suppose the tension is increased. does a wave take more, less, or the same time to travel from one end to the other?

According to the Skygazer's Almanac for 2022 at 40 degrees, Venus and Saturn will be in opposite parts of the sky on December 17, 2022.

The Skygazer's Almanac provides astronomical information for a specific location and year. In this case, at a latitude of 40 degrees, the almanac indicates that Venus and Saturn will be in opposite parts of the sky on December 17, 2022. This means that Venus and Saturn will appear at opposite sides of the celestial sphere as observed from Earth. However, it's important to note that the almanac's predictions are approximate and can be influenced by various factors, including atmospheric conditions and the observer's specific location. To obtain the most accurate and up-to-date information, it is recommended to consult more recent astronomical sources or use specialized software that can provide precise positions and dates for celestial events.

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Answer:

73.34 mph to 2dp

Explanation:

veolcity = distance/ time

55 / 0.75 = 73.34 mph

1. Heat transfer from a hot burner on the stove into a pot or pan

2. A metal spoon that gets hot from the boiling water

3. Chocolate candy in your hand that melts because of the heat

4. The wires in your house that conduct electricity

5. Roasting marshmallows, the heat will soften the marshmallow

Answer:

the engine heat from a car you just turned on.

a heater

a pad warmer

a hot pot

using a campfire to roast hot dogs

Answer:

An airplane cruising at a level height and a steady speed.

A car going along a straight level road at steady speed.

A vibrating spring in a sewing machine.

A ship steaming on a straight course at steady speed.

A train going along the tracks at steady speed.

Explanation:

Hope this helps :)

Answer:

Examples of Uniform Motions.

The hr. ...

An airplane cruising at a level height and a steady speed.

A car going along a straight level road at steady speed.

A vibrating spring in a sewing machine.

A ship steaming on a straight course at steady speed.

A train going along the tracks at steady speed

Here are some ideas for setting up the barber's salon based on the size of the space and the products available: The wooden chair should be positioned in the middle of the space, facing a wall.

The barber's workspace will be this. The room's other three walls should be covered with the three enormous mirrors. This will give the impression that there is more space present and enlarge the room. The mirrors should be angled to reflect both the client in the chair and the barber's work area. Over the chair, suspend the lightbulb from the ceiling. The barber salon will be able to operate in enough lighting thanks to this.The wooden chair should be positioned in the middle of the space,  The barber can set up a white sheet or a reflecting surface to improve illumination even further.

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The final kinetic energy will it have just before hitting the ground is 5.8755 KJ.

Mass of the ball, M = 40 kg

Height of the ledge, S = 15 m

Initial velocity, u = 0 m/s (at rest)

Using equation of motion we get,

V² = u² + 2aS

V² = 0 + 2 × 9.8 × 15

V² = 294

v = 17.14m/s

kinetic enrgy is calculated as :

E = 1/2 × mass × v²

for initial velocity (u =0) kinetic energy is

E = 1/2 × 40 × 0²

E = 0J

for final velocity (v) kinetic energy is :

E = 1/2 × 40 × (17.14)²

E = 5,875.5 J

E = 5.8755 KJ

The final kinetic energy will it have just before hitting the ground is 5.8755 KJ.

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Answer:

Explanation:

All the work done by the friction force results in a transfer of energy into thermal energy of the box-floor system. This thermal energy flows as heat within the box and floor, ultimately raising the temperature of both of these objects.

Answer:

I think its A

Explanation:

Not 100 percent sure tho but they do go up and down in big movements.

Answer:

B

Explanation:

Answer:

48gk

Explanation:

To find the current in the resistor, we can use Ohm's Law and the concept of equivalent resistance. Thus, option A is correct.

First, let's calculate the equivalent resistance of the three cells connected in parallel. When resistors are connected in parallel, the reciprocal of the equivalent resistance is equal to the sum of the reciprocals of the individual resistances:

1/Req = 1/R1 + 1/R2 + 1/R3

Given that R1 = R2 = R3 = 22 Ω (internal resistance of each cell), we can substitute the values:

1/Req = 1/22 + 1/22 + 1/22

1/Req = 3/22

Taking the reciprocal of both sides, we find:

Req = 22/3 Ω

Now we can use Ohm's Law to calculate the current (I) in the resistor. Ohm's Law states that the current flowing through a resistor is equal to the voltage across it divided by its resistance:

I = V/R

Given that V = 1.1 V (emf of each cell) and R = 32 Ω (resistance), we can substitute the values:

I = 1.1/32

Calculating this value, we find:

I ≈ 0.034375 A

Therefore, the current in the resistor is approximately 0.034375 A.

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Answer:

Kinetic energy= 114.9J

Explanation:

Greetings !

Given values :-

mass= 1.9kg

height=2.6m

velocity= 11m/s

displacement (d)= 0.075m

Required value :-

Kinetic energy (KE)

Solution :-

Firstly, recall the Kinetic energy equation

\(ke = \frac{1}{2} mv {}^{2} \)

substitute known variables into the equation

\(ke = \frac{1}{2} (1.9)(11) {}^{2} \)

solve for Kinetic energy

\(ke = 114.9j\)

Hope it helps!!!

Answer:

I) Name of State of Matter: Solid

a) Property of this State of Matter: Definite shape and volume.

b) Property of this State of Matter: Generally have a higher density.

c) Property of this State of Matter: Diffusion of one solid into another solid is characteristically slow.

II) Name of State of Matter: Liquid

a) Property of this State of Matter: Definite volume but no definite shape.

b) Property of this State of Matter: Vaguely compressible; Barely compressible.

c) Property of this State of Matter: Flow from a higher level to a lower level.

III) Name of State of Matter: Gas

a) Property of this State of Matter: Easily compressible.

b) Property of this State of Matter: Expand to fill containers.

c) Property of this State of Matter: They are able to occupy far more space than liquids or solids.

Answer:

The  theree state of  matter is

1.solid.

2.liquid.

3.gas.

Explanation:

Answer:

Get Hired

Start a business

rent out your house

Sell online

Take surveys

Explanation:

Answer:

1 can be working with a family member and helping them with their work and earning money from that.

2 getting a job that fits your age limit.

3 doing chores around your home.

4 babysitting your siblings or family member and charging a decent fair price.

5 helping with pets or helping around outside

Explanation:

Answer:

Explanation:

Velocity is at its greatest when kinetic energy is at its max which is when all the ball's energy has been transformed from potential energy to kinetic energy which is at the lowest point in its travels (assuming the ball is rolling down a ramp). You have no picture here so this answer is a general one, not a specific one.

Momentum=mass*velocity=40,000*11=440,000 kg m/s.

The word "momentum" is frequently used in sports. A squad that is moving forward and has momentum will be difficult to stop. A team that is genuinely moving forward and gaining momentum will be challenging to stop.

A physics phrase, momentum describes the amount of motion that an item has. The momentum belongs to a sports team that is actively playing. An object has momentum if it is moving or in motion.

The definition of momentum is "mass in motion." Since every item has mass, if it is moving, it must have momentum because its mass is in motion.

Therefore, Momentum=mass*velocity=40,000*11=440,000 kg m/s.

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you need the number of seconds to calculate the distance. I'm assuming that the seconds were written in the question but you forgot to write the here, you can calculate the distance then and find the exact point where the cyclist stopped since you have the circumference. then you can find the angle (after finding the distance he cycled) by subtracting it from 360 since the circular path will have an angle of 360 degrees.

Although your question lacks some data A general answer is provided :

The angle made vertically  = 360° - x°

where x = angle at which the the cyclist stopped

and circumference of the circular path = Total Distance travelled by the cyclist

First step : determine the distance travelled by the cyclist vertically

circumference = 2*π*r

343 = 2*π * r

∴ r = 343 / ( 2π ) = 54.59

therefore distance travelled by the cyclist vertically = 54.59 * 2 = 109.18 m

Given that the time travelled is missing

assuming the angle to the distance travelled by the cyclist before it stopped vertically = 360° - x°  

This is because the Total angle of a circular path = 360°

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The tension in the cable on the right is 550 lbs, and the tension in the cable on the left is also 550 lbs when supporting the 1100-lb weight.

For determining the tension in each cable, consider the given weight of 1100 lbs. Since the weight is supported by two cables, assume that each cable shares an equal portion of the load.

Denote the tension in the cable on the right as \(T_1\) and the tension in the cable on the left as \(T_2\). Since the weight is balanced and the cables are vertical, the total tension in both cables should be equal to the weight.

Therefore, have the equation:

\(T_1 + T_2 = 1100 lbs\)

Since both cables share the weight equally, can set up another equation:

\(T_1 = T_2\)

By substituting the value of \(T_1\) from the second equation into the first equation:

\(T_2 + T_2 = 1100 lbs\\2T_2 = 1100 lbs\\T_2 = 550 lbs\)

Since \(T_1\) is equal to \(T_2\), can conclude that the tension in each cable is 550 lbs.

In conclusion, the tension in the cable on the right is 550 lbs, and the tension in the cable on the left is also 550 lbs when supporting the 1100-lb weight.

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Answer:

The given statement in this question is true. Only liquid refrigerant should enter the metering device.

Answer:

The answer is . A 46.2g

We will have the following:

First, we remember that:

So:

So, the change in length of the rod is approximately 4.41 mm.

The answers are- (a) 2 soft drinks. (b) Uncertain. (c) Not necessarily.

(d) No bliss point. and, (e) Steeper indifference curves.

(a) If Elmo has 4 quarters and 2 dimes in his pockets, he can buy 2 soft drinks. Since each soft drink requires two quarters and a dime, having double the amount of each coin allows him to make two purchases.

(b) Elmo's preferences between dimes and quarters may or may not be convex. Convex preferences imply that as Elmo increases the quantity of one type of money (quarters or dimes), the marginal utility he derives from each additional unit of that money diminishes. If Elmo's preference for soft drinks is based solely on the ability to purchase them and not on any diminishing marginal utility of the coins themselves, then his preferences may not exhibit convexity.

(c) Elmo does not necessarily always prefer more of both kinds of money to less. Given the specific context of the Coke machine, Elmo's only concern is to have the exact change required to obtain a soft drink. As long as he has the necessary combination of two quarters and a dime, having additional coins does not increase his utility further.

(d) Elmo does not have a bliss point in this scenario. A bliss point refers to the combination of goods or factors that maximizes an individual's utility or satisfaction. Since Elmo's sole objective is to purchase soft drinks from the Coke machine, his utility is maximized when he has the exact change required (two quarters and a dime). Having more coins does not enhance his utility beyond being able to buy a single soft drink.

(e) If Elmo had arrived at the Coke machine on a Saturday, with the drugstore across the street open, his preferences would change. Instead of being limited to the specific combination of two quarters and a dime, he could now use any combination of quarters and dimes to purchase as much Coke as he wants at a price of 4 cents per ounce.

In this case, Elmo's indifference curves between quarters and dimes would exhibit a downward slope, indicating that he is willing to trade off some quantity of one coin for a corresponding increase in the other, while still maintaining the same level of utility. The indifference curves would be steeper than the ones in the previous scenario, as Elmo can now acquire more soft drinks by having a larger combination of quarters and dimes.

These new indifference curves reflect Elmo's preference for more quarters and dimes, as they enable him to buy more Coke at the drugstore. The curves demonstrate that Elmo is willing to sacrifice some quantity of quarters to obtain additional dimes or vice versa, as long as the overall combination allows him to maximize the quantity of Coke he can purchase.

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The power exerted by the horse is 1,000 watts, which is equivalent to 1 kilowatt (kW).

To find the work done by the horse and the power exerted, we can use the following equations:

Work = Force x Distance x cos(theta)

Power = Work / Time

where theta is the angle between the direction of the force and the direction of the displacement. Assuming that the force is applied horizontally and the displacement is also horizontal, the angle theta is 0 degrees, so cos(theta) = 1.

Given that the force applied by the horse is 1500 N and the distance moved is 10 m, we can calculate the work done as follows:

Work = Force x Distance x cos(theta)

Work = 1500 N x 10 m x 1

Work = 15,000 J

Therefore, the work done by the horse in pulling the tree trunk is 15,000 joules.

To find the power exerted by the horse, we need to divide the work done by the time taken. Given that the time taken is 15 seconds, we have:

Power = Work / Time

Power = 15,000 J / 15 s

Power = 1,000 W

Therefore, the power exerted by the horse is 1,000 watts, which is equivalent to 1 kilowatt (kW).

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Answer:

do you mean how? if so

Explanation:people used newspapersand still kinda do back then they had posters up as they still do and newspapers

W = fd means that the work is equal to the force f times the distance d. The work is W = fd cosФ if the force is applied at an angle of Ф to the displacement.

Work is a unit of energy that is generated when a force is applied to the body and the body is moved. The Joule is the SI unit of work.

A displacement and the force that triggered it are necessary for a force to be considered to have accomplished work on an item.

The displacement of the body: At constant load and constant angle between force and displacement, work is directly proportional to the displacement.

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The work formula is used to calculate the amount of energy required to move an object a certain distance.

Energy is a fundamental concept in physics. It is defined as the capacity for doing work or the ability to produce change. Energy can be found in many forms, such as thermal, kinetic, chemical, electrical, gravitational, and nuclear. It can be converted from one form to another and can be transferred from one object to another. Energy is neither created nor destroyed, but can be changed from one form to another. This concept is known as the law of conservation of energy. In physics, energy is used to describe the ability to do work.

It is expressed as the multiplication of the magnitude of displacement (d) and the component of the force (F) acting on the object. The angle θ is the angle between the direction of the force and the direction of the displacement. The cosine of this angle (cosθ) is used to account for the fact that the force does not always act in the same direction as the displacement. The work formula can be expressed
as:  W = F × d × cosθ.

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Given data:

* The distance traveled by the air conditioner is,

Solution:

As the air conditioner is falling freely under the action of gravity.

Thus, the acceleration of the air conditioner is equal to the acceleration due to gravity.

As the air conditione ris falling itself from the height.

Thus, the initial velocity of the air conditoner is,

By the kinematics equation, the final velocity of the air conditioner is,

Substituting the known values,

Thus, the final velocity of the air conditioner is 21.69 m/s.

By the kinematics equation, the time taken by the air conditioner,

where t is the time taken by the air conditioner to reach the ground,

Substituting the known values,

Thus, the time taken by the air conditioner ot reach the ground is 2.21 seconds.