A 17.5-cm-diameter loop of wire is initially oriented perpendicular to a 1.3-T magnetic field. The loop is rotated so that its plane is parallel to the field direction in 0.15 s .

The three wavelengths that will produce standing waves on this string are 4 m, 2 m, and 1.33 m.

To find the wavelengths that will produce standing waves on a stretched string fixed at both ends, we can use the formula:

λn = 2L/n

where λn is the wavelength of the nth harmonic, L is the length of the string, and n is the harmonic number.

For the fundamental frequency (n = 1), the wavelength would be:

λ1 = 2L/1 = 4 m

For the second harmonic (n = 2), the wavelength would be:

λ2 = 2L/2 = L = 2 m

For the third harmonic (n = 3), the wavelength would be:

λ3 = 2L/3 ≈ 1.33 m

So, the three wavelengths that will produce standing waves on this string are 4 m, 2 m, and 1.33 m.

Now, for a wavelength that would not produce a standing wave pattern, we can consider the case where the wavelength is equal to the length of the string, i.e., λ = L. In this case, the wave will not produce a standing wave pattern because the ends of the string are fixed nodes, and the only possible standing wave pattern is one that has a node at each end. If the wavelength is equal to the length of the string, the only possible pattern would be a single wave with an antinode at the center, which is not a standing wave.

learn more about wavelengths: https://brainly.com/question/10750459

#SPJ1

Complete Question

The complete question is shown on the first uploaded image

Answer:

The value of  \(X = 1000 \ N\) and  \(Y = 1400 \ N\)  

Explanation:

Considering the diagram,

   Taking moment about the pivot , we have

           \(X * 1 = 400 * 2.5\)

=>         \(X = 1000 \ N\)

Generally given that the bar is at equilibrium then the upward forces is equal to the down ward force

So

        \(Y = X + 400\)

=>     \(Y = 1000 + 400\)

=>     \(Y = 1400 \ N\)    

Answer: The 1000-500 mb thickness is -5340 meters.

The 1000-500 mb thickness is a measure of the vertical distance between the 1000 mb and 500 mb pressure levels in the atmosphere. To calculate this thickness, we subtract the height of the 500 mb surface from the height of the 1000 mb surface.
In this case, the height of the 1000 mb surface is given as 185 m, and the height of the 500 mb surface is given as 5525 m.
To find the thickness, we subtract the height of the 500 mb surface from the height of the 1000 mb surface:
185 m - 5525 m = -5340 m
The negative sign indicates that the 1000 mb surface is lower in height than the 500 mb surface.
Therefore, the 1000-500 mb thickness is -5340 m.
It is important to note that this value represents the thickness in meters, and the negative sign indicates a decrease in height as we move from the 1000 mb to the 500 mb level.

To know more about meters visit:

https://brainly.com/question/372485

#SPJ11

The effective resistance between a and b is determined as R/6.

The effective resistance between a and b is calculated from the total resistance of the parallel circuit.

1/Re = 1/R₁ + 1/R₂ + 1/R₃

where;

The effective resistance between a and b is calculated as follows;

1/Re = 1/R + 1/R + 1/R

1/Re = (1 + 1 + 1) /R

1/Re = 3/R

Re = R/3

The effective resistance between a and b is = R/3  x ¹/₂ = R/6

Learn more about effective resistance of parallel circuit here: https://brainly.com/question/1597436

#SPJ1

The instrument used to measure the height of 20 litre Jerry can is a

measuring tape.

This instrument has readings which are usually in centimeter and inches.

This helps to measure the height of an object by starting the reading at zero

and getting the exact figure at the other end of the object.

In this scenario, the measuring tape will be the best instrument which will be

required to measure the height of a 20 litre Jerry can.

Read more about Measuring tape here https://brainly.com/question/409123

The force that will cause the given torque on the see-saw is 100 N.

The given parameters:

The force that will cause the given torque on the see-saw is calculated as follows;

τ = Fr

\(F = \frac{\tau}{r} \\\\F = \frac{200}{2} \\\\F = 100 \ N\)

Thus, the force that will cause the given torque on the see-saw is 100 N.

Learn more about torque here: https://brainly.com/question/14839816

Answer: b

Explanation:

It is based on an observation of a natural phenomenon can be answered by a scientific investigation. Thus option B is correct.

Scientific investigation can be defined as a continuous process involving different steps to find out the answer to a specific scientific question by using scientific method.

The basic steps includes observation, which can be further used to develop, design of experiment and improve a hypothesis and an explanation based on an observed phenomenon.

There are different steps involved  in Scientific Investigation such as

• Observation is the first step of the scientific investigation to observe the process involve in  the step of inspection and conduction of  the investigation by asking questions.

• Asking Questions is purely based on observation and it make sure that every detail is already known and a query existing can be solved quickly.

• making of a Hypothesis involves proper explanation of  the query and it is most important part of the scientific investigation, it can come from a phenomenon.

• conclusion involves to the information drawn out, follow a proper scientific or a mathematical statement followed by Communication of the information from the investigation

Thus option B is correct.

For more details regarding scientific investigation , here

brainly.com/question/12877466

#SPJ2

A.Bohr

His model postulated the existence of energy levels or shells of electrons. Electrons could only be found in these specific energy levels; in other words, their energy was quantised, and couldn’t take just any value. Electrons could move between these energy levels but had to do so by either absorbing or emitting energy.

A. Bohr!

This answer is correct because I read the information.

Kinetic energy is the energy of motion, while potential energy is the energy stored in an object due to its position or state.

Kinetic energy is the energy possessed by a moving object, and its value depends on the mass and velocity of the object. An example of kinetic energy is a moving car, which has energy due to its motion. Potential energy, on the other hand, is the energy stored in an object due to its position or state.

An example of potential energy is a stretched spring, which has energy stored in it due to its deformation. When the spring is released, the potential energy is converted into kinetic energy as the spring moves back to its equilibrium position.

To know more about the kinetic energy, here

brainly.com/question/26472013

#SPJ4

200 m/s speed. (Now it lets me lol)

Through food chains, the carbon that is in plants moves to the animals that eat them. Animals and plants need to get rid of carbon dioxide gas through a process called respiration. Carbon moves from fossil fuels to the atmosphere when fuels are burned.

Answer:

mass 3.67 kg, density 600 kg/m3) is fitted

with lead (density 1.14 * 10^4 kg/m3) so that it floats in water with

0.900 of its volume submerged. Find the lead mass if the lead is fitted

to the block’s (a) top and (b) bottom.

Answer: 17,423 J

Explanation:

Potential Energy = mass x gravity x height

PE = 74kg x 9.81m/s^2 x 24 m

PE = 17,423 J

The required value of gravitational potential energy gained by the person is 17422.56 J.

Given data:

The lifting height is, h = 24 m.

The mass of person is, m = 74 kg.

The energy possessed by the person by virtue of its position is known as gravitational potential energy of the person. The expression for the gravitational potential energy of person is given as,

U  = mgh

Here,

g is the gravitational acceleration.

Solving as,

\(U = 74 \times 9.81 \times 24\\\\U =17422.56\;\rm J\)

Thus, we can conclude that the required value of gravitational potential energy of person is 17422.56 J.

Learn more about the gravitational potential energy here:

https://brainly.com/question/19768887

When a small force is applied to a gyro, the result will instead occur 90 degrees ahead of that point, in the direction of rotation. this principle is known as: Precession

Precession is a shift in the direction of a rotating body's rotational axis. It can be described as a modification of the first Euler angle in the proper reference frame, while the rotation itself is defined by the third Euler angle. In other terms, a body is said to be precessing about a second axis if its own axis of rotation is spinning about that second axis. Nutation is a motion in which the second Euler angle varies. Precession can be either torque-free or torque-induced in physics.

To learn more about Precession from the given link:

https://brainly.com/question/4880418

#SJP4

Answer:

hmm let's see

Explanation:

ok, ill use the second equation of motion, u see its quite simple

recall that

average velocity= u+v/2

now think of that v like a box you can can call it velocity lol obviously its velocity

now remember the first equation of motion which is

v=u+at now this is inside the box, now you have to replace the v with it

then it becomes u+u+at/2

now u notice there are two initial velocity u know what to do with that

now it becomes

2u + at/2 now since the numerator applies to both then you can simplify it like this

2u/2+at/2

all the same the pont im trying to make is that you can use imaginative ways to mater derivation you can also reverse it if you don't unferstand you can drop your number

Answer: The answer is Skill

Explanation:

The work done by a constant force in a rectilinear motion is given by:

where F is the magnitude of the force, d is the distance and θ is the angle between the force and the displacement vector.

In this case we have two forces then we need to add the work done by each of them; for the first force we have a magnitude of 17 N, a displacement of 12 m and and angle of 0° (since both the displacement and the force point right); for the second force we have a magnitude of 36 N, a displacement of 12 m and an angle of 30°. Plugging these values we have that the total work is:

Therefore, the total work done is 578.123 J and the answer is option E

Answer:

Answer: opposite

Explanation:

Action reaction forces act in opposite direction to each other.

The plane travels a distance of 325 miles if the airplane travels for 2.5 hours at an average speed of 130 miles per hour. Using the distance formula (d = rt), we can calculate the distance.

To find the distance traveled by the airplane, we can use the distance formula, which is represented as d = rt. In this formula, "d" represents the distance, "r" represents the rate or speed at which the object is traveling, and "t" represents the time taken for the travel.

Given that the airplane travels for 2.5 hours at an average rate of 130 miles per hour, we can substitute these values into the formula. The rate of the airplane is 130 miles per hour, and the time taken is 2.5 hours.

Using the formula, we can calculate the distance traveled as follows:

d = rt

d = 130 mph × 2.5 hours

Multiplying the rate (130 mph) by the time (2.5 hours) gives us:

d = 325 miles

Therefore, the airplane travels a distance of 325 miles during the 2.5 hours of travel at an average rate of 130 miles per hour.

To know more about distance here https://brainly.com/question/30395212

#SPJ4

Answer:Proven answer:: is How just did it online Connections A.

Explanation:

Answer:

How is the answer.

Explanation:

Cart 1 of mass m is traveling with speed v, in the +x-direction when it has an elastic collision with cart 2 of mass 2m traveling with speed vo in the -x-direction. The expression for the velocities of the carts after the elastic collision is:

v1' = 3v + vo,v2' = -mvo / 2

Let's denote the initial velocity of cart 1 as v1, the initial velocity of cart 2 as v2, and the final velocities of cart 1 and cart 2 as v1' and v2', respectively, after the collision.

Conservation of momentum states that the total momentum before the collision is equal to the total momentum after the collision:

m × v1 + 2m × v2 = m × v1' + 2m × v2'

Applying the signs according to the given directions:

mv + 2m × (-vo) = m × v1' + 2m × v2'

Simplifying the equation:

mv - 2mvo = m × v1' + 2m × v2'

Next, conservation of kinetic energy states that the total kinetic energy before the collision is equal to the total kinetic energy after the collision:

(1/2) × m × v^2 + (1/2) × (2m) × (-vo)^2 = (1/2) × m × (v1'^2) + (1/2) × (2m) × (v2'^2)

Simplifying the equation:

(1/2) × m × v^2 + m × vo^2 = (1/2) × m × (v1'^2) + 2m × (v2'^2)

Now, we have a system of two equations with two unknowns (v1' and v2'). We can solve these equations to find the velocities of the carts after the collision.

To solve the system, we can rearrange the momentum conservation equation to express v1' in terms of v and vo:

v1' = (mv + 2mvo - 2mv2') / m

Substituting this expression for v1' in the kinetic energy conservation equation:

(1/2) × m × v^2 + m × vo^2 = (1/2) × m × [(mv + 2mvo - 2mv2') / m]^2 + 2m × v2'^2

Simplifying and solving for v2':

(1/2) × m × v^2 + m × vo^2 = (1/2) × m × (v^2 + 4vo^2 + 4v^2v2'^2 / m^2 - 4vvo - 4v2'vo)

Rearranging terms:

(1/2) × m × v^2 - (1/2) × m × v^2 - 4v2'vo = -2mvo^2 + 4mvo^2

-4v2'vo = 2mvo^2

v2' = -mvo / 2

Finally, substituting this expression for v2' back into the momentum conservation equation, we can find v1':

v1' = (mv + 2mvo - 2m ×(-mvo / 2)) / m

Simplifying:

v1' = 3v + vo

Therefore, the expression for the velocities of the carts after the elastic collision is:

v1' = 3v + vo

v2' = -mvo / 2

The question should be:

Cart 1 of mass m is traveling with speed v, in the +x-direction when it has an elastic collision with cart 2 of mass 2m traveling with speed vo in the -x-direction. Obtain an expression for the velocities of the carts after the collision?

To learn more about Conservation of momentum visit: https://brainly.com/question/7538238

#SPJ11

The description of the experiment needed for this is to make use of a string, suspend the weight, and then find the distance between the support and the center of mass of the knife-edge weight system

To determine the weight of the item utilizing the provided equipment, my proposed method involves executing a straightforward test in a subsequent manner:

Fix one end of the string to the item and fasten the other end to the blade's tip.

Horizontally position the knife edge onto a support to achieve balance.

Suspend the 100 g weight from the blade's tip using the string.

Using a meter rule, determine the distance between the support and the center of mass of the knife-edge weight system.

Remove the burden and substitute it with the item.

Rearrange the location of the item on the string until equilibrium is restored to the knife-edge weight mechanism.

Calculate the fresh extension between the support and the system's center of mass.

By applying the principle of moments, determine the weight of the object with respect to the known weight and the proportion of distances.

Read more about mass of an object here:

https://brainly.com/question/30282430

#SPJ1

Answer:

Both

Explanation:

The S.I. unit of pressure is newton/meter square or pascal as both represent the same dimensional value.

The chemical reactivity of an atom is determined by the number of electrons present in its outermost shell, also known as the valence electrons.

These electrons play a key role in determining the chemical properties of an atom, such as its reactivity and bonding behavior. An atom with a full or nearly full valence shell is less likely to engage in chemical reactions, while an atom with a partially filled valence shell is more reactive and readily participates in chemical reactions. Thus, the number of electrons in the valence shell is a critical factor in determining the chemical reactivity of an atom. Chemical reactivity refers to the ability of a substance to participate in chemical reactions and form new compounds. It is determined by various factors, including the arrangement of electrons in the outermost shell (valence electrons), the stability of the electronic configuration, and the energy required to break or form chemical bonds.

Learn more about chemical reactivity:

brainly.com/question/9621716

#SPJ4

Answer:

relative humidity increases

Explanation:

hope this helps:)

Work = Force x distance

Force = 250 N

distance = 2 m

Replacing with the values given:

W = 250 N x 2 m = 250 kg m / s^2 x 2m = 500 kgm^2/s^2 = 500 J

1 N = 1 kgm/s^2

1J= 1 kg m^2 /s^2

Answer:

Mars and venus have similar atmospheres

Answer:

Earth and Venus have similar atmospheres

Explanation:

Answer:

57.885.8 kg   weight of the container

Explanation:

The volume of the balloon * density of water = buoyant force of balloon

 volume of a sphere = 4/3 pi r^3

                                   = 4/3 pi * (1.5)^3 = 14.14 m^3   <===balloon volume

Now,   find the buoyant force on the container ALONE ....

             5.8 * 2.6 * 2.8  * 1027  = 43 364  kg   <=====  buoyant force

Now add the buoyant force of the balloon to find the weight

             43 364  +   14.14 * 1027 = 57885.8   kg

Answer:

⭐. cryptogams ( non-flowering & non-seed bearing)

⭐. phanerogams ( flowering & seed bearing)