what is the potential difference between yi =−8cm and yf =8cm in the uniform electric field e⃗→ =(20,000i^−50,000j^)v/m?

There are several locations on Earth where there are complex or uncertain plate boundaries:

The boundary between the Eurasian Plate and the African Plate: This boundary runs through the middle of the Red Sea and is marked by a divergent boundary (where the plates are moving away from each other).

The boundary between the North American Plate and the Pacific Plate: This boundary is marked by a transform boundary (where the plates are moving past each other) along the west coast of North America, including the San Andreas Fault in California.

The boundary between the Nazca Plate and the South American Plate: This boundary is marked by a subduction zone along the west coast of South America, including the Andes Mountains.

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Answer:

momentum= mass x velocity = 0.35x15= 5.25kgm/s

The correct answer is The minuscule hills and valleys of two contacting surfaces grow, which causes friction. Describe how friction is impacted by the pressure pressing two surfaces together. The amount of friction between two surfaces increases as the force pulling the surfaces together increases.

Frictional force is the force produced when two surfaces slide against and touch each other. The surface texture and amount of force needing them together have the biggest an impact on these forces.

The forces of adhesion between the sites of contact areas of the surfaces, which are always minutely uneven, are the primary cause of friction between objects. The action of the imperfections of the harder surface tilling across the softer surface shears these "fused" connections, causing friction.

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Among the following options, Enterprise Resource Planning (ERP) is the type of ES frequently used to support operational procurement activities.

ERP or Enterprise Resource Planning is a software application that an organization uses to manage its business processes. It integrates various departments, such as finance, HR, inventory, and procurement, into a single system and streamlines communication between them. This assists firms in effectively utilizing resources and achieving their objectives.

ERP system is frequently used to support operational procurement activities because it can help in coordinating the purchasing process from start to finish. It also automates many activities such as generating purchase orders, tracking shipments, recording receipts, and paying invoices.

Thus, it can increase the efficiency and accuracy of procurement processes, reducing the need for manual intervention.

Therefore, the correct answer is A) ERP.

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Answer:

Ascaris and Arthropods are both types of organisms found in the animal kingdom. Ascaris are parasitic worms, commonly referred to as roundworms, which can be found in warm climates all over the world. Arthropods, on the other hand, are a large group of animals, including insects, arachnids, and crustaceans, that typically have jointed legs and a hard exoskeleton. Arthropods are found in almost all environments, from oceans to deserts to the tops of mountains.

Explanation:

Answer:

1. f=1T. where: f is the frequency of the wave in hertz. T is the period of the wave in seconds.

2. f=vλ where: f is the frequency of the wave in hertz. v is the velocity of the wave in meters per second. λ is the wavelength of the wave in meters

3. f=cλ

Explanation:

Answer: is C

Explanation: i hope it helps :)

Answer:b) 30km/h

Explanation: I just had this answer on a test got it right!!thit

Answer:

The President can issue executive orders, which direct executive officers or clarify and further existing laws.

The President also has the power to extend pardons and clemencies for federal crimes.

Explanation:

Answer:

A causes free electrons to flow

Explanation:

The amount of force that causes electrons to flow in a conductor is called electromotive force.

The acceleration of the object is closest to 2.62 m/s² when the friction force on this object is 30n to the left and has an horizontal pull of 50n.

To find the acceleration of the object, we need to use Newton's second law, which states that the net force on an object is equal to the product of its mass and acceleration:

F_net = ma

where F_net is the net force acting on the object, m is the mass of the object, and a is its acceleration.

In this case, the net force on the object is the sum of the force applied by the pull and the force of friction:

F_net = F_pull - F_friction

where F_pull is the force applied by the pull, and F_friction is the force of friction.

Substituting the given values, we get:

F_net = 50.0 N - 30.0 N = 20.0 N

Since we know the weight of the object is 75.0 N, we can find its mass using the formula:

F_gravity = mg

where F_gravity is the force of gravity or weight, m is the mass, and g is the acceleration due to gravity, which is 9.81 m/s² on Earth.

Substituting the given weight, we get:

75.0 N = m * 9.81 m/s²

Solving for m, we get:

m = 7.64 kg

Now we can use Newton's second law to find the acceleration:

a = F_net / m = 20.0 N / 7.64 kg ≈ 2.62 m/s²

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The part of the microscope that the objectives are attached to is called the (C) nosepiece.

The nosepiece is a rotating mechanism located below the microscope's body tube. It holds the objectives, which are the lenses responsible for magnifying the specimen. The nosepiece typically has multiple positions, allowing the user to switch between different objective lenses for varying levels of magnification.

This convenient feature eliminates the need to manually remove and replace objectives when changing magnification. By rotating the nosepiece, different objectives can be brought into position above the specimen. This allows for quick and efficient adjustments in magnification without disrupting the viewing process.

Hence, the nosepiece plays a critical role in the microscope's functionality by providing a convenient way to switch between objectives and adjust the magnification level.

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Here is the complete question:

What is the name of the part of the microscope that the objectives are attached to? (Choose the best answer)

A. Ocular

B. Stage

C. Nosepiece

D. Arm

Explanation:

see the attachment.. hope it will help you

Answer:.

Explanation:

Z

Answer:

Potential energy

Explanation:

potential energy is stored energy, if the dog is sleeping then it's storing it's energy.

Answer:

At the bottom    h = 0   for pendulum

at the top           h = L - L cos 50     height to which pendulum raised

   h = L (1 - cos 50) = 1.2 * .357 = .429 m

potential energy = m g h

PE = .8 kg * 9.8 m/s^2 * .429 m = 3.4 J

If a  frictionless pendulum has a length of 1.2 m and a mass of 0.8 kg. If the pendulum is raised to an angle of 50 degrees before it is released, then the pendulum’s gravitational potential energy at the point of release would be 3.4 Joules, therefore the correct answer is option A.

Mechanical energy is the combination of all the energy in motion represented by total kinetic energy and the total potential energy stored energy in the system which is represented by total potential energy.

As given in the problem if a frictionless pendulum has a length of 1.2 m and a mass of 0.8 kg. If the pendulum is raised to an angle of 50 degrees before it is released,

At the top height to which the pendulum was raised,

Height  = L (1 - cos 50) = 1.2 * 0.357 =0 .43 m

The potential energy = m× g ×h

The gravitational potential energy =0.8 * 9.8  * 0.429 m = 3.4 Joules

Thus, the pendulum’s gravitational potential energy at the point of release would be 3.4 Joules, therefore the correct answer is option A.

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A football player throws a football 30 meters in 2.5 seconds, divide 30 by 2.5 and get 12.

An object's speed, also known as "v," is the amount by which its position changes over time or by how much it changes per unit of time, making it a scalar number.  

The instantaneous speed is the upper limit of the average speed as the duration of the time interval approaches zero. The average speed of an item in a period of time is equal to the distance traveled by the object divided by the duration of the period. Velocity and speed are not the same thing.

The parameters of speed are time divided by distance. The metre per second (m/s), the SI measure of speed, is the most widely used unit of speed in daily life.

Therefore, A football player throws a football 30 meters in 2.5 seconds, divide 30 by 2.5 and get 12.

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Answer:   By squeezing the balloon, you reduce the space the gas particles can occupy. As the particles are pushed a bit closer together, they collide with more, so the pressure from the moving gas particles increases. If the volume increases, its pressure decreases.

Answer: Ionisation is the process of an atom gets a negative or a positive charge by gaining or losing electrons. The result is an ion.

Explanation: Thats why

Answer:

fo HDD wish submit details hernia weeks access sh

The age of the sample can be determined using the first order equation of the nuclear decay. The age of the parent isotope here is 45 years.

Unstable radioactive nuclei undergo nuclear decay to produce more stable nuclei with more life time. The time required to decay half of the initial amount of a material is called its half life.

The half life of a sample is related with the decay constant k as follows:

k = 0.693/t1/2

Given that, t1/2 = 15 years

k = 0.693/15 = 0.0462 yr⁻¹

The first order equation of the decay process is written as:

k = 1/t ln w0/wt

where w0 is the initial amount and wt be the amount after time t.

then t = 1/k ln w0/wt

Given that, the sample was decayed to one eighth of the initial amount .

t = 1/k ln 8

 = 1/0.0462 ln 8

 = 45 years.

Therefore, option C is correct.

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The amount manager should invest today in GIC to have C$5 million in 10 years is C$2,775,633.

To find the amount the manager should invest today in a GIC, we can use the future value formula:

FV = PV(1 + r/n)^(nt)

Where FV is the future value, PV is the present value, r is the annual interest rate, n is the number of times interest is compounded per year, and t is the number of years.

In this case, FV = C$5 million, r = 6% (0.06), n = 12 (compounded monthly), and t = 10 years. We need to solve for PV.

Rearrange the formula to solve for PV:

PV = FV / (1 + r/n)^(nt)

Now, plug in the given values:

PV = 5,000,000 / (1 + 0.06/12)^(12*10)

PV ≈ C$2,775,633

The manager should invest approximately C$2,775,633 in the GIC today to have C$5 million in 10 years.

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Answer:

180m/s²

Explanation:

A = Fm

A = 18(10)

A = 180m/s²

Answer:

Matter in the universe is made up of atoms, particles if electrons were to be stationary, they would have fallen into the nucleus because of electrostatic force acting on them destroying very existence of an atom we know.

Answer:

C)

Explanation: In freefall motion object always has gravity as its acceleration.

C) 3 mls to the right. The positive direction is to the right, the velocity of the wave is in the positive direction, which means it is 12 mls to the right.

The equation y(x,t) = 6 cos(3x + 12t) describes an ID travelling wave on a string. The velocity of the wave can be determined by finding the coefficient of t in the argument of the cosine function. In this case, the coefficient of t is 12. Since the positive direction is to the right, the velocity of the wave is in the positive direction, which means it is 12 mls to the right. Therefore, the correct answer is C) 3 mls to the right.
The given equation for the traveling wave is y(x,t) = 6 cos(3x + 12t). To find the wave's velocity, we must identify the wave's angular frequency (ω) and wave number (k) from the equation. In this case, ω = 12 and k = 3. The wave's velocity (v) can be calculated using the formula v = ω/k.

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Answer:

to move faster

Explanation:

momentum, product of the mass of a particle and its velocityit has both magnitude and direction. Isaac Newton's second law of motion states that the time rate of change of momentum is equal to the force acting on the particle. See Newton's laws of motion.

Answer:

gaining speed

Explanation:

To find the electric field vector on the y-axis at y = 31 cm due to the two charges, we can use the principle of superposition. The electric field at a point is the vector sum of the electric fields produced by each charge individually.

Given:

Charge q1 = +12.6 nC at the origin (x = 0)

Charge q2 = -31.3 nC at x = 24 cm = 0.24 m

Point of interest: y = 31 cm = 0.31 m

We can use Coulomb's law to calculate the electric field produced by each charge at the point of interest.

Electric field due to q1 (E1):

Using Coulomb's law, the electric field at point P due to charge q1 is given by:

\(E1 = k * (q1 / r1^2) * u\), where k is the Coulomb's constant, r1 is the distance from q1 to P, and u is the unit vector pointing from q1 to P.

Since q1 is located at the origin, the distance r1 is the distance from the origin to P, which is equal to the y-coordinate of P.

r1 = y = 0.31 m

Plugging in the values:

E1 = \(k * (q1 / r1^2) * u1\)

Electric field due to q2 (E2):

Similarly, the electric field at point P due to charge q2 is given by:

E2 = k * (q2 / r2^2) * u, where r2 is the distance from q2 to P, and u is the unit vector pointing from q2 to P.

The distance r2 is the horizontal distance from q2 to P, which is given by:

r2 = x2 - xP

  = 0.24 m - 0

  = 0.24 m

Plugging in the values:

E2 =\(k * (q2 / r2^2) * u2\)

Total Electric Field (E):

The total electric field at point P is the vector sum of E1 and E2:

E = E1 + E2

Calculating the magnitudes and directions:

1. Calculate E1:

E1 = k * \((q1 / r1^2) * u1\)

2. Calculate E2:

E2 = k \(* (q2 / r2^2) * u2\)

3. Calculate E:

E = E1 + E2

Remember to include the appropriate signs and directions for the electric field vectors based on the signs and electric of the .

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Answer:

7...is mitochondria :- mitochondria are known as the power house of the cell.

Answer:

1) cell wall

you know cell wall is a made up cellulose

it's present in plant cell

it surface are very hard

it protects high temperature, moisture of air, pressure of air etc

Explanation:

Taking g=10m/s²

P.E =mgh

981J= 2×10×m

981J=20m

m. = 981J/20

m. = 49.05kg