a cone-shaped cup is made from a circular piece of paper of radius 10 by cutting out a sector and joining the edges ac and bc. find the maximum capacity (volume) of such a cup

Answer:

the car’s final displacement is 60 m

Explanation:

Given;

initail velocity of the car, u = 0

acceleration of the car, a = 0.8 m/s²

time of motion, t = 10 s

The first displacement of the car:

\(x_1 = ut + \frac{1}{2} at^2\\\\x_1 = 0 + \frac{1}{2} (0.8)(10)^2\\\\x_1 = 40 \ m\)

The second displacement of the car;

acceleration, a = 0.4 m/s²,   time of motion, t = 10 s

\(x_2 = ut + \frac{1}{2} at^2\\\\x_2 = 0 + \frac{1}{2} (0.4)(10)^2\\\\x_2 = 20 \ m\)

The final displacement of the car;

x = x₁  +  x₂

x = 40 m  +  20 m

x = 60 m

Therefore, the car’s final displacement is 60 m

Answer:

eu acho que ê a B

uma bela noite abençoada

Answer:

The answer is "B" table salt

Good look

Explanation:

Answer:

FALSE

Explanation:

3,970.8

Explanation:

v=661.8×6

3,970.8

Given

mj = 65 kg

mc = 78 kg

voj = 5.75 m/s

after collision

vfj = vfc = 0 m/s

Procedure

The law of momentum conservation can be stated as follows. For a collision occurring between object 1 and object 2 in an isolated system, the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision.

The velocity before the collision would be 4.8m/s

Yes, the groceries stay in the bag

What is newton's second law?

Newton's Second Law of Motion says that when a force acts on a mass, the mass will speed up (object). This law of motion can be seen at work when you ride your bike. The mass is your bike. The force is your leg muscles pushing on the pedals of your bike.

We calculate the force that is exerted on the bag using Newton's second law, which states that,

F= ma

m is the mass of the object in kilograms

a is the acceleration of the object in meters per second squared. And so, we got:

F= 20kg X 5 m^2

= 100 N

So, a force of 100 newtons is exerted on the bag. Since that is less than the required 250 newtons needed to rip the bag, then the bag doesn't rip, and so the groceries stay in the bag, due to the normal force exerted on them by the bag.

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Answer:

R = 1.71 ohms

Explanation:

Two resistors are connected in parallel. There equivalent resistance is given by :

\(\dfrac{1}{R}=\dfrac{1}{R_1}+\dfrac{1}{R_2}\)

Put all the values,

\(\dfrac{1}{R}=\dfrac{1}{3}+\dfrac{1}{4}\\\\R=1.71\ \Omega\)

So, the resultant resistance of the circuit is equal to 1.71 ohms.

Answer: Solenoid

Explanation:

Answer:

Solenoid

Explanation:

The work done by the dog is 0.81J.

Work done is a measure of energy expended in moving an object; most commonly calculated by multiplying the force by the distance.

It is said that no work is done if the object does not move.

The work done on an object is the amount of energy transferred to an object through work.

According to this question, a dog lifts a 0.75 kg bone straight up through a distance of 0.11 m. The force applied to break the bone must be calculated first as follows:

Force = mass × acceleration

Force = 0.75kg × 9.8m/s²

Force = 7.35N

Work done = 7.35N × 0.11m = 0.81J

Therefore, 0.81J is the work done by the dog.

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Answer:

5.0 kg

Explanation:

use the equation; (m1v1i) + (m2v2i) = (m1v1f) + (m2v2f)

The bicyclist's acceleration is 2.7 m/s². Thus, Option C is the answer

Acceleration is defined as rate of change of velocity with time. Its formula is

a= \(\frac{vf - vi}{t}\)

acceleration = (final velocity - initial velocity) / time

The bicyclist's acceleration can be found using this equation:

In this case,

final velocity = 12.15 m/s

initial velocity is 0 m/s (since the bicyclist starts from rest)

time = 4.5 s

Plugging these values into the equation, we get:

a =\(\frac{12.5 - 0}{4.5}\)

a = 2.7 ms⁻²

Therefore, The correct answer is c. 2.7 m/s²

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It take more force for something to slide across a surface then it does to change direction on the same surface

What does the word force mean?

The definition of force in physics is: The push or draw on a massed object changes its velocity. An external force is an agent that has the power to alter the resting or moving condition of a body. It has a trajectory and a magnitude.

Friction is the energy that opposes motion, slowing or stopping it entirely. When two things rub against one another, friction is created. Sliding friction is the resistance that any two things produce when they slide against one another. This friction, also referred to as kinetic friction, is the force required to maintain one surface moving along another.

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The work done by the gravitational force FG in one revolution is equal to negative two times We know that the work done by a force is given by the dot product of the force and the displacement.

The work done by the gravitational force in one revolution is the area of the circle enclosed by the orbit. This area is equal to 2πrh, where r is the radius of the orbit and h is the height above the Earth's surface.So, the work done by the gravitational force FG in one revolution is given by,W = -∫Fg · ds (where Fg is the gravitational force, s is the displacement, and the integral is taken around the orbit)W = -∫Fg · ds (where Fg is the gravitational force, s is the displacement, and the integral is taken around the orbit)W = -∫GMm/r²·

ds (where M is the mass of the Earth, m is the mass of the spacecraft, r is the distance between the spacecraft and the center of the Earth, and the integral is taken around the orbit)W = -GMm ∫ds/r² (since Fg = GMm/r² and Fg · ds = dW)W = -GMm ∫dθ (since ds/r = dθ)W = -GMm [θ]₂π⁰ (since the spacecraft completes one revolution in 2π radians)W = -GMm (2π) = -2GMmπThe work done by the gravitational force FG in one revolution is equal to negative two times.

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The positive feedbacks without uncertainty are water vapor feedback. The feedbacks that affect the terrestrial radiation budget are lapse rate feedback, ice-albedo feedback, water vapor feedback, and cloud feedback.

Among the feedbacks listed, the ones that are definitely positive (without uncertainty) are: 1. Water vapor feedback: An increase in temperature leads to an increase in atmospheric water vapor content, which amplifies the greenhouse effect and further enhances warming. This feedback is positive. The feedbacks that affect the terrestrial radiation budget (the balance of incoming and outgoing radiation at the Earth's surface) are: 1. Lapse rate feedback: This feedback is related to the vertical temperature profile of the atmosphere. If the lapse rate (the rate at which temperature changes with altitude) decreases with warming, it can amplify the warming or cooling effects. It affects the radiation budget indirectly by influencing the atmospheric temperature structure. 2. Ice-albedo feedback: When temperatures rise, ice and snow cover decrease, exposing darker surfaces (such as land or ocean) that absorb more solar radiation. This leads to further warming, creating a positive feedback loop that affects the radiation budget. 3. Water vapor feedback: As mentioned earlier, an increase in temperature leads to increased atmospheric water vapor content. Water vapor is a potent greenhouse gas that affects the radiation budget by trapping outgoing longwave radiation and amplifying the greenhouse effect.b4. Cloud feedback: Changes in temperature and atmospheric moisture content can affect cloud formation and properties. Clouds can either trap heat (positive feedback) or reflect sunlight back to space (negative feedback), depending on their type, altitude, and coverage. The net effect of cloud feedback on the terrestrial radiation budget depends on the specific cloud changes in response to warming.

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To decrease power output while still doing the same amount of work, one can increase the time it takes to complete the task. This means that the work is being spread out over a longer period of time, reducing the amount of power required to complete it.


There are several ways to increase the time it takes to complete a task, such as taking more breaks, slowing down the pace of work, or breaking the task up into smaller parts. For example, if you are lifting weights, you can decrease the power output by doing more repetitions with a lighter weight, or by taking longer breaks between sets. This will still allow you to achieve the same amount of work, but with less power output.
Another way to decrease power output is to use more efficient equipment or techniques. For example, if you are using a lawn mower, switching to a more energy-efficient model or using a mulching blade can reduce the amount of power needed to mow the lawn. Additionally, adjusting the technique used to complete a task can also make it more efficient and require less power.
In conclusion, decreasing power output while still doing the same amount of work can be achieved by increasing the time it takes to complete the task, using more efficient equipment or techniques, or breaking the task up into smaller parts.

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In a downward direction, the magnitude of the acceleration is negative and velocity is zero.

Here,

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Answer:

C

Explanation:

There is a decrease in temperature and daylight and plants produce less food.

Please mark brainliest!!

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Explanation:

Please give a brainliest answer

Answer:

154.83 W

Explanation:

Applyying,

P = V²/R..................... Equation 1

Where P = power dissipated, V = voltage R = resistance

But,

R = Lρ/A................. Equation 2

Where L = length of the wire, A = crosssectional area,  ρ = resistivity of the wire.

Substitute equation 2 into equation 1

P = V²/(Lρ/A)

P = AV²/Lρ........................ Equation 3

From the question,

Given: L = 30 cm = 0.3 m, ρ = 1.69 x 10⁻⁸Ω⋅m, V = 1 V.

But,

A = πd²/4, Where d = 1 mm

A = (3.14×0.001²/4) = 7.85×10⁻⁷ m²

Substitute these values into equation 3

P = (7.85×10⁻⁷×1²)/(0.3×1.69 x 10⁻⁸)

P = 154.83 W

The current in each experiment increases with increase in the voltage. Similarly, the association between resistance and the current in a circuit shows that increase in the resistance shows a reduction in the current, vice versa.

Ohm's Law states that the voltage across an electric conductor is directly proportional to the current(I) passing through it provided the resistant is constant.

So;

V ∝ I

V = IR  

where

The objective of this question want us to determine: How did the current change for each test provided that Avery uses a 1.5-volt battery, then she uses a 3-volt battery and lastly she uses a 9-volt battery, given that the resistance is constant through out the whole process.

In the first experiment;

In the second experiment;

In the third experiment;

Therefore, we can conclude that the current in each experiment increases with increase in the voltage. Similarly, the association between resistance and the current in a circuit shows that increase in the resistance shows a reduction in the current, vice versa.

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The volume of a cube measuring 5 cm on each side is 125cm³.

Volume is a three-dimensional measure of space that comprises a length, a width and a height.

It is measured in units of cubic centimeters in metric, cubic inches or cubic feet in English measurement.

A cube is a regular polyhedron having six identical square faces. The volume of a cube can be calculated using the following formula:

Volume of a cube = L³

Volume of the cube with side 5cm = 5³ = 125m³

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Answer:

C:Hardness

Explanation:

if youre hitting something your going to see wich one breaks first

Answer:

it’s C:)

Explanation:

Answer:

the answer is 1500 because of the internet

Answer:

Violation of intellectual property rights

Explanation:

Im sorry I am late but for the future people its A! :)) Have a great day :)

Answer:

When objects fall to the ground, gravity causes them to accelerate.

Answer:

1.62

Explanation:

comment section (credits to charlizebarth)+ correct on acellus

EMF induced in coil is directly proportional to the rate of change of magnetic flux by the flowing current with n number of turns in it.The total emf generated is 1.62 volts

Given-

Total coils in a solenoid \(N\) is 365 coils.

The change in flux is,

\(d\phi=9.44\times10^{-5} -2.57\times 10^{-5}\)

\(d\phi=6.87\times10^{-5}\)

The change in time \(dt\) is 0.0154 sec.

According to Faraday's law the EMF induced in coil is directly proportional to the rate of change of magnetic flux produced in the coil by the current i flowing in it with conductor having a finite number of turns in it.This can be given as,

\(emf=-N\dfrac{d\phi }{dt}\)

\(emf=-364\times \dfrac{6.87\times 10^{-5}}{0.0154}\)

\(emf= -1.62\)

Hence, the total emf generated is 1.62 volts.

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Answer:

SD

Explanation:

The labelled table data hat the experimenter can record observations for the sand and water temperatures at various points is given below.

Here is a labeled data table for recording sand and water temperatures at various points:

Point            Sand Temperature (°C)                 Water Temperature (°C)

1  

2  

3  

4  

5  

The table is 5 columns wide and 3 rows long, with the first column labeled "Point" to indicate the location being observed, and the second and third columns labeled "Sand Temperature (°C)" and "Water Temperature (°C)" respectively to indicate the type of temperature being measured.

The cells under the "Sand Temperature (°C)" and "Water Temperature (°C)" columns are left blank to allow the experimenter to record the corresponding temperature readings for each point.

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Full Question:

Although part of your question is missing, you might be referring to this full question:

Label a data table so that the experimenter can record observations for the sand and water temperatures at various points.

the column table 5 length x 3 width