The diagram shows an oscilloscope
trace from an AC supply. Calculate
the period of this supply if each
horizontal division represents 2ms.

When the water level at the dam is 41 m, 1435J of electrical power can be generated if hydroelectric turbines are placed close to the base of the dam and a constant flow rate of 35 m3/s is maintained.

There are two kinds of electricity, including: DC power is created by DC sources like generators, batteries, battery storage, etc. and is defined as the result of voltage and current. AC power is a term used to describe a charge flow that periodically changes its direction.

The pace at which work is completed or energy is changed inside an electrical circuit is known as the electric power definition. It is a way to quantify how much energy is consumed over a certain period of time. Electrical power is the term used in physics to describe the rate at which an electrical circuit transfers electrical energy per unit of time.

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Hence the angular velocity  w=2π2/T.

The angular velocity of an object with respect to some extent is a degree of the way rapid that item actions through the point's view, within the feel of the way speedy the angular function of the item modifications. An instance of angular pace is a ceiling fan. One blade will whole a complete round in a certain amount of time T, so its angular speed with respect to the middle of the ceiling fan is twoπ/T.

Calculation:-

for a circular motion, the distance of the complete circle = 2πr

and time period =  T

so angular velocity = 2π/T

There are 3 formulations we will use to find the angular pace. the primary comes instantly from the definition. The angular pace is the rate of alternate of the position attitude of an object with respect to time, so w = theta / t, in which w = angular pace, theta = position attitude, and t = time.

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The time period of the ball’s motion will be 0.14 seconds

The frequency of the motion will be 7 Hz

The ball’s angular velocity will be 43.96  rad/second

given

a) frequency = 7 rev / s = 7 Hz

time period = 1 / frequency

           = 1 / 7 = 0.14 seconds

The period of the ball’s motion will be  0.14 seconds

b) The frequency will be 7 Hz

c) The ball’s angular velocity  = 2 * π * f

                                                = 2 * 3.14 * 7 = 43.96  rad/second

The ball’s angular velocity will be 43.96  rad/second

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When the particle reaches its maximum positive x coordinate, the displacement is 11.62m.

The rate at which speed of velocity change over time is referred to as acceleration. When a point and object speeds or decelerates, it is moving straight ahead. Motion on a circular accelerates even while the speed is constant so because orientation is constantly changing.

The particle's displacement is computed as follows;

v² = u² + 2as

where;

a is acceleration

a = √(3² - 2²)

= 2.23 m/s²

0 = u² + 2as

s = -u²/2a

s = -(7.2²)/(2 x 2.23)

s = -11.62 m

When the particle reaches its maximum positive x coordinate, the displacement is 11.62m.

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Answer:

The tension in the cable is 1800 N.

Explanation:

The object assigned is used to copy all the data, and when accessing each character in a string, such as for copying purposes, you would typically use a while loop is a false statement.

Until the provided condition (there is only one) evaluates to false, a while loop iterates indefinitely. Your loop will then end, and the execution process will continue. While a conditional expression is evaluated as true, its statements are carried out.

The copy variable is a pointer to the same item and points to it. Basically, this object with the values a: 1, b: 2, is saying that there are now two methods to contact me. You must go through either the obj variables or the replica variable to reach me, and whatever you do to me through these routes (gateways) will have an impact on me.

Therefore, the object assigned is used to copy all the data, and when accessing each character in a string, such as for copying purposes, you would typically use a while loop is a false statement.

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To collect the asteroid an equal magnitude of the force in opposite direction is needed.

What is force ?

The motion or speed of an object depends upon the magnitude and the direction of the force.

If the direction of the force is against the direction of motion, then the object will slow down or stop. The two forces of the same magnitude in the opposite direction cancel each other and the collided objects stop each other.

Therefore, to collect the asteroid an equal magnitude of the force in opposite direction is needed.

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The motion of the ball is translational and rotational.

Rotational motion because the ball is continuously rolling along its axis.

Translational motion because the ball is also moving forward and not just rotating at a fixed place.

But all these have a force acting on it that affects the motion of the ball.

The forces are :

"Normal Force,"

"Gravity Force,"

"Force Friction,"

"Applied Force."

It is due to the result of the friction, which causes the ball to stop.

The reason the ball rolls is due to the force that is imparted to it.

Therefore, the motion of the ball is fully under the control of forces acting on all the sides of the ball.

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No, her cells need glucose to react with oxygen to release enough energy to exercise. Option B.

Oxygen, glucose, and amino acid molecules from air and food are the fuel your body needs to function every day. Without these molecules, cells cannot do what they need to do to keep the body healthy. Our cells cannot use starch as is. Before starch enters cells, it must be broken down into individual glucose molecules.

The glucose molecule is then transported inside the cell and used to facilitate the cell's respiratory response. Athletes believe that all they need to do is eat a variety of foods and train because their bodies simply need different types of food molecules to function properly. Living organisms mainly use these two types of molecules, glucose, and ATP, as chemical energy.

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Answer:

A) 10 m/s^2

Explanation:

1KG=10

so 10kg bucket = 100N

1) find fnet by finding the sum of the vertical forces (gravity is going down so its negative)

2) fnet = 200N (Lift) - 100N (Bucket)

fnet = 100

fnet = mass × acceleration

3) 100 = 10a

answer: 10 = a

sorry this is very rushed.

Answer:

A force can speed up or slow down an object. A force can change the direction in which an object is moving. A bigger force on an object will produce a bigger change in the motion. A heavier object requires a larger force than a lighter object in order to undergo the same change in motion.

Answer:

Speed

distance

distance

time

average

speed

dividing

distance

time

Option 1. Biological hazards (people working while ill, not washing hands, improper temperature control),  is the most common cause to food born illnesses.

Infectious organisms or their toxins are the maximum commonplace reasons for food poisoning. Food poisoning symptoms may additionally include cramping, nausea, vomiting, or diarrhea. Maximum meal poisoning is slight and resolves without treatment. ensuring ok hydration is the maximum vital element of treatment.

Foodborne infection (food poisoning) is a result of consuming contaminated meals, beverages, or water and may be a diffusion of microorganisms, parasites, viruses, and/or pollution. lots of those pathogens can be received thru extra than simply food, drinks, or water.

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Mountain is the land feature is marked on the map as x.

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Since you wanted to use some brain-mapping techniques to identify anatomical functioning, the method that would be the best choice is option A. MRI.

In PET scans, the breakdown of option B:  radioactive materials in the body and the release of gamma rays produce a functional view of the brain.

FDG, which stands for "fluorodeoxyglucose," is a simple sugar (like glucose) that is frequently employed in PET scanning. It is injected into the bloodstream and builds up inside the body, where it emits gamma rays as energy.

Note that without injecting any kind of dye or tracer, brain mapping techniques like magnetoencephalography (MEG) and functional magnetic resonance imaging (fMRI) scans can be used to detect the anatomical functioning of the brain. The diagnosis and treatment of neurodegenerative illnesses can both benefit greatly from these techniques.

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Answer: the moon is closer.

Explanation:

The moon is closer to the earth than the sun, which results in a larger gravitational gradient for the moon even though the sun is considerably more massive and has stronger overall gravity than the moon.

When a block is launched with initial speed 2.2 m/s up a 35° frictionless ramp then ramp slides up to 0.43m.

The work-energy theorem explains that net work done by the forces on an object is equal to change in its kinetic energy.

We can also say that work done on a body is equal to the net change in its energy.

Given angle = 35°

initial speed = 2.2m/s

Applying work - energy theorem,

Wgravity = KE

-m *g *sin ∅ * S =1/2* (0- 2.2²)

-9.81*sin 35° *S= 1/2 *(0- 2.2² )

S= 0.43m

Ramp slides up to 0.43m.

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The chair and floor have a static friction coefficient of 7.9523 and a kinetic friction coefficient of 0.8114, respectively.

The braking force of an item is static friction. The resistance humans encounter when attempting to move something fastened to the ground without actually moving thier own bodies or the surface that are sitting on is described as static friction.

Adhesion, a slight chemical attraction between contact objects, is what causes static friction. Friction is also produced by the interaction of the flaws on each surface.

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Following combinations of elements that can form a covalent bond are:

N and Cl

C and O

Elements with very high ionization energies cannot transfer electrons, and elements with very low electron affinities cannot accept electrons. Atoms of such elements tend to share electrons with atoms of other elements or with other atoms of the same element, and both atoms acquire an octet arrangement in their respective valence shells, achieving stability increase. Such associations by sharing electron pairs between different species or the same species are known as covalent bonds.

Covalent bonds can be achieved in two ways.

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Luka Doncic will score the 3 points if he throws a ball from a 3-point line distance (6.75 m) and if the basket is at height of 3.05 m.

Resolving u into its vertical and horizontal components

ux = u cos θ

ux = 8.3 cos 45°

ux = 5.9 m / s

uy = u sin θ

uy = 8.3 sin 45°

uy = 5.9 m / s

H = 3.05 - 2.8

H = 0.25 m

T = uy + √ uy² - 2 g H / g

T = 5.9 + √ 5.9² - ( 2 * 9.8 * 0.25 ) / 9.8

T = 5.9 + √ 34.81 - 4.9 / 9.8

T = 5.9 + 5.47 / 9.8

T = 11.37 / 9.8

T = 1.16 s

R = ux T

R = 5.9 * 1.16

R = 6.8 m

Distance of three point line from the basket = 6.75 m = 6.8 m = R

Therefore, Luka Doncic will score the 3 points

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The tension in the cable that pulls the elevator upwards with an acceleration of 2.0 m/s² is 4200 N. The right option is A) 4200 N.

Tension is defined as the force transmitted through a rope, string or wire when pulled by forces acting from opposite sides.

To calculate the tension in the cable, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 2

Hence,  the tension in the rope is 4200 N, the right option is A) 4200 N.

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Answer:

a protective and waxy or hard layer covering the epidermis of a plant, invertebrate, or shell.

Answer:

The cuticles for animals are a thin layer of clear dead skin around the nail bed on fingers and toes. As the nail grows, it naturally pushes and damages the underside of the skin around the base of the nails, called the eponychium. The space between the eponychium and the bottom of the nail is where the cuticle is located.  

The cuticle definition related to plants is a protective and waxy or hard layer covering the epidermis. The plant cuticle is an extracellular hydrophobic layer that covers the aerial epidermis.

Explanation:

Answer: both force and gravitational force

Explanation:

The normal force on the 10 Kg box is 50 N. The one with the correct statement is Ben.

We know that normal force acting on an object is given as:

N = mg

Where angle projection is involve, it is written as:

N = mgSineθ

Where

Now, we shall calculate the normal force, to see who is right amongst the boys. This is shown below:

N = mgSineθ

N = 10 × 10 × Sine30

N = 100 × 0.5

N = 50 N

Thus, the normal force is 50 N. Therefore, Ben is correct!

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Answer:

c

xExplanation:

Answer: the lungs

Explanation: During gas exchange oxygen moves from the lungs to the bloodstream. At the same time carbon dioxide passes from the blood to the lungs. This happens in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.

Work is referred to as the displacement of an object when a force (push or pull) is applied to it while energy is referred to as the capacity to do the work. It exists in various forms like potential, kinetic, chemical, thermal, nuclear, electrical energy and so on. Power is the work done per unit of time.

power and energy are the same.
Work is usualy doing a task that gets rid of said energy.

The total quantity of an economy's final goods and services demanded at different inflation rates is the aggregate demand curve.

The total amount spent in an economy on domestic goods and services is known as aggregate demand, or AD. AD is technically what economists refer to as total planned expenditure. Consider aggregate demand to be total spending for the time being; we'll go into more detail about it in later articles.

All four elements of demand are included in aggregate demand:

The price level is one of several variables that affect this desire. The entire amount spent on domestic products and services at each price level is displayed on an aggregate demand curve.

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The basic requirement for a cloud to collapse to form a star is that  gravity must be strong enough to overpower the cloud's internal pressure.

What is gravity ?

Gravity, also called gravitational force in mechanics, is the universal force of attraction that acts between all matter. It is by far the weakest known force in nature and plays no role in determining the internal properties of everyday matter. It controls the orbits of objects in places, the structure and evolution of stars, galaxies, and the universe as a whole. On Earth, all objects have a weight, or downward gravitational force, proportional to their mass, and the mass of the Earth acts on them. Gravity is measured as the acceleration it imparts to a free-falling object. At the Earth's surface, the acceleration of gravity is approximately 9.8 meters (32 feet) per second. For each second her body is in free fall, its velocity increases by about 9.8 meters per second. On the moon, the acceleration of a free-falling object is approximately 1.6 meters per second.

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When a person turns on a lightbulb by connecting its circuit to a battery then chemical energy is converted to electrical energy which is in turn converted to heat energy.

Initially chemical energy is stored in the battery.  When the circuit is completed with a lightbulb then the chemical energy gets converted into electrical energy. And then electrical energy changes in the light bulb into heat energy.

When the terminals of the battery are connected through the light bulb, a pathway is created for the flow of charge. Negatively charged electrons flow from the - to the + terminal through the bulb. This charge flow  converts chemical potential energy into electrical energy.

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