the average kinetic energy of gas molecules is proportional to: select the correct answer below: the temperature of the gas the inverse of the temperature of the gas the pressure of the gas the inverse of the pressure of the gas feedback

Answer:

Known variously as the Newcomb–Benford law, the law of anomalous numbers, or the first-digit law, Benford's Law is the observation that the first digit in many real-world collections of numerical data will be tiny, as shown by the example of the first-digit law.

Explanation:

Hope it helps:)

ultra-violet is NOT considered an example of low Electromagnetic energy. Hence option C is correct.

Electromagnetic waves, which are synchronised oscillations of the electric and magnetic fields, are the traditional form of electromagnetic radiation. The electromagnetic spectrum is created at various wavelengths depending on the oscillation frequency. Electromagnetic waves move at the speed of light, typically abbreviated as c, in a vacuum. The oscillations of the two fields create a transverse wave in homogeneous, isotropic media when they are perpendicular to each other, perpendicular to the direction of energy and wave propagation, and perpendicular to each other. Either an electromagnetic wave's oscillation frequency or its wavelength can be used to describe its location within the electromagnetic spectrum. Because they come from different sources and have different effects on matter, electromagnetic waves of different frequencies are known by various names. These are listed in decreasing wavelength and increasing frequency order: sound waves, lower energy have lower frequency.

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Sir Isaac Newton's three laws of motion are manifested in nearly every activity of everyday life including traffic accidents. From flying birds to racing cars these laws of motion are everywhere. In fact, nearly 99% of all activity in our physical world is usually governed by these laws.

Newton's laws of motion are very important when engineers design airplanes sports equipment cars train toys and more. This article describes Newton's three laws of motion in car accidents. Newton's first law of motion states that when an object is in motion, it will move at the same speed and in the same direction, or if it is at rest, it will continue to move until acted upon by an external force. In other words, objects have a natural tendency to continue doing what they were doing until they respond.

In the absence of an external force, a moving object maintains its original state of motion or remains stationary.  This law is usually called the law of inertia. Newton's second law of motion states that an object subjected to a force experiences an acceleration such that the force is equal to the mass times the acceleration. Mathematically this is expressed as . In other words, the force exerted during a collision is proportional to the mass of the colliding vehicle. This means that the more force a car collides with the more force it applies which means more destruction. The opposite is also true If the mass of the colliding vehicle is less, less force will be applied and there will generally be less destruction.

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The net force on particle q2 can be calculated by finding the net electric force acting on it. The net electric force acting on a particle is the vector sum of the forces exerted by all the other charges on it.

The electric force between two charges q1 and q2 is given by Coulomb's law: F = k * (q1 * q2)/r^2, where k is Coulomb's constant, q1 and q2 are the charges, and r is the distance between them.

The force on particle q2 due to q1 will be:

F1 = k * (q1 * q2) / (0.980m)^2

The force on particle q2 due to q3 will be:

F2 = k * (q2 * q3) / (0.750m)^2

The net force acting on q2 will be the vector sum of F1 and F2.

Keep in mind, q1 and q3 have opposite charges, so they attract each other, while q2 has the same charge as q1, so they repel each other.

Note: The unit of charge is Coulomb (C), but in this problem you are given the charges in microCoulomb (uC) so you need to convert it to Coulomb.

The instantaneous velocity of the object is 137.2 m/s along the downward direction.

Instantaneous velocity: The velocity of an object at a particular instant of time is called the instantaneous velocity.

Note: The y-axis is taken along the upward direction so acceleration due to gravity will be negative.

Any object that is falling freely is acted upon by gravity. The first equation of motion gives the relationship between initial velocity, the velocity at time t, time, and acceleration. The equation is,

v=u+at

where v is the velocity at time t, u is the initial velocity, t is the time, and g is the acceleration due to gravity. Since the object starts from rest, its initial velocity is zero.

For the given case, u=0, a=-9.8 m/s^2 and t=14 s. Put the values in the equation to get the instantaneous velocity of the object at t=14 s.

v=0+(-9.8)(14)

v=-137.2 m/s

The negative sign indicates the object is falling downward.

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Answer:

Magma, lava, and ash that reach the surface slowly cool and harden causing them to being extrusive igneous rock.

Answer:

because of where we are and our distance away from them, in reality they're giant balls of burning gas, like the sun. some stars are even bigger than the sun

Explanation:

Answer:

a) 361.7 Hz

b) 318.1 Hz

c) 29.3 m/s

Explanation:

a) Speed of sound in 20 degrees celcius is 343 m/s.

Use v=wavelength*frequency to find wavelength.

343=wavelength*340

wavelegth=1.009 meters

Relative speed of waves to observer A = 343+22 = 365 m/s

Plug it back in.

365=1.009*F

F=361.7 Hz

b) Relative speed of waves to observer B = 343-22 = 321 m/s

Plug it back in.

321=1.009*F

F=318.1 Hz

c) STATIONARY CAR, so 369Hz=v/1.009. v=372.3, 372.3-343=29.3m/s!

\( \boxed{ \mathrm{Kinetic \: Energy = \frac{1}{2} m {v}^{2} }}\)

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The image below provides the solution. To read the text, enlarge the jpeg.

Answer:

A horizontal line on a phase change graph means there has been

no change. Often longer periods of research are needed to see

significant change.

Answer:

The mass of the apple is 0.49kg

Explanation:

Potential energy=mgh

P=mgh

6=m×1.22×10

6=12.2m

divide both sides by 12.2

m=6/12.2

m=0.49kg

Answer:

During nuclear fission, a neutron collides with a uranium atom and splits it, releasing a large amount of energy in the form of heat and radiation. More neutrons are also released when a uranium atom splits. These neutrons continue to collide with other uranium atoms, and the process repeats itself over and over again.

Explanation:

In nuclear fission the nucleus of an atom breaks up into two lighter nuclei. The process may take place spontaneously in some cases or may be induced by the excitation of the nucleus with a variety of particles (e.g., neutrons, protons, deuterons, or alpha particles) or with electromagnetic radiation in the form of gamma rays. In the fission process, a large quantity of energy is released, radioactive products are formed, and several neutrons are emitted. These neutrons can induce fission in a nearby nucleus of fissionable material and release more neutrons that can repeat the sequence, causing a chain reaction in which a large number of nuclei undergo fission and an enormous amount of energy is released. If controlled in a nuclear reactor, such a chain reaction can provide power for society’s benefit. If uncontrolled, as in the case of the so-called atomic bomb, it can lead to an explosion of awesome destructive force.

Answer:

In nuclear fission, atoms are split apart, which releases energy. All nuclear power plants use nuclear fission, and most nuclear power plants use uranium atoms. During nuclear fission, a neutron collides with a uranium atom and splits it, releasing a large amount of energy in the form of heat and radiation.

Answer:

Negitive

Explanation:

Electrons have a negitive charge, protons have a positive charge, and neutrons have no charge.

Beacuse it is an alloy that is made up of nickel and iron that has low coefficient of thermal expansion.So, the length of the pendulum remains unaffected during changes in temperature.

The equation that can be correctly used to determine the time it takes for the box to reach the bottom of the plane depends on the specific circumstances and the forces acting on the box.

The equation for determining the time it takes for the box to reach the bottom of the plane can vary depending on the given information and the physical factors involved. In general, the equation would involve factors such as distance, velocity, acceleration, and the forces acting on the box. Different situations may require different equations, such as the equations of motion or Newton's laws of motion, to accurately calculate the time.

To determine the appropriate equation, it is necessary to consider the specific scenario, including factors such as the initial velocity of the box, any applied forces, the presence of friction or air resistance, and other relevant considerations. By carefully analyzing the forces and dynamics involved in the motion of the box, the appropriate equation can be selected and applied to calculate the time it takes for the box to reach the bottom of the plane accurately.

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Answer:

Sunlight (The sun should be behind us)

Water droplets (Raindrops)

Rainbows are an optical phenomenon caused by light refracting through airborne water droplets. The angle between you, the water droplet, and the sun determines the apparent color of the water droplets. Rainbows appear to float in the sky and move as you walk. The sky is serving as a screen for an optical illusion.

The most important thing to understand about rainbows is that they are not an item or region "out there," and hence rainbows do not have a location (which is why you can never reach the end when walking toward them). They are also not arc-shaped, but rather round.

When the air is misty, each water droplet functions like a little prism, refracting light from a single point source (the sun) and dispersing colored light (unmixed single-frequency light) in all directions. The rainbow optical illusion is caused by millions of water droplets taking on a certain hue from a specific point of view. Water droplets that give color to your eyes are those that are at a specific geometric angle in space related to the sun and your specific position. They are usually far away, with the sun behind you.

A rainbow would create a complete circle if not for the earth, which cuts the circle into a half-arc. Rainbows seem to be a full circle when viewed through airplane windows.

Light from the sun behind you enters a distant water droplet, refracts at the spherical surface of the drop, reflects off the rear of the drop, and then heads your way. The refraction process divides the light so that just a small color band penetrates your eye, imparting a luminous color to the drop.

The second rainbow of a double rainbow reflects twice within the drop before reaching you, which is why it is weaker (light is lost on each reflection) and reversed in hue (the second reflection makes the color order a mirror image).

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The distance to the rocky cliff is approximately 310.8 meters.

The time taken for the sound to travel to the cliff and back is the time between when Jeremy shouted and when the echo was heard, which is 1.80 seconds.

The distance to the cliff can be calculated using the speed of sound and the time taken for the sound to travel to the cliff and back.

Let d be the distance to the cliff. Then:

d = (speed of sound x time taken) / 2

where we divide by 2 because the sound has to travel to the cliff and back.

Plugging in the values given, we get:

d = (344 m/s x 1.80 s) / 2

d = 310.8 m

Therefore, the distance to the rocky cliff is approximately 310.8 meters.

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The maximum number of 6 AWG THW copper conductors permitted in a 1 1/4-inch RMC conduit nipple, 20 inches long, would be 7 conductors.

To determine the maximum number of 6 AWG THW copper conductors permitted in a 1 1/4-inch RMC (rigid metal conduit) conduit nipple, you need to consider the fill capacity of the conduit as per the National Electrical Code (NEC) guidelines. The fill capacity depends on the size of the conduit and the size of the conductors being used.

According to NEC Table C.9, the maximum fill capacity for a 1 1/4-inch RMC conduit is 0.40 square inches. This measurement represents the total cross-sectional area of the conductors that can be inside the conduit.

For 6 AWG THW copper conductors, you can refer to NEC Table 8, which provides the area per conductor. In this case, a 6 AWG conductor has an area of 0.0507 square inches.

To determine the maximum number of 6 AWG THW copper conductors, you divide the fill capacity of the conduit by the area per conductor. In this case:

Maximum fill capacity of 1 1/4-inch RMC conduit = 0.40 square inches

Area per conductor for 6 AWG THW copper = 0.0507 square inches

Maximum number of conductors = Fill capacity / Area per conductor

Maximum number of conductors = 0.40 / 0.0507

Maximum number of conductors = 7.89

Therefore, the maximum number of 6 AWG THW copper conductors permitted in a 1 1/4-inch RMC conduit nipple, 20 inches long, would be 7 conductors. However, it's important to note that local codes and regulations may impose additional requirements or limitations, so it's always best to consult the relevant electrical codes or a licensed electrician for precise calculations in a specific installation.

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Answer:

49kmph

Explanation:

speed=distance/time = 245/5

The direction and magnitude of the minimum magnetic field needed to lift this wire vertically upward is clock wise direction and 0.245T.

The magnetic field is the area that is affected by magnetism and is located around a magnet. The magnetic field is a valuable tool for explaining the distribution of the magnetic force within and around a magnetic object in nature.

The mass per unit length of the wire = 0.460 g/cm = 0.046 kg/m

Current in the wire, A = 2.12 A (due south)

To find,

The minimal magnetic field's magnitude as well as its direction.

F = ILB = mg

B = mg/IL

B = 0.046 × 9.8 /2

B = 0.225T

B = 0.245T.

The right hand rule specifies the magnetic field's direction, which is clockwise around the wire.

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Answer:

Hello, I'm here to help you.

↬ 78%

Explanation:

↬ Think that about 70% of the area of the earth is covered by the ocean.

↬ So the precipitation that falls on it is a smiliar percentage.

Answer and work is shown in the image attached.

please mark me brainliest :)

The solution in the first answer is excellent.

Here's another way to do it:

Force = (mass) x (acceleration)

Force = (4 kg) x (2 m/s²)

Force = 8 Newtons

Distance = (1/2) (a) (T²)

D = (1/2) (2 m/s² ) (7 sec)²

D = 49 meters

Work = (force) x (distance)

Work = (8 N) x (49 m)

Work = 392 Joules   yay!

second equation of motion

s = ut + 1/2at^2

s is the distance travelled time t

u is the initial velocity

t is the time

a is the acceleration of the body in motion

u is 0

s = 1/2 * -9.8 * (1.55)^2

s = -11.77 m

The correct answer is C) 3, 2, 1.  The center of mass of a square plate lies at the intersection of its diagonals. When a corner is cut from a square plate, its center of mass is shifted towards the direction of the cut. The magnitude of the shift is proportional to the distance between the center of mass and the cut corner.

In the given scenario, the plate with one corner cut will have its center of mass shifted the least, as the distance between its center of mass and the cut corner is the smallest. The plate with two corners cut will have its center of mass shifted more than the first plate, but less than the plate with three corners cut. The plate with three corners cut will have its center of mass shifted the most, as the distance between its center of mass and the cut corners is the largest.
Therefore, the plates should be ranked in the order of the number of corners cut, with the plate with the most corners cut having the largest x coordinate of its center of mass. Hence, the correct answer is C) 3, 2, 1.

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Answer:

Its  answer is 2.21 kg.

Explanation:

F =m × a

71 = m × 32

71 ÷ 32 = m

2.21 kg = m

An object accelerates at 32 m/s² when a force of 71 N is applied to it. The object’s mass is calculated as 2.21 kg.

To find the mass, the given values are,

Acceleration = 32 m/s²

Force = 71 N.

Here, the object's mass can be calculated using the formula,

Mass = force/acceleration

        = 71/32

        = 2.21 kg

Hence, the object's mass is 2.21 kg.

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Answer:

Your position would be -1

Explanation:

I think that's the answer you would need to collaborate more so i can give you a clear answer.

Answer:

b . force that are unequal in size but in same direction.

Hope this will help . :)

Unbalanced force are those forces whose resultant force is not equal to zero. Therefore option A,B,D correct.

Force is responsible for the motion of the object. Balanced forces are those forces which are opposite in direction and equal in magnitude. When Net force acting on a body is zero then we call it as balanced force. balanced force is not responsible for the motion of the body. ex. when two persons pulling rope on both end with equal magnitude which cause them to be balanced force have 0 net force.

Unbalanced forces are those when resultant of all the forces is not equal to zero is called as unbalanced force. unbalanced force is responsible for the motion of the body.

for this question consider two forces.

Option A)

When Forces that are equal in size but the same in direction. its resultant force is not equal to zero in fact its resultant force is in the same direction as applied forces. Therefore these are unbalanced forces.

Option B)

When Forces that are unequal in size but same in direction its resultant force is not equal to zero in fact its resultant force is in the same direction as applied forces. Therefore these are unbalanced forces.

Option C)

when Forces that are equal in size but opposite in direction. its resultant force is equal to zero. Net force of these forces are zero. Therefore these are balanced forces.

Option D)

Forces that are unequal in size but opposite in direction its resultant force is not equal to zero in fact its resultant force is in the same direction as force which has higher magnitude. Therefore these are unbalanced forces.

Hence option A,B,D is correct.

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