what is induced current​

Answer:

(a) The package lands 682 meters horizontally ahead from the point the package was dropped from the plane

(b) The horizontal component = 39.0 m/s

The vertical component = 171.55 m/s

(c) The angle of impact is 77.19°

Explanation:

The parameters given are;

Velocity of the plane, vₓ = 39.0 m/s

Height of the plane above the ground, h = 1.50 × 10² m = 1,500 m

(a) The time, t, before the package hits the ground when dropped from the plane is given by the relation;

h = u·t + 1/2×g×t²

Where:

g = Acceleration due to gravity = 9.81 m/s²

u = Initial vertical velocity = 0 m/s

Hence;

1500 = 0×t + 1/2 × 9.81 × t² = 4.905·t²

∴ t = √(1500/4.905) = 17.49 s

The horizontal distance the package travels before landing = 17.49 × 39 ≈ 682 m

The package lands 682 meters horizontally ahead from the point the package was dropped from the plane

(b) The vertical velocity, \(v_y\), of the package just before landing is given by the relation;

\(v_y\)² = u² + 2·g·h

u = 0 m/s

∴ \(v_y\)² = 0 + 2×9.81×1500 = 29430 m²/s²

\(v_y\) = √29430  = 171.55 m/s

Hence the horizontal component = 39.0 m/s

The vertical component = 171.55 m/s

(c) The angle of impact, θ, is given as follows;

\(tan \theta = \dfrac{v_y}{v_x} = \dfrac{171.55}{39.0 } = 4.4\)

∴ θ = tan⁻¹(4.4) = 77.19°.

One example of Newton's third law is when a person pushes against a wall.

The person exerts a force on the wall, and the wall exerts an equal and opposite force back on the person. Another example is when a baseball is hit with a bat.

The bat exerts a force on the baseball, causing it to move forward, and the baseball exerts an equal and opposite force back on the bat, causing it to move in the opposite direction.

The same applies to the action of a rocket taking off from the ground. The rocket exerts a force on the exhaust gases, pushing them out the back of the rocket and causing the rocket to move forward, and the exhaust gases exert an equal and opposite force back on the rocket, propelling it upward.

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The correct answer to the statement is: During nuclear fission and fusion, matter that seems to disappear is actually converted into energy.

During nuclear fission and fusion, a small amount of matter is converted into a large amount of energy. This is due to the conversion of mass into energy, as described by Einstein's famous equation E=mc².

In nuclear fission, a heavy nucleus is split into two lighter nuclei, releasing a significant amount of energy in the process. The mass of the products of the fission reaction is slightly less than the mass of the original nucleus, due to the conversion of some of the mass into energy.

This released energy is in the form of kinetic energy of the fission products and gamma radiation.

In nuclear fusion, two lighter nuclei are combined to form a heavier nucleus, again releasing a large amount of energy. In this case, the mass of the products of the fusion reaction is slightly less than the combined mass of the original nuclei, due to the conversion of some of the mass into energy.

This released energy is in the form of kinetic energy of the fusion products and gamma radiation.

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While most pitches are encoded directly by the placement of a frequency on the membrane, low-frequency tones are encoded by the phase-locking of the auditory nerve fibers.

This means that the nerve fibers fire in synchrony with the sound wave and the brain can then interpret this as a low-frequency tone. This is because the membrane's responsiveness decreases at lower frequencies, making it more difficult for it to accurately encode the pitch information.
While most pitches are encoded directly by the placement of a frequency on the membrane, low-frequency tones are encoded by the timing of the membrane's vibrations, also known as phase-locking. This explanation means that low-frequency sounds are represented by the synchronization of the membrane's movements with the incoming sound waves, allowing for accurate encoding of these lower pitches.

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Of the possibilities mentioned, gamma rays have the highest energy per photon.

A photon's energy is directly inversely correlated with its wavelength and directly correlated with its frequency. In comparison to the other possibilities, gamma rays have the highest frequency and the shortest wavelength, meaning they contain the largest energy per photon. As opposed to the other possibilities, microwaves have the lowest frequency and the longest wavelength, which results in the lowest energy per photon. The option with the highest energy per photon is gamma rays. This is due to the fact that a photon's energy is inversely proportional to its wavelength and directly proportional to its frequency. In comparison to the other possibilities, gamma rays have the highest frequency and shortest wavelength, meaning they contain the largest energy per photon. Because they have longer wavelengths and lower frequency than gamma rays, visible light and infrared carry less energy. The energy of ultraviolet radiation is more than that of infrared and visible light, although it is still lower than that of gamma rays. Given the choices, microwaves have the lowest energy because they have the longest wavelength and lowest frequency.

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Answer:

150 N= 15 or 150 N= 1.1

Explanation:

What I did was subtract 165kg and 150 N and I divided it too but I got 1.1 so yuhh

The speed of waves that travel along the rope between two trees can be determined by using the formula: Speed of wave = √(F/μ). The speed that waves travel along the rope from one tree to the other is 69.235 m/s.

The speed that waves travel along the rope from one tree to the other. In order to find out the speed, we need to calculate the linear density of the rope. The linear density of the rope = mass of the rope / length of the rope= 0.621 kg / 10 m= 0.0621 kg/m Now, we need to calculate the force acting on the rope at one end. As the rope is stretched tight, the tension in the rope will be equal to the force acting on one end of the rope. Tension in the rope, T = 101 N Length of the rope, L = 4.51 m Mass of the rope, m = 0.621 kg So, the force acting on one end of the rope is: F = T + m * g where, g = acceleration due to gravity= 9.8 m/s²= 101 + 0.621 * 9.8F = 107.8938 N Speed of waves along the rope can be calculated using the formula: Speed of wave = √(F/μ)where, μ = linear density of the rope= 0.0621 kg/m Speed of wave = √(107.8938/0.0621)≈ 69.235 m/s Therefore, the speed that waves travel along the rope from one tree to the other is 69.235 m/s.

The speed of waves that travel along the rope between two trees can be determined by using the formula: Speed of wave = √(F/μ). The linear density of the rope can be calculated using the mass and length of the rope. The force acting on one end of the rope can be calculated using the tension in the rope and the mass of the rope.

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The kinetic energy of an 8.0 g bullet fired at 430 m/s, a 70 kg man would need to run at approximately 4.60 m/s. To find the velocity of the man, we can equate his kinetic energy to that of the bullet.

The kinetic energy of an object can be calculated using the formula:

K = 0.5 * m * v²

For the bullet:

K_bullet = 0.5 * 0.008 kg * (430 m/s)² = 739.28 J

For the man:

K_man = 0.5 * 70 kg * v_man²

Equating the two expressions for kinetic energy, we have:

739.28 J = 0.5 * 70 kg * v_man²

Solving for v_man, we get:

v_man^2 = (739.28 J) / (0.5 * 70 kg) = 21.12 m²/s²

Taking the square root of both sides, we find:

v_man ≈ 4.60 m/s

Therefore, the man would need to run at approximately 4.60 m/s to have the same kinetic energy as the bullet fired at 430 m/s.

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Answer:

The conservation of momentum of a system is a fundamental principle in classical mechanics. The only condition for this principle being valid is that the system should be an isolated one, i.e. It should not be acted upon by any external force.

Answer:

Yes, 54 inches is below the average height for an 11-year-old boy or girl. The average height for an 11-year-old boy is 56.4 inches, and the average height for an 11-year-old girl is 56.7 inches. However, it is important to remember that height can vary widely from person to person, and there is no single "normal" height. Some children may be naturally shorter or taller than average, and this is perfectly normal. If you are concerned about your child's height, it is always a good idea to talk to their doctor.

Here are some things that can affect a child's height:

Answer:

3 seconds is the average speed between 1 and 5

Answer:

The characteristic of light behavior that best helps explain the photoelectric effect is that light carries particles called photons. When the photons of light strike the metal surface, they transfer their energy to the electrons in the metal, and if the energy of the photons is high enough, they can cause electrons to be emitted from the metal surface. This phenomenon is known as the photoelectric effect, and it was first explained by Albert Einstein in 1905.

The speed of the object 7 seconds after it is dropped is -68.6 m/s (negative sign indicates downward direction).

The height of the object above the ground at time t is given by the equation h(t) = 625 - 4.9t².

To find the speed of the object at 7 seconds, we need to calculate the derivative of the height function with respect to time. The derivative gives us the rate of change of the height, which corresponds to the velocity or speed.

Taking the derivative of h(t) with respect to t:

h'(t) = d(h(t))/dt = d(625 - 4.9t²)/dt = -9.8t.

Now we can substitute t = 7 seconds into the derivative to find the speed at that time:

h'(7) = -9.8 * 7 = -68.6 m/s.

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The water budget equation for the Creek drainage basin is: Precipitation = Stream discharge + Evapotranspiration ± Change in storage.

To develop the water budget equation for this problem, we need to account for the inputs and outputs of water in the Creek drainage basin. The water budget equation can be expressed as,

P = Q + ET ± ΔS

P = Precipitation input (mm)

Q = Stream discharge (m³/s)

ET = Evapotranspiration (mm)

ΔS = Change in storage (mm)

First, let's convert the units of the given values,

Precipitation input (P) = 550 mm

Stream discharge (Q) = 1.8 m³/s

Now, let's determine the evapotranspiration (ET) and change in storage (ΔS) terms. However, the problem doesn't provide information about ET, so we cannot calculate it accurately. The problem doesn't provide information about ΔS, so we cannot calculate it accurately.

Given these limitations, we can write the simplified water budget equation for this problem,

550 mm = 1.8 m³/s + ET ± ΔS

Please note that without information about evapotranspiration and changes in storage, we cannot fully determine the water budget for the Creek drainage basin.

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Answer:  A or D

Explanation:

I need to see the graph

Answer:

mass of that object is = 30 × 29 = 870N

Answer:

The pressure of liquid column is given by p=hpg, where h is depth, p is density and g is acceleration due to gravity.

Therefore, pressure of the liquid column increases with depth. The height of the blood column in a human body is more at feet than at the brain. Therefore, the blood pressure in humans is greater at the feet than the brain.

Answer:

the above answer is correct hope it's help you have a great day ☺☺keep smiling be happy stay safe

The hydrogen transition that represents the absorption of a photon in the UV portion of the electromagnetic spectrum is Option E: n=1 to n=4.

In the hydrogen atom, the energy levels of the electrons are quantized, and transitions between these energy levels result in the emission or absorption of photons. The energy of a photon is directly related to the difference in energy between the initial and final states of the electron.

In this case, the transition from n=1 to n=4 represents the absorption of a photon in the UV portion of the electromagnetic spectrum. When an electron in the hydrogen atom absorbs a photon, it gains energy and jumps from the ground state (n=1) to the higher energy state (n=4). This transition corresponds to the absorption of UV light.

The energy of the photon absorbed is equal to the difference in energy between the n=4 and n=1 levels. The energy difference increases as the electron transitions to higher energy levels, which corresponds to shorter wavelengths in the UV portion of the electromagnetic spectrum.

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Answer:

greater their energy and higher their temperature.

Explanation:

The total kinetic energy of an ideal atomic gas is given by  

K.E = \(\frac{3}{2}Nk_bT\)

where  N  is the number of atoms, \(k_B\)  is the Boltzmann constant, and  T  is the temperature.

Also, The kinetic energy of a single particle is given by:

K.E = (1/2)mv²  

where m  is the mass of that particle and  v  is the velocity of that particle.

Thus, the faster the particles of a gas (an increase in velocity) leads to an increase in the kinetic energy of the particle. This increase in kinetic energy in turn leads to an increase in temperature of the particles.

Answer: the answer is b “The warmer a region of the atmosphere is, the more infared radiation it emits”

Explanation:

Answer:

a

Explanation:

i got it right

To choose the correct box plot, verify each of the options and make sure all the values in the plot match the values provided.

In a box plot, this value is represented by a vertical line located in the middle of the graph.

The maximum is the value located on the farthest right, while the minimum is located on the farthest left.

Divide the graph into 4 and analyze how much each quartile represents.

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Answer:

To choose the correct box plot, verify each of the options and make sure all the values in the plot match the values provided.

Explanation:

What is the “price” that you pay for using less force? The price that you pay for using less force is having to do more work.

.....................................

dont ask this is what i looked up and found

The "price" that you pay for using less force is:

Force is defined as the energy which is required to move or change the velocity of an object.

There are different types of force which includes:

As a result of this, if there is less force exerted on an object, then the "price" which would be paid for this is that the object would not move.

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Answer:

The SI units used to describe energy is Joule (J)

Answer: i think c

Explanation:QA: “What is ordinary glass made of ?”

Glass is mostly silica, or silicon dioxide, present as quartz in many types of sand. Pure silica forms a highly transparent glass, but has a very high melting or softening temperature, around 1700°C. Even at such high temperatures it is highly viscous and difficult to work. Its use is largely confined to applications requiring high transparency to ultra-violet and infra-red radiation, stability at elevated temperatures or low thermal expansion coefficient.

“Ordinary glass” windows and drinking vessels are typically made from soda-lime glass, containing silica with around 25% sodium, calcium and other oxides, which together reduce the softening temperature to roughly 500–600°C

The conduction of current on the postsynaptic neuron in an electrical synapse occurs through direct flow of ions between the presynaptic and postsynaptic neurons.

In electrical synapses, the conduction of current on the postsynaptic neuron occurs through direct flow of ions between the presynaptic and postsynaptic neurons. These synapses are formed by specialized structures called gap junctions, which create channels between the cells, allowing ions to pass through. The channels are formed by connexin proteins that span the plasma membranes of adjacent neurons.

When an action potential reaches the presynaptic neuron, it depolarizes the cell membrane and triggers the opening of voltage-gated ion channels. This results in the influx of positively charged ions, such as sodium (Na+), into the presynaptic neuron. As a result, the electrical potential of the presynaptic neuron becomes more positive.

Due to the direct connection provided by the gap junctions, these positive ions can flow through the channels into the postsynaptic neuron. This movement of ions generates an electrical current that spreads across the postsynaptic neuron. The current causes depolarization of the postsynaptic membrane, leading to the initiation of an action potential in the postsynaptic neuron.

The strength of the electrical synapse is determined by the size of the gap junctions and the number of connexin proteins present. The larger the gap junctions and the more connexin proteins, the more ions can pass through, resulting in a stronger electrical coupling between the neurons.

at electrical synapses, the conduction of current on the postsynaptic neuron occurs through the direct flow of ions between the presynaptic and postsynaptic neurons via specialized gap junctions. This direct electrical coupling allows for rapid and synchronized transmission of signals. Electrical synapses are particularly important in neural circuits that require fast and coordinated communication, such as in reflex arcs or the synchronization of cardiac muscle cells.

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Answer:

At the point when an item is moved into the air toward a path other than straight up or down, the speed, quickening, and uprooting of the article don't all point a similar way. In circumstances like this, when taking care of the difficult we ought to apply the procedure of settling vectors into segments. At that point we apply the more straightforward one-dimensional types of the conditions for every segment. At long last, we can recombine the parts to decide the resultant.  

Explanation:

At the point when an item is moved into the air toward a path other than straight up or down, the speed, quickening, and uprooting of the article don't all point a similar way. In circumstances like this, when taking care of the difficult we ought to apply the procedure of settling vectors into segments. At that point we apply the more straightforward one-dimensional types of the conditions for every segment. At long last, we can recombine the parts to decide the resultant.  

Objects that are tossed or dispatched into the air and are dependent upon gravity are called projectiles. The way of a shot is a bend called parabola. In the event that an article has an underlying speed in some random time span, there will be level movement all through the trip of the shot.  

Shot movement is free fall with an underlying speed. The underlying flat speed of a shot is equivalent to the level speed all through the shot's flight.  

To discover the speed go a shot anytime during its flight, discover the vector aggregate of the parts of the speed now. We should utilize the Pythagorean hypothesis to discover the extent of the speed and the digression capacity to discover the course of the speed. On the off chance that an article has an underlying vertical part of speed and a level segment of speed, the item's movement ought to be settled into its segments, and afterward the sine and cosine capacities can be utilized to locate the vertical and even segments of the underlying speed. The speed of a shot dispatched at a point to the ground has both flat and vertical parts. The vertical movement is like that of an item that is hurled straight with an underlying speed.

Answer: -4.53×10-6N

Explanation:

The magnitude of the electrostatic force F between two point charges q1 and q2 is directly proportional to the product of the magnitudes of charges and inversely proportional to the square of the distance between them. Like charges repel each other, and opposite charges mutually attract.

Answer:

\(F=5.4 N\)

Explanation:

Given:

                 \(k=45N/m\\x=12*10^\power{-2}m\\\)

From Hook's law

                 \(F= kx\\F=45*12*10^\powe{-2}\\F=5.4 N\)