which element has 5 valence electrons and 4 shells

Threshold 1 and Threshold 2 Accelerated Remitters will receive a PD7A-AR CRA Statement of Account. Option B is correct.

The CRA Statement of Account that would be received by Threshold 1 and 2 accelerated remitters is PD7A-AR.

CRA Statement of Account. The CRA statement of account is a statement of your account with the Canada Revenue Agency (CRA) which shows the balance owed or the credit available to you. CRA account statements can be used to check your account balance, view transactions, and payments made towards your balance.

In conclusion, Threshold 1 and 2 accelerated remitters receive a PD7A-AR CRA Statement of Account.

Therefore, Option B is correct.

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Answer:

The field would reverse its poles.

Explanation:

The current flow will reverse directions which will reverse the poles in the magnetic field created around the iron nail.

If she connects the battery in the opposite direction, the magnetic field would reverse its poles.

The magnetic field is the region of space where an object experiences the magnetic force and obtain magnetic properties.

A wire is connected to the positive end of the battery and curls around an iron nail and connects back with the negative side of the battery. This arrangement will let the current flow from the positive end of the battery towards the negative terminal of the battery.

If the battery is connected in the opposite direction, the current will flow from negative to positive terminal.

Therefore, If she connects the battery in the opposite direction, the magnetic field would reverse its poles.

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Answer:

t = 1.24 seconds

Explanation:

Given that,

Velocity of the ball, u = 30 m/s

Height, h = 45 m

We need to find how much time will it take the ball to reach a height of 45 m. Let the time be t.

Using the second equation of motion to find it.

\(h=ut+\dfrac{1}{2}at^2\\\\45=30t+\dfrac{1}{2}\times 9.8\times t^2\\\\45=30t+4.9t^2\\\\30t+4.9t^2-45=0\\\\t=1.24\ s\ \text{and}\ -7.36\ s\)

Neglecting negative value,

The ball will reach to a height of 45 m in 1.24 seconds.

The thunder and lightning happen at the same time but sound waves move more slowly than light waves. So if it takes longer for the sound to reach you, therefore the storm is farther away.

A sound wave is described as the pattern of disturbance caused by the movement of energy traveling through a medium such as air, water or any other liquid or solid matter as it propagates away from the source of the sound.

Sound waves are divided into three categories and they :

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Answer:

the two vehicles will be moving at a speed of 6.16  m/s

Explanation:

This is a case of completely inelastic collision, therefore, the conservation of momentum can be written as:

\(m_1\,v_1+m_2\,v_2=(m_1+m_2)\,v_f\)

which given the information provided results into:

\(m_1\,v_1+m_2\,v_2=(m_1+m_2)\,v_f\\(1250)\,(0)+(3550)\,(8.33)=(1250+3550)\,v_f\\29571.5=4800\,v_f\\v_f=6.16\,\,m/s\)

Answer:

It will be in liquid state loosing it's magnetic property.

Explanation:

Iron melts at 1538°C after loosing it's magnetic property at 770°C.

Gas is the state of the iron ball when it is heated at 2000 degrees Celsius.

An iron ball is in the state of matter known as a gas when heated to a temperature of 2000 degrees Celsius. Iron changes from a solid to a liquid at its melting point, which is about 1538 degrees Celsius, at this extraordinarily high temperature. Beyond its melting point, iron continues to absorb heat until it reaches its boiling point, or around 2862 degrees Celsius, where it turns from a liquid to a gas.

The iron has crossed its melting point but has not yet boiled at 2000 degrees Celsius. As a result, it is liquid, with the iron being in a molten state. Since the iron no longer has a solid structure, it may now flow freely, just like other liquids do.

It's critical to remember that heating iron to such high temperatures involves a lot of energy, and that handling things or materials at such temperatures safely demands tremendous caution. It exists as a solid at lower temperatures, below iron's melting point, and as a gas at higher temperatures, above iron's boiling point.

Hence, gas is the state of the iron ball when it is heated at 2000 degrees Celsius.

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200N towards south are the magnitudes and direction of both the resultant force and equilibrant force.

Define force

A force is an effect that changes, or accelerates, the motion of a mass-containing object. It is a vector quantity since it can be a push or a pull and always has magnitude and direction.

The entire force operating on the item or body, combined with the body's direction, is referred to as the resultant force. When the object is stationary or moving at the same speed as the object, the resultant force is zero.

Between F1 and F2 , resultant force will be 100N towards 45.0degrees north of west,

The total resultant force will be 100+100 i.e. 200N towards south.

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Everything in the universe is made up of matter or energy. Some ways that we have used energy today are turning on a light switch, using a microwave, driving a car, charging a phone.

Some examples of how energy is transformed in common everyday objects.

Turning on a light switch: When you turn on a light switch, you are completing an electrical circuit that allows electrons to flow through a wire and into a light bulb. The electrical energy is then transformed into light energy, which allows you to see.

Using a microwave: When you use a microwave to heat up food, the microwave emits electromagnetic radiation, which causes the water molecules in the food to vibrate and generate heat. The electrical energy from the microwave is transformed into thermal energy, which heats up your food.

Driving a car: When you start a car engine, the battery supplies electrical energy to the starter motor, which turns the engine. The chemical energy in the fuel is then transformed into thermal energy, which expands the gases in the engine and moves the pistons, which ultimately turns the wheels and propels the car forward.

Charging a phone: When you plug your phone into a charger, the electrical energy from the outlet is transformed into chemical energy, which is stored in the battery. The chemical energy is then transformed back into electrical energy when you use your phone.

These are just a few examples of how energy can be transformed in everyday objects.

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Answer:

d I guess not sure

b if down I guess

Explanation:

if worng then plz dont say anything as I am not sure about the ans

We are asked to determine the net rate of radiation of a roof given its area and its emisivity. To do that we will use the following formula:

Where:

The Stefan-Boltzmann's constant is given by:

Now, we need to convert the temperature to Kelvin. To do that we use the following:

Where:

For the 33°C we have:

For the 14°C:

Now, we substitute the values:

Solving the operation:

Therefore, the net rate of radiation is -27870.84 Watts.

The maximum wind velocity for a 30° crosswind with a maximum crosswind component of 15 knots is 30 knots.

To determine the maximum wind velocity for a 30° crosswind when the maximum crosswind component for the airplane is 15 knots, follow these steps:

1. Identify the maximum crosswind component: 15 knots.
2. Determine the crosswind angle: 30°.
3. Use the formula: Wind velocity = Maximum crosswind component / sin(crosswind angle).

In this case:

Wind velocity = 15 knots / sin(30°)

The sine of 30° is 0.5, so:

Wind velocity = 15 knots / 0.5

Wind velocity = 30 knots

So, the maximum wind velocity for a 30° crosswind with a maximum crosswind component of 15 knots is 30 knots.

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Answer:

The speed of a wave can be calculated using the formula:

v = λ * f

where v is the wave speed, λ is the wavelength, and f is the frequency.

Plugging in the values given, we get:

v = 32 * 5 = 160 m/s

Therefore, the speed of the wavelength is 160 m/s, which corresponds to option (c).

Explanation:

please follow me for more if you need any help

Answer:

Second choice

Explanation:

I suppose ME is the same as POTENTIAL energy

ME = mgh =  70 * 10 * 12 = 8400j

  Half way down,   4200 j is converted to Kinetic Energy

       1/2 m v^2 = 4200

       1/2 (70)  v^2 = 4200       v = 10.95 m/s

  Just before impact ALL of the 8400 j is now KE
      1/2 (70)v^2 = 8400          v = 15.49 m/s

To find the resistor with the largest resistance, let's use Ohm's law formula V = IR. where V is the voltage, I is the current, and R is the resistance. The resistor A has the largest resistance. The correct answer is resistor A.

We are given that two resistors, A and B, are connected in series to a 9 V battery. Also, the first resistor, A, has a voltage of 6 V across it. This means that the voltage across resistor B is 9 V - 6 V = 3 V.

Now, let's find the resistance of resistor A using Ohm's law:

R = V / I

where V = 6 V and I is the same as the current flowing through resistor B since they are connected in series. Let's assume the current is I.

Therefore,

Ra = 6 V / I

Now, let's find the resistance of resistor B using Ohm's law:

R = V / I

where V = 3 V and I is the current flowing through both resistors in series.

Therefore,

Rb = 3 V / I

We are to find which resistor has the largest resistance.

This means we should compare Ra and Rb.

Ra = 6 V / I

Rb = 3 V / I

To compare the two resistances, we can simplify them as follows:

Ra = 6 / I

Rb = 3 / I

We can see that Ra is twice the value of Rb.

Therefore, resistor A has the largest resistance. Answer: Resistor A

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Answer:

1) you could put more force behind it. (increase) 2) have another object interact with that object. (increase or decrease) 3) the object could hit a wall and stop or slow down (decrease)

Sorry if wrong

The focal length of a lens can be calculated using the formula 1/f = P, where P is the power of the lens in diopters.

Diopters are the units used to measure the power of a lens, and they are defined as the reciprocal of the focal length in meters. Therefore, the formula for the power of a lens is P = 1/f. To find the focal length of a lens with P = +4.0 diopters, we can rearrange the formula to solve for f.

The lens with P=+4.0 diopters:
1. Given P = +4.0 diopters
2. Use the formula P = 1/f
3. Solve for f: f = 1/P
4. Plug in the given value: f = 1/(+4.0) = 0.25 meters (25 cm)
The lens with P=-2.0 diopters:
1. Given P = -2.0 diopters
2. Use the formula P = 1/f
3. Solve for f: f = 1/P
4. Plug in the given value: f = 1/(-2.0) = -0.5 meters (-50 cm).
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Answer:

The final velocity of the Honda-Ford system is 17.727 meters per second.

Explanation:

According to the statement, there are no external forces acting on both cars, so there is an entirely inelastic collision between the Honda car and the Ford car, whose final velocity can be determined by solely using the Principle of Linear Momentum Conservation. A rear-end collision mean that both cars move in the same direction:

\(m_{H}\cdot v_{H} + m_{F}\cdot v_{F} = (m_{H}+m_{F})\cdot v\) (1)

Where:

\(m_{H}\) - Mass of the Honda car, in kilograms.

\(m_{F}\) - Mass of the Ford car, in kilograms.

\(v_{H}\) - Initial velocity of the Honda car, in meters per second.

\(v_{F}\) - Initial velocity of the Ford car, in meters per second.

\(v\) - Final velocity of the Honda-Ford system, in meters per second.

If we know that \(m_{H} = 1200\,kg\), \(m_{F} = 1000\,kg\), \(v_{H} = 20\,\frac{m}{s}\) and \(v_{F} = 15\,\frac{m}{s}\), then the final velocity of the Honda-Ford system is:

\(m_{H}\cdot v_{H} + m_{F}\cdot v_{F} = (m_{H}+m_{F})\cdot v\)

\(v = \frac{m_{H}\cdot v_{H}+m_{F}\cdot v_{F}}{m_{H}+m_{F}}\)

\(v = 17.727\,\frac{m}{s}\)

The final velocity of the Honda-Ford system is 17.727 meters per second.

(A) The Flix takes 1.5 seconds to reach his top speed of 4 m/s. (B) Flix moved a distance of 3.75 meters while he was accelerating.

To solve this problem, we can use the equations of motion to calculate the time and distance traveled by Flix the cat.

To determine the time it takes for Flix to accelerate, we can use the equation;

v = u + at

Where;

v = final velocity (4 m/s)

u = initial velocity (1 m/s)

a = acceleration (2 m/s²)

t = time

Rearranging the equation, we have;

t = (v - u) / a

Substituting the given values;

t = (4 m/s - 1 m/s) / 2 m/s²

t = 3 m/s / 2 m/s²

t = 1.5 s

Therefore, Flix takes 1.5 seconds to reach his top speed of 4 m/s.

To determine the distance traveled while accelerating, we can use the equation;

s = ut + (1/2)at²

Where;

s = distance traveled

u = initial velocity (1 m/s)

t = time (1.5 s)

a = acceleration (2 m/s²)

Substituting the given values:

s = (1 m/s)(1.5 s) + (1/2)(2 m/s²)(1.5 s)²

s = 1.5 m + (1/2)(2 m/s²)(2.25 s²)

s = 1.5 m + (2 m/s²)(1.125 s²)

s = 1.5 m + 2.25 m

s = 3.75 m

Therefore, Flix moved a distance of 3.75 meters while he was accelerating.

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The force constant of the spring is 200.696 N/m & The height the object achieves when the spring releases its energy is 2.5087 m

The spring constant is the force needed to stretch or compress a spring, divided by the compressive or expansive distance. It's used to determine stability or instability in the spring, and therefore the system it's intended for. we know,

F = kx

Therefore,

k = F/x

We also know that the force being exerted on the spring is equal to the mass of the object. Hence, F = mg = 5.13 * 9.8 N = 50.174 N and we know compression due to the mass is 0.25m. Therefore,

K = 50.174/0.25 N/m

K = 200.696 N/m

Therefore, The Spring Constant is 200.696 N/m

On release, the spring potential energy gets converted to kinetic energy. Hence, on release, the height attained by the object is given by:

h = \(1/2 kx^{2}\)

We know that k=200.696 N/m and x=0.25 m. Therefore the height is:

h = \(1/2 (200.696 N/m)(0.25 m)^{2}\)

h = 2.5087 m

Therefore, the force constant of the spring is 200.696 N/m & The height the object achieves when the spring releases its energy is 2.5087 m

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Answer:

B.

Explanation:

This is because if it has a long half-life then there will be enough rock left to be able to determine the age of the rock. It is not A. because if it has a long half-life there would be part of the substance left to determine the age. It is not C. because in order to study the substance, there must first be a substance left to study.

Hope this helps!

Answer:

Farther Away

Explanation:

The particles move past each other faster and vibrate more. Water, just like air, expands when its particles are pushed farther apart. The particles in water, just like the particles in the air, get pushed farther apart when the kinetic energy of the particles increases. Solids, liquids, and gases are all matter.

The "bad" side of the god Saturn is associated with destruction, limitation, malevolence, the passing of time, and a melancholic temperament.

In ancient Roman mythology, Saturn was considered one of the most important gods and was often associated with agriculture, wealth, and time. However, the "bad" side of Saturn is also well documented in mythology and astrology.

One of the primary negative associations with Saturn is the concept of destruction. In mythology, Saturn was believed to have castrated his father, Uranus, and devoured his own children out of fear that they would one day overthrow him.

Saturn is also associated with limitation and malevolence. In astrology, the planet Saturn is often called the "Great Malefic" because its negative aspects can be quite intense.

Another key aspect of Saturn's negative influence is related to time. In astrology, Saturn is often associated with aging, decay, and the passing of time.

Finally, Saturn is also associated with the concept of the "Saturnine temperament," which is often seen as cold, aloof, and melancholic. People who are heavily influenced by Saturn may struggle with emotional expression and may appear distant or detached to others.

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Answer:

the answer is 2,3,1 then 4 my bio teacher said this was correct

Explanation:

A simple pendulum makes 130 complete oscillations in 3.10 min at a location where g = 9.80 m/s²: (a) The period of the pendulum is approximately 1.43 seconds (s). (b) The length of the pendulum is approximately 0.80 meters (m).

(a) The period of a simple pendulum is the time taken for one complete oscillation. We can calculate the period (T) using the formula:

T = (time taken for oscillations) / (number of oscillations)

Given that the pendulum makes 130 complete oscillations in 3.10 minutes, we need to convert the time to seconds:

T = (3.10 min × 60 s/min) / 130

T ≈ 1.43 s

Therefore, the period of the pendulum is approximately 1.43 seconds.

(b) The length of a simple pendulum can be determined using the formula:

L = (g × T²) / (4π²)

Substituting the value of the period (T) calculated in part (a) and the acceleration due to gravity (g = 9.80 m/s²), we can find the length (L):

L = (9.80 m/s² × (1.43 s)²) / (4π²)

L ≈ 0.80 m

Thus, the length of the pendulum is approximately 0.80 meters.

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The magnetic flux through the coil is given by:

Φ = BAcosθ

where B is the magnetic field, A is the area of the coil, and θ is the angle between the magnetic field and the normal to the plane of the coil. Since the axis of the coil is parallel to the field, θ = 0 and the equation simplifies to:

Φ = BA

The rate of change of magnetic flux is given by:

dΦ/dt = d(BA)/dt = A(dB/dt)

Plugging in the given values, we get:

A = πr^2 = π(1.0 cm)^2 = 3.14 × 10^-4 m^2

dB/dt = (0.30 T - 0.00 T)/(20 ms) = 1.5 × 10^4 T/s

Therefore, the emf induced in the coil is:

emf = -N(dΦ/dt) = -500 × 3.14 × 10^-4 m^2 × 1.5 × 10^4 T/s = -0.235 V

Note that the negative sign indicates that the emf is induced in a direction that opposes the change in magnetic flux.

Answer:

what person above said is correct

Explanation:

The walls of the concert halls are used to control the acoustic. ... Rough surfaces can also be used to disperse sound in all directions – this might be used in concert halls to get rid of echoes that would distract from performances.

An acoustic panel is a sound-absorbing panel used to mitigate noise and reduce the reverberation and echo in a space. For both types, we can talk about different principles of good acoustics: absorption, diffusion, and attenuation. These are all linked to the acoustic performance of the panels.