A simple pendulum and a spring-mass pendulum both have identical frequencies. How can you change them so that they will still have identical frequencies?

The ideal mechanical advantage (IMA) of the pulley system is 4.

In this case, the load to be lifted is 200 N, and the force applied to the rope is 50 N. Pulley system has four movable pulleys and two fixed pulleys, which means that there are a total of 6 ropes supporting the load.

Since each rope supports equal share of load's weight, force required to lift the load is divided equally among the 6 ropes. Therefore, the force required to lift the load is 200 N/6 = 33.33 N.

The ideal mechanical advantage (IMA) of pulley system can be calculated as follows:

IMA = Force exerted on the load / Force applied to the rope

= 200 N / 50 N

= 4

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--The complete Question is, A pulley system is used to lift a load of 200 N by exerting a force of 50 N. The pulley system has four movable pulleys and two fixed pulleys. What is the ideal mechanical advantage (IMA) of the pulley system? --

Answer:

Acceleration

Explanation:

Its speed or velocity change

The direction of the current in the current-carrying wire that produces the field indicated in the figure is given below.

Conventionally, a positive charge would go in the same direction as an electric current. As a result, the battery's positive terminal receives less current in the external circuit than its negative counterpart. Indeed, electrons would go in the reverse direction across the cables.

According to Fleming's right-hand rule gives which direction the current flows. The right hand is held with thumb, index finger & middle finger mutually perpendicular to each other. The thumb is pointed in direction of motion to magnetic field of conductor relative to magnetic field.

(A) from right hand rule direction of current is towards left.

(B) Out of the Screen.

(C) Lower left to upper right.

According to Fleming's Right Hand Rule, if the thumb, forefinger, and middle finger are arranged in a straight line on the right hand, the thumb will point in the direction of the conductor's motion in relation to the magnetic field, the forefinger will point in the direction of the magnetic field, and the middle finger will point in the direction of the induced current.

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Full Question ;

Consider the following figures. Determine the direction of the current in the current-carrying wire that produces the field indicated in the figure. (a) * * * * * * * * * * * Bin * O out of the screen O into the screen O toward the left toward the right toward the top of the screen toward the bottom of the screen (b) O out of the screen O into the screen O toward the left toward the right O toward the top of the screen toward the bottom of the screen (C) * * * * O out of the screen into the screen lower right to upper left lower left to upper right upper right to lower left upper left to lower right

Answer:

Explanation:  Please see my attached calculations.

The wavelength of infrared radiation that has an energy of 2,000 J/photon is approximately 9.937 x 10⁷meters, or about 993.7 nanometers.

The enery of a photon of infrared radiation can be calculated using the formula:

E = hc/λ

where E is the energy of the photon, h is Planck's constant (6.626 x 10⁻³⁴ J·s), c is the speed of light (299,792,458 m/s), and λ is the wavelength of the radiation.

We can rearrang this equation to solve for the wavelength:

λ = hc/E

λ = (6.626 x 10⁻³⁴ J·s) x (299,792,458 m/s) / (2000 J/photon)

λ = 9.937 x 10⁷ meters

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Answer:

Its lack of mass production

Explanation:

Your Welcome;)

The limitation of using cellulose is its lack of mass production.

Cellulose is a polymer of glucose. It is obtained from glucose by condensation polymerization to yield a long chain.

Cellulose materials have a high potential of being quite useful as important materials for diverse applications.

However, the problem with cellulose materials is that they can not really be mass produced. This limitation has long encumbered the possibility of using cellulose materials for various applications in material science.

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The string vibrates the surrounding air, which produces a longitudinal wave.

Brainly if correct? Please and thank you :D

The guitar string vibrates the surrounding air, which produces a transverse wave.

A transverse wave can be used to represent the motion of a guitar string since it oscillates up and down perpendicular to its axis of motion.

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Big has no cause of action against Temper. In this scenario, while Temper may have made a verbal threat and raised his fists in a confrontational manner, there is no indication that he physically touched or harmed Big.

Assault refers to the act of intentionally causing apprehension or fear of imminent harmful or offensive contact. Battery, on the other hand, involves the intentional and harmful or offensive physical contact with another person without their consent.

In this case, Temper's actions may constitute assault due to the verbal threat and raising his fists, creating an atmosphere of fear or apprehension. However, since no physical contact or harm occurred, battery is not applicable. Therefore, the appropriate response is option d: Big has no cause of action against Temper.

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From the Hertzsprung-Russell (H-R) the correct option is A) It is very hot compared to other stars.

In the event that a star is found within the upper cleared-out corner of the Hertzsprung-Russell (H-R) chart, it is likely a hot star.

The upper cleared out corner of the H-R graph speaks to stars that are exceptionally brilliant and have tall temperatures, such as blue monsters, blue supergiants, and O-type stars.

These stars are much hotter than stars just like the Sun, which are found within the center of the H-R graph. In this manner, in the event that a star is found within the upper cleared out corner of the H-R graph, it is likely a hot star.

In any case, the particular properties and characteristics of the star, such as its age, estimate, and developmental organize, would depend on its correct area on the H-R chart. 

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Answer:

The part of the earth and its atmosphere in which living organisms exist or that is capable of supporting life.

Explanation:

It’s in the definition of biosphere. “Bio” means “life,” so “biosphere” is that portion of the Earth capable of supporting life.

The formula to calculate how far the boat sinks into the liquid is:

Depth = (Weight of the boat - Buoyant force) / (Length x Width of the submerged part of the boat)

To calculate how far a boat sinks into a liquid, we need to take into account the weight of the boat and the buoyant force of the liquid acting on the boat. The buoyant force is equal to the weight of the liquid displaced by the boat, which depends on the volume of the boat submerged in the liquid. We can use the following steps to calculate how far the boat sinks into the liquid:

So, the formula to calculate how far the boat sinks into the liquid is:

Depth = (Weight of the boat - Buoyant force) / (Length x Width of the submerged part of the boat)

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Answer:

The answer of this question is

Explanation:

1.5 kg mass moving at 8.5 m/s (N).

We have that the amount of the charge q is

\(q=1.8*10^{-7}\)

From the Question we are told that

Force \(F=7.89 x*10^{-7}\)

Velocity \(V=2090m/s\)

Angle \(\theta=29.4\)

Magnetic field \(B=4.23 * 10^{-3} T\)

Generally, the equation for Force F is mathematically given by

\(F=qVBsin\theta\\\\q=\frac{F}{VBsin\theta}\)

\(q=\frac{7.89 x*10^{-7}}{4.23 * 10^{-3} T*sin29.4*2090m/s}\)

\(q=1.8*10^{-7}\)

In conclusion

The amount of the charge q is

\(q=1.8*10^{-7}\)

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From the question, the given charge moving within the magnetic field would have a value of 1.82 x \(10^{-7}\) C.

A charge is either a positively or negatively charged particle. When a charge is moving through a magnetic field, it would experience a force which depends on the amount of the charge, its speed, the magnetic field strength and angle. The force on a charge in a magnetic field can be determined by:

F = qvBSin θ

where: q is the charge, v is its velocity/ speed in the field and θ is the angle of deflection of the charge.

Given that: F = 7.89 x \(10^{-7}\) N, v = 2090 m/s, B = 4.23 x \(10^{-3}\) T and θ = 29.4°.

Thus, the amount of the charge can be determined by;

q = \(\frac{F}{vBsin O}\)

  = \(\frac{7.89*10^{-7} }{2090*4.23*10^{-3}* Sin 29.4 }\)

  = \(\frac{7.89*10^{-7} }{4.340}\)

q = 1.818 x \(10^{-7}\)

q = 1.82 x \(10^{-7}\) C

Therefore, the amount of the charge that moved within the magnetic field is 1.82 x \(10^{-7}\) C.

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Answer:

4 seconds is -45.2 m/s.

Explanation:

Answer:

1. Who gathered the data that showed planets traveling in elliptical paths around the sun?

2. Who discovered elliptical orbits?

3. Who explained them?

Explanation:

1. Tycho Brahe was the one that gathered data.

2. Johannes Kepler discovered it using Tycho Brace’s Data.

3. I believe it was Johannes Kepler because he created 3 laws of it.

I apologize if it is incorrect-

I hope it helps! Have a great day!

Anygays-

Answer:

option f) all of the above

We will see that all of the given options would increase the momentum, so the correct option is f "all of the above"

Momentum is defined as the amount of motion, and it is given by:

P = m*v

Where m is the mass of the object and v is the velocity.

We can't change the mass of the golf ball, but we can change the velocity, and to do it, we need to increase the acceleration that we apply to the ball.

To increase the acceleration we can:

Then all the options are correct, which means that the correct option is f.

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Answer:

The answer is "A"

Hope it helps u! :D if it helps, make me the brainliest pls :) (if you want!)

The total distance you would have covered is equivalent to going around the earth 22 times.

The total distance traveled at a given speed and time of motion is calculated as follows;

Distance = speed x time

\(Distance = \frac{25 \ miles}{day} \times \frac{365 \ days}{1 \ year} \times 60 \ years\\\\Distance = 547, 500 \ miles\)

The distance round the earth or circumference of the earth of the earth has been given as 25,000 miles

\(n = \frac{547,500}{25,000} \\\\ n = 21.9 \ times \ \approx 22 \ times\)

Thus, the total distance you would have covered is equivalent to going around the earth 22 times.

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Here we are required to determine how the Newtons second law of motion can be algebraically rearranged to solve for acceleration (a).

The correct answer is Choice B: a = F/m

Newton's second law of motion states that the force applied is directly proportional to the rate of change in momentum of the body.

i.e

where (v - u)/t = acceleration, (a)

Therefore, F = ma.

By rearranging; i.e solving for acceleration, (a);

we divide both sides by mass, m

we have;

a = F/m

The algebraic rearrangement to solve for acceleration, (a) is therefore;

a = F/m

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The schools in Uganda and Minneapolis are similar because both are places where students learn and neither has a large enough room.

Due to poor economic conditions and management, the schools of Uganda and Minneapolis have small rooms in which students sit to learn. Both are the places where students comes to learn and make better their economic condition so we can conclude that option C and F are correct.

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Answer:

true

Explanation:

The final speeds of the spheres are 3.47 m/s and 3.08 m/s.

We can use conservation of momentum to solve this problem since there are no external forces acting on the system.

The initial momentum of the system is:

p_initial = m₁ * v₁ + m₂ * v₂

where m₁ and m₂ are the masses of the spheres, and v₁ and v₂ are their initial velocities (4.00 m/s and 0 m/s, respectively).

After the collision, the momentum of the system is:

p_final = m₁ * v1' + m₂ * v₂'

where v₁' and v₂' are the final velocities of the spheres. We also know that the angle between the first sphere's final path and its initial path is 60 degrees, which means that the angle between the two spheres after the collision is 150 degrees (90 + 60).

Using conservation of momentum, we can set the initial and final momenta equal to each other:

m₁ * v₁ + m₂ * v₂ = m₁ * v₁' + m₂ * v₂'

We can also break down the final velocities into their x and y components using trigonometry. Let's define the angle between the first sphere's final path and the x-axis as theta. Now we can use conservation of momentum to solve for the final velocities:

m₁ * v₁ + m₂ * v₂ = m₁ * v₁' * cos(theta) + m₂ * v₂' * cos(150 degrees)

0 = m₁ * v₁' * sin(theta) + m₂ * v₂' * sin(150 degrees)

Solving the first equation for v₂', we get:

v₂' = (m₁ * v₁ + m₂ * v₂ - m₁ * v₁' * cos(theta)) / (m₂ * cos(150 degrees))

Substituting this expression into the second equation and solving for v₁', we get:

v₁' = (m₂ * sin(150 degrees) * v₁ + m₂ * sin(150 degrees) * v₂ + m₁ * sin(theta) * v₁' - m₁ * sin(theta) * m₂ * v₁ * cos(theta) / cos(150 degrees)) / (m₁ * sin(theta))

Plugging in the given values and solving, we get:

v₁' = 3.47 m/s

v₂' = 3.08 m/s

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Rounded to the nearest whole number, the refracted angle is 16 degrees.

Using Snell's Law, we can calculate the refracted angle. Snell's Law states that n1 * sin(θ1) = n2 * sin(θ2), where n1 and n2 are the indices of refraction, and θ1 and θ2 are the incident and refracted angles, respectively.

Given:
n1 = 2.1
θ1 = 61 degrees
n2 = 7.5

We need to find θ2.

2.1 * sin(61) = 7.5 * sin(θ2)

To find θ2, we can rearrange the equation:

sin(θ2) = (2.1 * sin(61)) / 7.5

Now, find the inverse sine (arc sin) to get θ2:

θ2 = arc sin[(2.1 * sin(61)) / 7.5]

θ2 ≈ 15.58 degrees

Rounded to the nearest whole number, the refracted angle is 16 degrees.

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The reactants in this chemical reaction are lead nitrate and potassium iodide, while the products are lead iodide and potassium nitrate.

In the chemical reaction, lead nitrate (Pb(NO₃)₂) and potassium iodide (KI) are combined, resulting in the formation of lead iodide (PbI₂) and potassium nitrate (KNO₃). This is a double displacement reaction, where the positive ions (cations) of the reactants exchange places with the negative ions (anions) to form new products.

The balanced equation for this reaction is:
Pb(NO₃)₂(aq) + 2KI(aq) → PbI₂(s) + 2KNO₃(aq)

Here, the reactants are lead nitrate and potassium iodide (in aqueous solutions), while the products are lead iodide (in solid form) and potassium nitrate (in aqueous solution).

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The reference point at which vehicle appear to intersect the curb is 2.22km.

To ensure that every parallel park is successfully completed, it is crucial to employ a structured technique and to practice it until a level of proficiency is attained. However, contrary to popular belief, it need not be completed in a single seamless maneuver.

During the maneuver, it is acceptable to advance and make adjustments as long as you do so safely and keep an eye on your surroundings at all times.

Utilizing reference points, a structured technique is applied. Whatever method is used to parallel park, using reference points will help new drivers complete this maneuver.

You should slightly pass the car you plan to park behind. The front of this car is aligned with the center of your passenger-side front window in reference point.

\(Reference=\frac{\pi }{\sqrt{2} }\)

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Answer:

The first and third one

Explanation:

The roughness of the surfaces is very important when determining friction as well as the force pressed on a surfaces as it helps increase friction.

HOPE IT HELPED

Answer:

Yeah  I think you're right

Explanation:

Because every obj is in motion till acted upon by a force(the branch)

Answer:

20g/ml

Explanation:

the mass must be in gram and 90-60 =30

so 600g/30ml =20g/ml

Answer:

PE = 23.8 J

Explanation:

It's known through the International System that the gravity of the earth is 9.8 m/s², so we have as...

Data:

Use formula:

Replace and solve:

The potencial energy is 23.8 Joules.

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