A larger block of stone has been raised to a height of 15 m has gained 6000 j of GPE what mass does it have

Answer:

PE = 137.2931 J

Explanation:

PE = 137.2931 J

Answer:

14

Explanation:

Lol im in my chemistry class rn

Answer:

\( \huge{ \boxed{ \bold{ \sf{14 \: amu}}}}\)

Explanation:

✑ First, Let's explore about ATOMIC MASS :

↱ An atom consists of electrons , protons and neutrons. The mass of electron is extremely small and it is taken as a negligible mass compared to the mass of a proton or neutron. Thus , The atomic mass is defined as the sum of the number of protons and neutrons present in the nucleus of an atom of that element. If is also called atomic weight. It is denoted by A. The nucleus determines the mass of an atom, while the number of electrons determines the size of the atom of the element.

Mathematically,

Atomic mass = Number of protons + Number of neutrons

i.e \( \boxed{ \sf{A = p^{ + } + n^{0}}}\)

———————————————————————

✎ Now , Let's find the atomic mass of atom having 6 protons and 8 neutrons :

☞ Atomic mass = No. of protons + No. of neutrons

➵ Atomic mass = 6 + 8

➵ Atomic mass = \( \boxed{ \sf{14 \: amu}}\)

And we're done !

Hope I helped!

Have a wonderful day! ツ

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Answer:

ΔU  = e(V₂ - V₁) and its value ΔU = -2.275 × 10⁻²¹ J

Explanation:

Since the electric potential at point 1 is V₁ = 33 V and the electric potential at point 2 is V₂ = 175 V, when the electron is accelerated from point 1 to point 2, there is a change in electric potential ΔV which is given by ΔV = V₂ - V₁.

Substituting the values of the variables into the equation, we have

ΔV = V₂ - V₁.

ΔV = 175 V - 33 V.

ΔV = 142 V

The change in electric potential energy ΔU = eΔV = e(V₂ - V₁) where e = electron charge = -1.602 × 10⁻¹⁹ C and ΔV = electric potential change from point 1 to point 2 = 142 V.

So, substituting the values of the variables into the equation, we have

ΔU = eΔV

ΔU = eΔV

ΔU = -1.602 × 10⁻¹⁹ C × 142 V

ΔU = -227.484 × 10⁻¹⁹ J

ΔU = -2.27484 × 10⁻²¹ J

ΔU ≅ -2.275 × 10⁻²¹ J

So, the required equation for the electric potential energy change is

ΔU  = e(V₂ - V₁) and its value ΔU = -2.275 × 10⁻²¹ J

Humans would need a breathable environment like that on Earth in the living section of a colony on Venus in order to survive. Nitrogen, oxygen, and trace amounts of other gases, such as carbon dioxide, make up the majority of the atmosphere on Earth.

The clouds are made of sulfuric acid, and the atmosphere is primarily carbon dioxide, the same gas that causes the greenhouse effect on Venus and Earth. And the heated, high-pressure carbon dioxide acts corrosively at the surface.

For instance, compared to Earth, which has 99% nitrogen and oxygen in its atmosphere, Venus and Mars both contain more than 98% carbon dioxide and nitrogen.

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If the dog walked at a constant speed the whole way, the graph of the dog's position versus time would be a straight line. This is because the dog's velocity (which is the derivative of position with respect to time) would be constant, and the acceleration (which is the derivative of velocity with respect to time) would be zero.

A straight line on a position-time graph indicates that the object is moving at a constant velocity. The slope of the line would be equal to the velocity of the dog.

If the graph is a horizontal line, it would indicate that the dog is at rest. If the line slopes upward, the dog is moving in the positive direction (for example, to the right in a position-time graph), and if the line slopes downward, the dog is moving in the negative direction.

In all, A constant speed means a constant velocity and the line is a straight line with a particular slope.

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The potential energy of the roller coaster is 176,400 J (joules).

The potential energy of an object is given by the formula PE = mgh, where PE is the potential energy, m is the mass of the object, g is the acceleration due to gravity, and h is the height or vertical position of the object.

In this case, the roller coaster is at a peak of 20m and has a mass of 900kg. The acceleration due to gravity, g, is approximately 9.8 \(m/s^2\).

Using the formula, we can calculate the potential energy:

PE = mgh

= (900 kg)(9.8 \(m/s^2\))(20 m)

= 176,400 J

Therefore, the potential energy of the roller coaster is 176,400 J (joules).

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The impact speed of the mouse is 23.3 m/s as per the data given in the question.

Velocity is the pace and direction of an object's movement, whereas speed is the time rate at which an object is travelling along a path. In other words, velocity is a vector, whereas speed is a scalar value.

To solve for the impact speed, we can use the following equation:

\(v^2 = u^2 + 2as\)

Where:

v = impact speed,

u = initial speed (which is the horizontal speed of the owl),

a = acceleration due to gravity (9.8 m/\(s^2\)), and

s = vertical distance fallen (15.0 m).

Substituting the known values, we get:

\(v^2 = 16.0^2 + 2 X 9.8 X 15.0\)

\(v^2\) = 256 + 294

\(v^2\) = 550

v = sqrt(550 )

v = 23.3 m/s

Thus, the impact speed of the mouse is 23.3 m/s.

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Answer:

There are 3 variables that can affect the size of the torque. First, the size of the force matters. A larger force creates a larger torque. But the angle the torque makes with the radius also matters. Only perpendicular forces or the perpendicular component of a force can create a torque. So, the angle between the force and radius also affects the torque. Lastly, the distance the torque acts from the pivot point, or radius, also affect the magnitude of the torque on an object.

Answer:

0 N

Explanation:

From A to B the car is going on a linear path so the velocity is not changing the direction. Since the speed is constant, there is no acceleration. Then, there is no net force acting on the car. Therefore, the magnitude of the net force acting on the car while it is moving from A to B is 0N.

Answer:

The friend on moon is richer.

Explanation:

The value of acceleration due to gravity changes from planet to planet. So the weight of 1 Newton of gold carries different mass on different places. So we need to calculate the mass of gold that both persons have.

FRIEND ON MOON:

W₁ = m₁g₁

where,

W₁ = Weight of Gold won by friend on moon = 1 N

m₁ = mass of gold won by friend on moon = ?

g₁ = acceleration due to gravity on moon = 1.625 m/s²

Therefore,

1 N = m₁(1.625 m/s²)

m₁ = 0.62 kg

ON EARTH:

W₂ = m₂g₂

where,

W₂ = Weight of Gold won by me on Earth = 1 N

m₂ = mass of gold won by me on Earth = ?

g₂ = acceleration due to gravity on Earth = 9.8 m/s²

Therefore,

1 N = m₁(9.8 m/s²)

m₁ = 0.1 kg

Since, the friend on moon has greater mass of gold than me.

Therefore, the friend on moon is richer.

The magnitude of the magnetic force on a proton is 1.68 ✕ 10^−16 N, directed towards the negative y-direction. The magnitude of the magnetic force on an electron is also 1.68 ✕ 10^−16 N, but directed towards the positive y-direction.

Begin by using the formula for the magnetic force on a charged particle moving in a magnetic field:

F = q * v * B * sin(θ)

where F is the magnetic force, q is the charge of the particle, v is the velocity of the particle, B is the magnetic field strength, and θ is the angle between the velocity vector and the magnetic field vector.

For a proton, the charge is +e, where e is the elementary charge (1.6 ✕ 10^−19 C). The velocity of the proton is given as 3.99 ✕ 10^5 m/s in the positive x-direction. The magnetic field strength is 2.93 ✕ 10^−8 T in the positive z-direction.

The angle θ between the velocity vector and the magnetic field vector is 90 degrees since the velocity is perpendicular to the magnetic field.

Substituting the values into the formula, we get:

F_proton = (+e) * (3.99 ✕ 10^5 m/s) * (2.93 ✕ 10^−8 T) * sin(90°)

F_proton ≈ 1.68 ✕ 10^−16 N

Since the proton has a positive charge, the magnetic force is directed opposite to the direction of electron flow, which is in the negative y-direction.

Repeat the steps for an electron, but note that the charge is -e. The direction of the force on an electron will be opposite to that of a proton.

F_electron = (-e) * (3.99 ✕ 10^5 m/s) * (2.93 ✕ 10^−8 T) * sin(90°)

F_electron ≈ -1.68 ✕ 10^−16 N

The force on an electron is also 1.68 ✕ 10^−16 N, but directed towards the positive y-direction.

Remember to consider the proper units and take into account the directions of charge, velocity, and magnetic field when calculating the magnetic force on a charged particle.

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The average acceleration of the motorcycle over the given distance is approximately 9.39 m/s².

To calculate the average acceleration of the motorcycle, we can use the formula:

Average acceleration = (final velocity - initial velocity) / time

First, let's convert the final velocity from km/h to m/s since the distance is given in meters. We know that 1 km/h is equal to 0.2778 m/s.

Converting the final velocity:

Final velocity = 78 km/h * 0.2778 m/s = 21.67 m/s

Since the motorcycle starts from rest (initial velocity is zero), the formula becomes:

Average acceleration = (21.67 m/s - 0 m/s) / time

To find the time taken to reach this velocity, we need to use the formula for average speed:

Average speed = total distance/time

Rearranging the formula:

time = total distance / average speed

Plugging in the values:

time = 50 m / 21.67 m/s ≈ 2.31 seconds

Now we can calculate the average acceleration:

Average acceleration = (21.67 m/s - 0 m/s) / 2.31 s ≈ 9.39 m/s²

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The torque on the loop increases by a factor of 16.

option D.

The torque on a wire loop in a magnetic field is given by the equation:

τ = NIABsinθ

Where;

If the radius of the wire is doubled, then the area of the loop becomes four times larger.

Also, if the current flowing through the wire is quadrupled, then the torque becomes four times larger.

The torque on the loop increases by a factor of 4 x 4 = 16.

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The correct answer is :

In octal,

Decimal         16  17   18  19  20  21  22 23  24  25  26  27  28  29  30 31  32

Octal             20  21  22  23 24  25 26 27  30  31   32  33  34  35  36 37  40

Hexadecimal 10   11   12  13  14   15  16  17   18   19   1A   1A   1C  1D  1E  1F  20

Decimal   8  9  10 11  12 13  14  15  16  17  18  19  20 21  22  23 24 25 26 27 28

Base13     8  9  A  B  C  10  11  12  13   14  15  16  17  18  19   1A  1B  1C 20 21 22

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Answer:

Climate.

Explanation:

Weather can be defined as the atmospheric conditions of a particular area over a short period of time.

The elements of weather include precipitation, wind, temperature, atmospheric pressure, relative humidity, cloud, and wind speed.

The long-term average weather for a region is called climate.

This ultimately implies that, when the average atmospheric conditions prevailing in a specific region persists for a very long period of time, it is known as climate.

The GI tract has a plexus in the muscalaris, submucosal plexus, and nerves in the mucosa.

Hirschsprung disease (HD) is a congenital condition defined by the lack of ganglion cells (GC) at the Meissner's plexus (submucosa) and Auerbach's plexus (muscularized) of the terminal rectum.

Vomiting and extensive laxative use can cause digestive system disruption, resulting in stomach bleeding and regurgitation. By vomiting frequently, the esophagus relaxes, allowing stomach contents to ascend up into the pharynx and mouth.

Pepsin, for example, is a protein-degrading enzyme. Another enzyme that breaks down lipids is stomach lipase.

Stomach enzymes are essential for breaking down the food you consume. These proteins hasten molecular processes that convert nutrients into substances that can be absorbed by your digestive system.

Handwashing with detergent reduces the chance of gastroenteritis by up to 47%. Of course, avoiding tainted meals that may contain harmful germs and parasites is essential.

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Answer:

Explanation:

The answer is **(c) 9.39 m/s** for the velocity of the bullet-block system after it's hit, and **(g) 209.39 m/s** for the bullet's velocity before it hit the box.

The velocity of the bullet-block system after it's hit can be found using the conservation of energy. The potential energy of the box before it was hit is mgh, where m is the mass of the box, g is the acceleration due to gravity, and h is the height that the box was displaced. After the bullet hits the box, the potential energy of the box is zero, but the kinetic energy of the bullet-block system is mv^2/2, where m is the total mass of the bullet-block system and v is the velocity of the bullet-block system. Setting these two expressions equal to each other, we get:

```

mgh = mv^2/2

```

Solving for v, we get:

```

v = sqrt(2mgh)

```

In this case, we have:

* m = 0.05 kg + 1.3 kg = 1.35 kg

* g = 9.8 m/s^2

* h = 4.5 m

So, the velocity of the bullet-block system after it's hit is:

```

v = sqrt(2 * 1.35 kg * 9.8 m/s^2 * 4.5 m) = 9.39 m/s

```

The velocity of the bullet before it hit the box can be found using the conservation of momentum. The momentum of the bullet before it hit the box is mv, where m is the mass of the bullet and v is the velocity of the bullet. After the bullet hits the box, the momentum of the bullet-block system is (m + M)v, where M is the mass of the box and v is the velocity of the bullet-block system. Setting these two expressions equal to each other, we get:

```

mv = (m + M)v

```

Solving for v, we get:

```

v = mv/(m + M)

```

In this case, we have:

* m = 0.05 kg

* M = 1.3 kg

* v = 9.39 m/s

So, the velocity of the bullet before it hit the box is:

```

v = 0.05 kg * 9.39 m/s / (0.05 kg + 1.3 kg) = 209.39 m/s

```

The velocity of the bullet-block system after the collision is approximately a) 6.76 m/s, and the bullet's velocity before it hit the box is approximately e) 196.76 m/s.

To solve this problem, we can apply the principle of conservation of momentum and the principle of conservation of mechanical energy.

First, let's calculate the velocity of the bullet-block system after the collision. We can use the principle of conservation of momentum, which states that the total momentum before the collision is equal to the total momentum after the collision.

Let m1 be the mass of the bullet (0.05 kg) and m2 be the mass of the box (1.3 kg). Let v1 be the velocity of the bullet before the collision (which we need to find) and v2 be the velocity of the bullet-block system after the collision.

Using the conservation of momentum:

m1 * v1 = (m1 + m2) * v2

0.05 kg * v1 = (0.05 kg + 1.3 kg) * v2

0.05 kg * v1 = 1.35 kg * v2

Now, let's calculate the velocity of the bullet-block system (v2). Since the system goes up by a height of 4.5 m, we can use the principle of conservation of mechanical energy.

m1 * v1^2 = (m1 + m2) * v2^2 + m2 * g * h

0.05 kg * v1^2 = 1.35 kg * v2^2 + 1.3 kg * 9.8 m/s^2 * 4.5 m

Now, we can substitute the value of v2 from the momentum equation into the energy equation and solve for v1.

By solving these equations, we find that v1 is approximately 196.76 m/s.

Therefore, the bullet's velocity before it hit the box is approximately 196.76 m/s. (e) 196.76 m/s

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Answer:

False

Explanation:

17%

the answer to your question is false

An ideal circuit is a theoretical representation of an electrical circuit, where all components are perfect and all parameters such as resistance, capacitance, and inductance are zero.

The ideal circuit also has no energy losses, making it an ideal electrical system. To create an ideal circuit, the following factors must be considered:

1. Perfectly Conductive Wires: The wires and other conductors used in the circuit should be perfect conductors, which means the resistance should be zero. This will ensure that no energy is lost in the form of heat.

2. Zero Inductance: Inductance is a property of a circuit which causes a voltage drop when current flows through it. The ideal circuit should have no inductance so that the current can flow freely.

3. Zero Capacitance: Capacitance is a property in which electric charge builds up when current passes through it. To create an ideal circuit, the capacitance should be zero.

4. Zero Impedance: Impedance is the opposition to the flow of current in an electrical circuit. The ideal circuit should have zero impedance so that the current can flow freely.

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Answer: 6.4 times.

Explanation:

First, remember the definition of work as:

W = F*d

where W is work, F is force and d is distance.

The work applied when using the machine is:

W = 10N*14m = 140J

The work that you would apply if you did not use the machine is:

W' = 180N*5m = 900J.

The ratio W'/W is = 900J/140J = 6.4

This means that the machine has made 6.4 times the work easier. (you needed 6.4 times less work to do the task

Answer:

The correct answer is - 2.10 eV.

Explanation:

To calculate the energy of a photon of  a specific wavelength light, the following formula can be used:

E = h * c / λ = h * f ,

where,

E = energy of a photon.

h = Planck constant,

c = speed of light,

λ = wavelength of a photon,

f = frequency of a photon.

Putting the given value of orange photon:

E = h * c / λ

= (6.626 x 10^-19)*(3*10^8)/590

= 3.36685738E-19 or 2.1014 eV

Answer:

60.8 cm²

Explanation:

The charge density, σ on the surface is σ = Q/A where q = charge = 87.6 pC = 87.6 × 10⁻¹² C and A = area = 65.2 cm² = 65.2 × 10⁻⁴ m².

σ = Q/A = 87.6 × 10⁻¹² C/65.2 × 10⁻⁴ m² = 1.34 × 10⁻⁸ C/m²

Now, the charge through the Gaussian surface is q = σA' where A' is the charge in the Gaussian surface.

Since the flux, Ф = 9.20 Nm²/C and Ф = q/ε₀ for a closed Gaussian surface

So, q = ε₀Ф = σA'

ε₀Ф = σA'

making A' the area of the Gaussian surface the subject of the formula, we have

A' = ε₀Ф/σ

A' = 8.854 × 10⁻¹² F/m × 9.20 Nm²/C ÷ 1.34 × 10⁻⁸ C/m²

A' = 81.4568/1.34 × 10⁻⁴ m²

A' = 60.79 × 10⁻⁴ m²

A' ≅ 60.8 cm²

The flux through the Gaussian surface is 9.20 N⋅m^2/C then the surface area of the Gaussian Sheet is 60.76 square cm.

A certain amount of electrons in excess or defect is called a charge. Charge density is the amount of charge distributed over per unit of volume.

Given that, for a thin sheet of insulating material, the charge Q is 87.6 pC and surface area A is 65.2 square cm. Then the charge density for a thin sheet is given below.

\(\sigma = \dfrac {Q}{A}\)

\(\sigma = \dfrac {87.6\times 10^{-12}}{65;.2\times 10^{-4}}\)

\(\sigma = 1.34\times 10^{-8} \;\rm C/m^2\)

Thus the charge density for a thin sheet of insulating material is \(1.34\times 10^{-8} \;\rm C/m^2\).

Now, the flux through the Gaussian surface is 9.20 N⋅m^2/C. The charge over the Gaussian Surface is given as below.

\(Q' = \sigma A'\)

Where Q' is the charge at the Gaussian Surface, A' is the surface area of the Gaussian surface and \(\sigma\) is the charge density.

For the closed Gaussian Surface, Flux is given below.

\(\phi = \dfrac {Q'}{\epsilon_\circ}\)

Hence the charge can be written as,

\(Q' = \phi\epsilon_\circ\)

So the charge can be given as below.

\(Q' = \phi\epsilon_\circ = \sigma A'\)

Then the surface area of the Gaussian surface is given below.

\(A' = \dfrac {\phi\epsilon_\circ}{\sigma}\)

Substituting the values in the above equation,

\(A' = \dfrac {9.20 \times 8.85\times 10^{-12}}{1.38\times 10^{-8}}\)

\(A' =0.006076\;\rm m^2\)

\(A' = 60.76 \;\rm cm^2\)

Hence we can conclude that the area of the Gaussian Surface is 60.76 square cm.

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Answer:

31.84

Explanation:

To find the magnitude of the sum of the three vectors, first, we need to add the vectors component-wise. Then, we can find the magnitude of the resulting vector.

Add the vectors component-wise:

Vector A + Vector B + Vector C = [13+13+0, 8+0+1, 0+8+8] = [26, 9, 16]

Find the magnitude of the resulting vector:

The magnitude of a vector [x, y, z] is given by the formula:

magnitude = sqrt(x^2 + y^2 + z^2)

Plugging in the values from the resulting vector:

magnitude = sqrt(26^2 + 9^2 + 16^2)

magnitude = sqrt(676 + 81 + 256)

magnitude = sqrt(1013)

magnitude ≈ 31.84

The magnitude of the sum of the three vectors is approximately 31.84.

Hope this helps!

Answer:

A. the wavelength of light is reflected by what it is hitting and directed back into the eye.

Explanation:

Answer:

 m = 876.71 kg

Explanation:

This is an exercise of Archimedes' principle, which states that the thrust on a body is equal to the weight of the dislodged liquid  

        B = ρ g V  

therefore the load that the balloon can lift is  

       B - W_structure - w_load = 0

       w_load = B - W_structure

The volume of the balloon is  

      v = 4/3 π r³

let's substitute  

      w_carga = rho g 4/3 π r³ - m_structure g  

the air density at T = 25ºc is ρ = 1.18 kg / m³

let's calculate  

     w_load = 1.18 9.8 4/3 π 7.15³ - 930 9.8  

     w_load = 17705,77 - 9114  

     w_ load = 8591.77 N

this corresponds to a mass of  

   w_load = m g  

   m = w_load / g  

   m = 8591.77 / 9.8  

   m = 876.71 kg

Answer:

The  value is  \(a = - 4.45 m/s^2\)

Explanation:

From the question we are told that  

       The  initial speed is  \(u = 28 \ m/s\) at a distance of  \(s_1 = 0 \ m\)

        The  final speed is  \(v = 0 \ m/s\)    at a distance of  \(s_2 = 88 \ m\)

Generally  from the  kinematic equation we have that

       \(v^2 = u^2 +2as\)

=>   \(a = \frac{v^2 - u^2 }{ 2(s_2 - s_1 )}\)

=>  \(a = \frac{0 - 28^2 }{ 2(88 - 0 )}\)

=>   \(a = - 4.45 m/s^2\)

The negative sign shows that it is decelerating

Explanation:

Not all elements is viable to form a chemical coumpound, so the 18, is not part of it

Answer:

Explanation:

Three forces are in equilibrium .

Let us represent forces in vector form ie in the form of i and j .

F₁ is acting along positive x axis ( at a 0° angle )

F₁ = 12 i

F₂ is acting along positive y axis ( at a 90° direction)

F₂ = 18 j

Suppose F₃ is represented by X i + Y j

Total of three forces is zero .

F₁ + F₂ + F₃ = 0

12 i + 18 j + F₃ = 0

F₃ = - 12i - 18 j

So x - component of F₃ = - 12 i

X - component of F₃ is equal to 12 N in magnitude and is acting in negative x direction ie at 180° direction .

similarly y - component is 18 N acting in negative y direction.

Answer:

x-component: -12

y-component- -18

Explanation:

Answer:  C.  5V

Explanation:

Since P = VI, power is directly proportional to voltage

If current is constant, then the lower the voltage, the lower the power. The lowest voltage shown is 5 Volts.