A force of 50n is applied to an object at an angle of 50 degrees measured relative to the horizontal. Determine the horizontal and vertical components of the applied force?

Answer:

The diffraction grating separates light into colors as the light passes through the many fine slits of the grating. This is a transmission grating. ... The prism separates light into colors because each color passes through the prism at a different speed and angle.

The speed of the roller coaster car as shown is  31 m/s

We know that the roller coaster is the kind of device that we can use to be able to show the conversion of kinetic energy to potential energy. By the use of the roller coaster, we can show that the total mechanical energy in the system is a constant.

As such we have that;

mgh = 1/2mv^2

m = mass of the object

g = acceleration due to gravity

h = height

v = velocity

Hence;

gh= 1/2v^2

v = √2gh

v = √ 2 * 9.8 * 49

v = 31 m/s

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Answer:

Magnetism is the force exerted by magnets when they attract or repel each other

hope it helps you:)

The reactants in a chemical formula is the atoms prior to the chemical reaction, found on the left side of the equation. That is option D.

A chemical formula is defined as the scientific way of representation of chemical compounds either singly or during a chemical reaction.

During a chemical reaction, a chemical formula is made up of a right side and a left side with an arrow at its middle indicating the movement of the energy of the chemical reaction.

The reactants are found located at the left hand side of the chemical formula.

The reactants are made up of elements and compounds which combines to form a new product through the formation of new chemical bonds.

For example in the formation of water,

2H2. + O2. --> 2H2O

Here, Hydrogen and oxygen molecules are the reactants which are seen on the left-hand side of the chemical reaction.

Therefore, The reactants in a chemical formula is the atoms prior to the chemical reaction, found on the left side of the equation.

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Answer: D

Explanation: I took the quick check

Answer:

The change in mean drift velocity for electrons as they pass from one end of the wire to the other is 3.506 x 10⁻⁷ m/s and average acceleration of the electrons is 4.38 x 10⁻¹⁵ m/s².

The given parameters;

Current flowing in the wire, I = 4.00 mA

Initial diameter of the wire, d₁ = 4 mm = 0.004 m

Final diameter of the wire, d₂ = 1 mm = 0.001 m

Length of wire, L = 2.00 m

Density of electron in the copper, n = 8.5 x 10²⁸ /m³

The initial area of the copper wire;

The final area of the copper wire;

The initial drift velocity of the electrons is calculated as;

The final drift velocity of the electrons is calculated as;

The change in the mean drift velocity is calculated as;

The time of motion of electrons for the initial wire diameter is calculated as;

The time of motion of electrons for the final wire diameter is calculated as;

The average acceleration of the electrons is calculated as;

Thus, the change in mean drift velocity for electrons as they pass from one end of the wire to the other is 3.506 x 10⁻⁷ m/s and average acceleration of the electrons is 4.38 x 10⁻¹⁵ m/s².

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Explanation:

The changing mean drift velocity of the electrons plays out at 3.506 x 10⁻⁷ m/s along with an average acceleration nearing 4.38 x 10⁻¹⁵ m/s².

As the electrons traverse one end of the wire to another, their mean drift velocity undergoes a shift of 3.506 x 10⁻⁷ m/s with an average acceleration of 4.38 x 10⁻¹⁵ m/s² in accordance with the following parameters:

- The current flowing through the wire is at 4.00 mA.

- The original diameter of the wire, d₁, measures at 4 mm or 0.004 m.

- Conversely, the final diameter, d₂, displays a measurement of 1 mm or 0.001 m.

- The length of the entire wire is consistent, measuring at 2 meters.

- Notably, the density of electrons present within copper reaches an estimated value of 8.5 x 10²⁸ /m³.

Calculations regarding both initial and final area coverage provided by copper must be explored along with numerical data involving the two varying drift velocities for accurate results.

Thus, we arrive at the change rate of the mean drift velocity between points in the wire as well as the plenitude of electron acceleration achieved after contemplation into the corresponding motion periods.

The conclusion reflects that our measurements find the changing mean drift velocity of the electrons plays out at 3.506 x 10⁻⁷ m/s along with an average acceleration nearing 4.38 x 10⁻¹⁵ m/s².

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Answer:

Explanation:

We can use the kinematic equation for vertical motion to find the value of the initial vertical velocity, v0y:

v0y = v0 * sin(θ)

Next, we can use the equation for vertical motion with constant acceleration (g = 9.8 m/s^2 is the acceleration due to gravity) to find the time it takes for the ball to reach the target:

v0y * t - 0.5 * g * t^2 = h

Solving for t:

t = sqrt(2 * h / g)

Finally, we can use the kinematic equation for horizontal motion (no acceleration in the horizontal direction) to find the horizontal velocity:

v0x = v0 * cos(θ)

So,

v0x = 10.84 * cos(θ) = 10.84 * cos(θ)

v0x = 10.84 * cos(θ) = 10.84 * cos(θ)

We do not have the value of θ, so we cannot determine the exact value of v0x.

Answer:

A

Explanation: Car A is the fastest

Counting the amount of impact craters on a surface can help determine how old it is.

Asteroids' surfaces and the rocky, ice-covered moons of the outer gas giants are both cratered. The craters left behind by striking objects can provide details on a planet's surface's nature and composition, as well as its age.

Therefore, it may be said that a crater's age is generally determined by its size. From oldest to newest, the history of crater formation can be loosely divided into three periods: the production of big and tiny craters. Only tiny craters were created.

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the answer for this question is c

Answer:

The length of an arc segment:

S = a Θ        where a = radius and Θ the angle subtended by the arc

Thus dS = a dΘ

The length of such a segment would be adθ, therefore the correct answer is option D.

Charged material experiences a force when it is exposed to an electromagnetic field due to the physical property of electric charge. You can have a positive or negative electric charge.

As given in the problem to find the components of the electric field at P, you need to divide the semicircle into infinitesimal segments ds, each of which is a short circular arc of radius a and angle dθ.then we have to find the length of such a segment,

θ = length of the arc /radius of the circle

The given angle of the segment = dθ

the radius of the given circular arc = a

length of the arc = ds

dθ = ds /a

ds = adθ

Thus, the length of such a segment would be adθ, therefore the correct answer is option D.

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Explanation

Step 1

add the numbers

Answer and Explanation:

a. The computation of the percent difference between the measurements is shown below:-

The first value of g is 9.67 and the second value is 9.88

So, difference = 9.88 - 9.67

= 0.21

Percentage difference in measurement is

\(= \frac{0.21}{9.88}\times100\)

= +/-2.13

Percent difference with 9.88

Difference =  9.88 - 9.81

= 0.07

\(= \frac{0.07}{9.81}\times100\)

= +/-0.71%

b. The Computation of percent error of their mean is shown below:-

Mean of two values is

= \(\frac{9.67 + 9.88}{2}\)

= 9.775

Difference = 9.81 - 9.775

= 0.035

Percentage difference is

\(= \frac{0.035}{9.81}\times 100\)

= +/- 0.36%

The force that acts on a projectile in the horizontal direction is Gravitational force.

A projectile is an object upon which the only force is gravity. Gravity acts to influence the vertical motion of the projectile, thus causing a vertical acceleration. The horizontal motion of the projectile is the result of the tendency of any object in motion to remain in motion at constant velocity.

Due to the absence of horizontal forces, a projectile remains in motion with a constant horizontal velocity. Horizontal forces are not required to keep a projectile moving horizontally. Hence, The only force acting upon a projectile is gravity.

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The interval between the first and second echo is 7 seconds. This means that after the initial sound wave reaches the first cliff, it takes a total of 7 seconds for the sound to travel to the second cliff and then return to the student as the second echo.

To determine the interval between the first and second echo, we need to consider the time it takes for sound to travel from the student to the first cliff, and then from the first cliff to the second cliff, and finally back to the student.

Let's break down the distances and calculate the time for each part of the journey:

Distance from the student to the first cliff: 330 meters

Time taken: t₁ = distance / speed = 330 m / 330 m/s = 1 second

Distance from the first cliff to the second cliff: 990 meters

Time taken: t₂ = distance / speed = 990 m / 330 m/s = 3 seconds

Distance from the second cliff back to the student: 990 meters

Time taken: t₃ = distance / speed = 990 m / 330 m/s = 3 seconds

Now, we can calculate the total interval between the first and second echo by adding up the individual times:

Interval between first and second echo = t₁ + t₂ + t₃ = 1 s + 3 s + 3 s = 7 seconds

Therefore, the interval between the first and second echo is 7 seconds. This means that after the initial sound wave reaches the first cliff, it takes a total of 7 seconds for the sound to travel to the second cliff and then return to the student as the second echo.

It's important to note that this calculation assumes a straight path for the sound waves and neglects factors such as air temperature and wind that can affect the speed of sound. Additionally, it assumes perfect reflection of sound waves off the cliffs, which may not be the case in real-world scenarios.

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Note the complete questions is:

A student stands 330m from a tall cliff which is 990m from another tall cliff. If the speed of sound between the cliffs is 330m/s.What is the interval between the first and second echo?

It is not recommended to fire a gun straight up into the air.

When a bullet is fired into the air, it will eventually come down and can pose a danger to people and property below. The bullet can still be lethal when it reaches the ground, especially if it lands on a hard surface or hits someone directly.

Additionally, firing a gun in a residential area can be illegal and can result in legal consequences. In general, guns should only be fired in designated shooting ranges or in self-defense situations where there is an immediate threat to life. It is important to handle firearms responsibly and follow all safety guidelines to prevent accidents and injuries.

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Iron forms an oxide when exposed to air is a true property about this element.

This is an element which has magnetic properties and forms an oxide when exposed to air.

Iron forms ferric oxide in the presence of oxygen which is the brown like color seen in the form of rust.

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mvh=1. 654106. 6210=41014m is the de Broglie wavelength of a proton whose kinetic energy is equal to that of the proton.

An electron has an energy of 100,000 eV (100 keV) at a potential difference of 100,000 V (100 kV), and so on. The energy gained by an ion with a double positive charge when it is accelerated through 100 V is 200 eV.

De Broglie wavelength is the length of a particle with kinetic energy E. The wavelength changes to /2 when energy E is added to it.

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If It undergoes a displacement of Δ=−6.69 m the squirrel's final position would be f = - 3.32 m.

Displacement is a vector quantity. This indicates that it has both a direction and a magnitude and that it is visually represented as an arrow that points from the starting position to the ending position.

As given in the problem a squirrel runs along an overhead telephone wire that stretches from the top of one pole to the next. It is initially at position i=3.37 m, as measured from the center of the wire segment. It then undergoes a displacement of Δ=−6.69 m,

displacement = final position - initial position

−6.69 m = f - 3.37 m

f = - 6.69m + 3.37 m

 = - 3.32 m

Thus, the squirrel's final position would be f = - 3.32 m.

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According to the attachment

Apply Pythagorean theorem

\(\\ \tt\longmapsto AC^2=AB^2+BC^2\)

\(\\ \tt\longmapsto AC^2=39^2+89^2\)

\(\\ \tt\longmapsto AC^2=1521+7921\)

\(\\ \tt\longmapsto AC^2=9442\)

\(\\ \tt\longmapsto AC=97.16m\)

Explanation

The uniformly accelerated motion is a motion that is characterized for having a movement in a straight line and a constant acceleration and different of zero, to find the initial speed we can use the formula:

so

Step 1

a)let

b) now, replace in the formula and solve for vi

therefore, the answer is

B. 60 m/s

I hope this helps you

The fact that entropy is always increasing is demonstrated by several everyday examples, such as ice melting, clocks running down, dead organisms decaying, and mountains crumbling.

The second law of thermodynamics, which states that the entropy of an isolated system will always increase over time. Entropy is a measure of disorder or randomness in a system, and the second law states that in any natural process, the entropy of a system will always increase or stay the same. This means that energy will always flow from a higher state of organization to a lower state of organization, and that systems will naturally tend towards a state of maximum disorder.

ThIs is demonstrated by many everyday examples, such as the fact that ice melting will not reassemble itself, clocks running down will not get back itself to the previous time, or dead organisms decaying  will not assemble itself back in the complete form.

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Answer: Z

Explanation: I took the quiz!! :3

During a solar eclipse as seen from Earth, the moon will be at the position Z.

When the Moon moves in front of the Sun, obstructing the Sun's view for a small portion of the Earth either completely or partially, this is known as a solar eclipse.

Here,

When the Moon is in its new moon phase, when its orbital plane is closest to that of the Earth's, and during eclipse season, such an alignment takes place roughly every six months. The Sun's disc is completely covered by the Moon during a total eclipse. The Sun is only partially covered by annular and partial eclipses. A solar eclipse can only be seen from a relatively restricted area of the earth, in contrast to a lunar eclipse, which can be seen from anyplace on the night side of Earth.

The Moon is parallel to the line connecting the Earth and the Sun at its first and final quarters. Only one-half of the Moon is visible to us as being illuminated by the Sun; the other one-half is hidden in shadow.

Hence,

During a solar eclipse as seen from Earth, the moon will be at the position Z.

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part a.

the total energy of Saul and the toboggan  is 70530 J

part b.

The height of the hill is  235.1 m.

part c.

Saul's velocity at the bottom of the hill will be  22.3 m/s.

part d.

Saul's height when he is moving at a velocity of 9.5 m/s is 10.5 m

The total energy of Saul and the toboggan is the addition all of potential energy and kinetic energy.

we know that the initial total energy = potential energy at top of hill

Therefore total energy is gien as

initia total energy  = mass of Saul + mass of toboggan x gravity x height

initia total energy  = (30 kg + 10 kg) x (9.81) x (20 m)

initia total energy  = 5886 J

Total energy  = potential energy + kinetic energy

Total energy = (30 kg + 10 kg) (9.81 ^2) x (20) + (30 kg + 10 kg) x (15)^2/2

= 70530 J

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Answer:

Photovoltaic detection is a technique that converts light into electrical energy. It is a process that involves the use of a photovoltaic cell, which is made up of semiconductor materials, to generate an electric current when exposed to light.

The photovoltaic cell absorbs the photons of light, which then knock electrons out of their orbits, creating a flow of electricity. The amount of electricity produced is proportional to the intensity of the light. The photovoltaic cell is commonly used in solar panels to generate electricity from sunlight. The efficiency of the photovoltaic cell is dependent on several factors, including the type of semiconductor material used, the purity of the material, and the thickness of the cell.

The photovoltaic cell has many applications, including in solar power generation, telecommunications, and remote sensing. The technique of photovoltaic detection is an important area of research, as it has the potential to provide a clean and renewable source of energy that can help mitigate climate change.

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Answer:

i beilieve that the answer is a transverse wave and a longitudinal wave

Explanation:

i dont really have an explanation

The two waves combine to form the surface wave will be the transverse wave and the longitudinal waves.

Surface waves are generated from the point of the earthquake inside the earth. There are generally three types of waves are generated primary, secondary, and surface waves.

Now this surface wave is the slowest wave which reach to the surface of earth very slowly and is the most destructive wave.

The surface waves travel both in the vertical as the well horizontal direction along their direction of flow.

An example of surface waves is the car park in the parking that goes up down just like the waves in the oceans.

Thus the two waves combine to form the surface wave will be the transverse wave and the longitudinal waves.

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An axon is a long, tubelike structure extending from a neuron's cell body.

option A is the correct answer.

An axon is a long, tubelike structure extending from a neuron's cell body.

An axon is respnsible for transmitting nerve impulses, or action potentials, away from the cell body to other neurons, muscles, or glands.

Thus, an axon is a long, tubelike structure of a neuron that carries nerve impulses away from the cell body and towards other neurons, muscles, or glands. It is the primary means by which neurons transmit information throughout the nervous system.

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