Unlike the idealized ammeter described in section 25. 4, any real ammeter has a nonzero resistance. An ammeter with resistance ra is connected in series with a resistor r and a battery of emf e and internal resistance r. The current measured by the ammeter is ia.

True. Augmented feedback in motor learning can include information about both kinetic (forces and torques) and kinematic (motion and movement) behavior. It provides additional information to learners to enhance their understanding and improve skill acquisition.

True. Augmented feedback in motor learning can consist of information about both kinetic and kinematic behaviour. Kinetic behaviour refers to the forces and torques involved in the movement, such as muscle activation patterns or joint forces. This type of feedback can help learners understand the magnitude and direction of forces acting during the movement. Kinematic behavior, on the other hand, focuses on motion and movement patterns, including factors like joint angles, velocity, and trajectory. Feedback regarding kinematic behaviour provides learners with information about the execution and coordination of movements. By incorporating both kinetic and kinematic information, augmented feedback can offer comprehensive guidance to enhance motor learning and performance.

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Explanation:

Voltage across each bulb = 8V / 4 = 2V (Potential difference)

Answer:

2 (8 ÷ 4) volts.

According to the passage, in a series circuit, “the voltage is shared across all the bulbs.” If the bulbs are of equal resistance, the voltage across each will be ¼ of the battery’s 8 volts or 2 volts.

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Explanation:

The ability to see the world in three dimensions is called depth perception. It is the visual ability to perceive the relative distance of objects in space and to see them in three dimensions.

Depth perception is an important aspect of vision that allows us to accurately judge distances, perceive spatial relationships, and interact with our environment.

It is the result of the brain processing information from both eyes to create a single, three-dimensional image.

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Answer:

x=48.12 m

Vf=23.544 m/s

Explanation:

a=g

t=2.4

Vf=?

Vø=0

Vf=Vø+at

Vf=0+(9.81)(2.4)=23.544

x=Xø+Vøt+1/2at^2

x=1/2at^2

x=(1/2)(9.81)^2=48.11805

Answer:

It's a cause that's the last layer

Answer:

I believe the answer is A

Explanation:

It is not the ring of fire because the ring of fire is the result of tectonic plates moving. It is not the biosphere because biosphere is the regions of the surface.  The convecting mantle is the solid layer of the Earth because the mantle is mostly solid. The atmosphere is a solid plastic layer of the Earth. I hope this helps.

The number of stairs Sara must climb to cancel out the calories consumed is 11667 stairs

To obtain the number of stairs Sara much climb, we'll begin by obtained the total height. This can be obtained as follow:

E = mgh

946671.84 = 69 × 9.8 × h

946671.84 = 676.2 × h

Divide both sides by 676.2

h = 946671.84 / 676.2

h = 1399.99 m

Finally, we shall determine the number of stairs. Details below:

Number of stairs = Total height / height of one stair

Number of stairs = 139999 / 12

Number of stairs = 11667 stairs

Thus, the number of stairs is 11667 stairs

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Answer:

5.3333 sec

Explanation:

initial speed: u = 108km/hr or 30 m/s

final speed: v = 0m/s

distance travelled: s = 80m

time the car took to stop: = t sec

\(v^{2} - u^{2}\) = 2as,

a = (\(v^{2} - u^{2}\))/2s

a = (0-900)/160

a = -5.625 \(ms^{-2}\)

v = u + at,

t = (v - u)/a

t= (0 - 30)/(-5.625)

t = 5.3333 sec

Answer:

A. The one with the greatest mass and fastest speed

Explanation:

Newton's Second Law of Motion

So, as per the equation the force required to be applied is directly proportional to the change in momentum.

Therefore, we can understand two things :-

The correct option is A.

99.16 Newtons is the new force of attraction between the particles.

The forces that hold atoms together to create molecules and solids are referred to as chemical bonds. The attraction between the electrons of one atom and the nuclei of another atom as a result of this electric force is what is known as a chemical bond.

\(F = (kq1q2)/r^2\)

\(9,916 = (kq1q2)/r^2\)

\(F = (k*(q1/5)*(q2/5))/(2r)^2\)

\(F = (1/100)((kq1*q2)/(r^2))\)

So, the new force of attraction is:

\(F = (1/100)*9,916 = 99.16\)Newtons (rounded to 4 decimal places)

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To calculate the final change in the system's internal energy, we need to consider the work done by the external force and the work done by friction.

The work done by the external force can be calculated using the formula:

W_ext = F_ext * d

Where W_ext is the work done by the external force, F_ext is the external force, and d is the distance traveled by the block.

Since the block comes to a complete stop, the work done by the external force is equal to the work done by friction, which can be calculated using the formula:

W_friction = F_friction * d = μ_k * m * g * d

Where W_friction is the work done by friction, F_friction is the frictional force, μ_k is the coefficient of kinetic friction, m is the mass of the block, g is the acceleration due to gravity, and d is the distance traveled by the block.

W_ext = ΔK. Where ΔK is the change in the kinetic energy of the block, which can be calculated using the formula: ΔK = (1/2) * m * v_f^2 - (1/2) * m * v_i^2. Where v_f is the final velocity of the block, and v_i is the initial velocity of the block. Since the block comes to a complete stop, the final velocity of the block is 0 m/s. Therefore, we can simplify the equation for ΔK:

ΔK = (1/2) * m * v_i^2. Substituting the values given in the problem statement, we get: ΔK = (1/2) * 1.6 kg * (2.4 m/s)^2 = 6.912 J

Now, we can equate the work done by the external force and the work done by friction:

W_ext = W_friction

ΔK = μ_k * m * g * d

Solving for d, we get:

d = ΔK / (μ_k * m * g) = 6.912 J / (0.03 * 1.6 kg * 9.81 m/s^2) ≈ 14.05 m

The work done by friction can be calculated as:W_friction = μ_k * m * g * d ≈ 6.912 J. Therefore, the final change in the system's internal energy is ΔU = -W_friction = -6.912 J. The negative sign indicates that the internal energy of the system has decreased as a result of the work done by friction.

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Answer:

a= kinetic energy vs. different masses at same speed, b= kinetic energy vs. same masses at different speeds

Explanation:

graphs are looking at speed so masses don't matter as much. same speed the whole time will equal same kinetic energy the whole time.

C. They are probably the same temperature. it is likely that both the red book and the blue book are at the same temperature.

The color of an object does not inherently determine its temperature. The perceived color of an object is based on the wavelengths of light it reflects or absorbs. While different colors may have different abilities to reflect or absorb light, this does not necessarily indicate differences in temperature. Without additional information about the books or their exposure to external heat sources, it is reasonable to assume that both books sitting on the table would be at the same ambient temperature. In the absence of any specific heating or cooling mechanisms acting on the books, they would equilibrate with the surrounding environment and reach the same temperature over time.

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Answer:

It should be D. 51 J

Firstly, we can write the equation for the electric force. It is:

By applying our values we get

Now, if we remind ourselves of Newton's law, we know that

We know the mass, and we know the Force, so we can find out the acceleration, this gives us:

Thus

Our final acceleration is 0.122 m/s^2

a 1.25 kg block is attached to a spring with spring constant 17.0 n/m . while the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 46.0 cm/s .The amplitude of the subsequent oscillations 48.13 cm/s

a 1.25 kilogram block is fastened to a spring with a 17.0 newtons per meter spring constant. Given that K is equal to 14 Newtons per meter and mass equals 10.5 kg. The block is then struck with a hammer by a student while it is at rest, giving it a speedo of 46.0 cm for a brief period of time. The required energy provided by the hammer, which is half mv squared, is transformed into potential energy as a result of the succeeding oscillations. This is because we know that energy is still available for consultation. So access the amplitude here from here. He will therefore be equal to and by. Consequently, the Newton's spring constant is 14 and the value is 10.5. The velocity multiplied by 0.49

Speed at X equals 0.35 into amplitude, or vice versa. At this point, the spirit will equal half of K X 1 squared plus half. Due to the fact that this is the overall energy, square is equivalent to half of a K square or an angry square. amplitude is 13 and half case 14 x one is 0.35. calculate that is equal to initial velocities of 49 squares and masses of 10.5. This will be divided in half and start at about 10.5 into the 49-square-minus-14. 13.42 into the entire square in 20.35. dividing by 10.5 and taking the square as a result. 231 6.9 Six centimeters per square second. 10.5 into 49 sq. 14. 2 into a 13.42 square entire. then subtract 10.5 from the result to get the square. So that is 48.13cm/s.

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This is incomplete question Complete Question is:

a 1.25 kg block is attached to a spring with spring constant 17.0 n/m . while the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 46.0 cm/s . what are The amplitude of the subsequent oscillations?

Answer: Use the x/t = v formula!!! x is distance, t is time, and v is velocity. you just need to do 40 / 5 = 8 and 100 / 15 = 6.66

The fur of a sea otter is the densest of any animal, having the most hairs per square inch of any other species. Even while floating in the water, their thick fur keeps the animal warm and dry.

Sea otters decrease heat loss when the water is too cold by floating on their backs with their feet out of the water. To increase their surface area when trying to dissipate heat, sea otters spread their feet out underwater. Sea otters typically spread out or tuck their feet up to maintain body heat. The amount of food available to sea otters would decrease if prey species in their environment declined as a result of changing temperatures.

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Answer:

I = 0.6A

Explanation:

Ohm's Law

V = I*R

I = V/R

I = 120V/200ohms

I = 0.6A

The net electrostatic force acting on the charged particle q₂ is 28.7 N.

Charge on the first particle, q₁ = 8 μC

Charge on the second particle, q₂ = 3.5 μC

Charge on the third particle, q₃ = - 2.5 μC

Distance between the charges q₁ and q₂, r₁ = 0.1 m

Distance between the charges, q₂ and q₃, r₂ = 0.15 m

Electrostatic force exerted on the charged particle q₂ and q₁,

F₁ = 1/4πε₀ (q₁q₂/r₁²)

F₁ = 9 x 10⁹ x (8 x 10⁻⁶ x 3.5 x 10⁻⁶)/(0.1)²

F₁ = 25.2 N

Electrostatic force exerted on the charged particle q₂ by q₃,

F₂ = 1/4πε₀ (q₂q₃/r₂²)

F₂ = 9 x 10⁹ x (3.5 x 10⁻⁶x -2.5 x 10⁻⁶)/(0.15)²

F₂ = -78.75 x 10⁻³/22.5 x 10⁻³

F₂ = -3.5 N

The net electrostatic force acting on the charged particle q₂ is,

F = F₁ - F₂

F = 25.2 - -3.5

F = 25.2 + 3.5

F = 28.7 N

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Answer:

B. speed

Explanation:

im not sure hahahaha

The time of flight is obtained as 25.9 seconds

The time of flight is the time taken to move the object that have been projected along the parabolic path. In this case, we have a cannonball that have been fired  from level ground with a velocity of 240.0 m/s at an angle of 32 degrees.

We know that from the question

T = 2usinθ/g

T = time of flight

u = initial velocity

θ = angle of projection

g = acceleration

T = 2 * 240.0 m/s * sin 32 degrees/9.8 m/s^2

T = 25.9 seconds

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Answer:

Explanation: a people's whole way of life

Answer:

The candle stick flame will burn brighter.

Explanation:

I majored in Physics.

Rounding to three significant digits in physical science involves identifying the digits that are significant and adjusting the remaining digits as necessary.

Identify the significant digits: Significant digits are the non-zero digits and any zeros between them. For example, in the number 0.00345, there are three significant digits: 3, 4, and 5.

Determine the digit to be rounded: Look at the fourth digit after the decimal or the third digit before the decimal. This will be the digit that determines whether rounding up or down is necessary.

If the digit to be rounded is less than 5, simply truncate (remove) all the digits after the third significant digit. For example, if the number is 1.2345678, rounding to three significant digits would yield 1.23.

If the digit to be rounded is 5 or greater, increase the value of the third significant digit by 1 and truncate all the remaining digits. For example, if the number is 2.7654, rounding to three significant digits would result in 2.77.

In cases where the digit to be rounded is 5 and followed by non-zero digits (e.g., 2.750), round up by increasing the value of the third significant digit. In this case, the number would be rounded to 2.75.

If the digit to be rounded is 5 and followed by only zeros (e.g., 3.2500), round to the nearest even number. In this case, the number would be rounded to 3.25.

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Answer:

nothing

Explanation:If you ride a bike around the block and return to the exact point where you started, your displacement is zero.

By definition, displacement involves changing an object from its original position. No matter how far or for how long a body moves, if it returns to the position it started from, it has not been displaced at all. This means that the body has zero displacements.

During a quiet inspiration, the approximate increase in the diameter of chest circumference is 1-2 cm. On the other hand, during a forced inspiration, the approximate increase in the diameter of chest circumference is around 6-10 cm.

The temporary physiological advantage created by the substantial increase in chest circumference during forced inspiration is that the amount of air inspired into the lungs can increase.

This increase in the amount of air inspired is also known as the vital capacity of the lungs and is very important in situations where more oxygen is required, such as during exercise. It allows for a greater amount of oxygen to be taken into the lungs and distributed to the body's tissues and organs.

In summary, during a quiet inspiration, the diameter of chest circumference increases by approximately 1-2 cm, while during a forced inspiration, the diameter of chest circumference increases by around 6-10 cm. The substantial increase in chest circumference during forced inspiration creates a temporary physiological advantage by allowing for a greater amount of air to be inspired into the lungs, which in turn increases the amount of oxygen taken into the body.

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The order of frequency from lowest to highest will be Gamma rays X-rays , ultraviolet radiation , visible light ,  infrared radiation and radio waves

Order of  frequency from lowest to highest from lowest to highest of EM spectrum will be :

Gamma rays

X-rays

ultraviolet radiation

visible light

infrared radiation

and radio waves

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ANSWER:

C. reflected ray

STEP-BY-STEP EXPLANATION:

The line that divides the angle between the incident ray and the reflected ray into two equal angles is known as the normal line.

Therefore, the angle between the reflected ray and the normal is known as the angle of reflection.

Therefore, the correct answer is C. reflected ray

The outside lights will flash to show that Easy-Fill Tire Alert is keeping track of the change in air pressure as the tire fills with air. The car's horn will sound when the tire's pressure is just right. If

The 2022 Nissan Sentra lineup, which is stacked with high-end features, places the SV version in the middle. The SR model, which rounds off the lineup, provides more cutting-edge innovations and opulent features. The Midnight Edition and Premium packages both include this premium trim.

The top trim level is the Nissan Sentra NISMO. With this trim level, you get a fantastic balance of performance and luxury.

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Answer:

a force is a movement on a object such as kinetic energy