a ship travels from savannah georgia to lisbon spain at a rate of 27.6 miles/hour. if the distance covered is 3982 miles how long did the trip take

The potential energy  and kinetic energy of the bowling ball are 2,205 J and 37.5 J respectively.

The bowling ball at the given position and speed possess gravitational potential energy and kinetic energy.

The potential energy  and kinetic energy of the bowling ball is calculated as follows;

P.E = mgh

where;

P.E =  (3 x 9.8 x 75 )

P.E = 2,205 J

The kinetic energy of the bowling ball is calculated as;

K.E = ¹/₂ mv²

where;

K.E = ¹/₂ ( 3 ) x (5²)

K.E = 37.5 J

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Answer:

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Explanation:

Answer:

B

Explanation:

IM PRETTY SURE it is B

The scientist should use a barometer to learn more about the movement of air. A barometer is a scientific instrument that measures the pressure of air in a particular environment.

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Answer:

The correct option is A

Explanation:

Buoyancy can be described as the upward force that causes an object to float on water. When the buoyant force of a liquid is greater than the weight of an object, the object will move to the surface of the liquid and float (because the buoyant force would be able to push it upwards). If the buoyant force is lesser than the weight of the object, the object will sink (because the buoyant force would not be able to push the object upwards). And when the buoyant force and weight of an object cancel out, the object would be suspended at the depth that this occurs.

Thus, from the explanation above, it can be deduced that for an object to float, buoyant force must be greater than weight of the object. Thus, the correct option is A.

An object will float on a fluid when the buoyant force acting on the object is equal to the weight of the object. This condition is described by option C: Buoyant force equals weight.

When an object is placed in a fluid, it experiences an upward force called the buoyant force. The buoyant force is a result of the pressure difference between the top and bottom surfaces of the object. It depends on the density of the fluid and the volume of the object submerged in the fluid.

For an object to float, the buoyant force must be equal to the weight of the object. If the buoyant force is greater than the weight, the object will experience a net upward force and will rise to the surface. In this case, the object will not remain floating, but rather float upwards.

If the buoyant force is less than the weight, the object will experience a net downward force and will sink in the fluid. The object will not float but instead submerge into the fluid.

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Answer:

they are equal and act in opposite directions

Explanation:

newton's third law of motion states that if object A exerts a force on object B, then object B will exert an equal but opposite in direction force.

hope it helps, I think my response was late,

Hey,

If we assume that the horse is pulling a cart on a horizontal support AB (of mud).

Then,

\(\sum\overrightarrow{F_{AB}}= ||\overrightarrow{F}|| \times AB = 250 \times 10= 2,50 \times 10^3 J\)

But maybe it's reasonable to download the image, if you can.

By considering the principles of reflection of light particles, we can determine the angle at which the cue ball will approach the other ball after double banking.

To determine the angle at which the cue ball will approach the other ball after double banking, we need to consider the principles of reflection of light particles. Just like a pool ball bounces off the edges of a pool table, a light particle bounces off a mirror at the same angle it approaches the mirror. In this case, the first bank acts as the first mirror, and the second bank acts as the second mirror. Using the given dimensions, we can calculate that the distance from the first bank to the target ball is 4' - 1' = 3'. Since we need to hit the first bank at a point 3 1/3 feet from the cue ball, the angle of incidence (angle between the cue ball's path and the first bank) can be calculated as arctan(3 1/3 / 3) = 55.4 degrees.

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Answer: Justin will have higher level of hemoglobin.

Explanation: athletes have an increased total mass of red blood cells and hemoglobin in circulation.

Answer:

Justin will have higher level of hemoglobin.

Explanation:

The spring stiffness, or spring constant, of the given perfect spring is approximately 137.9623 N/m. This means that for every meter of extension, the spring will exert a force of 137.9623 N.

This value was obtained by applying Hooke's Law and calculating the ratio of the change in force to the change in extension using two data points from the table.

To determine the spring stiffness, we need to calculate the spring constant (k) using Hooke's Law, which states that the force applied on a spring is directly proportional to the extension it undergoes.

Hooke's Law can be represented as F = kx, where F is the applied force and x is the extension of the spring.

In the given table, we have the applied forces (F) and corresponding extensions (x). We can use any two data points from the table to find the spring constant.

Let's choose the first and last data points from the table:

(x1, F1) = (0.43 m, 59.34 N) and (x2, F2) = (0.96 m, 132.48 N).

Using Hooke's Law, we can calculate the spring constant (k) as follows:

k = (F2 - F1) / (x2 - x1)
  = (132.48 N - 59.34 N) / (0.96 m - 0.43 m)
  = 73.14 N / 0.53 m
  ≈ 137.9623 N/m (rounded to 4 decimal places)

Therefore, the spring stiffness, or spring constant, is approximately 137.9623 N/m.

Hooke's Law is a fundamental concept in physics that describes the relationship between the force applied on a spring and the resulting extension it undergoes.

The formula F = kx represents this relationship, where F is the applied force, k is the spring constant, and x is the extension of the spring.

By using two data points from the table, we can calculate the spring constant by finding the ratio of the change in force to the change in extension.

This calculation allows us to quantify the stiffness of the spring.
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The  14976.31 revolutions has the drill turned.

What is acceleration?

The rate of change in velocity is known as acceleration. Acceleration typically signals a change in speed, though this is not always the case. Because of the shifting direction of its velocity, an item moving on a circular path at a constant speed is still accelerating.

What is revolutions ?

When two objects orbit one other, there is a revolution. For instance, once every month, the Moon makes its way around the Earth.

Drill is initially  rest ( w₀) = 0

Angular velocity = 814 rad/ s²

time = 4.84 sec

Equation of motion

Ф= w₀t ∝ 1/2∝ t²

where,

∝ = angular acceleration

we want to find no. of revolution which is write as

no.of radiation = distance travelled / 2π

Ф= (0)  ( 4.84) + 1/2 (814) ( 4.84)²=  0+ ( 407) (4.84)²

n= Ф/ 2π = 1534.2192/ 2π= 14916.31

n= 14976.31

Therefore,  14976.31 revolutions has the drill turned.

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Answer:

hanbebdgsgzjbzbsijxbzyuxhzhbz

Explanation:

auhsbsbgsyuahsiixhwgs6

Answer:   Well, think of all the aerosol products that are available: shaving cream, bathroom cleaners, rug shampoo, spray paint, hair spray, insect sprays, room deodorizers, automotive products -- the list goes on.

Answer:

a. He notices that when he kept the compass near the electrical wire with current flowing through it, the compass did not point north; instead, the compass needle pointed in the direction of the current's magnetic field.

b. The bulb did not glow because the current was not sufficient to make it glow.

c. Deflection in the compass will increase further.

Explanation:
hope this helped you :) I am a beginner so i would greatly appreciate a lot if you Mark me as brain list <3

A hydrogen atom is in its ground state (nᵢ = 1) when a photon impinges upon it. The atom absorbs the photon, which has precisely the energy required to raise the atom to the nf = 3 state. (a) The photon's energy that was absorbed is approximately 1.51 eV (negative sign indicates absorption).(b)option B and C are correct.

To determine the photon's energy and the energies of photons that might be emitted when the hydrogen atom returns to the ground state, we can use the energy level formula for hydrogen atoms:

E = -13.6 eV / n^2

where E is the energy of the electron in the atom, and n is the principal quantum number.

(a) To find the energy of the photon that was absorbed by the hydrogen atom to raise it from the ground state (nᵢ = 1) to the nf = 3 state, we need to calculate the energy difference between the two states:

ΔE = Ef - Ei = (-13.6 eV / 3^2) - (-13.6 eV / 1^2)

Calculating the value of ΔE:

ΔE = -13.6 eV / 9 + 13.6 eV

= -1.51 eV

Therefore, the photon's energy that was absorbed is approximately 1.51 eV (negative sign indicates absorption).

(b) When the hydrogen atom returns to the ground state, it can emit photons with energies corresponding to the energy differences between the excited states and the ground state. We need to calculate these energy differences and check which values are present among the given options.

ΔE1 = (-13.6 eV / 1^2) - (-13.6 eV / 3^2) = 10.20 eV

ΔE2 = (-13.6 eV / 1^2) - (-13.6 eV / 4^2) = 10.20 eV

ΔE3 = (-13.6 eV / 1^2) - (-13.6 eV / 5^2) = 12.10 eV

ΔE4 = (-13.6 eV / 1^2) - (-13.6 eV / 6^2) = 12.10 eV

ΔE5 = (-13.6 eV / 1^2) - (-13.6 eV / 7^2) = 13.55 eV

ΔE6 = (-13.6 eV / 1^2) - (-13.6 eV / 8^2) = 13.55 eV

ΔE7 = (-13.6 eV / 1^2) - (-13.6 eV / 9^2) = 13.55 eV

Comparing the calculated energy differences with the given options:

(A) 1.89 eV: This energy difference does not match any of the calculated values.

(B) 12.1 eV: This energy difference matches ΔE3 and ΔE4.

(C) 10.2 eV: This energy difference matches ΔE1 and ΔE2.

(D) 13.6 eV: This energy difference does not match any of the calculated values.

Therefore option B and C are correct.

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Answer:

P = mv

Explanation:

P = Momentum

m = mass

v = velocity

Therefore, P = 10 x 13 = 130 kg • m/s

There are a total of 45 possible outcomes that contain exactly two heads when a coin is flipped 10 times.

To calculate the number of possible outcomes with exactly two heads in 10 coin flips, we can use the concept of combinations. In a single coin flip, there are two possible outcomes: heads or tails. Since there are 10 coin flips in total, the number of possible outcomes is 2 raised to the power of 10 (2^10), which is equal to 1024.

However, we are interested in the number of outcomes that contain exactly two heads. We can think of this scenario as choosing two positions out of the ten flips where the outcome is headed, and the remaining eight positions will be tails.

To calculate the number of ways to choose two positions out of ten, we can use the formula for combinations, denoted as C(n, k), where n is the total number of items and k is the number of items chosen. In this case, n = 10 (total flips) and k = 2 (number of heads).

The formula for combinations is given by: C(n, k) = n! / (k! * (n - k)!)

Plugging in the values, we have C(10, 2) = 10! / (2! * (10 - 2)!) = 10! / (2! * 8!) = (10 * 9) / (2 * 1) = 45.

Therefore, there are 45 possible outcomes that contain exactly two heads when a coin is flipped 10 times.

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There are several possible hypotheses for changing the pitch of sound:

Changing the frequency of the sound wave: The pitch of a sound wave is directly proportional to its frequency. Therefore, changing the frequency of the sound wave will change its pitch.

Changing the length of the vibrating object: The length of the vibrating object has an effect on the pitch of the sound wave it produces. If the length is shortened, the pitch of the sound will increase. Conversely, if the length is lengthened, the pitch of the sound will decrease.

Changing the tension in the vibrating object: The tension in the vibrating object affects the pitch of the sound wave it produces. Increasing the tension will raise the pitch of the sound, while decreasing the tension will lower the pitch.

Changing the density of the medium: The density of the medium through which the sound wave travels can also affect the pitch of the sound. If the medium is denser, the pitch of the sound will be higher, and if the medium is less dense, the pitch of the sound will be lower.

Modifying the sound wave through electronic means: The pitch of sound can be changed electronically by using devices such as equalizers, filters, and pitch shifters. These devices modify the frequency of the sound wave, which changes its pitch.

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Using dry nitrogen or argon is a suitable environment for a Grignard reaction because these gases are inert and do not react with the reagents used in the reaction.

What is the Grignard reaction?

A Grignard reagent is an organometallic compound formed by reacting an organic halide with magnesium metal. A Grignard reaction is a chemical reaction that occurs between an organic halide (R-X) and a Grignard reagent (R'-MgX), forming a new carbon-carbon bond. This reaction is an essential tool in organic synthesis because it can be used to form a wide range of organic compounds.

Nitrogen or argon gas in Grignard reaction:

The reaction is highly sensitive to water, which can quickly destroy the Grignard reagent, and therefore the reaction must be performed under a dry atmosphere. Using dry nitrogen or argon is a suitable environment for a Grignard reaction because these gases are inert and do not react with the reagents used in the reaction. They help to maintain the dry atmosphere required for the reaction to take place without any unwanted side reactions. Additionally, these gases help to prevent the reaction from oxidizing, which can result in the production of unwanted byproducts.

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To position the cable so that it is not under tension, it is necessary to have Train conductors or train drivers.

A person who operates a train, multiple unit, or locomotive is known as a train driver, engine driver, engineman, or locomotive driver. In the United States and Canada, these terms are frequently used to refer to engineers or railroad engineers. The train's mechanical operation, speed, and overall train handling are under the driver's control and responsibility (also known as brake handling). In American English, a hostler (also known as a switcher) moves engines around train yards, but does not take them out on the normal tracks; the British English equivalent is a shunter.

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Answer:

True

Explanation:

Because it is:)

Uniform electric field of magnitude \(1.81 * 10^5 N/C\)pointing upward, away from the ground.

The small object is suspended motionless in a uniform electric field, which means that the electric force on the object is balanced by the force of gravity. We can use the equation for the electric force on a point charge in an electric field to find the magnitude of the electric field:

F = qE

where F is the electric force on the charge q, and E is the electric field. Since the object is motionless, the electric force on it must be equal and opposite to the gravitational force:

\(F_E = F_g\)

qE = mg

m: mass of the object

g: acceleration due to gravity.

Substituting values:

E = \((mg) / q = [(2.6 g) * (9.8 m/s^2)] / (14 microC)\)

μC: microcoulombs.

Use conversion factor:

\(1 microC = 10^(-6) C\)

\(E = 1.81 * 10^5 N/C\)

Electric field magnitude is \(1.81 * 10^5 N/C\), and its direction is perpendicular to the ground, which is the direction of the force on the charge. The charge on the object is negative, so the direction of the electric field is opposite to the direction of the force on a positive charge. Therefore, the electric field points upward, away from the ground.

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Answer:

B: Cardio is really to improve your circulatory and etc while strength that's common sense  

Explanation:

Answer:

B

Explanation:

Answer:

When boiling water, the temperature of molecules within the water increases    

Explanation: and they slowly begin to move at a rapid rate, upwards. ... The hot water molecules become less dense, and they rise above the denser cooler molecules. This movement of molecules creates convection currents.

The same.

for 50 kg sack

P1 = mgh / t = 50 * 2 g /t = 100 g/t

for 25 kg sack

P2 = 25 * 4 g/t = 100 g/t

11. PE = mg h = 8* 9.8* 12 = 940.8 J

12. Workdone = Fd = 45 * 2 = 90 J

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The power expended in raising the 50-kg sack is 90 J when both a 50-kg sack is lifted 2 meters from the ground and a 25-kg sack is lifted 4 meters in the same time.

for 50 kg sack

P1 = mgh / t

= 50 * 2 g /t

= 100 g/t

for 25 kg sack

P2 = 25 * 4 g/t

= 100 g/t

PE = mg h

= 8* 9.8* 12

= 940.8 J

Workdone = Fd

= 45 * 2

= 90 J

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SWOT Analysis: Apple Inc. has a strong brand image and innovative product portfolio, but faces challenges such as high product prices and intense competition.

PESTEL Analysis: Apple Inc. is influenced by global political stability, economic conditions, changing consumer preferences, rapid technological advancements, environmental sustainability practices, and legal regulations.

Porter's Five Forces Analysis: Apple Inc. faces moderate threats of new entrants and supplier bargaining power, high buyer bargaining power and threats of substitute products, and intense competitive rivalry.

Value Chain Analysis: Apple Inc.'s value chain includes primary activities like logistics, operations, marketing, and support activities such as procurement, technology development, and human resource management.

SWOT Analysis of Apple Inc.:

PESTEL Analysis of Apple Inc.:

Porter's Five Forces Analysis of Apple Inc.:

Value Chain Analysis of Apple Inc.:

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Answer:

D, D, A, C, D

Explanation:

Answer:A

Explanation:because the smallest measurement is nearest to millimeter so on choose A. 0.7m is the small.

Big has no cause of action against Temper. In this scenario, while Temper may have made a verbal threat and raised his fists in a confrontational manner, there is no indication that he physically touched or harmed Big.

Assault refers to the act of intentionally causing apprehension or fear of imminent harmful or offensive contact. Battery, on the other hand, involves the intentional and harmful or offensive physical contact with another person without their consent.

In this case, Temper's actions may constitute assault due to the verbal threat and raising his fists, creating an atmosphere of fear or apprehension. However, since no physical contact or harm occurred, battery is not applicable. Therefore, the appropriate response is option d: Big has no cause of action against Temper.

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