Two equally charged particles start 3.4 mm from each other at rest. When they are released they accelerate away from each other. The initial acceleration of particle A is 7 m/s2 and of particle B is 10 m/s2 .

Calculate the charge on either particle, if the mass of particle A is 5×10−7 kg

Answer:

As the car travels up the coaster it is gaining potential energy.

Explanation:

Because It has the greatest in amount of potential energy at the top of the coaster. when the car travels down the roller coaster it obtains speed and kinetic energy.

The relationship between the plasma frequency wp and the refractive index

nwp² = n² + k²

The plasma frequency wp for a material is defined as the frequency at which its refractive index becomes equal to 1. Hence, for silver, at w = wp: 0.006 = sqrt(1 - k²) and 3.524 = kwp = wp*sqrt(1 - 0.006²)wp = 1.39 * 10^16 rad/sNow, let's calculate the reflectance. We know that the reflectance R of a thin film of thickness t on a substrate with refractive index n is given by

R = ((n² + k²) - 1)/(n² + k² + 1)

In the case of silver, we can assume that the film is so thin that the reflectance will be equal to that of the bulk material, which we can find from the refractive index. Hence,R = ((0.006² + 3.524²) - 1)/(0.006² + 3.524² + 1) = 0.995So the reflectance is approximately 0.995.e) The diffraction pattern produced by a remote aperture can be described using the Fourier transform of the aperture function.

If we know the intensity distribution of the diffraction pattern, we can use the inverse Fourier transform to obtain the aperture function. However, this process is not always straightforward, especially if the diffraction pattern has noise or the aperture is not a simple shape.To reconstruct the aperture from the diffraction pattern, we can use techniques such as phase retrieval or iterative algorithms. These methods involve making assumptions about the aperture and iteratively refining the aperture function until it matches the observed diffraction pattern. The specific algorithm used will depend on the details of the experiment and the aperture function being reconstructed.

To know more about diffraction visit:

https://brainly.com/question/31979938

#SPJ11

Explanation:

Exoplanets are very hard to see directly with telescopes. They are hidden by the bright glare of the stars they orbit. So, astronomers use other ways to detect and study these distant planets.

Exoplanets are difficult to detect because they are a star 'wobbles' as it orbits the center of mass, changing the wavelength of light it emits.

Blood travels throughout the body as follows:

Circulation is the continuous movement of blood throughout the body by the circulatory system. It consists of the heart, blood vessels (arteries, veins, and capillaries), and blood. The heart acts as a pump, sending oxygen-rich blood through the arteries to the body's cells, and then returning oxygen-depleted blood through the veins back to the heart.

The exchange of oxygen, nutrients, and waste products between the blood and cells occurs through the capillaries. This continuous flow of blood helps to maintain the body's functions and overall health.

Learn more on blood circulation here: https://brainly.com/question/16566688

#SPJ1

The average velocity of the particle from t = 1 s to t = 3 s is approximately 38.7 m/s. Therefore, the correct option is (ii) \(38.7 m.s^{-1}\)

To find the average velocity of the particle, we need to calculate the change in position divided by the change in time.

In this case, the given position function is x(t) = 10t^2 - 3.

To calculate the change in position,

we evaluate x(3) - x(1). Substituting t = 3 and t = 1 into the position function,

we get x(3) = 10(3)^2 - 3 = 87 and x(1) = 10(1)^2 - 3 = 7.

Therefore, the change in position is 87 - 7 = 80 meters.

The change in time is 3 s - 1 s = 2 seconds.

Finally, we divide the change in position by the change in time to find the average velocity:

average velocity = (change in position) / (change in time)

= 80 m / 2 s

= 40 m/s.

Therefore, the correct answer is option (ii) \(38.7 m.s^{-1}\)

To learn more about average velocity here brainly.com/question/28512079

#SPJ11

When working through these problems, think about the heat in terms of movement of the molecules of water.

Heat is transferred from the water to the surroundings --- water molecules slowing down.

Heat is transferred to the water from the surroundings --- water molecules heating up.

Heat transfer is the transfer of energy due to the difference of temperature between two different places. The main discussion in heat transfer is how the energy in heat can move places and the rate of transfer under certain conditions. Heat transfer includes the processes of inflow and outflow of heat. In industrial processes, heat transfer is used to achieve the required temperature in the industrial process and maintain the required temperature throughout the process.

Heat transfer from one object to another can occur by conduction, convection, and radiation. The determinant of heat transfer is the temperature difference. The direction of heat transfer starts from a medium with a high temperature to a medium with a lower temperature. Heat transfer can occur with a single process or multiple processes.

Learn more about heat transfer at https://brainly.com/question/13433948.

#SPJ4

Answer:

-6500N

Explanation:

F = ma

Note:  1N = 1 kg⋅m⋅s−2

a = (0-6.5m/s)/3s

a = -6.5m/s^2

F = 1000kg(-6.5m/s^2)

F = -6500kgm/s^2

F = -6500 N

Answer:

The larger the amplitude of the waves, the louder the sound. Pitch (frequency) – shown by the spacing of the waves displayed. The closer together the waves are, the higher the pitch of the sound.

Explanation:

Answer:

NO

Explanation:

Since iron is a metal and carbon is a non- metal, they cannot form a metallic bond.

The value of io(t) = sin(8t°) with a positive magnitude and angles in the range of -180° to 180° will be the same as the original function, but with adjustments made to the angle (8t°) to ensure it lies within the specified range.

To report the value of io(t) = sin(8t°) with a positive magnitude and angles in the range of negative 180 degrees to positive 180 degrees, follow these steps:

1. Ensure the magnitude is positive: Since the sine function always returns values between -1 and 1, the magnitude is already positive for io(t) = sin(8t°).

2. Adjust the angle to be in the range of -180° to 180°: We can use the periodicity property of the sine function. The sine function has a period of 360°, meaning sin(x) = sin(x ± 360°). We can add or subtract multiples of 360° to the angle (8t°) to bring it within the desired range.

For example, if you have a specific value for t that yields an angle outside of the -180° to 180° range, you can add or subtract multiples of 360°/8 = 45 to the value of t until the angle falls within the desired range.

So, the value of io(t) = sin(8t°) with a positive magnitude and angles in the range of -180° to 180° is the same as the original function, but with adjustments made to the angle (8t°) to ensure it lies within the specified range.

Learn more about negative 180 degrees to positive 180 degrees at https://brainly.com/question/14553304

#SPJ11

Answer:

pun

Explanation:

Answer:

6 newtons

Explanation:

If it's an equal force exerted on the student's hands, the object will not move.

If a student pushes on an object with a force of 6 newtons and the object does not move then the force exerted by the object on the student’s hands would be 6 Newtons because the applied force is equal to the static frictional force until the object does not move.

Friction is a type of force that resists or prevents the relative motion of two physical objects when their surfaces come in contact

As given in the problem If a student pushes on an object with a force of 6 newtons and the object does not move then we have to find out the force exerted by the object on the student’s hands,

Force applied by the student of the object = 6 Newtons

The force exerted by the object on the student's hand = 6 Newtons

Thus, the force exerted by the object on the student’s hands would be 6 Newtons

Learn more about friction from here link given below;

brainly.com/question/24186853

#SPJ6

Answer:

its ealstic.

Explanation:

Because the change in velocity is less in an inelastic collision, the acceleration is also less in an inelastic collision.

Answer:

C. the production of new machines as a result of processes using science and knowledge.

Explanation:

Technology is the application of scientific research and knowledge .

Yes, hot air balloons float in the air because of the low density of the air inside the balloon.

This can be explained with the help of Archimedes' principle and the ideal gas law. Understand Archimedes' principle - It states that an object immersed in a fluid experiences an upward buoyant force equal to the weight of the fluid displaced by the object. In the case of a hot air balloon, the fluid is the surrounding air.

Apply the ideal gas law - It states that PV = nRT, where P is pressure, V is volume, n is the number of moles of gas, R is the gas constant, and T is temperature. For a hot air balloon, the temperature (T) inside the balloon is higher than the surrounding air, which causes the air molecules inside to spread out and occupy a larger volume (V). This results in a lower density of air inside the balloon.

Relate the concepts - As the density of air inside the balloon decreases due to the increased temperature, the balloon displaces a greater amount of surrounding air. According to Archimedes' principle, this increases the buoyant force acting on the balloon, allowing it to float in the air.

In summary, hot air balloons float in air because the low density of air inside the balloon, caused by increased temperature, results in a greater buoyant force according to Archimedes' principle.

More on density: https://brainly.com/question/13931218

#SPJ11

Answer:

- 89.523J

Explanation:

We solve the above question using work done(Potential Energy) formula

The formula =

-(mgh)

Where m = Mass = 4.50J

g = Acceleration due to gravity = 9.8m/s²

We are told in the question:

Initially, the cart was 0.670 m above the floor. If the top of the inclined plane is 2.70 m above the floor

Hence, the height =

2.70m - 0.670m = 2.03m

Work done = -(2.03m × 4.5kg× 9.8m/s²)

= - 89.523J

Laser light passing through two small slits produces a bright fringe centered at the midpoint on a distant screen because the light waves travel the same distance from each slit to the midpoint.

Because it is composed of magnetic and electric fields, light frequently exhibits wave behavior and is thus categorized as such an electromagnetic wave. Magnetic fields are perpendicular to each other and fluctuate perpendicular to the wave propagation direction. These are referred to as transverse waves as a result.

Photons are discrete energy packets that make up light. Photons move at the speed of light, possess momentum, and lack mass. Light possesses both wave-like and particle-like properties.

To know more about Light waves visit:

https://brainly.com/question/3004869

#SPJ4

The energy stored in the flywheel is approximately 32,949.6 Joules.

The energy stored in the flywheel can be calculated using the formula for rotational kinetic energy: KE = 0.5 * I * ω², where KE is the kinetic energy, I is the moment of inertia, and ω is the angular velocity.

For a solid cylinder, the moment of inertia (I) is given by the formula: I = 0.5 * M * R², where M is the mass and R is the radius.

Substituting the given values: I = 0.5 * 60 kg * (1.8 m)² = 97.2 kg m².

Now, we can find the kinetic energy: KE = 0.5 * 97.2 kg m² * (26.0 rad/s)² ≈ 32949.6 J.

So, the energy stored in the flywheel is approximately 32,949.6 Joules.

Know more about  angular velocity   here:

https://brainly.com/question/29566139

#SPJ11

Answer:

The displacement of the net from player 2 in component form = (-47.498î - 26.812j)

The displacement of the net from player 2 in statement form is 54.54 m and 29.44° (S of W) or 60.56° (W of S)

Explanation:

The sketch of the bearings described in the question is presented in the attached image to this solution.

Method 1

Using component method

Taking the player 1's position as the origin,

The displacement of the player 2 from the origin is (25î) m

The displacement of the net from the origin is 35[(sin θ)î + (cos θ)j]

But θ is the angle of the net's displacement reading from the positive x-axis in the anticlockwise direction. θ = 230°

Displacement of the net from the origin = 35[(cos 230°) + (cos 230°)]

= 35[-0.6428î - 0.7660j]

= (-22.498î - 26.812j) m

In component form, taking note of the directions of the respective displacements calculated (check the attached image)

(The displacement of the net from player 1) = (The displacement of player 2 from player 1) + (The displacement of the net from player 2)

Since we have agreed that player 1 is the origin

(The displacement of the net from origin) = (The displacement of player 2 from origin) + (The displacement of the net from player 2)

(-22.498î - 26.812j) = (25î) + (The displacement of the net from player 2)

The displacement of the net from player 2 = (-22.498î - 26.812j) - (25î) = (-47.498î - 26.812j)

The magnitude of this displacement = √[(-47.498)² + (-26.812)²]

= √(2,256.060004 + 718.883344) = 54.54 m

Direction = tan⁻¹ (-26.812/-47.498) = 209.44° (the signs on the components show that the direction is the third quadrant from the positive x-axis in the anti-clockwise direction)

Hence, the displacement of the net from player 2 is 54.54 m and 29.44° (S of W)

Method 2

Using trignometry,

We will use cosine and sine rule to obtain the required magnitude and direction of the displacement of the net from player 2

Cosine rule

Magnitude = √[35² + 25² - (2×25×35×cos 130°)] = √2,974.8783169514 = 54.54 m

Sine rule

(Sin θ)/35 = (Sin 130°)/54.54

Sin θ = (35 × Sin 130°)/54.54 = 0.4916

θ = Sin⁻¹ (0.4916) = 29.44°

This answer matches the answers from method 1.

Hope this Helps!!!

The second displacement that the puck will travel in order to make it to the net is 1.81 m.

The resultant displacement of the puck is calculated as follows;

A vertical line that intersects 35 (40° W of S) 25 m East, will become the adjacent side of the right triangle.

cos(50) = R/35

R = 35 x cos(50)

R = 22.5 m

Let the second displacement = x

Total horizontal displacement = 25 + x

Apply Pythagoras theorem to determine the second displacement.

(25 + x)² + 22.5² = 35²

(25 + x)² = 718.75

25 + x = √718.75

25 + x = 26.8

x = 26.8 - 25

x = 1.81 m

Thus, the second displacement that the puck will travel in order to make it to the net is 1.81 m.

Learn more about component vectors here: https://brainly.com/question/13416288

88.5 m is the length of the pendulum. This an be solved using the concept of oscillation.

The process of any amount or measure repeatedly varying about its equilibrium position in time is referred to as oscillation. Another way to describe oscillation is as a periodic change in a substance's value between two values or around its midpoint.

Because oscillations are defined as a specific amount of movement of a solid body correlated to the distance travelled or the time required for it, oscillations and vibrations are not the same thing. The difference between the two is that vibration is the motion or change that oscillations induce in the body.

When small angles oscillate under the assumption that the supplied pendulum is oscillating, the oscillation time formula for a mathematical pendulum is:

T=2π × √(L/g)

or, L = (T/π)² × g

or, L = (290/π)² × 9.8

or, L = 88.5 meters

To know more about oscillation refer to:

https://brainly.com/question/26449711

#SPJ4

The centripetal acceleration of the professor holding onto the end of the minute hand of a clock atop City Hall is 0.00133 m/s².

Centripetal acceleration is the inward force acting on a body moving in a circular path that changes the direction of the velocity of the body and constantly pulls it toward the center of the circle.To determine the professor's centripetal acceleration, we use the formula;

`a= (v²)/r`

Where `a` is the centripetal acceleration, `v` is the velocity, and `r` is the radius. We have the length of the minute hand which is the radius of the circle.

So,`r = 4 m`We need to find the velocity which is given by the formula:

`v= (2πr)/T`

Where `π` is pi (3.14), `r` is the radius, and `T` is the time taken for one complete rotation which is 60 minutes since it's the minute hand.

Therefore;`v = (2 x 3.14 x 4 m) / (60 min x 60 s / 1 min)``v = 0.42 m/s`Substitute `v` and `r` into `a = (v²)/r` to get:`a = (0.42 m/s)² / 4 m``a = 0.00133 m/s²`

Therefore, the centripetal acceleration of the professor holding onto the end of the minute hand of a clock atop City Hall is 0.00133 m/s².

learn more about acceleration here

https://brainly.com/question/25749514

#SPJ11

According to the question the net force on q₂ is zero.

Force is an interaction between two objects which causes one object to change its state of motion. It can be described as a push or a pull on an object, and is measured in units of Newtons (N). Forces can be caused by a variety of things, including gravity, friction, magnetism, and electrical charges. Forces can cause objects to accelerate, decelerate, or remain in constant motion. Examples of forces include a person pushing a box, a car’s engine pushing it forward, and a magnet attracting a piece of metal.

The net force on q₂ is zero because of the symmetry of the particles. The two negative charges are the same distance away from q₂, which creates equal and opposite forces, canceling each other out.
Similarly, the two positive charges are also the same distance away, creating equal and opposite forces that also cancel each other out. Therefore, the net force on q₂ is zero.

To learn more about forces

https://brainly.com/question/12785175

#SPJ4

Explanation:

How do you demagnetize a nail?

To unscrew the magnetized nail or to demagnetize a nail magnetized by prolonged contact or rub, banging the nail on a hard surface or dropping it to the ground shaking up the aligned atoms with a sharp effect. For the electric magnet, simply separating one end of the copper wire from the terminal kills the magnetic field

Hope this can help you. Good Luck!

The hardest naturally occurring material on Earth is diamond. It has a rating of 10 on the Mohs scale of mineral hardness, which measures a material's resistance to scratching.

Diamond is composed of carbon atoms that are arranged in a crystalline structure, which gives it its unique properties.

It is formed under extreme pressure and temperature deep within the Earth's mantle and is brought to the surface through volcanic eruptions.

The hardness of diamond makes it an ideal material for use in cutting tools and abrasive applications.

It is used in the production of cutting and grinding tools, as well as in the manufacturing of jewelry and other decorative items.

Diamond's hardness also makes it highly valuable, as it is resistant to wear and maintains its luster over time.

Despite its hardness, diamond is not indestructible and can be damaged or even shattered under certain conditions.

Its hardness also varies depending on the direction of the crystal structure, which can make it difficult to cut or shape in certain ways.

To know more about diamond refer here

https://brainly.com/question/29775108#

#SPJ11

Answer:   1470 N

Explanation:   mass = 15

                   weight is the product of mass and force due to gravity

                     AS WE KNOW THAT

                        W = mG

                        W = 15 X 9.8

                         W =  1470 N

(this might be wrong sorry) Maybe both.?

Answer:soccer ball

Explanation: because it have more mass than the beach ball

The Statement is False An endothermic reaction with positive entropy change can be spontaneous only at high temperatures, rather than at low temperatures.

The spontaneous endothermic reaction is characterized by a positive entropy (ΔS > 0) and a positive enthalpy (ΔH > 0) of the reactants. Since ΔH and ΔS have the same sign, the sign of ΔG determines whether the reaction is spontaneous or non-spontaneous.

Only if ΔG < 0, then the reaction will proceed spontaneously. In contrast, ΔG > 0 makes the reaction non-spontaneous, whereas ΔG = 0 makes the reaction at equilibrium.

Therefore, to have a spontaneous endothermic reaction, ΔH must be higher, meaning the amount of energy entering the system is greater than the amount of energy being produced.  

However, in the presence of a large positive ΔS, the temperature required for the reaction to become spontaneous is lower.

To know more about Entropy  visit :

https://brainly.com/question/32484278

#SPJ11

H=132.3m and U=29.4ms−1 are height and velocity respectively.

What is motion?

Motion is a change in position of an object over time. It occurs when an object moves from one point to another. Motion can be described in terms of displacement, distance, speed, velocity, and acceleration. Motion can also be described using Newton's laws of motion which state that an object in motion will remain in motion unless acted upon by an external force. Motion also describes the motion of particles in a fluid or gas, as well as the motion of waves in a medium. Motion is an essential part of the physical world and is essential for understanding the fundamental laws of nature.

Motion in a straight line

Let,

u = Initial velocity of stone

H = Maximum height attained by the stone

v = final velocity at maximum height = 0

t = time taken to attain maximum height = 3s

a=−g= acceleration due to gravity

a. We know that,

V=u+at

0=u−g×3

U=3g=3×9.8ms−2

U=29.4ms−1

b. From the equations of motion, we know that,

S=ut+ ½ a t2

H=29.4×3+½ * 9.8 *32

H=88.2+44.1

H=132.3m

To learn more about motion,

https://brainly.com/question/29571846

#SPJ4

The eccentricity of Venus is = 0.0068. That is option C.

The orbital eccentricity is defined as the measurement that is used to show how an orbit deviates from the shape of a circle.

The Venus is one of the planets of the universe that is the second closest to the sun.

The Venus is one of the planets that has a small orbital eccentricity being 0.006772 which is approximately 0.0068. This means that it is closest to being circular in shape.

The planets with the largest orbital eccentricity is the planet Mercury with orbital eccentricity of 0.2056.

Learn more about Venus here:

https://brainly.com/question/28479993

#SPJ1