the earth.

As the temperature of a blackbody radiator increases, the total energy emitted increases and the peak of the radiation curve shifts to shorter wavelengths. Calculating the maximum from the Planck radiation formula shows that the product of peak wavelength and temperature is constant.

Because the Sun is hotter than the Earth, it emits radiation at shorter wavelengths, and the hot Planck curve peaks at shorter wavelengths. For this reason, the Earth's radiation is called long-wave, and the Sun's is called short-wave.

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To make the net gravitational force on particle A from particles B, C, and D zero, particle D should be placed at the x coordinate of -11 cm and the y coordinate of 0 cm.

The net gravitational force on particle A from particles B, C, and D can be calculated using the formula for gravitational force:

F = G * (m₁ * m₂) / r²

Where F is the gravitational force, G is the gravitational constant, m₁ and m₂ are the masses of the two particles, and r is the distance between them.

Since the net gravitational force on particle A should be zero, we can set up an equation:

FAB + FAC + FAD = 0

Using the given information that the distance d is 22 cm and the masses of particles B, C, and D are known in terms of mA, we can calculate the x and y coordinates for particle D.

By applying the principle of superposition, we can calculate the net gravitational force on particle A from particles B, C, and D at the x coordinate and y coordinate of particle D. By adjusting the position of particle D, we can find the coordinates that result in a net gravitational force of zero on particle A.

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A) The wavelength of the sound wave corresponding to the note G5 on a piano is approximately 0.439 meters.

B) Each vibration of the sound wave takes approximately 1.28 milliseconds.

C) The wavelength of the sound wave one octave higher than the note in part A is approximately 0.219 meters.

(A) The formula to calculate the wavelength (λ) of a sound wave is:

λ = v/f

where v is the speed of sound and f is the frequency of the sound wave.

Substituting v = 344 m/s and f = 784 Hz, we get:

λ = 344 m/s / 784 Hz ≈ 0.439 m

(B) The time period (T) of a sound wave is the time taken for one complete vibration or cycle. It is related to the frequency (f) by the formula:

T = 1/f

Substituting f = 784 Hz, we get:

T = 1 / 784 Hz ≈ 0.00128 seconds

To convert seconds to milliseconds, we multiply by 1000:

T ≈ 1.28 milliseconds

(C) One octave higher than the note G5 on a piano would have a frequency of 1568 Hz (i.e., double the frequency of G5). Using the same formula as in part A, we can calculate the wavelength of the corresponding sound wave:

λ = 344 m/s / 1568 Hz ≈ 0.219 m

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Answer:

When the student slides the rock along the flat surface of the frozen pond, according to Newton's second law of motion, the rock is given an initial velocity of motion. According to Newton's first law of motion, the rock will continue to slide indefinitely unless it is slowed or stopped by an opposite force. According to Newton's third law, the rock experiences a reaction force from the force of friction of the ice which slows it down at a rate given by Newton's second law of motion and the rock is seen to decelerate

Explanation:

Newton's first law of motion, states that an object will remain at rest or maintain a uniform motion in a straight line, unless impressed upon by an external force

Newton's second law states that an applied force is equal to the rate of change of momentum it produces

Newton's third law states action and reaction are equal and opposite.

Answer:

"solve: given that F -12 N and time 4 seconds and let we have to find out the P.

F = 12 N

t = 4 s

p = ?

F = m×( v - u ) / t

12 = m×v / 4

m×v = 12× 4

p = 48 kg m/s

Linear momentum will be 48 kg m/s.

Explanation:

Answer:52.5

Explanation:

You pull a sled with a package on it across a snow-covered flat lawn. If you apply a force of 65.1 N to the sled, it accelerates at 1.24 m/s2. The combined mass of the package and the sled m = 52.50 kg

The given data to find Mass,

The force applied to the sled, F = 65.1 N

Acceleration of the sled, a = 1.24 m/s²

Forces are defined by both strength and direction.

Force is a vector quantity. It is a quantity that is described by Magnitude and Direction. The strength of a force is its magnitude and the direction, well it is the direction the magnitude is applied on the object.

We need to find the combined mass of the package and the sled. Let it is m. Using definition of force as follows :

F = ma

m = F/a

m = 65.1 /1.24

Mass, m = 52.5 Kg.

If you apply a force of 65.1 N to the sled, it accelerates at 1.24 m/s2. The combined mass of the package and the sled m = 52.50 kg

Hence, Option C is the correct answer.

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The concave mirror is a spherical-shaped mirror that has an inner curved surface. Hence, option (4) is correct.

What is a concave mirror?

The concave mirrors are spherical-shaped mirrors that are painted on the outward surface. It is also known as the converging mirror, having the recessed inner reflecting surface.

Thus, we can conclude that the surface of the concave mirror is curved inward. Hence, option (4) is correct.

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Answer:

D. It curves inward

Explanation:

Answer: A) and D)

Explanation:

Given:

The mass on the table is,

The hanging mass is,

THe coefficient of friction is,

let the acceleration of the whole system is a (for the hanging mass it is downward and for the mass on the table it is rightward). the tension towards The fixed point of the pulley is T.

we can write,

Adding these equations we get,

Substituting the values we get,

Hence the acceleration is 6.66 m/s^2.

Answer:

b ac power source

Explanation:

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Answer:  B.

switch

Explanation: edmentum

Answer: if the door knob is metal the static electricity will exit your body, but shock you in the process

Explanation:

Answer:

1.08 x 10⁷N

Explanation:

Given parameters:

Mass of freight train  = 270700kg

Acceleration = 40m/s²

Unknown:

Force acting on the train = ?

Solution:

From Newton's second law of motion, we know that:

       Force  = mass x acceleration

So;

        Force  = 270700 x 40   = 1.08 x 10⁷N

Answer:

The correct option is C

Explanation:

Emperical data is a data that is collected or recorded during the course of an experiment by means of observation. In the case of the question, all the birds that came to the park were said to have had there feather colors and beak shapes recorded during the course of a student's observation.

Answer:

A qualitive

Explanation:

Answer:

When light is passed through a true solution, the dissolved are too small to deflect light. suspensions may scatter light, but if the number of suspended particles is sufficiently large, the suspension may simply be opaque, and the light scattering would not occur.

The mass : 0.125 lb⋅\(s^2\)/ft.

The damping coefficient : 3 lb⋅s/ft.

The spring constant : 2 lb/ft.

The initial conditions are given as x(0) = 20 in = 20/12 ft and dx/dt(0) = 4 ft/s.

(a) Finding the mass:

The mass can be calculated using the equation m = weight / g, where weight is given as 4 lb and g is the gravitational acceleration of 32 ft/\(s^2\). Therefore, m = 4 lb / (32 ft/\(s^2\)) = 0.125 lb⋅\(s^2\)/ft.

(b) Finding the damping coefficient:

The damping coefficient, denoted by c, can be calculated using the relationship between the viscous resistance and the damping coefficient. In this case, the damping coefficient c = viscous resistance / velocity. Given that the viscous resistance is 3 lb and the velocity is 4 ft/s, we have c = 3 lb⋅s/ft.

(c) Finding the spring constant:

The spring constant, denoted by k, can be calculated using Hooke's Law: k = force / displacement. The force exerted by the spring is equal to the weight of the mass, which is 4 lb. The displacement is given as 24 in = 2 ft. Therefore, k = 4 lb / 2 ft = 2 lb/ft.

(d) Setting up the differential equation:

The differential equation that describes the system can be set up using Newton's second law: m(\(d^{2x}\)/\(dt^2\)) + c(dx/dt) + kx = 0. Substituting the known values, we have (0.125 lb⋅\(s^2\)/ft)(\(d^{2x}\)/\(dt^2\)) + (3 lb⋅s/ft)(dx/dt) + (2 lb/ft)x = 0.

(e) Initial conditions:

The initial conditions are given as x(0) = 20 in = 20/12 ft and dx/dt(0) = 4 ft/s.

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The complete question is : A mass weighing 4 lb stretches a spring 24 in. Suppose the mass is displaced an additional 11 in in the positive downward) direction and then released with an initial upward velocity of 4 ft/s. The mass is in a medium, that exerts a viscuouse resistance of 3 lb when the mass has a velocity of 4 ft/s. Assume g=32 ft/s is the gravitational acceleration (a) Find the mass m (in lb - s2 /ft). m = (b) Find the damping coefficient c in lb.s/ft). c= (c) Find the spring contant k (in lb/ft). ka (d) Set up a differential equation that describes this system. Let to denote the displacement, in meters of the mass from its equilibrium position, and give your answer in terms of ,',". (e) Enter the initial conditions: 20 = 2'0) =

The illuminance on the object is approximately 23.52 lux.

The illuminance on an object can be calculated using the formula:

Illuminance = Luminous Flux / Area

In this case, the luminous flux is given as 665 lumens. To find the illuminance, we need to determine the area.

Since the object is 1.50 m away from the light source, we can imagine a sphere centered on the light source with a radius of 1.50 m. The surface area of this sphere can be calculated using the formula:

Surface Area = 4πr²

Plugging in the value of the radius (1.50 m) into the formula, we get:

Surface Area = 4π(1.50)² = 4π(2.25) ≈ 28.27 m²

Now we can calculate the illuminance:

Illuminance = Luminous Flux / Area = 665 lumens / 28.27 m² ≈ 23.52 lux

So, the illuminance on the object that is 1.50 m away from the light source with a luminous flux of 665 lumens is approximately 23.52 lux.

The illuminance on the object is approximately 23.52 lux.

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The minimum value of the coefficient of static friction for which the person does not slide is 0.276.

The individuals positioned against the wall do not move while the cylinder rotates. So, we can observe the balanced forces operating on the individual's body if we make a free-body diagram of the person.

Given that, the rate of rotation = 0.60 rev/s

The radius of the cylinder = 2.50m

Friction against the person's body = µN

\(F_{friction}\) = µN

where N is the normal reaction and µ is the coefficient of static friction.

Also, the gravitational force acting against the body = mg

\(F_{gravitation\\}\) = mg

where m is the mass of the body and g is the acceleration due to gravity.

Therefore,

µN = mg

µ = mg/N

The centrifugal force acting on the person's body = m\(\frac{mg}{mω²r}\)

Since normal force is balanced by the centrifugal force,

N = mω²r

Substituting the value of N in the above equation,

µ = mg/mω²r

  = g/ω²r

  = 9.81/2π × Revolutions × 2.5

  = 9.81/2π × 0.6 × 2.5

  = 0.276

Therefore, The minimum value of the coefficient of static friction for which the person does not slide is 0.276.

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The period (T) of the oscillation is approximately 0.625 seconds.

The angular frequency (ω) of the oscillation is approximately 10.03 radians per second.

The amplitude (A) of the oscillation is 6.20 cm.

The phase constant (φ) of the oscillation is π radians (or 180 degrees).

To find the period (T) of the oscillation, we use the formula:

T = 1 / frequency

Frequency (f) = 1.60 Hz

Substituting the value:

T = 1 / 1.60 Hz

T ≈ 0.625 s

Therefore, the period of the oscillation is approximately 0.625 seconds.

To determine the angular frequency (ω), we use the formula:

ω = 2πf

Given:

Frequency (f) = 1.60 Hz

Substituting the value:

ω = 2π * 1.60 Hz

ω ≈ 10.03 rad/s

Therefore, the angular frequency of the oscillation is approximately 10.03 radians per second.

To determine the amplitude (A), we use the given position (x) at t = 0:

x = 6.20 cm

Therefore, the amplitude of the oscillation is 6.20 cm.

To determine the phase constant (φ), we use the given velocity (vx) at t = 0:

vx = -40.0 cm/s

The phase constant is related to the initial phase of the motion. Since the velocity is negative at t = 0, it suggests that the object is moving in the negative x-direction. As a result, the phase constant (φ) is π radians (or 180 degrees).

Therefore, the phase constant of the oscillation is π radians (or 180 degrees).

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The energy in a capacitor is stored inside the dielectric slab. Therefore, the correct answer is D) Inside the dielectric slab.

A capacitor is a device that stores electrical energy in an electric field. It is made up of two conductive plates separated by a dielectric material. When a voltage is applied across the plates, an electric field is created between them, and the energy is stored in this field.

In the case of the capacitor described in the question, the energy is stored inside the dielectric slab that fills the space between the two plates. This is because the electric field is strongest in the region between the plates, where the dielectric material is located. The energy is stored in the form of an electric field within the dielectric material, and this is where the energy is stored in the capacitor.

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Super-Earth-sized exoplanet Tau Ceti e revolves around a G-type star. It is 0.538 AU away from its star, with a radius of 0.538 AU, has a mass of 3.93 Earth masses, has a mass of 3.93 Earth masses, has a mass of 3.93 Earth masses, has a mass 3.93 In 2017, word of its finding spread.

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Explanation:

Given mass of the object is 1200kg and it's placed at a height of 45m above the ground. As we know that potential energy is ,

\(\longrightarrow PE = mgh \)

where,

Substituting the respective values ,

\(\longrightarrow P.E. = 1200kg * 10m/s^2* 45m\)

Multiply ,

\(\longrightarrow P.E. = 540000J \)

Hence the potential energy is 540000J .

I hope this helps.

C. The magnitude of the acceleration of a planet in an orbit around the sun is proportional to the reciprocal of the distance between the planet and the sun.

The reciprocal of the distance between the planet and the sun ,This is known as Kepler's third law. The farther a planet is from the sun, the weaker the gravitational force between them and the slower the planet's acceleration.
The magnitude of the acceleration of a planet in an orbit around the sun is proportional to: C. The reciprocal of the distance between the planet and the sun.

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If the truck is moving with the same velocity, if the mass is cut in half then the momentum of the truck will also reduce to half.

The momentum of a body can be described as the function of the object's mass and velocity. Momentum (p) can be determined as kinetic energy and is the product of velocity (v) and mass (m).

The momentum of an object can be determined from the mathematical formula:

p = m×v

The momentum of an object is conserved and can be equal to zero if the object is stationary and its velocity of an object is zero.

Given, the truck has a momentum, p = 5000 units

Given that the mass of the truck is reduced to half. Then the new mass of the truck is equal m/2.  If the truck is still moving with the same velocity then the momentum is equal to:

p' = m' ×v

p' = (m/2) ×v

p' = mv/2

p' = p/2

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