On earth you have a mass of 140kg in space you will have a mass of how many kg

Answer is option C.100 times greater than electric force.

in the nucleus ,protons are close to each other ,because of the strength of strong nuclear force.

Answer:

83.3 Wb

Explanation:

The magnetic flux linkage through the coil is given by:

[tex]N\phi = BAN sin \theta[/tex]

where

B is the magnetic field strength

A is the cross sectional area

N is the number of turns in the coil

[tex]\theta[/tex] is the angle between the direction of the field and the normal to the coil

In this problem:

B = 1.74 T

A = 0.133 m^2

N = 360

[tex]\theta=90^{\circ}[/tex]

Therefore, the magnetic flux linkage is

[tex]N\phi = (1.74 T)(0.133 m^2)(360) sin 90^{\circ}=83.3 Wb[/tex]

This is an example of amplitude modulation which is a method to transmit analog signals via radio-spectrum waves. A carrier sine wave (in the image, the one with the higher frequency) is modulated (in amplitude) by another signal (the target of transmission). The carrier due to its appropriate frequency enables successful transmission of a signal that would otherwise be difficult to transmit (due to its too low frequencies) and also enables transmission of multiple channels at different carrier frequencies.

Classic example: AM radio.

I wanna say it’s D. Slower post exercise recovery time.

Slower post exercise recovery time is not a benefit of improved cardio-respiratory fitness. Thus, the correct option is D.

Cardiorespiratory fitness is the ability of the circulatory and respiratory systems to supply sufficient amount of oxygen to skeletal muscles during sustained physical activity. Scientists and researchers use cardiorespiratory fitness to assess the functional capacity of the respiratory and the cardiovascular systems.

The benefits of cardiorespiratory exercise include lower blood pressure, improve blood flow, improve workout efficiency, lower cholesterol levels, decrease risk of heart disease, stroke and diabetes, and other heart-healthy habits.

Therefore, the correct option is D.

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869 Newtons.

What's the gain in Gravitational Potential Energy in this process?

[tex]\displaystyle \Delta \text{PE} = \underbrace{(m\cdot g)}_{1580\;\text N}} \cdot \Delta h = 1580\times 1.10\;\text{m} = 1738\;\text{J}[/tex].

What's the energy input in this process?

The output of the board is the same as the gain in gravitational potential energy, 1738 Joules.

[tex]\displaystyle W_\text{in} = \frac{W_\text{out}}{\text{Efficiency}} = \frac{1738}{0.8} = 2172.5\;\text{J}[/tex].

[tex]F = \dfrac{W_\text{in}}{d}= \dfrac{2172.5}{2.5} = 869\;\text{N}[/tex].

7 m/s I believe I would check with your teacher if anything

7.5 seconds

Given u= initial velocity=30m/sec

          a= acceleration on moon=1.62m/s2

           h=180m

Using the equation

h = u(t) - 1/2gt² {where g = 1.62 m/s²}   and u = 30 m/s

180 = 30t - (0.5)(1.62)t²  

0 = 0.81t² - 30t +180  

solving the quadratic equation for the 2 t-values:  

t = 7.5 s or t = 30 s

Therefore; the time taken to reach a height of 180 m upwards is 7.5 seconds

Newton's second law of motion describes the relationship between force and acceleration. They are directly proportional. If you increase the force applied to an object, the acceleration of that object increases by the same factor. In short, force equals mass times acceleration.

Final answer:

Force is related to acceleration and gravity through Newton's second law of motion, where F = ma. Gravity causes objects to accelerate towards Earth at a constant rate of 9.8 m/s², regardless of mass. In scenarios like free fall, simple relations like v = u + at show the direct relationship between force and acceleration.

Explanation:

Force is related to acceleration and gravity through Newton's second law of motion. The formula representing this relationship is F = ma, where F is the force applied to an object, m is the mass of the object, and a is the resulting acceleration.

Gravity, as described by Newton's universal law of gravitation, causes objects to accelerate towards Earth at a constant rate of 9.8 m/s² near the surface of the Earth, regardless of their mass. This special property of gravity results in all objects experiencing the same acceleration due to gravity.

When considering a constant force and acceleration scenario, such as free fall in a uniform gravitational field without air resistance, simple relations like v = u + at can be derived, demonstrating the direct relationship between force and acceleration.

Answer:

It sends signals that control heat rate and respiration

Explanation:

We breath without thinking this is because of the the autonomic nervous system.  (ANS) is an involuntary system it acts without our conscious control.

The  sensory-somatic nervous system do not control heat rate and respiration. Hence, option (A) is correct.

The nervous system containing sensory as well as the motors neurons is known as sensory-somatic nervous system. These are made up of the cranial and spinal nerves that transmit information from the skin, skeletal muscles to the Central Nervous System.

As per the given problem:

(A)

The sensory-somatic nervous system sends signals from skin and muscle to Central Nervous System, but it does not control heat rate and respiration. Hence, this statement is correct (means it is not the function of sensory-somatic nervous system).

(B)

Sensory-somatic nervous system receives messages and relays stimulus to contract muscle fibers. Hence, it is a function and the option is incorrect.

(C)

The sensory-somatic nervous system exchanges the information between the various organs to Central Nervous System. Hence, the option is incorrect.

(D)

At some instant, sending neuro signals directly to muscle and glands is also a function of  sensory-somatic nervous system. So, the option is incorrect.

Thus, we conclude that out of all the given options, the  sensory-somatic nervous system do not control heat rate and respiration. Hence, option (A) is correct.

Learn more about the sensory-somatic nervous system here:

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Either Answer Choice A Or D

Answer:

THE ANSWER IS A

Explanation:

lowers the amount of voltage going through a circuit

If there is but one resistor in the circuit, it will limit the current flow according to E = I*R

If there are two resistors in series in the circuit, they will affect a voltage divider.

Though you haven't asked for it, the voltage drop across the 3 ohm resistor is E = I*R

I = 5 amps

R = 3 ohms

E = 5 * 3 = 15 Volts

And through the 2 ohm resistor, you get

I = 5 amps

R = 2 ohms

E = 2*5

E = 10 volts.

So the total is 10 v + 15 v = 25 volts

Each resistor then has a reading in voltage across it. That is called a voltage divider.

===========

One "resistor" like a light bulb is made to give light and also to limit the current.

Answer:

[tex]2.1 \mu T[/tex]

Explanation:

The magnetic field strength is given by:

[tex]B=\frac{\mu_0 I}{2 \pi r}[/tex]

where

[tex]\mu_0[/tex] is the vacuum permeability

I is the current

r is the distance from the wire

In this problem,

I = 6.5 A

r = 6.3 cm = 0.063 m

So, the magnetic field strength is

[tex]B=\frac{(1.256\cdot 10^{-7} H/m)(6.5 A)}{2 \pi (0.063 m)}=2.1\cdot 10^{-6} T=2.1 \mu T[/tex]

the answer to this question is y

Answer:

Y    

Explanation:

According to Huygen's principle, each point on a wavefront is a source of wavelets which generates the next wavefront.

In the given diagram, point source of light that is the primary source is represented by W. X and Z are wavefronts. The points marked on X are point source of wavelets. On Z, a wavelet is represented by Y. The wavelets spread out in forward direction. The envelope of wavelets forms a wavefront.

Answer:

The correct answer is: in the magma chamber.

Explanation:

The volcanoes are creating igneous rocks, and they can be intrusive and extrusive. The intrusive ones are forming deep into the ground, while the extrusive are forming on the surface. Where the rocks are formed makes a big difference in their crystals size. The rocks that form by magma that has cooled the deepest into the ground would have the largest crystals, thus the coarsest grains. The reason for this is that the magma that has been cooling the deepest into the ground will be exposed to higher temperatures and pressures, which will lead to a very slow cooling off. Because the cooling off will be at such a slow rate, the crystals will have enough time to became much larger. The deepest part of a volcano is its magma chamber, thus it will be the place that will produce the coarsest grained igneous rocks.

Each color does have it's own frequency an wave length.

the sugar dissolves, but is still there, just not visible

Answer:

120 kg m/s

Explanation:

The magnitude of the momentum of an object is given by

[tex]p=mv[/tex]

where

m is the mass of the object

v is its speed

For the block in this problem,

m = 10.0 kg (mass of the block)

v = 12.0 m/s (speed of the block)

Therefore the magnitude of the block's momentum is

[tex]p=(10.0 kg)(12.0 m/s)=120 kg m/s[/tex]

DASH is an acronym for Dietary Approaches to Stop Hypertension.

It stands for Dietary Approaches to Stop Hypertension.  Hope I was able to help you. :)

Answer:

A

Explanation:

Of course yes =D

It is a useful app for students and for teachers =D

Best regards

Hi! ⭐️

This app sure does help, maybe their will be kids sometimes that joke around but then overall they answer correctly!

Hope this helped!

Have a wonderful day! ♥️

Because you don't have your banana milk, broski

...

Life... is a dream.

...

Life... is a story.

...

Life... is a creation of human kind.

...

Life............................ is 42.

To find the displacement, draw a vector from your starting point to your end point and solve for the length of this line.

Hope this helps!

Davinia.

Displacement in physics is the overall change in position of an object. It can be computed using the equation Δx = x₁ - x₀ (final position - initial position). For more complex scenarios, you calculate the area between the velocity-time graph and time axis or use displacement vectors for multi-dimensional scenarios.

In Physics, displacement represents the overall change in an object's position. This is different from distance which accounts for the total ground an object covered. To calculate displacement, we need to know the initial and final positions of the object and use the equation, Δx = x₁ - x₀ where Δx is the displacement, x₁ is the final position, and x₀ is the initial position.

For example, If an object moves from position 3m (x₀) to position 8m (x₁), the displacement (Δx) would be 8m - 3m = 5m. This is a simplified example, for complex scenarios where there is varying speed or acceleration, you might need to calculate the area between the velocity vs. time graph and the time axis.

To visualize displacements in more than one dimension, we use displacement vectors. Here you would also need to take direction into account while calculating the overall displacement.

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Answer: Option C

Explanation: The chemical change can be defined as the change that once occurred cannot be reversed by any means.

The metal corrosion in the salt water is an example of chemical change as it cannot be reversed once the metal is corroded. This also results in the change in the color of the metal and further decaying of the metal at later stages.

The horizontal range formula tells us

[tex]x=\dfrac{{v_i}^2\sin2\theta}g[/tex]

where [tex]v_i[/tex] is the dancer's initial speed, [tex]\theta[/tex] is her launch angle, and [tex]g[/tex] is the acceleration due to gravity. So

[tex]1.5\,\mathrm m=\dfrac{{v_i}^2\sin50^\circ}{9.8\frac{\rm m}{\mathrm s^2}}\implies v_i=4.4\dfrac{\rm m}{\rm s}[/tex]

Her initial velocity as a vector is

[tex]\vec v_i=v_{xi}\,\vec\imath+v_{yi}\,\vec\jmath[/tex]

where

[tex]v_{xi}=v_i\cos25^\circ=4.0\dfrac{\rm m}{\rm s}[/tex]

[tex]v_{yi}=v_i\sin25^\circ=1.9\dfrac{\rm m}{\rm s}[/tex]

Answer: 1.9m/s.

Explanation: 1.9m/s.

The ball's horizontal and vertical velocities at time [tex]t[/tex] are

[tex]v_x=v_{xi}[/tex]

[tex]v_y=v_{yi}-gt[/tex]

but the ball is thrown horizontally, so [tex]v_{yi}=0[/tex]. Its horizontal and vertical positions at time [tex]t[/tex] are

[tex]x=v_{xi}t[/tex]

[tex]y=20.0\,\mathrm m-\dfrac g2t^2[/tex]

The ball travels 22 m horizontally from where it was thrown, so

[tex]22\,\mathrm m=v_{xi}t[/tex]

from which we find the time it takes for the ball to land on the ground is

[tex]t=\dfrac{22\,\rm m}{v_{xi}}[/tex]

When it lands, [tex]y=0[/tex] and

[tex]0=20.0\,\mathrm m-\dfrac{9.8\frac{\rm m}{\mathrm s^2}}2\left(\dfrac{22\,\rm m}{v_{xi}}\right)^2[/tex]

[tex]\implies v_i=v_{xi}=11\dfrac{\rm m}{\rm s}[/tex]

Answer: 11m/s.

Explanation: 11m/s.

Explanation:

Start with the unbalanced equation:

KClO

3

→

KCl

+

O

2

A method that often works is to balance everything other than

H

and

O

first, then balance

O

, and finally balance

H

.

Another rule is to start with what looks like the most complicated formula.

The most complicated formula looks like

KClO

3

.

We put a

1

in front of it and mark the

1

to remind ourselves that the number is now fixed.

We can't change a coefficient unless we run into a roadblock (like having to use fractions).

My teacher never let me use fractions.

My solution when I hit a roadblock was to erase all the numbers and then start over again with a 2 as the starting coefficient.

We start with

1

KClO

3

→

KCl

+

O

2

Balance

K

:

We have 1

K

on the left, so we need 1

K

on the right. We put a

1

in front of the

KCl

.

1

KClO

3

→

1

KCl

+

O

2

Balance

Cl

:

Cl

is already balanced, with 1

Cl

on each side.

Balance

O

:

We have 3

O

atoms on the left and only

2

on the right. We need 1½

O

2

molecules on the right. Uh, oh! Fractions!

We start over with a 2 as the coefficient.

2

KClO

3

→

2

KCl

+

O

2

Now we have 6

O

atoms on the left. To get 6

O

atoms on the right, we put a 3 in front of the

O

2

.

2

KClO

3

→

2

KCl

+

3

O

2

Every formula now has a fixed coefficient.

We should have a balanced equation.

Let’s check:

Left hand side: 2

K

, 2

Cl

, 6

O

Right hand side: 2

K

, 2

Cl

, 6

O

All atoms balance.

The balanced equation is

The coefficient of KCl in a dissolution reaction is '1'. The question may be mixing up the concept of KCl dissolution with equilibrium constants for other reactions, such as CO2 with water. A chemical context is needed to provide a specific coefficient for KCl.

The question what coefficient of KCl appears to be asking for the coefficient (stoichiometric number) in front of the chemical formula KCl in a balanced chemical equation. However, to provide a specific coefficient, there needs to be a context of a complete chemical reaction. If the reaction is simply the dissolution of KCl in water, the coefficient is typically '1' because the dissolution equation would be KCl(s) → K+(aq) + Cl-(aq), with each ion being produced in a 1:1 ratio.

In chemistry, equilibrium constants, such as the solubility product constant (Ksp) for salts like KCl, are crucial for understanding the solubility and dissociation of compounds. The Ksp for KCl would be the product of the concentrations of the K+ and Cl- ions at equilibrium. The value of K you mentioned corresponds to the equilibrium constant for the reaction between carbon dioxide and water, which is different from the solubility product of KCl.

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Answer:

true

Explanation:

The diameter of the Moon is 3474 km. The distance across the United States, from Florida to Washington, is 4509.382 km.

It is true that the diameter of the moon is a little less than the distance across the United States.

Answer: Option A

Explanation:

Moon is the natural satellite of our Earth. It revolves around the Earth due to the gravitational force acting on the moon. The moon also has its own gravitational force. The gravitational force of moon is [tex]\frac{1}{6} t h[/tex] of the gravitational force on Earth.

The mass of moon is [tex]7.34 \times 10^{22}[/tex] kg while the mass of the Earth is [tex]5.972 \times 10^{24}[/tex] kg. So the moon’s mass is very very less than that of Earth. So the diameter of moon is found as 3,472 km while the diameter of Earth is 12,742 km.

Thus the dimension of moon is [tex]\frac{1}{4} t h[/tex] of the dimension of the Earth. Even the diameter of moon is little less than the distance across the United States as the distance across United States is 4509 km.

it is 5 yds/s to run the football firld

I had this question on a quiz, it was X.

Answer:

X

Explanation:

A plane mirror produces a virtual and erect image. The distance of the image from the mirror is same as distance of object from the mirror. The image formed is of the same size as of the object. The image is produced behind the mirror.

In the given diagram, the image of the ball would form behind the mirror at position X which is at equal distance from mirror as the ball is.

-- Light is electromagnetic radiation.

-- Electromagnetic radiation has no mass.

-- Electromagnetic radiation can travel through vacuum.

Answer:

Option (1), (3) and (4) are correct.

Explanation:

When the oscillating electri and magnetic field interacts perpendicularly to each other, the electromagnetic radiations are produced. The electromagnetic radiations propagates in the perpendicular direction of both electric and magnetic field vectors.

For example, gamma rays, X rays, ultra violet rays, visible radiations, infrared rays, micro waves and radio waves.

Electromagnetic radiations do not require any medium for their propagation.

They do not carry mass, they carry energy only.