which of the statements is not correct ​

The capacitance of two capacitors connected in series will is

analogous to  two resistors connected in parallel.

In an electric field, a capacitor is a device that stores electrical energy. It has two terminals and is a passive electrical component. Capacitance refers to a capacitor's effect.

The International System of Units' (ISO) standard unit of capacitance is the farad (F) (SI). It denotes a substance's capacity to store an electric charge. Most electrical capacitors are measured in farads, microfarads (F), or nano-farads to express their value (nF).

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The change in the temperature of the plate is  160 degree centigrade

We know that the superficial expansion has to do with the increase in the rea per kelvin rise in the temperature of the plate. The first thing that we must do now is to obtain the area of the plate before and after.

Initial area of the plate in square meters = πd^2/4 = 3.14 * (0.1016)^2/4 = 8.10 * 10^-3 m^2

Final area of plate in square meters =  πd^2/4 = 3.14 * (0.1019)^2/4

= 8.15 * 10^-3 m^2

2α = ΔA/A1θ

α = linear expansion

ΔA = change in area

A1 = initial area

θ = temperature change

2(1.9 * 10^-5) = 5 * 10^-5/8.10 * 10^-3θ

2(1.9 * 10^-5) * 8.10 * 10^-3θ = 5 * 10^-5

θ =  5 * 10^-5/2(1.9 * 10^-5) * 8.10 * 10^-3

θ =  5 * 10^-5 /3.1 * 10^-7

θ = 1.6 * 10^2 or 160 degree centigrade

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Answer:

I like Billie Eilish

Explanation:

My friend introduced me to yer music and really liked stuff like the 30th and Happier than ever. Me and my friend bond over her music and my friend has her own records that we listen too. Billie sticks up for herself and hasnt had to many big controversal moments and she bring modernism to the music indrustry. We have seen many sides of her and she supports others and seems to be a good be a good human being.

Answer:

Yes I like Billie sm

Explanation:

I've heard her music in so many places for years, and she is on my playlist. She is very amazing! I love Happier than Ever, lovely, and Ocean Eyes, they are my fav!

The graph is the visual representation of information. It shows the information in graphical form.

The graph shows a visual representation of information.

(a) It will take 360 seconds to travel to the shop.

(b) Jamil covers 400 + 90 + 120 km= 610 km distance.

(c) Speed= distance/ time = 610 km/ 360 = 1.69 m/ second.

(d) He spends 360 seconds at the shop.

(e) Speed = d1/t1 + d2/ t2 + d3/ t3= 450/ 150 + 450 / 90 + 450 / 120

                                                        = 3 + 5+ 3.75 = 11.75 m / second.

The graph is the visual representation of information. It shows the information in graphical form.

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Your acceleration varies as you travel to the store. Your total speed can change over time; sometimes it can go up, sometimes down. Because doing so would mean you would keep speeding up and eventually pass the store, constant acceleration doesn't happen. In physics, even a decrease in speed is a form of acceleration. When you arrive at it, we can determine how much your average speed was and examine the impact that varying acceleration would have had on it.

According to estimates of the power needed to ride, cyclists deliver about 150 W when riding level terrain, but this increases to about 250 W when cycling up hills. On a flat surface, the average acceleration is 0.231 m/s2, and the acceleration phase has an average duration of 26 seconds. On average, 120 W of power is output during this phase.

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Distance from base of the cliff is 33.2 m

Distance is the sum of an object's movements, regardless of direction. Distance can be defined as the amount of space an object has covered, regardless of its starting or ending position.

It is given that

height of cliff = 55.0 m

speed of stone = 26.0 m/s

y1 = 55.0 - 4.9 t^2

y2 = 26 t - 4.9 t^2

y2 - y1 = 26 t - 55

t = 55/26 = 2.11 s

y1 = 33.2 m

Hence, distance from base of the cliff is 33.2 m

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Complete Question

A ball is dropped from the top of a 55.0m high cliff. At the same time, a carefully aimed stone is thrown straight up from the bottom of the cliff with a speed of 26.0m/s The stone and ball collide part way up.

How far above the base of the cliff does this happen in meters?

0.0041m/s and 0.00917 mile/hr. is the average velocity.

If an object moves with an average speed of v for time t, then the distance traveled by this object is s= v.t

Average speed and time are given in the task. So you can use this formula to calculate the marathon distance.

Velocity or speed  is defined as: The rate of change of the object's position in any direction. Velocity is measured as the ratio of distance traveled and time traveled. Velocity is a scalar quantity because it has only direction and not magnitude.

time =2hr, 1min, 39s  s= 0.030km

t= 7299s    s=30m

v=s/t=30/7299

=0.0041m/s.

in mile per hour = 0.00917 mile/hr

So feom the above equations solved the answer is 0.0041m/s and 0.00917 mile/hr.

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When conducting a scientific experiment, it will be difficult to test why cheating is wrong. Thus, (c) is the correct answer.

Scientific experiment is an experiment or study conducted by researchers to verify the authenticity of a test or hypothesis scientifically or assess the possibility or effectiveness of something that has not been attempted before. Scientific experiments show what happens when a certain component is modified, which sheds light on cause-and-effect relationships.

Controlled, field and natural experiments are three essential types of scientific experiments.

Keeping in mind that a successful scientific experiment typically evaluates one independent variable at a time, it is crucial to utilize a control group and to hold all other possible variables constant.

Therefore, it is difficult to test scientifically why cheating is wrong.

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Answer: why is cheating wrong?

Explanation: may be difficult to test scientifically is why is cheating wrong

The distance between myself and the other person is 1687.5 m

Distance is the length between two points. The S.I unit of distance is meter(m)

To calculate the distance between me and the other person, we use the formula below.

Formula:

Where:

From the question,

Substitute these values into equation 1

Hence, the distance between myself and the other person is 1687.5 m.

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Answer:

20m

Explanation:

u=20ms−1

v=0

f=μmgcosθ

mgsinθ+f=ma

mgsinθ+μmgcosθ=ma

530​+0.5×10×54​=a

6+4=a

a=10ms−2

v2−u2=2as

0−202=2×(−10)×s

s=20m

The magnitude of magnetic force is 1.55 mN

We know that,

F = I B L Sin θ

where,

F = Magnetic force

I = Current

B = Magnetic field

L = Length

θ = Angle

Given that,

L = 240 mm = 0.24 m

I = 150 A

B = 5 * [tex]10^{-5}[/tex] T

θ = 60°

F = 150 * 5 * [tex]10^{-5}[/tex] * 0.24 * sin 60°

F = 1.55 mN

Magnetic force is the attractive or repulsive force created when electrically charged particles are moved. So, it is the consequence of an electromagnetic force which is one of the four fundamental forces of nature.

Therefore, the magnitude of magnetic force is 1.55 mN

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Answer:

It something big enough for this

might be balance force, because the stacks of sticks remains stationary/ stable

definition of balance force = it is when resultant force acting on an obeject is zero and its said to be equilibrium. by newton's first law, the object remains stationary or continues moving at a constant velocity,

bye, hope u understand

A car moving at a decreasing speed is not consistent with a car that is accelerating. Hence, option B is correct.

Acceleration is the general term for any process where the velocity changes. There are just two methods for speeding up : changing your speed or changing your direction, or changing both. This is because velocity is both a speed and a direction.

Its SI unit is m/s² and the dimension is LT⁻² where,

L= length and,

T= Time

Acceleration, a= Velocity/Time

Hence, the car is moving with a decreasing speed will not consistent with a car which is accelerating.

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Answer:

Explanation:no

The efficiency of the bulb is the 45%, because it is the useful energy or output energy of the light bulb.

The efficiency of a device is the amount of the energy input to the device that is converted to a useful energy.

So we say that efficiency of a device is how good a device is at converting energy input to useful energy output.

The efficiency of a device or machine is calculated using the following formula;

efficiency = 0utput energy/input energy x 100%

efficiency = useful energy / total energy x 100%

Thus, if a certain brand of light bulb converts 45% of the available electrical current into light. The efficiency of the bulb is the 45%, because it is the useful energy or output energy of the light bulb.

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The two kinds of data that can be collected during an experiment are qualitative and quantitative data.

Numbers are used to convey quantitative data, which are measurements of values or counts. Numerical variables are the subject of quantitative data.

Qualitative data are represented by a name, symbol, or number code and are measurements of "types." Data concerning categorical variables make up qualitative data.

To provide a complete picture of a population, quantitative and qualitative data are frequently combined since they produce distinct results. For instance, if yearly income statistics are acquired (quantitative), occupation data might also be gathered (qualitative) to learn additional specifics about the average annual income for each type of profession.

Depending on whether the variable of interest is numerical or categorical, it is possible to acquire both quantitative and qualitative data from the same data unit.

Therefore, the two kinds of data that can be collected during an experiment are qualitative and quantitative data.

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Answer:

your answer is C

Explanation:

Alveoli is your answer

300 s is the time taken.

Electric charge is a physical property that creates a force on matter within an electromagnetic field. A charge can have a positive or negative nature. A substance is considered neutral or uncharged if it has no net charge.

Current is the speed at which electrons pass through a point in a complete circuit. The simplest is current = flow. Ampere or Ampere is the international unit used to measure electrical current.

So here  Q=I x t

       t=Q/I

       =30/0.1

       =300/1

       =300s

so from the above equation, and the given data that 0.1A is the current and the charge is 30C. the time taken is 300s.

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The distance travelled by the car is 146 miles.

Distance is a measure the space between two points.

Distance is measured in units of length such as kilometer, meters, miles, feet, etc.

In order to measure the distance between two points, a measuring instrument such as a ruler is used.

Considering the car that was travelling along the road, the distance traveled by the car is calculated as follows;

The car starts moving from an initial highway marker of 12 miles.

The car then travels from the initial highway marker of 12 miles to a second highway marker of 158 miles.

The distance travelled by the car is obtained by finding the differences between the highway markers.

Difference between the highway markers = 158 miles - 12 miles

Difference between the highway markers = 146 miles.

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Microwaves differ from radio waves as they have higher frequencies than radio waves.

A recurring event's frequency is measured by how many times it occurs in a unit of time. To emphasize differences between spatial and angular frequencies, it is also sometimes referred to as ordinary frequency or temporal frequency respectively.

Microwaves propagate in a single direction at a time because they are directional. Radio waves have multiple directions in which they can travel from their source. The acceleration of electrons produced in the radio antenna produces radio waves. Microwaves are a subclass of radiowaves.

A microwave is an electromagnetic wave with a low frequency and relatively long wavelength. Despite having greater frequencies than conventional radio waves, microwaves are frequently categorized as radio waves. They have more energy and higher frequencies.

The correct option is B.

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The strength of the force increases when all the forces are pulling in the same direction. When forces are exerted on an item from different angles, the force's strength reduces.

The definition of force is: The pushing or pulling that alters the velocity of a mass item. An external force is an agent that has the power to alter the resting or moving condition of a body. It has a direction and a magnitude. There are several instances of forces in daily life, including: heft and force (i.e. the weight of something) the force a bat applies to a ball. the pressure that a hair brush applies to hair when brushing it. the pressure exerted by your foot.

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Explanation:

The electrical system provides the voltage necessary to operate the many electrical components on the vehicle such as the vehicle's lighting system. The main source of power for the electrical system is the battery. The electrical system also includes the starting system and the charging system.

A new study shows that your body clock doesn't determine when you go to bed, but it does affect how you wake up in the morning.

Cultural pressures and daily responsibilities can override our body clocks and affect how long we sleep, according to a study in Science Advances.

But when people wake up, researchers say, it's not just about doing morning chores like going to work or school, it's also heavily dependent on your body clock.

The new findings are a reminder that sleep is more important than many realize, researchers said. Even if taken, the person still builds up a sleep debt.

Studies have found that middle-aged men sleep the least, often less than the recommended 7-8 hours.

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Answer:

6.50m

Explanation:

Vf=0

Vi=11.4

g=-10(against the gravity)

D=x?

Vf²=vi²+2ad

0²=11.4²+2(-10)d

0=129.96+-20d

-129.96=-20d

-129.96/-20=d

D=6.50m

"One's capacity to carry out daily activities with maximum efficiency, strength, and endurance while managing the illness, exhaustion, and stress and engaging in less sedentary behavior."

The health of the heart, lungs, and muscles is a component of physical fitness. Fitness also somewhat affects traits like mental acuity and emotional stability because what we do with our body also affects what we can do with our minds.

Hence Being physically fit doesn't need include dominating a particular sport or having bulging muscles.

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Answer:

2970kgm/s

Explanation:

p=m.v

=99kg.30m/s

=2970kgm/s

The ratio of the masses will be: (a + gsin(θ) + μgcos(θ)) / (g – a)

Friction can be defined as the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other

To solve the above problem, we must find the tension with respect to both masses, and then equate since the tension is the same throughout the entire rope:

For mass 1:

(m1)g – T = (m1)a

substituting where

T = (m1)g – (m1)a

T = (m1)(g – a)

For mass 2:

T – (m2)gsin(θ) – (m2)μgcos(θ) = (m2)a

T = (m2)a + (m2)gsin(θ) + (m2)μgcos(θ)

T = (m2)(a + gsin(θ) + μgcos(θ) )

we will then equate both equations having m1 and m2 were factored in the above equations. we do this in order to isolate m1/m2

(m1)(g – a) = (m2)(a + gsin(θ) + μgcos(θ))

m1/m2 = (a + gsin(θ) + μgcos(θ)) / (g – a)

The ratio of the masses is:

(a + gsin(θ) + μgcos(θ)) / (g – a)

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It is after a time of 25 minutes that the vacationer picks up his lunch after turning around the dock.

Let the speed of the motorboat be v and the speed of the river be u.

Upstream - The term "upstream" refers to a boat that is moving against the direction of the stream. The boat's upstream speed in this situation is its net speed.

Downstream - A boat is said to be moving downstream if it is moving in the same direction as the stream. In this instance, the boat's downstream speed is its net speed.

Given in the question

Distance travelled downstream = d = 2.8 km

Time = t = 25 mins =  25 × 60 = 1500 seconds

Downstream Speed = v + u

Let the time after he picks the lunch be t' seconds

Distance traveled by boat in t' seconds

d = (v + u )t'

Distance traveled by lunch in t + t' seconds

x = u(t + t')

Upstream Speed = v - u

Distance traveled by boat upstream :

x' = (v-u)t

So accordingly,

x + x' = d

u(t + t') + (v-u)t = (v + u )t'

ut + ut' + vt -ut = vt' + ut'

vt = vt'

t = t'

t' = t = 1500 seconds = 25 minutes

So, the vacationer picks up the lunch 25 mins after turning around.

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Answer:

3.6 kilometres per hour

Explanation:

for an approximate result, divide the speed value by 16.667