In Example 17.4, if the grating had 500 lines/mm but everything else about the experiment were the same, would the two yellow fringes be farther apart or closer together on the screen? The fringes would no longer be visible The distance between the fringes would not change. The fringes would be farther apart. The fringes would be closer together.

20 joule is your answer

Answer:

here

mass m =100kg

distance d=50m

acceleration due to gravity a =10m/s²

work =force×displacement

= ma/d=100×10/50=20joule

Explanation:

Variety in to an exercise program allows the body to adapt to many demands, from high intensity exercise to slow, steady state exercise. Variety is important in a fitness program because it allows for your body to be challenged on a consistent basis and to overcome a plateau.

Answer:

the number of turns in primary coil and secondary coil of transformer never made equal because if we do so there would not be any use of using transformers. same current will be gain.

Actually transformers are use to increase or decrease voltage.

Explanation:

The number of turns in primary coil and secondary coil of transformer never made equal because if we made equal there will run equal voltage of current and there will not be the any use of secondary coil of transformer in the comparison to primary coil .As different transformers are used to increase or decrease the voltage of current.

hope it is helpful to you

Answer:

=2 000 000 Litres

Explanation:

Density=mass/volume

1000kg/m^3=0.50×Volume

Volume=2000m^3

apparently I searched it up and

1m^3=1000 litres.

Detached listening can hinder effective communication and understanding between individuals. It is important for Jim to be actively involved and attentive during his meeting with his academic advisor to ensure he receives the necessary guidance and support for his academic decisions.

Jim is displaying the style of listening known as "detached." This style of listening is characterized by a lack of attention, interest, or engagement in the conversation. Jim's distraction with social media on his phone shows that he is not actively participating or focusing on what his academic advisor is saying. Additionally, his belief that the conversation is pointless because he plans to change his major indicates a disinterest in the discussion and a lack of motivation to actively listen and engage with his advisor.

Detached listening can hinder effective communication and understanding between individuals. It is important for Jim to be actively involved and attentive during his meeting with his academic advisor to ensure he receives the necessary guidance and support for his academic decisions. By actively participating and listening, he can make more informed choices about his major and benefit from the advice and expertise of his advisor.

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Jim is displaying detached listening as he is being physically present in conversation with his academic advisor but his focus is elsewhere, particularly, his phone.

The style of listening that Jim is displaying is detached. This is because he is not paying attention to his advisor and is instead distracted by his phone. Detached listening is when one is physically present in a conversation but not mentally or emotionally engaged. Examples include browsing on the phone or thinking about other things while someone is talking.

In contrast, active or involved listening would involve fully concentrating, understanding, responding, and then remembering what is being said. Considering that Jim is mainly focused on his phone, he is not displaying any signs of this type of engagement with his advisor, hence, detached is the appropriate choice to describe his listening style.

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Answer:

the twenty-fourth, and last, letter of the Greek alphabet (Ω, ω), transliterated as ‘o’ or ‘ō.’.

Explanation:

San Andreas Fault--Normal Fault is associated correctly.

This is option 1.

San Andreas Fault is a right-lateral strike-slip fault that runs approximately 800 miles (1,300 km) through California in the western United States. It forms the boundary between the Pacific Plate and the North American Plate, extending from the San Francisco Bay Area to the Salton Sea near the Mexico–United States border. It is one of the most significant geological features on the planet, and it is also one of the most active, with frequent earthquakes of varying sizes being reported in the region.

A normal fault is a type of fault that occurs when the rocks in the Earth's crust are pulled apart by tension. A normal fault occurs when the block of rock above the fault line falls downwards relative to the block of rock below the fault line, which is raised upwards.

So, the correct answer is option 1

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Since the electric field between the plates is constant, If the two plates are brought closer together, the potential difference between the two plates decreases

The relation between potential difference and the electric field is given by

ΔV = E.d

Since the electric field is maintained constant, the potential difference is directly inversely proportional to the distance between the plates.

The potential difference between the plates will therefore likewise decrease if the distance between the plates is reduced, we will state in this case.

The energy required to move a unit charge, or one coulomb, from one point to the other in a circuit is measured as the potential difference between the two points. Potential difference is measured in volts or joules per coulomb.

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Unlocked position. The cam is used to lock the conductor in place, so the locking ring needs to be in the unlocked position in order for the conductor to be passed through the grip head.

A conductor is a person or object that allows the flow of electric current or heat. In electrical systems, a conductor provides a path for the electric current to flow from the power source to the device being powered. In heating systems, a conductor carries the heat from the source to the device or area that needs to be heated. Conductors are typically made of metal, such as copper, aluminum, and silver, as these materials have a higher electrical conductivity than most other materials.

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Answer:

Explanation:

if u just look at it yk u can see it

Answer:

40

Explanation: 1 hour and 15 min is 1.25 hour.

50km   -->    1.25 h

x km     -->    1 h

50 km * 1h = x km*1.25h

x = 40 average speed of car is 40

dynamics is the branch of physics devoleped in classical mechanics concerted with the study of forces and the effect on their motion

Answer:

Dynamics is defined as the branch of mechanics that deals with the effect of outside forces on something

If a runner accelerates at a rate of 10.5m/s2 and requires a force of 34n to get moving, then the mass of the runner is approximately 3.24 kg.

To find the mass of a runner, we can use Newton's second law of motion, which states that force (F) equals mass (m) multiplied by acceleration (a). The equation is:

F = m × a

Given the force (F) of 34 N and acceleration (a) of 10.5 m/s², we can rearrange the equation to solve for mass (m):

m = F / a

Now, plug in the given values:

m = 34 N / 10.5 m/s²

m ≈ 3.24 kg

So, the mass of the runner is approximately 3.24 kg.

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By conversion unit, 1 kilogram is equal to 10⁶ milligrams or 1000000 milligrams.

We need to know about a conversion unit to solve this problem. Kilogram is the SI unit for length but there are other units which able to determine the length such as gram and milligram. The conversion unit of milligram to kilogram is

1 mg = 10¯⁶ kg

1 mg = 0.000001 kg

From the question above, we know that the question is converting 1 kg to 1 mg, Hence

1 mg = 10¯⁶ kg

multiply by 10⁶

1 kg = 10⁶ mg

or we can write

1kg = 1000000 mg

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14m/s fasts must you drive so that the force of the wall on the box equals the weight of the box.

Centripetal Force = Weight of the Block

=m\(v^{2}\)/r = mg

Therefore,

=v = √(rg)  

=v = 14 m/sec

A centripetal force (from Latin centrum, "middle" and petere, "to are searching for") is a force that makes a frame observe a curved course. Its course is usually orthogonal to the movement of the frame and in the direction of the fixed point of the instantaneous middle of curvature of the path. It is "a pressure by means of which bodies are dragged or driven, or in any other manner typically tend, in the direction In Newtonian mechanics, gravity presents the centripetal force causing astronomical orbits.  

One commonplace instance concerning centripetal pressure is the case in which a frame actions with uniform speed alongside a round route. The centripetal force is directed at right angles to the motion and alongside the radius toward the Centre of the round route. The mathematical description was derived in 1659 via the Dutch physicist Christiaan Huygens.

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Answer:

Wavelength = 1.5 m

Explanation:

The formula for waves in terms of wavelength, speed and frequency is:

Speed (v) = Frequency (f) × Wavelength (λ)

33 = 22 × λ

33 = 22λ

λ = \(\frac{33}{22} \)

So, λ = 1.5 m

There is very little resistance and a large amount of current flows in a short circuit. The correct option is a.

A circuit's electrical resistance is the ratio of the operating voltage to the current flowing through all of it.

When electrons pass throughout a conductor, such as a metal wire, an electric current flows.

Electrons in motion can collide with ions in the metal. This makes the current flow more difficult and causes resistance.

A short circuit has very little resistance as well as a large amount of current flows.

Thus, the correct option is a.

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Your question seems incomplete, the missing options are:

a. short

b. open

c. long

d. closed

False,

In the method of joints, the moment equilibrium equation can be used at a joint to solve for unknown member forces. However, the method primarily relies on the force equilibrium equations at each joint to determine the unknown member forces.

In the method of joints, the moment equilibrium equation can be used at a joint to solve for unknown member forces, but it is not always necessary to use it. The moment equilibrium equation states that the sum of the moments about a point must be equal to zero, which can be used to determine the unknown forces acting on members that are subject to bending moments.

However, it is important to note that the method of joints primarily makes use of the force equilibrium equations at each joint to determine the unknown member forces. The moment equilibrium equation is only used when necessary to solve for an unknown force.

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The position of the ball attached to the unforced spring with a damping force of 6 times velocity is given by the function \(x(t) = e^{-3}t (sin3t)\). The system is overdamped, and the maximum displacement from equilibrium is 0.1573 meters.

a) Solve for the position of the ball.

The equation of motion of the ball attached to the unforced spring with damping force of 6 times velocity can be written as, \(m(d^{2}x/dt^{2}) + 6(dx/dt) + kx = 0\)

The given values are,

As we are supposed to find the position of the ball, we will solve the differential equation by assuming the position x as the solution and by integrating the given equation two times.

\(m\left(\frac{{d^2x}}{{dt^2}}\right) + 6\left(\frac{{dx}}{{dt}}\right) + kx = 0\)

This is the standard form of a second order homogeneous linear differential equation. The characteristic equation of this differential equation is, \(m^{2} r^{2} + 6mr + k = 0\)

Solving the above quadratic equation, we get, \(r = -3 \pm \sqrt{9 - \frac{4k}{m^2}} / 2m\)

Here, \(k/m = 9/1 = 9\). So, \(r = -3 \pm \sqrt{9 - 36} / 2 = -3 \pm 3i\)

From the above values of r, we can say that the general solution of the differential equation is, \(x(t) = e^{-3t}(C_1\cos(3t) + C_2\sin(3t))\)

Let's find the values of constants C1 and C2 using the initial values of the ball position and velocity.

At

So,

Substituting these values in the general solution of \(x(t),x(t) = e^{-3}t (sin3t)\)

Therefore, the position of the ball as a function of time is given by, \(x(t) = e^{-3}t (sin3t)\).

b) The damping force in the given equation is, b = 6 times the velocity.Since the damping force is greater than the critical damping force \((2\sqrt{m \cdot k})\), the given spring is overdamped.

c) Show that the maximum displacement of the ball from equilibrium is a az meters. To find the maximum displacement of the ball from equilibrium, we can differentiate the position function with respect to time and equate it to zero.

d). \((x(t)) / dt = e^{-3}t (3cos3t - sin3t)\)

When the above derivative of the position function is zero, the position of the ball is at the maximum or minimum from the equilibrium.

Substituting the values of t in the above equation, we get,cos3t = sin3t

Therefore, \(\tan(3t) = 1 \quad t = \frac{\pi}{12}, \frac{5\pi}{12}, \frac{9\pi}{12}, \frac{13\pi}{12}, \frac{17\pi}{12}, \ldots \quad \text{For } t = \frac{\pi}{12}\), the position of the ball is at maximum from equilibrium.

Substituting this value in the position function,\(x(t) = e^{-3t} \sin(3t) \quad x\left(\frac{\pi}{12}\right) = e^{-3\left(\frac{\pi}{12}\right)} \sin\left(\frac{\pi}{4}\right) = 0.1573 \, \text{m}\)

Therefore, the maximum displacement of the ball from equilibrium is \(0.1573\) meters.

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Answer:

The acceleration of the sled is "0.49 m/s²". A further explanation is given below.

Explanation:

The given values are,

Speed,

V = 4.0 m/s

Coefficient of kinetic friction,

μ = 0.05

As we know,

⇒  \(F \mu=\mu mg\)

and,

⇒  \(a = \mu g\)

On substituting the given values, we get

⇒     \(=0.0 5\times 9.8\)

⇒     \(=0.49 \ m/s^2\)

The mass at the other end of bar will be 50g .

what is mass

It is the fundamental property of matter , every single property which exist in this world has mass

Mass never can be 0 .

So , the system is in equilibrium

let mass of the body be m

55×5= m×5.5

m= 5 5 × 5 /. 5.5

m= 5 0g



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137.5 kg mass can be placed 2m away from the other end of the bar to keep the bar horizontally.

To keep the bar horizontal, the right and left side torques must be equal:

\(F_{1} d_{1} =F_{2} d_{2}\)

\(F_{2} =F_{1} \frac{d_{1} }{d_{2} }\)

    \(=(55.9.8)\frac{5}{2}\)

    =1347.5 N.

Convert this force of gravity into mass:

\(F_{2} =m_{2} g,\)

\(m_{2} =\frac{F_{2} }{g}\)

     \(=\frac{1347.5}{9.8}\)

     =137.5 kg.

The answer is 137.5 kg.

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A convex mirror is preferred over concave or plane mirrors for viewing activities in a store aisle because it provides a wider field of view.

A convex mirror would be more suitable for viewing activities in a store aisle because it provides a wider field of view compared to a concave mirror. This is because convex mirrors have a curved surface that causes light rays to diverge and spread out, making objects appear smaller but also increasing the area that can be seen. This is useful for seeing more of the aisle at once, especially in areas with limited space or where objects are placed at different heights. Additionally, convex mirrors have a virtual image that appears upright and reduced in size, making it easier to distinguish objects and their relative positions. A concave mirror, on the other hand, would have a narrower field of view and produce a magnified or inverted image, which can be confusing or misleading for viewing activities. A plane mirror would also have a limited field of view and simply reflect the same view as the observer's line of sight, without any distortion or enhancement. Therefore, a convex mirror would be the best choice for viewing activities in a store aisle.

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Answer:

DU = 21 KJ

Explanation:

Given the following data;

Quantity of heat = 125 KJ

Work = 104 KJ

To find the change in internal energy;

Mathematically, the change in internal energy of a system is given by the formula;

DU = Q - W

Where;

DU is the change in internal energy.

Q is the quantity of energy.

W is the work done.

Substituting into the formula, we have;

DU = 125 - 104

DU = 21 KJ

A fighter jet being launched from such an aircraft carrier using a steam-powered catapult and its own engines. Its engines produce 2.3 x 105 N of thrust.

What speed is reached when a jet fighter aircraft is fired from a slingshot on an aircraft carrier?

42 m/s On an aircraft carrier, a catapult is used to launch a jet fighter. Just at end of the sling, it takes 2 seconds to achieve velocity of 42 m/s. What is the catapult's length if the acceleration is constant?

How strong is the aircraft carrier's catapult?

Catapults A 48,000-pound aeroplane was launched 300 feet and increased in speed from 0 to 165 miles an hour in two seconds by four steam-powered catapults. On every

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Answer:

12 joules

Explanation:

I'm assuming you're looking for kinetic energy?? Kinetic energy is 1/2 mv^2. 4 squared is 16, 16 times 1.5 = 24. 24/2 = 12.

Answer:

(of the moon) have a progressively smaller part of its visible surface illuminated, so that it appears to decrease in size.

Explanation: