A solenoid is wound with 2,500 turns per meter. when the current is 6.80 a, what is the magnetic field (in t) within the solenoid? (enter the magnitude.)

Answer:

t = 1.33 seconds

Explanation:

Given that,

The mass of the ball, m = 5 kg

Initial speed, u = 8 m/s

Final speed, v = 12 m/s

Force, F = 15 N

We need to find the time for long the force is applied. Let the time be t. The force is given by :

\(F=\dfrac{m(v-u)}{t}\\\\t=\dfrac{m(v-u)}{F}\\\\t=\dfrac{5\times (12-8)}{15}\\\\=1.33\ s\)

So, the force is applied for 1.33 seconds.

The magnitude of the frictional force between the sled and the snow is 46.3 N.

We are given that the pulling force has a horizontal component of 21 N and a vertical component in the upwards direction of 25 N. Using this information, we can calculate the magnitude of the pulling force as follows:

Magnitude of the pulling force = √((21 N)² + (25 N)²)

= √(441 N² + 625 N²)

= √(1066 N²)

= 32.7 N

To calculate the force of friction, we first need to calculate the net force. We can do this by finding the difference between the pulling force and the weight of the sled and child:

Net force = Magnitude of the pulling force - Weight of the sled and child

= 32.7 N - 79 N

= -46.3 N

Now, we know that this net force is equal to the force of friction:

Force of friction = Net force

= -46.3 N

To know more about magnitude here

https://brainly.com/question/15681399

#SPJ4

Water-based energy generation has the best conversion efficiency (90%) of available power to useable electricity.

Electricity is the collection of physical and perceptual properties linked with the presence and motion of matter that has an electric charge. Both electricity and magnetism are connected to the phenomena of electromagnetic, as defined by Maxwell's equations.

Water can create electricity with a conversion efficiency of around 90%, which is the greatest rate among renewable energy sources. Water energy may have numerous forms: Historically, hydroelectric power was obtained by building extremely large hydroelectric dams and reservoirs, which are still popular in developing nations.

To know more about energy click on the link below:

https://brainly.com/question/13881533

#SPJ4

Sound intensity more than 70 dB (noise) for a long period of time may start to damage your hearing.

A loud noise with sound intensity more than 120 dB can cause immediate harm to your ears.

The cross product of A and B is perpendicular to both A and B.

A × B = (4i + 2j + 2k) × (4i - 4j + 8k)

A × B = 16 (i × i) - 16 (i × j) + 32 (i × k) + 8 (j × i) - 8 (j × j) + 16 (j × k) + 8 (k × i) - 8 (k × j) + 16 (k × k)

A × B = -16 (i × j) - 32 (k × i) - 8 (i × j) + 16 (j × k) + 8 (k × i) + 8 (j × k)

A × B = -16k - 32j - 8k + 16i + 8j + 8i

A × B = 24i - 24j - 24k

The magnitude of A × B is

||A × B|| = 24 ||i - j - k|| = 24√3

Dividing A × B by its magnitude gives a unit vector,

(A × B)/||A × B|| = 1/√3 (i - j - k)

Answer:

Explanation:

Based on the given hint, it appears that the question is related to the analysis of a physics experiment involving the relationship between velocity, distance, and acceleration due to gravity.

Given that the formula v² = 2ugd is being used, it suggests that the experiment involves dropping an object from a height d and measuring the distance it travels over time, as well as the final velocity it reaches. By plotting the squared velocity (v²) on the vertical axis and distance (d) on the horizontal axis, a straight line can be obtained with a slope of 2ug, where u is the coefficient of friction and g is the acceleration due to gravity.

However, without further information or data from the experiment, it is impossible to determine the specific value of the scale factor used.

The buoyancy force on the gold ball will be more than that of aluminum.

An upward force applied by a fluid against the weight of an item that is partially or totally submerged is known as upthrust, also known as buoyancy. Pressure in a fluid column increases with depth due to the weight of the fluid on top.

Given that two solid metal balls all have the same radius. one is made of aluminum, the other of gold. And the balls are resting at the bottom of a pool of water.

The buoyancy force at the bottom force will be calculated by finding the density of the balls.

Buoyancy force = Volume inside water x Density X g

Density of gold = 19.3 g / cc

Density of aluminium = 2.7 g / cc

Since the density of the gold ball is more than the density of the aluminum ball.

Therefore, the buoyancy force on the gold ball will be more than that of aluminum.

To know more about buoyancy follow

https://brainly.com/question/12788506

#SPJ1

True, when talking about mass moving in a stream, competence refers to the maximum diameter of a particle that water flow can move.

In the context of mass movement within a stream, competence is a measure of a stream's ability to transport particles of different sizes. The term specifically refers to the maximum diameter of a particle that can be moved by the water flow. The competence of a stream is influenced by various factors such as water velocity, turbulence, and channel slope.

A higher competence indicates that the stream can transport larger particles, while a lower competence suggests that the stream can only move smaller particles. This concept is essential in understanding sediment transport and the overall behavior of streams in relation to erosion and deposition processes.

Learn more about turbulence here:

https://brainly.com/question/11443433

#SPJ11

The purpose of measuring the time it takes for 10 oscillations of the pendulum to occur and then using that value to find the time of one swing is because of the accuracy in timing which is greatly improved.

It is not simply time 1 swing because measuring the time for one swing, the result can be easily affected by human reaction time, which could introduce a high degree of error. Thus, timing a single swing will produce an inaccurate result due to error. The duration of multiple oscillations can be timed and then divided by the number of oscillations to give the duration of a single oscillation or swing.

This is done for accuracy in timing which is greatly improved. Also, since the period of oscillation of a pendulum depends on its length and the acceleration due to gravity, and does not depend on the mass of the pendulum, this method of timing ensures that the final value obtained is more accurate.

To know more about time visit:

https://brainly.com/question/32123193

#SPJ11

The mass of the given will be 20kg.

By using formula,

force = mass x acceleration

mass = force / acceleration

mass = 400 N / 20m/s²

mass = 20 Kg

Acceleration is the rate at which an object's velocity with respect to time changes. They are vector quantities, accelerations. The direction of the net force acting on an object determines the direction of its acceleration.

Any process where the velocity changes is referred to as acceleration. There are only two ways to accelerate: changing your speed or changing your direction, or changing both. This is because the velocity is both a speed and a direction.

To know more about vector quantities :

https://brainly.com/question/774036

#SPJ9

a. the magnification is approximately -0.464 (or -46.4%), and the image height is approximately -0.0273 m. b. the inversion, and the magnitude represents the absolute value of the image height.

(a) The magnification of the object held in front of a converging lens with a focal length of 0.190 m and a height of 0.059 m.

The magnification (m) of an optical system, such as a lens, is defined as the ratio of the height of the image (h') to the height of the object (h). Mathematically, it can be expressed as:

m = -h' / h

In this case, the height of the object (h) is given as 0.059 m. To determine the magnification, we need to calculate the height of the image (h').

The lens formula relates the object distance (d₀), the image distance (dᵢ), and the focal length (f) of the lens:

1/f = 1/d₀ + 1/dᵢ

Since the object is held in front of the lens, the object distance is negative (-0.220 m). The focal length is given as 0.190 m. We can rearrange the lens formula to solve for the image distance:

1/dᵢ = 1/f - 1/d₀

Substituting the values, we get:

1/dᵢ = 1/0.190 - 1/(-0.220)

1/dᵢ = 5.263 - (-4.545)

1/dᵢ = 9.808

dᵢ = 1/9.808

dᵢ ≈ 0.102 m

Now that we have the image distance, we can find the height of the image using the magnification formula:

m = -h' / h

Rearranging the formula, we can solve for the image height:

h' = -m * h

Substituting the values, we get:

h' = -(-dᵢ / d₀) * h

h' = dᵢ / d₀ * h

h' = 0.102 / (-0.220) * 0.059

h' ≈ -0.0273 m

Therefore, the magnification is approximately -0.464 (or -46.4%), and the image height is approximately -0.0273 m.

(b) The image height of the object held in front of a converging lens with a focal length of 0.190 m and a height of 0.059 m.

As calculated in part (a), the image height (h') is approximately -0.0273 m. The negative sign indicates that the image is inverted compared to the object. The magnitude of the image height represents the physical height of the image formed by the lens.

It is important to note that the negative image height (-0.0273 m) indicates the inversion, and the magnitude represents the absolute value of the image height.

Learn more about magnification here

https://brainly.com/question/1599771

#SPJ11

If the volume of the gas is made to be 29 litres by raising the temperature to 325 K and lowering the pressure to 20.0 atm, then (d) 5.9 litres of gas are present initially.

Temperature is a measure of hotness and coolness on a variety of scales, including the Fahrenheit and Celsius systems. According to temperature, heat energy will naturally move from a hotter (body with a higher temperature) to a colder (body with a lower temperature) (one at a lower temperature). The physical concept of temperature indicates in numerical form how hot or cold something is. A thermometer is used to determine temperature.

A branch of physics called thermodynamics investigates heat and temperature. The movement of energy all through the cosmos is governed by the principles of thermodynamics. They are researched in many branches of engineering and science, including chemistry, biology, and environmental science. Temperature can be expressed in Celsius (°C), Kelvin (K), Fahrenheit (°F), or Rankine units and describes the average energy of molecules inside a substance or system (R). It is a quantifiable physical characteristic of an object; a state variable.

The Ideal Gas Law can be used to find the gas's initial volume.

PV = nRT, where P is pressure, V is volume, n is number of moles of gas, R is ideal gas constant, and T is temperature in kelvins, is the formula for the Ideal Gas Law.

Initially:

P1 * V1

= n * R * T1

After change:

P2 * V2

= n * R * T2

We may put the two equations equal to one another and find the starting volume because the quantity of gas in a given mole does not vary.

P1 * V1 = P2 * V2

V1 = (P2 * V2) / P1

V1 = (20.0 atm * 29 L) / 60.0 atm

V1 = (20.0/60.0) * 29 L

V1 = (1/3) * 29 L

V1 = 9.67 L

Therefore, the gas's starting volume was 9.67 litres. The closest option is d. 5.9 litres, so that is the correct response.

To know more about Temperature visit:

https://brainly.com/question/2160033

#SPJ4

The application of the effort pf 400N on the widest part it resist the force of 800 N inside a wooden block the velocity ratio of the wedge is 4.

We know the effort and resistance forces, so we can solve for the distance moved by each force:

Distance moved by effort = (Resistance x distance moved by resistance) ÷ Effort

Distance moved by effort = (800 N x 8 cm) ÷ 400 N

Distance moved by effort = 16 cm

Distance moved by resistance = length of wedge - distance moved by effort

Distance moved by resistance = 20 cm - 16 cm

Distance moved by resistance = 4 cm

Now we can plug these distances into the formula for the velocity ratio:

Velocity ratio = distance moved by effort ÷ distance moved by resistance

Velocity ratio = 16 cm ÷ 4 cm

Velocity ratio = 4

Velocity ratio is a term used in mechanics and is defined as the ratio of the distance traveled by the effort to the distance traveled by the load in a machine. It is a fundamental concept that is used to determine the mechanical advantage of a simple machine. The velocity ratio is essential in understanding how a machine works and how it can be used to make work easier.

The velocity ratio is an important factor in the efficiency of a machine. A higher velocity ratio means that the load can be moved with less effort, resulting in a higher mechanical advantage. Therefore, machines with a high velocity ratio are considered to be more efficient and can be used to perform work more easily. Understanding the concept of velocity ratio is important in designing and operating machines, especially in situations where work needs to be done with minimal effort.

To learn more about Velocity ratio visit here:

brainly.com/question/20354183

#SPJ4

Answer:

Hamid

Explanation:

I got it right on my test

A major romantic poet, John Keats wrote brilliantly, loved hopelessly, and died prematurely. Option C is the correct answer.

The second generation of Romantic poets, which also included Lord Byron and Percy Bysshe Shelley, included the English poet John Keats. When he passed away at the age of 25 from TB, his poetry had been published for less than four years. Option C is the correct answer.

During his lifetime, they were not well accepted, but upon his passing, his renown soared. His inclusion in the English literary canon by the century's conclusion had a significant impact on several Pre-Raphaelite Brotherhood authors. Particularly in the series of odes, Keats' style was "heavily loaded with sensualities." He used natural images, as was typical of Romantics, to emphasize intense emotion. He continues to have some of the most widely read and studied poetry and letters in English literature today.

Learn more about Poetry here:

https://brainly.com/question/987165

#SPJ4

"The complete question is, "Choose the correct answer. A major Romantic poet, John Keats wrote brilliantly, loved hopelessly,

A. and who died prematurely.

B. and he died prematurely.

C. and died prematurely.

D. and at a premature age died."

Answer:

(a) (i) 1) The mass of the water is 1.8 × 10⁹ kg

2) The gravitational potential energy is 6.174 × 10¹² J

4) The energy given to the turbine by the falling water is 6.174 × 10¹² J

5) The maximum possible average output power is 245 MW

Explanation:

In the question we are required to convert the total initial potential energy, P.E., of the water to power

The given parameters are;

The height of the reservoir above the turbine, h = 350 m

The time duration the volume of water takes to flow, t= 7.0 hours

The volume of water that flows down from the reservoir, V = 1.8 × 10⁶ m³

The density of the water, ρ = 1000 kg/m³

(a) (i) Density = Mass/Volume

∴ Mass = Density × Volume

The mass of the water that flows down from the reservoir = m = V × ρ

By substituting the known values, we have

The mass of the water, m = 1.8 × 10⁶ m³ × 1000 kg/m³ = 1.8 × 10⁹ kg

2) The gravitational potential energy, P.E. = m × g × h

where;

m = The mass of the water = 1.8 × 10⁹ kg

g = The acceleration due to gravity = 9.8 m/s²

h = The height from which the water falls = 350 m

Which gives;

The gravitational potential energy,

P.E. = 1.8 × 10⁹ kg × 9.8 m/s² × 350 m = 6.174 × 10¹² J

The gravitational potential energy = 6.174 × 10¹² J

4) The energy given to the turbine by the falling water, E = The gravitational potential energy = 6.174 × 10¹² J

5) The maximum possible average output power, P = (Energy given to the turbine, E)/(Time taken to produce the energy = The time duration the water takes to flow, t)

The time duration the water takes to flow, t = 7.0 hours = 7 × 60 × 60 seconds =  25,200 seconds

∴ P = 6.174 × 10¹² J/(25,200 s) = 245,000,000 watts = 245 MW

At the time of the summer solstice, the noontime altitude of the sun is at its highest point, around 90°.

Altitude is the height above sea level. It is typically measured in either metres or feet. In aviation, altitude can also refer to the vertical distance between an aircraft and a certain reference point on the ground. Altitude can be used to determine the air pressure, temperature, and density of the air. Altitude can also be used to calculate the distance a plane can travel without refueling. Altitude can play an important role in the weather of an area, as air pressure and temperature tend to decrease with altitude. Altitude can also affect the type of vegetation found in an area. In mountain regions, the altitude can have a dramatic effect on the climate, creating distinct areas of vegetation and wildlife. Altitude can also affect the types of crops that can be grown in an area, depending on the air pressure, temperature, and precipitation.

To learn more about altitude

https://brainly.com/question/26477184

#SPJ4

Answer:

thatss deeeeepppp

Explanation:

xjdjdjfjd

Answer:

k nishant

Explanation:

the answer is option B

The centripetal force experienced by the towel is 55 N.

The given parameters;

The centripetal force experienced by the towel spinning along the walls of the drum is calculated as follows;

Fc = mrω²

where;

Fc is the centripetal force

ω is angular speed in rad/s

The angular speed in rad/s is calculate as;

\(\omega = \frac{200 \ rev}{\min} \times \frac{2\pi \ rad}{1 \ rev} \times \frac{1\min}{60 \ s} \\\\\omega = 20.95 \ rad/s\)

The centripetal force experienced by the towel is calculated as;

\(F_c = mr\omega ^2\\\\F_c = 0.25 \times 0.5 \times (20.95)^2\\\\F_c = 54.9 \ N \ \approx 55 \ N\)

Thus, the centripetal force experienced by the towel is 55 N.

Learn more here: https://brainly.com/question/20905151

Option B: The friction force is a horizontal force applied to the box by the floor. This is due to Newton's third law of motion, which states that every action has an equal and opposite reaction.

The reaction force is a horizontal force in the opposite direction applied by the box to the floor.
When you drag a heavy box along a rough horizontal floor, the force of friction is acting in the opposite direction to the motion of the box.

This frictional force is due to the irregularities in the surface of the floor that oppose the movement of the box. According to Newton's third law of motion, every action has an equal and opposite reaction. Therefore, the reaction force to the friction force on the box is a horizontal force in the opposite direction applied by the box to the floor.

Hence ,The reaction force to the friction force on the box is a horizontal force in the opposite direction applied by the box to the floor. This is due to Newton's third law of motion, which states that every action has an equal and opposite reaction.

Learn more about friction click here:

https://brainly.com/question/24338873

#SPJ11

The natural frequencies are ω1 = √(2k/m) and ω2 = √(k/(2m)). If the off-diagonal terms are zero, the equations of motion are fully decoupled. These responses can be plotted to visualize the system's behavior over time.

a. For ci = C2 = 0:

i. The natural frequencies of the system can be computed using the formula: ωn = √(ki/mi), where ωn is the natural frequency, ki is the stiffness coefficient, and mi is the mass. In this case, we have m1 = m, m2 = 2m, k1 = 2k, and k2 = k. Therefore, the natural frequencies are ω1 = √(2k/m) and ω2 = √(k/(2m)).

ii. To orthonormalize the modes, we need to find the eigenvectors associated with the system's mass and stiffness matrices. By performing modal analysis, we can compute the eigenvectors and normalize them to obtain orthonormal modes. Once the modes are orthonormalized, we can check if a modal transformation of coordinates fully decouples the equations of motion by examining the off-diagonal terms of the transformed mass and stiffness matrices. If the off-diagonal terms are zero, the equations of motion are fully decoupled.

iii. To calculate the system responses xi(t) and x2(t) using modal analysis for m = 1 and k = 4, we can express the initial conditions in terms of the orthonormal modes obtained in part ii. Then, using the modal transformation, we can decouple the equations of motion and solve them individually for each mode. Finally, the system responses can be obtained by combining the modal contributions based on the computed modal coordinates and natural frequencies. These responses can be plotted to visualize the system's behavior over time.

Learn more about frequencies here:-

https://brainly.com/question/30783512

#SPJ11

The study of quarks and their interactions is an important area of research in particle physics, as it can shed light on the fundamental nature of matter and the universe.

In addition to up and down quarks, there are four other quarks in the standard model of particle physics. These are the charm, strange, top, and bottom quarks.

The strange quark was first discovered in the 1960s and was named for its unusual behavior. It has a mass about 80 times that of the up quark and is unstable, decaying quickly into lighter particles. The charm quark was discovered in the 1970s and has a mass about twice that of the strange quark. The top quark is the heaviest of all the quarks, with a mass about 100 times that of the up quark. It was discovered in the 1990s and is produced only in high-energy particle collisions. Finally, the bottom quark has a mass about four times that of the up quark and was discovered in the 1970s.

Quarks are fundamental particles and are the building blocks of protons and neutrons, which in turn make up the nuclei of atoms. They interact through the strong force, which is mediated by particles called gluons. The study of quarks and their interactions is an important area of research in particle physics, as it can shed light on the fundamental nature of matter and the universe.

To learn more about interactions visit:

https://brainly.com/question/29690903

#SPJ11

Answer: C

Explanation:

Since bulb B is burnt out, the wires can't transfer to bulb A, so that's why bulb A will burn out.

If I get it wrong, sorry. Im still learning.

Answer's

Explanation's

"Choice-C" is the answer.

Total time taken by Anya to cover the distance of 5 miles is 60.90 minutes

To solve this problem, we need to find the time it takes for Anya to walk half of the distance, and then the time it takes for her to run the other half. We can use the formula

time = distance / speed

For the first half of the distance, Anya walks at a speed of 3.80 mph, so the time it takes her to cover that distance is

time = 2.5 miles / 3.80 mph = 0.6579 hours

To find the time in minutes, we can multiply by 60

time = 0.6579 hours × 60 minutes/hour = 39.47 minutes

For the second half of the distance, Anya runs at a speed of 7.00 mph, so the time it takes her to cover that distance is

time = 2.5 miles / 7.00 mph = 0.3571 hours

To find the time in minutes, we can again multiply by 60

time = 0.3571 hours × 60 minutes/hour = 21.43 minutes

Therefore, the total time it takes Anya to cover the 5.00 miles is

total time = 39.47 minutes + 21.43 minutes = 60.90 minutes

Learn more about time here

brainly.com/question/26862717

#SPJ4

Answer with explanation

a) Formula to find the current that passes through a circuit is :

Given that,

Voltage = 45V

Resistance = 39Ω

Current =?

Let us find it now.

V = I × R

45V = I × 39Ω

Divide both sides by 39.

1.153A = I = Current

b) Formula to find the energy is:

            = 45V × 1.153A × ( 5 × 60)s

            = 15565.5 J

            = 15.5655kJ

The net force is the centripetal force is 3.56 N.

F1= 3N

F2 = m v²/r

F 2= 0.150 kg*(2.8 m/s)^2/0.75 m

F2= 0.56N

Net force = F1+F2=3N+0.56N= 3.56 N.

As an object moves, the centripetal force pulls or pushes it towards the center of a circle, generating angular or circular motion. The force of tension on the rope pushes the object towards the center while spinning a ball on a string or twirling a lasso.

Centripetal force is described as the force acting on a body traveling in a circular route that is directed toward the body's center. The name is derived from the Latin words centrum, which means "center," and petere, which means "to seek." The centripetal force is the center-seeking force.

To learn more about centripetal force visit:https://brainly.com/question/11324711

#SPJ9