The element carbon-14 can change to nitrogen 14 by losing two
neutrons. ________
O the most common isotope
O an isotope of nitrogen
O a stable isotope
O a radioactive isotope

Answer:

proteins carbohydrates and fats

Explanation:

Answer:

Carbohydrates, Proteins, and Fats.

Therefore, the ranking of the wires from most to least electron current is: Wire A > Wire B > Wire D > Wire C.

To rank the wires in order of decreasing electron current, we need to consider the factors that affect the current in a wire. The electron current in a wire is determined by the drift speed of the electrons and the cross-sectional area of the wire.
The drift speed of electrons refers to the average velocity at which electrons move through the wire. A higher drift speed means that the electrons are moving faster and therefore the current will be greater.
The cross-sectional area of the wire refers to the size of the wire's cross-section. A larger cross-sectional area allows for more electrons to flow through the wire, resulting in a greater current.
To rank the wires, we need to compare the drift speeds and cross-sectional areas of each wire.
1. Wire A: If wire A has a larger drift speed and a larger cross-sectional area compared to the other wires, it will have the highest electron current.
2. Wire B: If wire B has a smaller drift speed but a larger cross-sectional area compared to the other wires, it will have a lower electron current than wire A but higher than the remaining wires.
3. Wire C: If wire C has a smaller drift speed and a smaller cross-sectional area compared to wire B, its electron current will be lower than both wire A and wire B.
4. Wire D: If wire D has a larger drift speed but a smaller cross-sectional area compared to wire B, its electron current will be lower than wire B but higher than wire C.
Please note that the specific values of the radius and drift speed are not given, so we cannot determine the exact order without more information.

To know more about wire visit:

https://brainly.com/question/16452786

#SPJ11

Answer:

If you hear thunder and then see lightning at almost the same time, this means that the lightning was likely close by. Thunder is the sound created by lightning, which is the discharge of energy between two clouds or between a cloud and the ground. Because sound travels much slower than light, it takes longer for the thunder to be heard, which is why we usually hear thunder after seeing a flash of lightning. This indicates that the lightning was very close in proximity and that you should be aware of the potential danger of an impending thunderstorm.

There are several possible hypotheses for changing the pitch of sound:

Changing the frequency of the sound wave: The pitch of a sound wave is directly proportional to its frequency. Therefore, changing the frequency of the sound wave will change its pitch.

Changing the length of the vibrating object: The length of the vibrating object has an effect on the pitch of the sound wave it produces. If the length is shortened, the pitch of the sound will increase. Conversely, if the length is lengthened, the pitch of the sound will decrease.

Changing the tension in the vibrating object: The tension in the vibrating object affects the pitch of the sound wave it produces. Increasing the tension will raise the pitch of the sound, while decreasing the tension will lower the pitch.

Changing the density of the medium: The density of the medium through which the sound wave travels can also affect the pitch of the sound. If the medium is denser, the pitch of the sound will be higher, and if the medium is less dense, the pitch of the sound will be lower.

Modifying the sound wave through electronic means: The pitch of sound can be changed electronically by using devices such as equalizers, filters, and pitch shifters. These devices modify the frequency of the sound wave, which changes its pitch.

Find more about hypotheses

brainly.com/question/18064632

#SPJ4

Answer:

d

Explanation:

Fnet=m*a

algebra to rework = a = Fnet/m

so the force of the hand is divided by the mass of the object

If a ball is tossed horizontal at a speed of 7.9 m/s, it will travel 4.8 meters (horizontally).

Teenagers, young adults, and others take various stimulant medications collectively referred to as "speed" to feel more focused and alert, as well as occasionally to get high. Additionally, some people take various forms or speed to suppress their appetite.

Relativistic speed is the rate at which relativity effects matter for the desired level of measurement precision of the phenomenon being examined. Relativistic effects are the differences between values calculated using models that take relativity into account and those that do not.

To know more about relativistic speed visit:

https://brainly.com/question/28224010

#SPJ13

Given:

Speed of light = 3 x 10⁸ m/s

Let's solve for the following:

• (a). How many miles does a pulse of light travel in a time interval of 0.1 s, which is about the blink of an eye?

Apply the formula:

Where:

v is the speed of light

t is the time.

Thus, we have:

Now let's convert the answer from meters to miles.

Where:

1 mile = 1609.34 meters

Δx = 18641.14 mi

• (b). Compare this distance to the diameter of Earth.

Apply the formula:

Where:

r = 6.38 x 10⁶ m.

Thus, we have:

ANSWER:

• (a). 18641.14 mi

• (b). 2.35

The skater does indeed reach the same height on either side of the track With friction turned on.

For more information on friction kindly visit to

https://brainly.com/question/13000653

#SPJ1

Answer: Distance:400m Distance:0m

Explanation: Distance: 1(lap)x400 which will obviously be 400m

Displacement: from where you started to where’s you ended so if you ran a full lap around a track and came back to where you started you wouldn’t have ran any Miles’s in displacement.

It might help you more to draw a diagram, but I hope I helped!

Answer:

no

Explanation:

the equation can't be balanced because it doesn't have the same elements on each side of the equal sign.

The given equation is not a balanced chemical equation because it does not contain the same elements on both sides of the equation.

A chemical equation can be explained as the representation of a chemical reaction in terms of symbols of the substances. A balanced equation containing the same number of atoms of each element on either side of the equation.

The law of mass conservation is followed by every balanced chemical equation. By obeying this law, the total mass on the reactant side should be equal to the total mass on the product side in a balanced equation.

On both sides of the chemical equation, the same elements as well as an equal number of elements are present as the chemical reaction does not alter the identity of the elements. Therefore, the given equation is not a balanced chemical equation.

Learn more about the balanced chemical equation, here:

brainly.com/question/28294176

#SPJ2

Answer:

An inelastic collision is a collision in which there is a loss of kinetic energy. While momentum of the system is conserved in an inelastic collision, kinetic energy is not.

An ultrasound is a scan of a pregnant womens stomach, to see the baby. Typically they do this to see if the baby is healthy and okay.

The distance after 4.5 seconds is

The distance a falling object travels can be calculated using the equation:

distance = initial velocity x time + (1/2) x acceleration x time^2

Since the object was dropped, its initial velocity is zero, and the acceleration due to gravity is approximately 9.8 m/s^2.

Plugging in the values:

distance = 0 x 4.5 + (1/2) x 9.8 x 4.5^2

distance = 0 + (1/2) x 9.8 x 20.25

distance = 101.275 m

Learn more about distance at:

https://brainly.com/question/26046491

#SPJ1

Answer:

Explanation:

Fe₂O₃ + 3C ---> 2Fe + 3CO

1 mole                          3 moles

From the balanced equation above , we see that , 1 mole of Fe₂O₃ reacts with carbon to form 3 moles of CO .

So , 4 moles of  Fe₂O₃ will react with carbon to form 3 x 4  moles of CO .

moles of CO formed = 3 x 4 moles = 12 moles.

The total kinetic energy before the collision, the spring potential energy, and the kinetic energy after the collision would be equal.

When comparing the kinetic energy before the collision, the spring potential energy, and the kinetic energy after the collision, a long explanation is necessary to make a proper comparison. Let's explore the different energies involved and the expected outcomes:Kinetic energy before the collision Before the collision, the system has a total kinetic energy of 1/2 mv², where m is the mass of the object and v is its velocity.

This energy is purely kinetic energy because the object is moving. So the total energy before the collision is only kinetic energy.Spring potential energyThe spring potential energy is the energy stored in a spring when it is stretched or compressed. It is equal to 1/2 kx², where k is the spring constant and x is the displacement from the equilibrium position. When the spring is compressed or stretched, it stores energy in the form of potential energy, which can be used to do work.

To know more about kinetic energy visit:-

https://brainly.com/question/999862

#SPJ11

Answer:C) he does less work coming back because the force moving the wagon is only 50cos30

Explanation: got it right on edge

The amount of work Trevor performs going to the corner compared with the amount of work he performs coming back is that   he does less work coming back because the force moving the wagon is only 50cos30°

Since the formula, we refer to for calculating the work, when the angle is applied is:

Wₓ = W cos θ, where for the case the  θ is  30  and W is 50

Since the force done is  parallel to the motion's direction, and the work  has a larger magnitude, the work done in order of pulling the wagon back to the starting point is less than the work done in pulling the  wagon to the corner, as  the reason is for the  angle of 30 degrees in pulling it back

To know more about the work done refer to the  link  https://brainly.com/question/13662169?referrer=searchResults.

#SPJ4

Answer:

Since there is negative acceleration, a= -2m/s^2 . As brakes are applied, it's final velocity (v) becomes 0m/s and it's initial velocity (u) will be 20m/s .

So to find the time for which my Nano will stop we make use of one of the kinematical equation.

v=u+at  

0=20+(−2)t  

−20=−2t  

t=10seconds.  

So my Nano will take 10 seconds to stop.

Now to calculate the distance for which my Nano will stop is given by;

v2=u2+2ax  

(0)2=(20)2+2(−2)x  

0=400−4x  

−400=−4x  

x=100metres.  

So after applying brakes my Nano will stop after a distance of 100m.

Explanation:

A siphon is used to drain water from a tank by utilizing the atmospheric pressure and gravity to create a continuous flow without the need for mechanical pumping.

In a siphon setup, a tube is submerged in the water and filled, then one end is placed lower than the water level in the tank. This difference in height creates a pressure difference, which causes the water to flow through the tube and out of the tank. The steady flow is maintained by atmospheric pressure and gravity, and in this scenario, it is assumed there is no friction loss in the tube.

Summary: A siphon allows water to be drained from a tank through a tube using atmospheric pressure and gravity, and in this case, it is assumed that there is no friction loss affecting the flow.

Learn more about mechanical pumping click here:

https://brainly.com/question/505733

#SPJ11

Answer:

Reena

Explanation:

200 / 5 = 40 metres in a minute

200 / 4 = 50 metres in a minute,

Therefore Reena is faster

If the motorcyclist applies the front brake too hard, the front wheel may lock and the motorcycle may flip over, causing a dangerous situation.

When a motorcyclist applies the front brake too hard, the front wheel may lock up due to a loss of traction, causing the motorcycle to flip over and resulting in a hazardous scenario. This is known as a front wheel lockup, and it can occur if the motorcyclist is going too fast or if there is insufficient weight on the front wheel

When the front wheel of a motorcycle stops spinning abruptly and the motorcycle flips forward, it is known as a front wheel lockup. This occurs because the motorcyclist applies the front brake too hard, causing the front wheel to lose traction and lock up. When a motorcyclist applies the front brake too hard, the motorcycle's weight shifts forward and places more weight on the front wheel, causing it to lose traction and lock up.

Learn more about motorcyclist  at:

https://brainly.com/question/14330084

#SPJ11

The process by which an individual pursues important objectives by setting goals and monitoring progress is called self-regulation.

Self-regulation involves the ability to manage one's thoughts, emotions, and behaviors in order to achieve desired outcomes. It requires setting specific, measurable, attainable, relevant, and time-bound (SMART) goals and then actively monitoring and adjusting one's actions to stay on track.

Self-regulation encompasses various cognitive and behavioral processes, such as self-awareness, self-monitoring, self-control, and self-reflection. It involves being disciplined, persevering through challenges, and making adjustments when necessary.

By engaging in self-regulation, individuals can enhance their motivation, focus, and performance, leading to greater success in reaching their objectives. Self-regulation is a valuable skill that can be developed and honed through practice and self-awareness.

To know more about the self-regulation refer here :

https://brainly.com/question/29579934#

#SPJ11

The bearing stress in this scenario is 2 kN/mm². To calculate the bearing stress, we need to use the formula:
Bearing Stress = Load / Contact Area

Substituting the given values:
Bearing Stress = 10 kn / 5 square mm
Bearing Stress = 2 N/mm^2

It is important to note that bearing stress is a measure of the force per unit area exerted on the contact surface between two components. In this case, the load is distributed over an area of 5 square mm, resulting in a bearing stress of 2 N/mm^2. It is important to ensure that the bearing stress is within the allowable limits to prevent failure or damage to the components.

To know more about stress  visit:-

https://brainly.com/question/31366817

#SPJ11

the x-component of the velocity of the second ball is 1.25 m/s.

Given,

Initial velocity of the first ball, u₁ = 1.83 m/s

Final velocity of the first ball, v₁ = 1.15 m/s

Initial velocity of the second ball, u₂ = 0 m/s (as it is at rest)

Let v₂ be the final velocity of the second ball at an angle θ with the horizontal.

Using the principle of conservation of momentum, we get,

m₁u₁ + m₂u₂ = m₁v₁ + m₂v₂

Here, m₁ = m₂ = m (both the balls are identical)

Therefore,

mu₁ = (m + m)v₂

=> u₁ = 2v₂

=> v₂ = u₁/2

= 1.83/2 = 0.915 m/s

Now, using the principle of conservation of energy, we get,1/2 mu₁² = 1/2 mv₁² + 1/2 mv₂²

=> u₁² = v₁² + v₂² => v₂² = u₁² - v₁²v₂² =

(1.83)² - (1.15)²v₂ = √(1.83² - 1.15²)

= 1.35 m/s

Now, to find the x-component of the velocity of the second ball, we use the formula,

x-component of velocity of the second ball = v₂ cos θ= 1.35 cos 23.3°= 1.25 m/s (approx)

Therefore, the x-component of the velocity of the second ball is 1.25 m/s.

learn more about velocity here

https://brainly.com/question/25749514

#SPJ11

Answer:

The momentum of the soccer ball will be twice that of the baseball.

Explanation:

If an object of mass \(m\) travels with a velocity of \(v\), the momentum \(p\) of that object will be \(p = m\, v\). Thus, if velocity is fixed, momentum will be portional to the mass of the object.

The mass of the soccer ball is twice that of the baseball: \((300 / 150) = 2\). Thus, when moving at the same velocity, momentum of the soccer ball will be twice that of the baseball.

The friction between the two solid surfaces depends on the weight of the objects on the surface and the roughness of the object surfaces.

When the two bodies are in contact such that a force acts to restrict the motion of each body, then the force is known as frictional force. And the phenomenon is called friction.

The expression for the frictional force is given as,

\(F = \mu \times N\)

Here,

\(\mu\) is the frictional coefficient and N is the normal reaction. (N = mg)

Clearly, the frictional force is dependent on the frictional coefficient of the surfaces and in turn, depends on the roughness of object surfaces. Also, friction depends on a normal reaction whose value is equivalent to the weight of objects on the surface.

Thus, we can conclude that the friction between the two solid surfaces depends on the weight of the objects on the surface and the roughness of the object surfaces.

Learn more about the friction here:

https://brainly.com/question/1714663

Answer:

A,d

Explanation:

the weight of the objects and the roughness of the objects’ surfaces i took the test

The maximum height the ball can reach without air resistance, given it is kicked at an angle of 37 ° with a velocity of 20 m/s is 7.4 m

We'll begin by listing the given parameters from the question. This is shown below:

The maximum height reached by the ball can be obtained as follow:

H = u²Sine²θ / 2g

H = [(20)² × (Sine 37)²] / (2 × 9.8)

H = (400 × 0.3622) / 19.6

H = 7.4 m

Thus, the maximum height reached is 7.4 m

Learn more about projectile motion:

https://brainly.com/question/19128146

#SPJ1

Answer:

energy

Explanation:

2,042.1 years time from now will we see it disappear.

d = 6.44. 3.10¹⁸ m,

v = 3.10⁸ m/s,

t = 6.44.3. 10¹⁸ / 3. 10⁸ s = 6.44 . 10¹⁰ sec.

Converting seconds to years:

6.44. 10¹⁰ sec . (1min/60 sec).(1h/60 min). (1d/24h)(1y/365d) = 2,042.1 years.

Physicists define time as the progression of events from the past through the present, and into the future. If a system doesn't change, it is effectively timeless. When describing events that take place in three-dimensional space, time may be seen as the fourth dimension of reality. We are unable to see, touch, or taste time, yet we can compute how much time has passed.

Everywhere in classical mechanics, time is constant. The timekeeping systems are still in sync. But as Einstein's special and general theories of relativity show, time is relative. It depends on the observer's perspective of view. The theory of time dilation states that when one approaches the speed of light, the intervals between events grow longer (dilates).

To know more about  time visit : https://brainly.com/question/13112278

#SPJ4