Transverse waves are to radio waves as longitudinal waves are to.

Answer:

300

Explanation:

i answered it and got it right

The potential difference when a charge goes from 10m to 16m is approximately -1.6875 x \(10^9\) V. The negative sign indicates a decrease in potential as the charge moves farther away from the uniformly charged shell.

To calculate the potential difference between two points, we can use the formula:

V = k * (Q / r)

V is the potential difference

k is the electrostatic constant (k = 9 x \(10^9 N m^2/C^2\))

Q is the charge

r is the distance

In this case, the charge (Q) is 5C and the distances (r) are 10m and 16m.

First, let's calculate the potential at the initial point (10m):

V_initial = k * (Q / r_initial)

V_initial = (9 x \(10^9 N m^2/C^2\)) * (5C / 10m)

V_initial = 4.5 x \(10^9\) V

Next, let's calculate the potential at the final point (16m):

V_final = k * (Q / r_final)

V_final = (9 x \(10^9 N m^2/C^2)\) * (5C / 16m)

V_final = 2.8125 x\(10^9\) V

Finally, we can calculate the potential difference (ΔV) between the two points:

ΔV = V_final - V_initial

ΔV = 2.8125 x \(10^9\) V - 4.5 x\(10^9\) V

ΔV = -1.6875 x \(10^9\) V

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Answer:

50.0

Explanation:

please give me points 73

The average speed of the object during the first 4.0 seconds is 0.5m/s. Correct Option is 3.

Average speed is defined as the total distance traveled divided by the total time taken. In the graph, we need to find the total distance traveled by the object during the first four seconds and then divide it by four seconds to obtain the average speed.

Let's assume that the object's motion is represented by a straight line on the graph. If the graph shows a straight line, it means the object is moving at a constant speed.

Now, we divide the total distance (2 meters) by the total time (4 seconds) to get the average speed:

Average speed = Total distance / Total time = 2 meters / 4 seconds = 0.5 m/s.

So, the average speed of the object during the first four seconds is indeed 0.5 m/s.

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Complete Question is :

The graph below represents the motion of an object traveling in a straight line as a function of time. What is the average speed of the object during the first four seconds?

A) 1 m/s

B) 2 m/s

C) 0.5 m/s

D) 0 m/s

Starting from rest on a circular track with a radius of 300 m and a constant tangential acceleration of 0.75 m/s², the car will travel a distance of approximately 0.2119 meters or 21.19 centimeters in 0.75 seconds.

To determine the distance traveled and the time elapsed by the car starting from rest on a circular track with a radius of 300 m and a constant tangential acceleration of 0.75 m/s², we can use the equations of circular motion.

The tangential acceleration is the rate of change of tangential velocity. Since the car starts from rest, its initial tangential velocity is zero (v₀ = 0).

Using the equation:

v = v₀ + at

where v is the final tangential velocity, v₀ is the initial tangential velocity, a is the tangential acceleration, and t is the time, we can solve for v:

v = 0 + (0.75 m/s²) * t

v = 0.75t m/s

The tangential velocity is related to the angular velocity (ω) and the radius (r) of the circular track:

v = ωr

Substituting the values:

0.75t = ω * 300

Since the car starts from rest, the initial angular velocity (ω₀) is zero. So, we have:

ω = ω₀ + αt

ω = 0 + (0.75 m/s²) * t

ω = 0.75t rad/s

We can now substitute the value of ω into the equation:

0.75t = (0.75t) * 300

Simplifying the equation gives:

0.75t = 225t

t = 0.75 seconds

The time elapsed is 0.75 seconds.

To calculate the distance traveled (s), we can use the equation:

s = v₀t + (1/2)at²

Since the initial velocity (v₀) is zero, the equation becomes:

s = (1/2)at²

s = (1/2)(0.75 m/s²)(0.75 s)²

s = (1/2)(0.75 m/s²)(0.5625 s²)

s = 0.2119 meters or approximately 21.19 centimeters

Therefore, the car travels a distance of approximately 0.2119 meters or 21.19 centimeters.

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The near point of the machinist with the eyeglasses  is 45.45 cm.

The near point is the closest distance at which an individual can see an object clearly without any visual aid, such as glasses or contact lenses. It varies depending on the individual's age and visual acuity.

Near point = 1 / (1 / Near point without eyeglasses + Power of lenses)

Plugging in the given values:

Near point = 1 / (1 / 25 cm + 2.16 diopters)

Near point = 1 / (0.04 diopters + 2.16 diopters)

Near point = 1 / 2.2 diopters

Near point = 0.4545 meters or 45.45 cm

This means that the machinist can see objects clearly at a distance of 45.45 cm or closer with the eyeglasses.

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If A 6.3 kg ball moving at 0.6 m/s collides with a 4.8 kg ball at rest. If the heavier ball moves at 0.25 m/s after the collision, then the lighter ball moves at 0.459 m/s after the collision.

To solve this problem, we can apply the principle of conservation of momentum. According to this principle, the total momentum before the collision is equal to the total momentum after the collision, provided no external forces are acting on the system.

The momentum of an object is defined as the product of its mass and velocity. Mathematically, momentum (p) is calculated as:

p = mass × velocity

Before the collision, the total momentum is given by:

Total momentum before = (mass of ball 1 × velocity of ball 1) + (mass of ball 2 × velocity of ball 2)

Total momentum before = (6.3 kg × 0.6 m/s) + (4.8 kg × 0 m/s) (since the second ball is at rest)

Total momentum before = 3.78 kg·m/s

After the collision, the total momentum is given by:

Total momentum after = (mass of ball 1 × velocity of ball 1) + (mass of ball 2 × velocity of ball 2)

Total momentum after = (6.3 kg × 0.25 m/s) + (4.8 kg × velocity of ball 2)

Total momentum after = 1.575 kg·m/s + (4.8 kg × velocity of ball 2)

According to the conservation of momentum principle, the total momentum before the collision is equal to the total momentum after the collision:

Total momentum before = Total momentum after

3.78 kg·m/s = 1.575 kg·m/s + (4.8 kg × velocity of ball 2)

Simplifying the equation:

3.78 kg·m/s - 1.575 kg·m/s = 4.8 kg × velocity of ball 2

2.205 kg·m/s = 4.8 kg × velocity of ball 2

Dividing both sides of the equation by 4.8 kg:

velocity of ball 2 = 2.205 kg·m/s / 4.8 kg

velocity of ball 2 ≈ 0.459 m/s

Therefore, the lighter ball (ball 2) moves at approximately 0.459 m/s after the collision.

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Answer:

The pressure value changes 400 % relative to the initial value.

Explanation:

Let suppose that the gas behaves ideally and represents a closed system, that is, a system with no mass interactions so that number of moles is conserved (\(n\)). Since the variables involved in the isothermal process are pressure (\(P\)) and volume (\(V\)). Finally, the process is represented by the following relationship:

\(P_{1}\cdot V_{1} = P_{2}\cdot V_{2}\) (1)

Where:

\(P_{1}, P_{2}\) - Initial and final pressures.

\(V_{1}, V_{2}\) - Initial and final volumes.

If we know that \(P_{1} = P_{o}\), \(V_{1} = V_{o}\) and \(V_{2} = 0.2\cdot V_{o}\), then the final pressure of the closed system is:

\(P_{2} = P_{1}\cdot \left(\frac{V_{1}}{V_{2}} \right)\)

\(P_{2} = 5\cdot P_{o}\)

The pressure value changes 400 % relative to the initial value.

Total 2.54 cm far below the interface between the two liquids is the bottom of the block.

Oil having a density of floats on water = 930 kg/m^3

A rectangular block of wood height = 4.19 cm

A rectangular block of wood having density of floats partly in the oil and partly in the water = 979 kg/m3

We have determine how far below the interface between the two liquids is the bottom of the block.

For the equilibrium:

ρ(wood)gh - ρ(oil)g(h−x) - ρ(water)gx = 0

ρ(wood)h - ρ(oil)(h−x) - ρ(water)x = 0

(974)(3.97) - 928(3.97−x)−1000x = 0

3866.78 - 3684.16 + 928x - 1000x = 0

Simplify

182.62 - 72x = 0

Add 72x on both side we get

72x = 182.62

Divide by 72 on both side, we get

x = 2.54 cm

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The complete question is:

Oil having a density of 930 kg/m^3 floats on water. A rectangular block of wood 4.19 cm high and with a density of 979 kg/m3 floats partly in the oil and partly in the water. The oil completely covers the block. How far below the interface between the two liquids is the bottom of the block?

ANSWER:

(a) 0.100 m^3

STEP-BY-STEP EXPLANATION:

We have that the force is equal to mass times gravity, therefore, we can calculate the mass, because the difference in force would be the volume of the stone.

Therefore

Now, we know that the density is equal to the quotient between the mass and the volume, therefore we can calculate the volume like this:

Therefore the volume of the piece is 0.100 cubic meters.

The New Horizons mission was a flyby mission to Pluto in 2015 because sending a spacecraft to an orbiter mission is more expensive than a flyby. Sending a spacecraft to an orbiter requires more energy to be put into the spacecraft, which requires more fuel, and more expensive technology.

For example, the spacecraft needs to be able to withstand the intense gravitational pull of Pluto and the force of going in and out of orbit, as well as carry enough fuel to stay in orbit. The additional mass from the fuel also reduces the speed of the spacecraft. Therefore, it would be much more expensive to make the mission an orbiter of Pluto than a flyby.  

In addition, a flyby mission allows for more time to observe and collect data from the object as it passes by and does not require the spacecraft to stay in the object's gravitational field for a prolonged period of time. Therefore, the New Horizons mission was a flyby mission to Pluto in 2015.

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The temperature of the air at the given speed of sound wave is 142.8 ⁰C.

The temperature of the air at the given speed of sound and frequency is calculated as follows;

\(v = 332\sqrt{1 + \frac{T}{273} }\)

v = fλ

v = 745 x 0.55

v = 409.75 m/s

Now, solve for the temperature;

\(409.75 = 332 \sqrt{1 + \frac{T}{273} } \\\\1.234 = \sqrt{1 + \frac{T}{273} }\\\\1.234^2 = 1 + \frac{T}{273}\\\\0.523 = \frac{T}{273} \\\\T = 142.8 \ ^0C\)

Thus, the temperature of the air at the given speed of sound wave is 142.8 ⁰C.

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Answer:

Option (b).

Explanation:

A star is a heavenly body which emits a tremendous amount of energy by the reaction of nuclear fusion.

Sun is the smallest star in the universe.

The star stars from the proto star, this is the process of birth of a star. Then it collapse due to the gravitational pull and then it tarts emit light and energy and become a star.

After the long long time, it starts to decay and become a neutron star or the black hole.

So, the correct option is (b).

Answer:

there is no diagram, but i can try to help

Explanation:

strong winds bonding together (i.e hot and cold) help form the tornado, depending on the weather depends on how long it can go on, if more hot and cold are feeds into it, it will get faster and last longer. it is just like dust devils, it is wind and dirt mixing to make a tornado, the more wind and dirt the worst it will be

Answer:  If one billiard ball hits another, the second will move with the same force as the first.

A child wants to jump to climb a tree (reaction), he must push the ground to propel himself (action).

A man deflates a balloon; the force with which the air comes out causes the balloon to move from one side to the other.

Explanation:

-Hitting A Wall

-Rowing a boat

-Walking

Explanation:

1.If you hit a Wall with your hands or legs, you get hurt. Why?

Because of Newton's Third Law. You hit the wall with a force and that exact same amount of force is returned by the wall.

2. While Rowing a boat, when you want to move forward on a boat, you paddle by pushing the water backwards, causing you to move forward.

3.While Walking, You push the floor or the surface you are walking on with your toes, And the surface pushes your legs up, helping you to lift your legs up.

Answer:

i think its going to be 150 because its half of 300

Explanation:

Answer:

-10.8°, or 10.8° below the +x axis

Explanation:

The x component of the resultant vector is:

x = 3.14 cos(30.0°) + 2.71 cos(-60.0°)

x = 4.07

The y component of the resultant vector is:

y = 3.14 sin(30.0°) + 2.71 sin(-60.0°)

y = -0.777

Therefore, the angle between the resultant vector and the +x axis is:

θ = atan(y / x)

θ = atan(-0.777 / 4.07)

θ = -10.8°

The angle is -10.8°, or 10.8° below the +x axis.

Answer:

The energy stored in a 2.90- cm -diameter, 12.0- cm -long solenoid that has 200 turns of wire and carries a current of 0.780 A is approximately 0.0153 J.

Explanation:

The energy stored in a solenoid can be calculated using the formula:

U = (1/2) * L * I^2

where U is the energy stored, L is the inductance of the solenoid, and I is the current flowing through the solenoid.

The inductance of a solenoid can be approximated as:

L = (μ * N^2 * A) / l

where μ is the permeability of free space (4π × 10^-7 T·m/A), N is the number of turns of wire in the solenoid, A is the cross-sectional area of the solenoid, and l is the length of the solenoid.

First, we need to calculate the inductance of the solenoid:

A = π * (d/2)^2 = π * (2.90 cm / 2)^2 = 6.626 cm^2

l = 12.0 cm

N = 200

μ = 4π × 10^-7 T·m/A

L = (4π × 10^-7 T·m/A) * (200^2) * (6.626 cm^2) / (12.0 cm) = 0.0502 H

Next, we can use the given current value to calculate the energy stored:

I = 0.780 A

U = (1/2) * (0.0502 H) * (0.780 A)^2 = 0.0153 J

Therefore, the energy stored in the solenoid is approximately 0.0153 J.

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Answer:

2.25 V

Explanation:

The equivalent resistance is:

R = 20.0 Ω + 60.0 Ω

R = 80.0 Ω

The current is:

V = IR

9.00 V = I (80.0 Ω)

I = 0.1125 A

The voltage drop across the 20.0 Ω resistor is:

V = IR

V = (0.1125 A) (20.0 Ω)

V = 2.25 V

The cycle of carbon and energy occurs in the food chain when the grass fixes atmospheric carbon through photosynthesis, the rabbit consumes the grass to obtain energy and organic carbon, and the rabbit's excrement decomposes and is buried in the ground.

Primary consumers are animals that only consume plant matter. Like cows, sheep, deer, and caterpillars, they are herbivores. Animals that eat main consumers are considered secondary consumers (herbivores).

For instance, grass generates its own nutrition from sunlight. A bunny consumes some grass. Eaten by a fox, the rabbit. As a fox dies, microbes decompose its remains and return it to the soil, where it feeds grass-like plants.

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According to Newton's Law of Gravity, if two objects were to move twice as far apart, the force of gravity between them would be four times smaller.Option D is correct.

Newton's law of gravity is a universal law that explains how any two objects with mass attract each other. The force between them is directly proportional to the masses of the two objects and inversely proportional to the square of the distance between them.Newton's law of universal gravitation states that every object in the universe attracts every other object with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. The force of attraction between two objects decreases as the distance between them increases.

According to Newton's law of gravity, if two objects were to move twice as far apart, the force of gravity between them would be four times smaller, or four times weaker. This is due to the inverse square law, which states that the force of gravity between two objects is proportional to the inverse square of the distance between them.

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B) False. E-IDE (Enhanced Integrated Drive Electronics) is actually a parallel interface technology, while SATA (Serial Advanced Technology Attachment) is a serial interface technology.

E-IDE was introduced in the early 1990s and was the standard interface for hard drives and CD-ROMs until SATA came along in 2003. E-IDE uses a parallel data transfer method, which means that data is transferred through multiple wires simultaneously, while SATA uses a serial data transfer method, where data is sent one bit at a time over a single wire.

This makes SATA faster and more efficient than E-IDE. Another key difference between the two technologies is that SATA cables are thinner and longer than E-IDE cables, which means that SATA cables are easier to route inside a computer case. Overall, SATA has become the standard interface for hard drives and optical drives in modern computers due to its improved speed and ease of use.

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Answer:

2.5 k

Explanation:

ANSWER:

The two movements the turning of the top and the movement of the Earth appear in rotating bodies and are the basis of the gyroscope.

STEP-BY-STEP EXPLANATION:

Depending on whether the top is launched, vertical or inclined, two movements are obtained: the sleeping top or the top that, in addition to turning on itself, describes a circumference, as if it were the Earth around the sun. In the sleeping top, the axis of rotation is perpendicular to the plane (ground) on which you dance. If the top is perfectly symmetrical, its center of gravity must be located at an interior point through which the virtual axis of rotation passes. But, because the top, by mass or construction, is not totally symmetrical, as it loses speed, its axis of rotation tilts and begins to rotate, describing a cone, whose vertex is the tip of the top.

In conclusion, the two movements the turning of the top and the movement of the Earth appear in rotating bodies and are the basis of the gyroscope.

"25m due East" is an example of a vector quantity because it includes both a magnitude (25m) and a direction (due East), which are necessary to fully describe the quantity. A scalar quantity, on the other hand, only includes a magnitude.

In more detail, a vector quantity is a physical quantity that has both magnitude and direction. This means that in order to fully describe a vector quantity, you need to specify both the size (or magnitude) of the quantity and its direction. For example, velocity, force, and displacement are all examples of vector quantities. In the case of "25m due East", the magnitude is 25 meters and the direction is due East. This fully describes the quantity, as it tells you both how far you are going (25m) and in which direction (East). If the direction were not specified, the quantity would be incomplete and not fully descriptive. Therefore, "25m due East" is an example of a vector quantity.

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Closed environment refers to the limited air transfer that takes place once the station has been launched.

This is an environment which has little or no interference with the atmosphere.

Launching of station in a closed environment will help prevent damages done as a result of exposure to radiations etc.

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This question involves the concepts of Newton's Second Law of Motion.

The acceleration of the bowling ball will be "0.67 m/s²".

According to Newton's Second Law of Motion, when an unbalanced force is applied on an object, it produces an acceleration in it, in the direction of the applied force. This acceleration is directly proportional to the force applied and inversely proportional to the mass of the object. Mathematically,

\(F=ma\\\\a=\frac{F}{m}\)

where,

Therefore,

\(a=\frac{6\ N}{9\ kg}\)

a = 0.67 m/s²

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The percentage of adhesions measured in use that are higher than 0.40 is approximately 22.66%.

For finding the percentage of adhesions that are higher than 0.40, need to calculate the area under the normal distribution curve to the right of 0.40. First, need to standardize the value of 0.40 using the Z-score formula:

Z = (X - μ) / σ

Where X is the value (0.40), μ is the mean (0.37), and σ is the standard deviation (0.04).

Z = (0.40 - 0.37) / 0.04 = 0.03 / 0.04 = 0.75

Next, look up the Z-score of 0.75 in the standard normal distribution table for finding the corresponding cumulative probability. The Z-table tells that the cumulative probability to the left of 0.75 is approximately 0.7734.

Since want the percentage to the right of 0.40, subtract the cumulative probability from 1:

1 - 0.7734 = 0.2266

Therefore, the percentage of adhesions measured in use that are higher than 0.40 is approximately 22.66%.

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It just starts to move. The coefficient of static friction between the block and the floor is approximately 0.151.

N = (8.10 kg) (9.81 m/s^2) = 79.4 N

Now we can substitute these values into the formula for static friction:

f_s = μ_s N

12.0 N = μ_s (79.4 N)

Solving for μ_s, we get:

μ_s = 12.0 N / 79.4 N

μ_s = 0.151

Static friction is a force that arises between two surfaces that are in contact with each other but not in motion relative to each other. When an external force is applied to an object that is at rest, static friction opposes the force and prevents the object from moving.

This type of friction is the reason why you need to push a heavy object harder and harder until it starts moving. Once the object starts moving, the force required to keep it moving is reduced, and dynamic or kinetic friction takes over. The magnitude of the static friction force depends on the nature of the surfaces in contact, the normal force pressing the surfaces together, and the coefficient of static friction.

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No, conversion of wood to sawdust is an irreversible change, because a block of wood after grounding into sawdust cannot be changed into the same block of wood

This one is leisure for people with common sense. Yellow is an assortment of two of the rudimentary colors, red and green. Yellow appears yellow because red light is being imaged in our eyes, so that's one thing. Green reflections are capable of being enthralled by the shirt; hopefully, this should be meticulous adequate for you to have a basic understanding of this "phenomenon". Cheers!

A yellow T-shirt appear yellow to human eye because it reflects both red and green lights and our eye detects it as a combination of two fundamental colors (red and green), which is yellow.

Color is a perception. Our eyes sense something (the sky, for instance), and information is transferred from our eyes to our brains informing us that it is a particular color (blue). Different combinations of wavelengths of light are reflected by objects. When our brains detect certain wavelength combinations, they transform them into the phenomena known as color.

There has three fundamental color: red, blue and green. Red and green lights are combined to create yellow light. If a shirt reflects both red and green light, it appears yellow to human eyes. These two fundamental colors of light must be present in the incident light for red and green light to reflect yellow light to human mind.

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