A bare helium nucleus has two positive charges and a mass of 6.64 ✕ 10−27 kg.

Answer: Is the bird balanced or unbalanced on the swing?

What kind of motion is acted on the swing by the bird?

According to Doerbecker and Ernst (1996) and Francart et al. (2011), interaural time difference (ITD) and interaural level difference (ILD) are the two primary auditory cues used by binaural hearing. The delay between each ear is known as ITD.

What technique best localizes sound between the two ears?

Rayleigh's view of horizontal sound localization has come to be known as the “duplex” theory: that sound localization at low frequencies relies on differences in phase at the two ears, or ITDs, and that high-frequency localization relies on interaural differences in sound level (ILDs).

What two variables affect sound localization?

The variation in the loudness of the sound in each ear and the time it took for the sound to reach each ear are two elements that affect how the sound is localized.

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An item put in front of a diverging lens will always seem virtual and upright. Knowing the characteristics of the image created by a converging and diverging lens is necessary to choose the best option out of all the possible choices.

A lens is a transparent material, such as a piece of glass, that is used to concentrate light from an object to create a picture of it.

A transparent piece of material with two opposite regular surfaces that are either both curved or one is curved and the other is plane, and that are used individually or together in an optical instrument to focus light to create an image.

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Heat travels from one end of an iron rod to the other end by conduction. The correct option is C.

The incorrect statement about heat transfer is convection can take place in a vacuum. The correct option is C.

When matter changes state, its temperature remains the same. The correct option is D.

Heat transfer is the process by which heat energy is transferred from one point t another.

Heat energy is always transferred from hotter to colder bodies.

The processes of heat transfer include:

Transfer of heat results in an increase in temperature as well as a change of state.

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Answer:

1.43m

Explanation:

Given data

m1= 50kg

m2=70kg

We are told that Sally m1= 50 sat at one end which is 2m from the center

Hence, the summation of clockwise moment = summation of anticlockwise moment

See the attached image for your reference

50*2= 70*x

100= 70x

x= 100/70

x=1.43m

Hence the mass m2 will be at the 1.43m mark for the net torque to be zero

Answer:

It is most likely that the score on the second test should be close to 130 as IQ is a steady measurement. Intelligence quotient (IQ) is a measure of a person's cognitive ability and is typically considered to be a stable trait that does not change significantly over time. While some research has suggested that certain aspects of cognitive ability may improve with age, the overall IQ score is generally considered to be a consistent measure of cognitive ability. Therefore, it is unlikely that Juanita's score on the second test would be significantly different from her score on the first test.

Sorry if I answered it late :D

Correct question:

A piston has a volume change of 7 x 10^-6 m^3. Assuming atmospheric pressure is 101,325 Pa, what is the work needed to change the piston volume?

Answer:

The work needed to change the piston volume is 0.709 J

Explanation:

Given;

volume of the piston, V = 7 x 10⁻⁶ m³

atmospheric pressure, P = 101,325 Pa

The work needed to change the piston volume is calculated as follows;

W = PV

W = (7 x 10⁻⁶ m³) x (101,325 Pa)

W = 0.709 J

Therefore, the work needed to change the piston volume is 0.709 J

Approximants is the name given to consonants that have a much larger air path, leading in a smooth airflow as opposed to a turbulent airflow.

The vocal tract is only minimally constrained enough to cause air to become turbulent—to produce the four English 3.43 sounds (/l/, /r/, /w/, and /y/). For English language learners working on pronunciation and accent reduction, these sounds can be particularly challenging.

In English, there are just four approximates, and each of them is voiced. Additionally, they are all produced the with soft palate lifted, making them all oral noises. The English version 3 are explained below.

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In 0.10 s, total flux through such a wiring loop increases uniformly from 4x10-'Wb through 5x10-5 Wb. The coil experiences an induced emf of 1*10⁻⁴ v.

A distribution of something like the electromagnetic field or the velocity at which the electric field moves throughout a specific area can both be measured as electric flux. The Greek letter e is used to represent electric flow. Electric flux is measured in SI units as or Nm 2 C – 1.

E is the amplitude of the electrostatic potential (with units of V/m), and if the magnetic charge is constant, the electric flux (E) travelling through a material of vector area S equals: E = ES = EScos.

change in magnetic flux d∅ = (5*10⁻⁵ - 4*10⁻⁵) wb

d∅ = 1*10⁻⁵wb

time = 0.10 sec.

induce emf, e = -d∅/ dt

[e] = d∅/ dt

[e] = 1*10⁻⁵ / 0.10 v

[e] = 1*10⁻⁴ v.

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Answer:

The answer is B

Explanation:

If a wavelength of a wave increases, but the wave speed remained the same, the frequency will decrease (option B).

Wavelength is the length of a single cycle of a wave, as measured by the distance between one peak or trough of a wave and the next.

The wavelength is often designated in physics as λ, and corresponds to the velocity of the wave divided by its frequency as follows:

λ = v/f

According to the above equation, the wavelength is inversely proportional to the frequency of the wave, hence, as one increases, the other decreases and vice versa.

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Answer:

Secondary SchoolPhysics 5+3 ptsA body starts from rest and moves with a uniform acceleration.

Answer:

Current in resistors = 1.5 amp

Current in resistors = 0.18 amp

P = 93.75 watts

Explanation:

Given:

1. Three 5 ohm resistor(series)

Voltage = 10 volt

2. Three 5 ohm resistor(parallel)

Voltage = 9 volt

3. Three 5 ohm resistor(series)

Voltage = 6 volt

Find:

Current in resistors

Current in resistors

Total power of circuit

Computation:

1. Total resistor (Series) R = R1 + R2 + R3

Total resistor (Series) R = 5 + 5 + 5

Total resistor (Series) R = 15 ohm

I = V/R

Current in resistors = (15)/(10)

Current in resistors = 1.5 amp

2. Total resistor (Series) R = 1/[1/R1 + 1/R2 + 1/R3

Total resistor (Series) R = 1[1/5 + 1/5 + 1/5]

Total resistor (Series) R = 1.67 ohm

I = V/R

Current in resistors = (1.67)/(9)

Current in resistors = 0.18 amp

3. Total resistor (Series) R = R1 + R2 + R3

Total resistor (Series) R = 5 + 5 + 5

Total resistor (Series) R = 15 ohm

I = V/R

I = (15)/(6)

I = 2.5 amp

P = I²(R)

P = (2.5)²(15)

P = 93.75 watts

Answer:

Explanation:

The net force on the man is the sum of all the forces acting on him. In this case, the only force acting on the man is the force of gravity, which is given by:

F = m*g

= 75 kg * 9.8 m/s^2

= 735 N

where m is the mass of the man, g is the acceleration due to gravity, and F is the force of gravity.

Since the man is motionless, the net force on him must be zero. Therefore, the tension in the cord must be equal and opposite to the force of gravity:

T = -F

= -735 N

The tension in the cord is therefore T = -735 N. The negative sign indicates that the tension is directed downward, opposite to the direction of the force of gravity.

Net Force on Man = 735 N (downward)

Tension in Cord = 735 N (upward)

Explanation: The net force on the man is equal to his weight (75 kg x 9.81 m/s2 = 735.75 N).

This force is directed downward. To keep the man in equilibrium, the tension in the cord must be equal in magnitude, but opposite in direction, so the tension is also 735.75 N, but directed upward.

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n unit vector notation, -22j is the torque about the origin on a particle located at coordinate (o, -4.0m, 3.0m)


Torque is defined as the force that can cause an object to rotate along an axis is measured as torque. Estimate the angle between the vector connecting the force's application point and the pivot point and the direction of the applied force. You may calculate the torque by multiplying r by F and sin.

T=R (distance) x F (Force)

R=-4j+3k

F=2J

Hence, t=  R x F vector product

=(-4j+3k)x2j

=-4x2x(y x J)

=+3x2y(k x r)

=-8x(-k)+6j

=(6j+8k) nm

b) F^2=2J+4K

Hence, t=r x f^2

=(-4j+3k)x(2j+4k)

=0-16( J x k)+6(K x J)+0

=-16j-6j

=-22j  

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The correct statement is the water absorbed energy continuously, but the temperature increased only when all of the water was in one phase.

this is explained by the latent heat of fusion. The melting point of ice ( at which ice melts into water) is 0 degree Celcius. This temperature remains constant till all 10 g of ice melts completely and water comes in the same phase of liquid.

The latent heat of fusion, also known as enthalpy of fusion, is defined as the total amount of heat energy supplied to a solid substance to start a change in its physical state from a solid to a liquid state. Given the pressure of the environment is constant.

The correct option is (b).

The given question is incomplete, the complete question is

The image below shows how the temperature of 10 g of ice changes as energy is added. which statement is correct?

(a) The water absorbed energy continuously and temperature increases while water is changing phase.

(b) The water absorbed energy , but the temperature increased only when all of the water was in one phase.

(c) Temperature of the water remained constant.

(d) Temperature always increases.

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As the rope becomes shorter, the length of the rope is  decreased and the centripetal force decreases according causing the ball to move in smaller circles.

The centripetal force is defined as the force that keeps an object moving in a circular path. Also, the centripetal force is equal to the tension in the rope and the tension in the rope depends on the length of the rope.

As the rope shortens, the tension in the rope decreases and the centripetal force on the ball decreases hence the ball moves in smaller and smaller circles, the ball goes around with a shorter and shorter period.

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Answer:

0 111.0N be cause the rest do not add up

Answer:

e must have the charge of the particle

Explanation:

In this experiment, the particles that the cathode rays are found where from an electric field and another magnetic field, for the particle to pass without deviating the magnetic force must have the same modulus of the entricar force, and be in the opposite direction.

the expression for the magnetic force is

          F_m = q v xB

the expression for the electric force is

          F_e = q E

when warning the check two formulas we must have the charge of the particle

Answer:

yes I think it is possible

The things which can be replaced after the low-speed collisions are airbags, dents on the car, the broken mirror or any part, etc.

A car accident that happens while moving less than 10 miles per hour is referred to as a low-impact or low-speed collision. There are several situations that could result in a low-impact collision. Accidents in crosswalks or other pedestrian zones are only a few instances.

Here, are some things you should replace after the collision,

1. Vehicle assistance technologies

Even though your car may appear to be in good condition, it may not be performing at its best. Modern cars are equipped with a ton of high-tech features, such as several electronic sensors, cameras, and radar that constantly monitor your car.

2. Diagnostic error codes

The structural integrity of the car's frame, as well as the functionality of its steering and suspension components, are all thoroughly inspected. Scanners should be available to reputable shops so they may look for diagnostic trouble codes (DTCs) that may have been set off by an accident.

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Answer:

1. grass Can survive by itself because it is not dependent on food, it is self-sustaining. and since grass it's not dependent on food it is a producer.

2. and 3. they would all decrease, since the prairie dogs are herbivores they eat basically plants such as grass and if half of the grass is gone then they would have less to eat and therefore decrease.

since ferrets eat prairie dogs, if the prairie dogs population decreases the ferrets would have less to eat and therefore decrease as well.

one of the predators of ferrets are foxes and if the ferrets decrease then the fox would also decrease since it will have less to eat.

4. if we would continue advancing years soon the ferret, prairie dogs and foxes would be no more because if there is less grass they would keep on decreasing over the years until they would be extinct.

The force that q₂ exerts on q₁ at this new location is 1.44 µN  in  - X axis direction.

The definition of force in physics is: The push or pull on a massed object changes its velocity.

An external force is an agent that has the power to alter the resting or moving condition of a body. It has a direction and a magnitude. A spring balance can be used to calculate the Force. Newton is the SI unit of force.

As electric force due to point charge is inversely proportional to the square of distance.

Given that with q₁ at the origin and q₂ initially at x₁ = 13.2 mm,  q₁ exerts a repulsive force of 2.62 µN on q₂.

Hence,  with q₁ at the origin and q₂ initially at x₁ = 17.8 mm,  q₁ exerts a repulsive force of on q₂ = 2.62 µN (13.2/17.8)²

=  1.44 µN .

So, q₂ exerts a force of  1.44 µN on q₁ at this new location in - X axis direction.

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Answer:

What is the force applied between q1 and q2?

✔ 10.8 N

In which direction does particle q2 want to go?

✔ away from particle q1, in a straight line to the right

Explanation:

Answer:

C

Explanation:

magnet poles with the same polarization reject each other.

Answer:

the answer c because they will push away from each other

Answer:

One thing that is demonstrated by plotting the results of IQ tests on a bell curve is that most scores fall in the middle of the curve, with fewer scores outside the curve. This reflects the fact that IQ scores are typically distributed in a normal or bell-shaped curve, with most scores falling around the average, and fewer scores falling at the very high or very low ends of the distribution. The bell curve is a useful tool for visualizing the distribution of IQ scores, and it can help researchers and psychologists understand the typical range of scores and identify any unusual patterns or outliers. It is not accurate to say that most scores are above average or below average, or that there is a large difference between the scores of women and men. These statements do not accurately reflect the findings of IQ tests or the use of the bell curve to analyze their results.

Answer:

i hate physics lol but its 20,000N

Explanation:

The velocity of the eight ball immediately after the collision is 1.41 m/s.

The final velocity of the eight ball after the collision is calculated by applying the principle of conservation of linear momentum;

m₁u₁  +  m₂u₂  = m₁v₁   +  m₂v₂

where;

(0.17)(1.35) + (0.156)(0) = (0.17)(0.06) + (0.156v₂)

0.2295 = 0.0102 + 0.156v₂

0.156v₂ = 0.2193

v₂ = 1.41 m/s

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The magnitude of the force of the roller-coaster track on the bottom of each clip can be ranked from largest to smallest as follows: R = 50 m, speed = 10 m/s R = 100 m, speed = 10 m/s R = 50 m, speed = 5 m/s.

The magnitude of the force of the roller-coaster track on the bottom of a clip is determined by the radius of curvature of the track and the speed of the clip.

For a given radius of curvature and speed, the magnitude of the force will be larger when the radius of curvature is smaller and the speed is larger, and smaller when the radius of curvature is larger and the speed is smaller.

Based on this information, the magnitude of the force of the roller-coaster track on the bottom of each clip can be ranked as follows:

R = 50 m, speed = 10 m/s

R = 100 m, speed = 10 m/s

R = 50 m, speed = 5 m/s

The magnitude of the force of the roller-coaster track on the bottom of the clip with a radius of curvature of 50 m and a speed of 10 m/s will be the largest. The magnitude of the force of the roller-coaster track on the bottom of the clip with a radius of curvature of 100 m and a speed of 10 m/s will be smaller. The magnitude of the force of the roller-coaster track on the bottom of the clip with a radius of curvature of 50 m and a speed of 5 m/s will be the smallest.

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