The graph shows distance versus time for an object.



Which of the following correctly describes the object's motion?
The object is moving with increasing acceleration.

The object is moving with constant acceleration.

The object is moving with increasing velocity.

The object is moving with constant velocity.

a) magnitude of the magnetic field = 8.02 X [tex]10^{-3}[/tex] T

b)Energy Density = 5.03 J/[tex]m^{3}[/tex]

c) Total magnetic energy inside the solenoid = 2.01 X [tex]10^{-5}[/tex] J

Calculation

a) B = uNI/L

B = (4π X [tex]10^{-7}[/tex])(37)(1.15)/(.015)

B = 8.02 X [tex]10^{-3}[/tex] T

b) Energy Density = [tex]B^{2}[/tex]/2u

Energy Density = [tex](8.02 *10^{-3} )^{2}[/tex]/(2)(4π X [tex]10^{-7}[/tex])

Energy Density = 5.03 J/[tex]m^{3}[/tex]

c) Total magnetic energy inside the solenoid

Multiply by volume for total energy.

Total Energy = 5.03(π[tex]r^{2}[/tex])(L)

Total Energy = (5.03)(π)[tex](8.5*10^{-3})^{2}[/tex])(.015)

Total Energy = 2.01 X [tex]10^{-5}[/tex] J

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a)The  magnitude of the magnetic field [tex]$=\mathbf{8 . 0 2} \times 10^{-3} \mathbf{T}$[/tex]

b)The  Energy Density [tex]$=\mathbf{5 . 0 3} \mathrm{J} / \mathrm{m}^3$[/tex]

c) Total magnetic energy inside the solenoid [tex]$=\mathbf{2} . \mathbf{0 1} \mathbf{X} 10^{-5} \mathbf{J}$[/tex]

a) [tex]$B=u N I / L$[/tex]

[tex]&B=\left(4 \pi \times 10^{-7}\right)(37)(1.15) /(.015) \\[/tex]

[tex]&B=8.02 \times 10^{-3} \mathrm{~T}[/tex]

b) Energy Density[tex]$=B^2 / 2 \mathrm{u}$[/tex]

Energy Density[tex]$=\left(8.02 * 10^{-3}\right)^2 /(2)\left(4 \Pi \times 10^{-7}\right)$[/tex]

Energy Density [tex]$=5.03 \mathrm{~J} / \mathrm{m}^3$[/tex]

c) Total magnetic energy inside the solenoid

Multiply by volume for total energy.

Total Energy [tex]$=5.03\left(\pi r^2\right)(\mathrm{L})$[/tex]

Total Energy [tex]$\left.=(5.03)(\pi)\left(8.5 * 10^{-3}\right)^2\right)(.015)$[/tex]

Total Energy [tex]$=2.01 \times 10^{-5} \mathrm{~J}$[/tex]

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The gravitational force acting on 25000 kg mass at a given location is 2.45 × 10⁵ N.

Gravity can be described as an attractive force on a body towards the center of the earth. Every object having mass applies some force or gravitational pull on another object having mass. Gravity is responsible for the planets in orbit around the sun.

Given, the mass of the object, m = 25000 Kg

The acceleration of gravity at Hartford, Connecticut, g =9.80336 m/s²

The gravitational force acting on the given mass at this location is given by:

F = mg

F = 25000 Kg × 9.80336 m/s²

F = 245084 N

F = 2.45 × 10⁵ N

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The given images are labelled as either element, compound, mixture of elements or mixture of compounds accordingly.

The answers are marked according in order of the images as follows:

If there are only single type of atoms present without being in contact with another atom, it is called as elements. If one atom is in contact with another atoms it is a compound. If there are more than one type of element, it is a mixture of elements. If there are more than one type of compound, it is a mixture of compounds.

Therefore, the given images are labelled as either element, compound, mixture of elements or mixture of compounds accordingly.

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the submarine's acceleration is 0.95  m/sec²

Total force on submarine   =    14848 -  (1571 * 9.8 + 947)

                                          =   -1494.8  N

=>    submarine's acceleration  =  F/m

                                                 =    1494.8/1571

                                                =  0.95  m/sec²

acceleration is the rate of change in both speed and direction of velocity over time. When something moves faster or slower in a straight line, it is said to have been accelerated. Because the direction is constantly shifting, motion on a circle accelerates even when the speed is constant. Both effects add to the acceleration for all other types of motion.

It is a vector quantity because acceleration has both a magnitude and a direction. Another vector quantity is velocity. The velocity vector change over a given period of time, divided by that period of time, is the definition of acceleration. The upper limit of the ratio of velocity change provides instantaneous acceleration (at a specific time and place).

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The thermal energy of the box which is pulled with a force of 250 N to a distance of 10 meters is 2500 J

The force to pull the box = 250 N

The box is moved to a distance of 10 meters

The thermal energy can be found using the formula,

                    W = F x d

where W is the thermal energy

           F is the Force

           d is the distance moved

Let us substitute the known values in the above equation, we get

                      W = 250 x 10

                          = 2500 J

Therefore, the thermal energy of the box is 2500 J

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The statement that best shows that waves can carry energy is option d: light shining through some trees makes shadows.

A sound wave is the pattern of disruption brought on by the movement of energy moving through a medium as it propagates away from the source of the sound (such as air, water, or any other liquid or solid matter). Pressure waves are produced when an object vibrates, such as a ringing phone, and these waves are known as sound waves.

Therefore, note that the energy of a sound wave is transferred through particle contact. A vacuum cannot be traversed by a sound wave. Sound is now a mechanical wave as a result.

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The potential difference measured if the given voltmeter is used and connected to the circuit via the 3V terminal is 1.4 V.

The reading of voltmeter is taken for the row with 0, 1, 2 and 3 values. Each  line indicates 0.1 volts. The distance between each smaller lines indicates 0.2 volts and the distance between each longer lines indicates 0.2 volts.

A voltmeter is a device used to measure the potential difference between two points in a circuit. Potential difference is also called as voltage. Its unit is volts.

V = IR

V = Voltage

I = Current

R = Resistance

Therefore, the potential difference measured is 1.4 V

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The maximum voltage that can be applied to the whole network is 39.46V.

The explanations given here are that Power equals current times Voltage (P=VxI), Voltage equals Power divided by current (V=P/I), and current equals Power divided by Voltage (I=P/V).

Power and Voltage:

The equation for the relationship between power, resistance, and voltage is

P = V²/R

P is for power,

R stands for resistance,

and V for voltage.

Given that the resistors

V = [tex]\sqrt{PR}[/tex]

Consequently, the maximum voltage for the 2.8k resistor will be:

V = [tex]\sqrt{(0.2)(2800)}[/tex]

V = 23.66V

The maximum voltage for the 2.1k resistor will be similar:

V = [tex]\sqrt{(0.2)(2100)}[/tex]

V = 20.49V

This is lower than the 2.8k resistor's maximum voltage.

The voltage between the 2.8k and 2.1k resistors must be same because they are connected in parallel.

The highest voltage that can be applied across this parallel configuration is 20.49V since a voltage of 23.66V would be too high for the 2.1k resistor to handle.

Similarly, the voltage drop across the series-connected 1.8 k resistor is:

V = [tex]\sqrt{PR}[/tex]

V = [tex]\sqrt{(0.2)(1800)}[/tex]

V = 18.97V

Consequently, the highest voltage that can be used over the entire network is

20.49V + 18.97V = 39.46V

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5j-5i is her resultant displacement.

velocity in east= 5i

velocity in west=5j

resultant magnitude=√5i+√5j

displacement =5j-5i

Displacement is the shortest distance, but distance is the length of everything covered. A vector quantity with a magnitude and a direction is displacement. The vector (or straight line) separation between an initial and final position is described by this term. Therefore, all that is needed to determine the resulting displacement is to know these two positions.

Calculate the inverse tangent of the ratio of the components of the displacement in the y- and x-directions to find the direction of the displacement vector.

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Option B. Can be charged to full capacity by using a special dealer-only high-voltage charger.

Voltage is the strain from an electrical circuit's energy source that pushes charged electrons (modern-day) through and engages in the loop, allowing them to do paintings inclusive of illuminating light. In quick, voltage = strain, and it's far measured in volts (V).

Voltage, also called an electric-powered strain, electric-powered anxiety, or ability distinction is the difference in electric-powered capacity between two factors. In a static electric field, it corresponds to the work needed in step with a unit of charge to move a take a look at the rate among the 2 points.

Voltage, also called electromotive force, is absolutely electricity consistent with unit fee. In different phrases, voltage is the difference in electric-powered capacity among factors. contemporary is just the rate of drift of electrical fee.

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Disclaimer:- your question is incomplete, please see below for the complete question.

how many high-voltage cables supply electrical power to the hv components at the front of the vehicle?

A. Using the ICE to turn the motor/generator to fully charge the HV battery

B. Can be charged to full capacity by using a special dealer-only high-voltage charger

C. Operating the ICE at idle after returning from a trip

The  thing that affects the amount of potential energy stored in the magnetic field when a magnet is moved against a magnetic force is by the strength of the magnet as well as the distance that another magnet or magnetic object is said to be from it.

Potential energy between two magnets will depend on their orientation as well as their proximity to one another and their distance from one another. If the opposing poles are kept apart, the potential energy will increase with increasing distance and decrease with increasing proximity.

More energy is transferred to the magnetic field when an object is moved against a stronger magnetic force. Near magnets, magnetic forces are stronger.

Therefore, The power of the magnet and the separation from other magnets or magnetic objects have an impact on how much potential energy is held in the magnetic field.

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1)

Circular Motion

2)

No; the direction changes.

3)

Velocity. Gravitational Pull. Force/Twist. Acceleration.

4)

The weight of the object, gravity pulling on it. The kinetic energy produced by you which caused acceleration in a certain vector direction. Location of the object.

In the first step in the proton-proton chain, the positron gets rapidly converted to energy when it meets a standard electron, leading to matter-antimatter annihilation.

The positron is an antiparticle or antimatter counterpart of the electron. It persists an electrical charge of +1e, a spin of 1/2, and a mass identical to the mass of the electron. When a positron collides with an electron, destruction occurs. If this collision is at low energies, it leads to the production of two or more photons. They're created by radioactive decay or by the pairing of two protons at high energies.

The proton-proton chain is a nuclear fusion. The proton-proton fusion is initiated only when the kinetic energy of the proton is high enough to undergo the electrostatic repulsion.

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When you hear a loud sounds at 900 Hz and look up to see a bird diving frequency you, the bird is moving at a speed of 38.12 meter's per second (m/s). Knowing the species of bird and that their frequency.

When this frequency range is overused, the result might be honky or nasal. The teacher from the Charlie B. series serves as this range's audio guide.

Auditory identification of birds can be done by birders who are familiar with the various bird speed. A keen birder might start looking for nearby birds of prey after hearing an alarm cry, whereas someone who hears speed a begging call would start looking for a nest that is well-hidden.

f1=f(V+Vo/V-Vs)\s900/800=(343/343-Vs)

V=38.12 m/s

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The sun's intensity for an outer planet located at a distance 6r from the sun is 5.55 W/m². The result is obtained by using the inverse square law formula.

The Inverse Square Law formula describes the intensity of light is inversely proportional to the square of the distance. It can be expressed as

[tex]\frac{I_{1} }{I_{2} } = \frac{d_{2}^{2} }{d_{1}^{2}}[/tex]

Where

Given the case the sun's intensity is 200 W/m² for an inner planet at the distance r. If an outer planet is at a distance 6r, what is the sun's intensity?

By using the inverse square law formula, the sun's intensity for an outer planet is

[tex]\frac{I_{1} }{I_{2} } = \frac{d_{2}^{2} }{d_{1}^{2}}[/tex]

[tex]\frac{200 }{I_{2} } = \frac{(6r)^{2} }{r^{2}}[/tex]

[tex]\frac{200 }{I_{2} } = \frac{36r^{2} }{r^{2}}[/tex]

[tex]I_{2} = \frac{200} {36}[/tex]

I₂ = 5.55 W/m²

Hence, the sun's intensity for a planet at a distance 6r from the sun is 5.55 W/m².

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Orthographic projection enables you to notice the surfaces and edges more clearly.

Means of representing three-dimensional objects in two dimensions is called Orthographic projection.

Orthographic views helps us to represent a 3D object in 2D on a drawing. It can show an object viewed from each direction.

An orthographic projection has three views:  front view, top view and side view. The right side is used for the side view but if the left side is used then it will be clearly labeled in the drawing. The final drawing is known as a 3 view drawing.

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The person can jump 6 times higher on the moon compared to Earth.

The maximum height an object can Jump is the height vertical displacement of the object during an upward motion.

Mathematically, the maximum height an object can jump is given as;

H = u²sin²θ/2g

where;

When a person moves to the moon, the acceleration due to gravity becomes ; ¹/₆

The new height the object can jump is calculated as follows;

H = u²sin²θ/(2 x ¹/₆g)

H = 6( u²sin²θ/2g)

Thus, the person will jump higher on the moon due to lesser acceleration due to gravity.

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The forces applied on the bucket are tension and gravitational.

What is the gravitational force?

According to Newton’s gravitational law, it is the force exerted due to attraction between two objects that is directly proportional to the product of their masses and is inversely proportional to the square of distance between them.

The force applied to the bucket containing water is gravitational force. The gravitational force acts in downward direction and there is no change in the state of motion. There is another force as well which is the muscular force by which we hold the bucket in the upward direction with the help of our muscles. Tension is also exerted on the bucket as this force is seen in existence when any object is being pulled up with the help of string or rope. It is always seen in the direction which is parallel to the rope.

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To known about all the answers, we first known about the photon and wavelength concept.

What is a photon?

A tiny energy packet of electromagnetic radiation is called a photon, referred to as a light quantum. Albert Einstein proposed the existence of discrete energy packets during the transmission of light in his 1905 description of the photoelectric effect, which gave rise to the photon concept.

What is wavelength?

A waveform signal's wavelength is the separation between two identical points (adjacent crests) in adjacent cycles as the signal travels through space or along a wire. This length in wireless systems is typically specified in meters (m), centimeters (cm), or millimeters (mm).

a)  Distance between the earth and the sun is

   1.5*10^N

Speed of photon = 3*10^8m|s

Time= distance/speed

   = 1.5*10^11m/3*10^8m|s

   = 0.5*10^3 second

   = 500 sec

  = 8.3 minutes.

b) energy of the photon is given by

E=hc/⋋

h= planks constant – 4.14* 10^15 eVs

c= Speed of light- 3*10^8 m/s

⋋= 558 nm= 558* 10^9 m

E= 4.14* 10^15 eVs* 3*10^8 m/s /558* 10^9 m

E= 2.23 eV

c) Wavelength color

495–570 nm for green. 570–590 nm for yellow. Orange (590–620 nm). Red: 620-750 nm

d) Let the wavelength be ⋋

We know E=hc/⋋

1 eV= 4.14*10^-15 eVs* 3*10^8m/s/⋋

⋋ = 12.42*10^-7m

⋋ = 1242 nm.

Therefore, Distance between the earth and the sun is 8.3 minutes. Energy of the photon is given by 2.23 eV. Wavelength color is green or yellow. The wavelength be ⋋ is 1242 nm.

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Saturn radiates even more excess energy than Jupiter Helium rain gives off heat as it differentiates toward Saturn's center. Option B.

Its density is so low that it floats on water. Like Jupiter, Saturn emits almost twice as much energy as it receives from the Sun. This is because it has its own internal heat source driven by the slow gravitational collapse that began with the planet's formation. The Jupiter planet draws heat from the Sun and from within.

Jupiter produces a lot of internal heat and emits thermal radiation to release this heat. In fact, Jupiter produces so much internal heat that it emits almost twice as much energy as it receives from the Sun. Hydrogen exists in a liquid metallic state around the central rocky core and surrounds the inner half of the planet. Compared to Jupiter, Saturn's mass and volume consist of this conductive metallic liquid which may partly explain why Saturn's magnetic field is much weaker.

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The force would have to work on the block till a distance of 15.66m farther to have 56 joules of kinetic energy.

The work done is given by the product of the force applied and the distance covered along the direction of force.

So we can write,

W = F.s

Where w is the work done if is the force and S is the distance covered.

According to work energy theorem, the work done is equal to the change in kinetic energy.

The force applied in this case is 3 Newton and the body has no till a distance of 3m. Let us assume that the block is moved till a distance x in order to achieve a kinetic energy of 56 joules.

So, it can be written,

3(3+x) = 56

Solving,

9+3x = 56

3x = 47

x = 15.66 m.

So, it is required to move the body by a distance of 15.66 m.

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Question:

Which is an outer planet in our solar system?

Answer:

B. Jupiter

Answer: Jupiter

Explanation: As its situated outside the asteroid belt

A vector quantity has magnitude, units, and direction. So, the first option is correct.

A vector quantity, in physics, is a quantity that has both magnitude and direction. A vector with the value of magnitude equal to one is called a unit vector.

For example, a man is driving a car with a velocity of 90 km/hr in a northeast direction. Then, as we see for defining the velocity, we need two things, i.e. the magnitude of the velocity and its direction. Therefore, it represents a vector quantity. Other examples of vector quantities are displacement, acceleration, force, momentum, weight, the velocity of light, a gravitational field, current, and so on.

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Answer:

(Question) Which quantity is scalar?

(Answer) Energy

(Question) Which option describes a vector quantity?

(Answer) It has magnitude, units, and direction.

(Question) A sailboat ends up 7 miles to the west of a pier. Which statement is true about this situation?

(Answer) It describes displacement, which is a vector quantity.

(Question) Which statement is true regarding a distance vs. time graph?

(Answer) The graph should show distance on the vertical axis.

(Question) On a distance vs. time graph for an object, a line segment that is sloping upward indicates

(Answer) motion in the positive direction.

Explanation:

just did the quick check, enjoy UwU

double the luminous flux of the light source is a way to exactly double the illuminance on an object.

The electromagnetic radiation that the human eye perceives as light, or visible light, is found in the region of the electromagnetic spectrum. Typically, visible light is characterized as having wavelengths between 400 and 700 nanometers (nm), or frequencies between 750 and 420 terahertz, which are intermediate between the infrared and ultraviolet (with longer wavelengths) (with shorter wavelengths).

The term "light" can be used more generally in physics to refer to electromagnetic radiation of any wavelength, whether or not it is visible.

This makes gamma rays, X-rays, microwaves, and radio waves also constitute light. Intensity, the direction of propagation, frequency or wavelength spectrum, and polarization make up the fundamental characteristics of light. One of the basic constants of nature is its speed in a vacuum, 299 792 458 meters per second (m/s).

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Answer:

Grandma will arive [tex]\frac{1}{2}[/tex]hr later

Explanation:

[tex]s=20\\d=210 mi|\\ s=70 mi|h \\ \\ \frac{60}{1} =\frac{210}{+} = 3.5 hrs[/tex]

The answer is True

When we do not have  the numerical value of mass.

The answer is False
By choosing a value of hanging mass it becomes false.

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In order to reconstruct a complex wave from its fourier spectrum, we must obtain the phase of each harmonic other than amplitudes of the harmonics.

The phase of each harmonic is needed because it tells you exactly where in time the harmonic will occur.

For example, if a wave has a frequency of 100 Hz, and you know that the phase of each harmonic is regularly spaced by 1 radian (180 degrees), then you can use this information to determine when each harmonic will occur. You can do this by dividing 360 degrees by the frequency and multiplying by 2 pi.

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Answer:Physical

Explanation:

Answer:

physical change

Explanation:

Making a fruit salad, with raw fruits is considered as physical change because in this process chemical composition of fruits is not changed. It is simply changing the shape of the substance.

a) Mass of displaced water is 41.4 g or 0.0414 kg

b) Volume of the bone is 41.4 mL or 41.4 × 10⁻⁶m³

c) Average density of the bone is 1.09 g/ mL or 0.00109 × 10⁻⁶ Kg /m³

In the given question we have, the weight of some bird bones is measured in air outside of some water and the weight is 45.0 grams and the apparent weight in water is 3.60 grams. Now, we shall find out the weight of the displaced water? So the buoyant force is this difference between the weight of the bones out of the water and in the water, so the weight out of the water times g minus the weight in the water times g and then the g can be factored in and the buoyant force is also equal to the weight of the displaced fluid from Archimedes' principle

i.e., 45 × g - 3.60× g = weight/ mass of displaced water

weight of displaced water = 41.4 × g

g× mass of displaced water = 41.4 ×g

=> mass of displaced water = 41.2 grams

a) Mass of displaced water = 0.0414 Kg

b) the volume of the bones is going to be equal to the volume of water displaced.

We know that the density of water is the mass of water displaced divided by the volume of water. So the volume of water displaced is the weight of the water displaced divided by the density of the water.

Volume of water displaced = 41.4 grams / density of displaced water

density of water displaced = 1 grams / milliliters

So, the density of water is 41.4 milliliters or 41.4 ×10⁻⁶ m³

c) The average density of the bone is the weight of the bone divided by its volume,

Average density of bone = 45 grams / 41.4 mililitres

so it's value is 1.09 grams per milliliter or 0.00109 × 10⁻⁵ m³

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The final speed of the car and minivan is 17.95 m/s

The mass of the car = 950 kg

The speed of the car = 22 m/s

The mass of the minivan = 1300 kg

The speed of the minivan = 15 m/s

The final speed of the car and minivan can be found using the conservation of momentum formula,

                 [tex]\displaystyle m_{1}v_{i1 } + m_{2}v_{i2} = m_{1}v_{f1} + m_{2}v_{f2}[/tex]

where [tex]\dispplaystyle m_{1}[/tex] is the mass of the car

           [tex]\dispplaystyle m_{2}[/tex] is the mass of the minivan

           [tex]\dispplaystyle v_{i1}[/tex] and [tex]\dispplaystyle v_{i2}[/tex] is the initial speed of the car and minivan respectively.

          [tex]\dispplaystyle v_{f1}[/tex] and [tex]\dispplaystyle v_{f2}[/tex] is the final speed of the car and minivan respectively.

As the two cars move together, they would have the same final speed, i.e.

                    [tex]\dispplaystyle v_{f1} = \dispplaystyle v_{f2} = \dispplaystyle v_{f}[/tex]

Thus, the above equation becomes,

                      [tex]\displaystyle m_{1}v_{i1 } + m_{2}v_{i2} = (m_{1} + m_{2})v_{f}[/tex]

Let us substitute the known values in the above equation, we get

                       (950 x 22) + (1300 x 15) = (950 + 1300) [tex]\displaystyle v_{f}[/tex]

                                  20,900 + 19.500 = 2,250 [tex]\displaystyle v_{f}[/tex]

                                                  40,400 = 2,250[tex]\displaystyle v_{f}[/tex]

                                     40,400 / 2,250 = [tex]\displaystyle v_{f}[/tex]

                                                               = 17.95 m/s

Therefore, the final speed is 17.95 m/s

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