Please help. I'll give branliest to whoever answers correctly. Two objects are 2.0 apart. What is the electrostatic force if the object has a charge of 1.062 x 10^-19 C?

The time taken for the man to reach the ground is 0.64 s and his velocity on reaching the round is 6.26 m/s.

Given that we can be able to use the equations of kinematics to obtain the time that it took the man to fall to the floor. Using the equation;

v^2 = u^2 + 2gh

v = final velocity

u = initial velocity

g = acceleration due to gravity

h = height attained

Note that u= 0 m/s since he dropped from a height;

v= √2gh

v = √2 * 9.8 * 2

v = 6.26 m/s

Again;

v = u + gt

Again  u= 0 m/s

v = gt

t = v/g

t = 6.26 m/s/9.8 m/s

t = 0.64 m/s

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Answer:

1. C

2. B

3. B

Explanation:

Took assignment on edge

The

Maximum six bullet points you should aim for on each slide to be effective in communicating your point.

Why are bullet points important?

Bullet points are important as they help to keep the data simple looking, lucid and well-organized in your communication.

In order to keep the information concise and to keep the slides from looking cluttered make sure there are only six bullet point.

In general, to effectively communicate your point, you should follow the simple rule which states that' six by six guideline'.

According to this rule, each slide shall have six bullets and  each bullet line shall consist of six words.

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The equations mentioned by Emily in the valuation analysis for Aspeon are as follows:

1) Equation (1): This equation represents the value of equity (S) and calculates it based on the EBIT (earnings before interest and taxes), the tax shield provided by debt (D), and the required return on debt (kd) and equity (ks). It implies that the value of equity is equal to the adjusted EBIT after deducting the tax shield from debt.

2) Equation (2): This equation calculates the total enterprise value (V) by adding the value of equity (S) and debt (D). It represents the total worth of the company, considering both equity and debt.

3) Equation (3): This equation calculates the price per share (P) by dividing the total enterprise value (V) minus the initial debt (D0) by the number of shares (n0). It represents the price per share based on the valuation of the company.

4) Equation (4): This equation calculates the new number of shares (n1) by subtracting the dividend (D) from the initial number of shares (n0) divided by the price per share (P). It represents the adjusted number of shares after the payment of dividends.

5) Equation (5): This equation calculates the levered value (VL) by adding the unlevered value (VU) with the tax shield value (TD). It represents the value of the company after considering the tax advantages of debt.

These equations provide a framework for valuation analysis, considering factors such as earnings, taxes, debt, and equity. They help assess the value and financial implications of Aspeon's growth prospects.

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To double the frequency of a vibrating stretched string with a fixed wavelength, the string tension needs to be increased by a factor of four (4).

When a string is under tension and clamped at its ends, it can vibrate at specific frequencies determined by its tension, mass per unit length, and the length of the string. The frequency of vibration is inversely proportional to the wavelength of the wave produced on the string.

In this scenario, we want to double the frequency of vibration while keeping the wavelength constant. Since frequency is directly proportional to the square root of tension, we need to increase the tension by a certain factor to achieve our desired frequency.

Using the equation for frequency in terms of tension and other variables, we can deduce that to double the frequency, the tension must be increased by a factor of four (4). This means that the new tension will be four times the original tension.

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Yes, force can be expressed in units of pounds and newtons.

Force is an effect of the mass of object to accelerate in particular direction and can be expressed in the unit of pounds according to the FPS system of units. Newton is also a unit to express the force. SI unit of force is the newton and symbol is N.

Convert weight measured in pounds to equivalent in Newtons. In the formula for the determination of mass based on weight, mass is measured in Newtons. Weight is measured in Kilograms, and acceleration of gravity on Earth is measured as 9.8 meters per second squared and these are metric system unit measurements.

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The smallest component of a digital picture or graphic that can be shown on a digital display device is a pixel.

Thus, The fundamental logical unit in digital graphics is the pixel. A whole image, movie, piece of text, or other visible object on a computer monitor is made up of pixels.

The terms "pixel" and "picture element" both refer to the same thing. A dot or square on a computer monitor's display screen serves as the representation of a pixel. Geometric coordinates are used to construct the fundamental building pieces of a digital image or display, known as pixels.

The amount, size, and color mix of pixels varies and is measured in terms of the display depending on the graphics card and display monitor.

Thus, The smallest component of a digital picture or graphic that can be shown on a digital display device is a pixel.

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Answer:

2.3 kg m/s

Explanation:

Answer:

The thickness of sponge is the dependent variable in this investigation

Explanation:

This is because in the investigation, the amount of mass is the property to be varied while the thickness of the sponge is the property to be checked.

The thickness of the sponge is dependent on the amount of mass placed on it, so the thickness of the sponge depends on the mass.

Thus, the thickness of the sponge is the dependent variable in this instance while the amount of mass is the independent variable in this investigation.

Answer:

i think it A sorry if i get it wrong but it should be A

Explanation:

The all forces acting on the steel beam are weight, tension in the cable and air resistance

The forces acting on the steel beam are:

Weight: The force of gravity acting on the steel beam, pulling it downwards.

Tension in the cable: The force exerted by the cable, which is holding the steel beam up and preventing it from falling.

Air resistance: The resistance of the air to the motion of the steel beam.

To draw a free-body diagram of the object, we represent the object as a point and show all the forces acting on it as arrows pointing away from the point. The size of the arrows represents the magnitude of the forces.

The free body diagram is shown in the figure

Where:

T represents the tension force in the cable

W represents the weight force of the steel beam

Note that the air resistance force is usually neglected in such diagrams, as it is often relatively small compared to the other forces.

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A) If a compass were placed at location A, it would point in the direction perpendicular to the wire, or in the direction of the magnetic field generated by the current.

This can be remembered using the right-hand rule, which states that if the thumb of your right hand points in the direction of the current flow, then the fingers will curl in the direction of the magnetic field.
B) If the compass were placed at points B and C, the direction in which it would point would depend on their distance from the wire and the direction of the current flow. If the wire is above the points and the current is flowing towards the reader, then the compass will point towards the left. If the wire is below the points and the current is flowing away from the reader, then the compass will point towards the right. These directions can also be determined using the right-hand rule.

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Answer:

Elastic potential energy

Explanation:

Answer:

elastic energy

Explanation:

I believe the answer is Justine, correct me if I’m wrong.

Answer:

Because they are in places that may be extremely cold

Explanation:

For example take Mount Everest. This place is a very high mountain, and is very cold. Usually hikers would get a frost bite from how cold it is in there. According to google, "Frostbite is an injury caused by freezing of the skin and underlying tissues."

Explanation:

Density=mass/volume

Density=7.5/2.5

density=3g/cm^3

The density of a 2.5-cm3 glass marble that has a mass of 7.5 g is 3g/cm^3.

The density of a material is the measure of how tightly it is packed together. It is expressed as mass per unit volume.

Density Symbol: D or Density Formula: = m/V, where is the density, m is the object's mass, and V is the object's volume.

Density is the amount of "stuff" in a given amount of space. A block of the heavier element lead (Pb), for example, will be denser than a block of the softer, lighter element gold (Au). A Styrofoam block is less dense than a brick. It is expressed in terms of mass per unit volume.

Density = mass / volume

Density = 7.5 / 2.5

density = 3g/cm^3

Thus, The density of a 2.5-cm3 glass marble that has a mass of 7.5 g is 3g/cm^3.

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Ridge push refers to the pressure exerted by the excess height of the mid-ocean ridge, while Slab pull refers to the force exerted by the weight of the subducted slab on the plate it is attached to.

The two forces that form mid-ocean ridges are ridge-push and slab pull.

Ridge push refers to the pressure exerted by the excess height of the mid-ocean ridge.

Slab pull refers to the force exerted by the weight of the subducted slab on the plate it is attached to.

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According to Newton's third law of motion, the reaction force exerted by the air on the balloon is equal in magnitude but opposite in direction to the action force exerted by the balloon on the air.

Given that the magnitude of the action force (F_balloon) is -3 N, the magnitude of the reaction force (F_air) will also be 3 N. The negative sign indicates that the forces are in opposite directions, but when considering magnitudes, we ignore the negative sign.

Therefore, the magnitude of the reaction force of the air pushing on the balloon is 3 N.

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The explanation about "red balloon will move forward in an accelerating car"  is given below:

Acceleration is a vector quantity that describes the rate at which an object changes its velocity. It is the rate at which the velocity of an object changes in magnitude or direction, or both. In other words, it tells us how quickly an object is speeding up or slowing down. Acceleration has units of meter per second squared (m/s²) and its direction is the same as the direction of the change in velocity.

Bill Nye's claim that an inflated red balloon will move forward in an accelerating car.

And it can be understood through the principles of motion.

When a car is accelerating, its velocity changes, and this creates a force called the "inertial force" that acts in the opposite direction of the acceleration. This force is also referred to as the "fictitious force" or the "centrifugal force."

Hence, the inflated red balloon does move forward in an accelerating car.

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Answer:

1/3

Explanation:

Velocity ratio = distance moved by effort / distance moved by load

When Albert has an impulse of 29-newton seconds and an impact time of 12 seconds. then the force experienced is 2.4166 N

The product of the average applied force and the time for which it is exerted is known as an impulse.

the mathematical relation for impulse is

Impulse  = F * Δt

where F represents the force applied and Δt represents the time for which the force is applied

As given in the problem Albert has an impulse of 29-newton seconds and an impact time of 12 seconds

By using the formula for impulse

Impulse  = F * Δt

By substituting the respective values in the formula

29 = F×12

F = 2.4166 N

Thus, when Albert has a 29-newton-second impulse and a 12-second impact time. then 2.4166 N of force was applied.

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More work is done when one man lifts the weight using a pulley. Option C is correct.

Mechanical advantage is a measure of the ratio of output force to input force in a system, it is used to obtained efficiency of  forces in levers and pulley.

It is an effective way of amplify the force in simple machines like lever  The theoretical mechanical advantage is defined as the ratio of the force responsible for the useful work in the system  to the applied force.

More work is done when one man lifts the weight using a pulley. With the pulley, the mechanical advantage is increasing.

Hence, option C is correct.

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Answer:

36.6226 km/h

Explanation:

The correct answer is Option C. When two objects are near each other, the gravitational force of each object will influence the other.

Increasing one object's mass would affect the gravitational force between the two objects.

Gravitational force is determined by the mass of the objects and the distance between them.

Therefore, as the mass of one object increases, the gravitational force between the two objects will also increase.

This can be demonstrated by the formula F=Gm1m2/r^2 where F is the gravitational force, G is the gravitational constant, m1 and m2 are the masses of the two objects, and r is the distance between them.

The shape of the object would not change, nor would the weight of the object decrease.

Weight is a measure of the force of gravity on an object, and it is calculated using the equation W=mg, where W is weight, m is mass, and g is the acceleration due to gravity.

Since g is a constant, increasing the mass of an object would not change its weight.

Furthermore, the mass of an object is not stronger than gravity.

Gravity is a fundamental force of nature that exists between any two objects that have mass.

It is a force that pulls objects toward each other, and its strength depends on the masses of the objects and the distance between them.

In conclusion, increasing the mass of one object would increase the gravitational force between two objects.

This would not affect the shape of the object nor would it change the weight of the object.

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Increasing an object's mass primarily increases the gravitational force that the object exerts, according to Newton's Law of Universal Gravitation. This means the object has a stronger gravitational pull, affecting how it interacts with other objects.

When two objects are near each other, increasing one object's mass primarily affects the gravitational force that the object exerts. According to Newton's Law of Universal Gravitation, the gravitational force between two objects is proportional to the product of their masses. Hence, if the mass of one of the objects increases, the gravitational force it exerts also increases while its shape remains the same.

This translates to the idea that with a larger mass, an object has a stronger gravitational pull, both towards other objects and from other objects toward it. Note that increasing an object’s mass does not make its mass 'stronger than gravity', as gravity is an effect of mass, not a separate force that mass must compete with. In summary, an increase in mass increases the gravitational force, affecting how the object interacts gravitationally with other objects.

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Answer: Bunsen Burner

Explanation:

A Bunsen burner is a gas-powered laboratory appliance used to heat substances. The correct answer is the Bunsen burner.

It is made comprised of a metal tube that is connected to a gas source, allowing for regulated gas combustion to create a flame.

For various scientific uses, such as heating test tubes, boiling liquids, or doing experiments that need regulated heating, the flame created by a Bunsen burner can be adjusted to offer varied levels of heat intensity.

Chemistry labs frequently contain bunsen burners, which are necessary equipment for many chemical investigations and operations.

Therefore, A Bunsen burner is a gas-powered laboratory appliance used to heat substances. The correct answer is the Bunsen burner.

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The complete question is:

What is a device used to heat chemicals which is powered by gas?

Answer:

Data given.

focal length (f)=15m÷2=7.5m

Distance of the object(U)=10m

Image distance (v)=?

Magnification (M)=?

Solution:

From:

1/f=1/u+1/v

1/7.5=1/10+1/v=75

then v=75m

Magnification, M=u/v

=75/10=7.5

Then magnification=7.5

Answer:

v = 30 m and m = 3

Explanation:

Given that,

The radius of curvature of the mirror, R = 15 m

Focal length, f = 7.5 m

Object distance, u = -10 m

We need to find the image distance and the magnification of the object.

Using mirror's formula,

\(\dfrac{1}{v}-\dfrac{1}{u}=\dfrac{1}{f}\\\\\dfrac{1}{v}=\dfrac{1}{f}+\dfrac{1}{u}\\\\\dfrac{1}{v}=\dfrac{1}{(7.5)}+\dfrac{1}{(-10)}\\\\v=30\ m\)

The magnification of the object in mirror is given by :

\(m=\dfrac{-v}{u}\\\\m=\dfrac{-30}{-10}\\\\m=3\)

So, the distance of the image from the mirror and the magnification of the object are 30 m and 3 respectively.

Answer:

1)

Acceleration (a)=change in velocity/ change in time

Velocity (v)=90m/s

Time=0.0005s

a=90/0.0005

The acceleration =180000m/s^2 or 180km/s^2

Force = mass x acceleration

m=40g= 0.04kg

F= 0.04x 180000

F= 7200N or 7.2kN

Explanation:

Answer:

When the sun shines onto a solar panel, energy from the sunlight is absorbed by the PV cells in the panel. This energy creates electrical charges that move in response to an internal electrical field in the cell, causing electricity to flow.

The electric energy used by the hairdryer is 1080000 J

Energy is the ability or the capacity to perform work.

To calculate the electric energy used by the hairdryer, we use the formula below.

Formula:

Where:

make E the subject of the equation

From the question,

Given:

Substitute these values into equation 2

Hence, The electric energy used by the hairdryer is 1080000 J

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