What is the wavelength of the photon emitted by an excited hydrogen atom where m =12 in the balmer equation?

The body would be moved in the forward direction by a net force of 10N.

We know that force is a vector quantity. This implies that it has both magnitude and direction. The net force that acts on a body is the resultant force and this is the force that would move the object in a given direction. The object moves in the direction of the net force.

We are told that the forward force =  60 N

The backwards force = 50 N

We now have to determine the net force in order to understand the direction in which the body would move.

Net force = 60 N - 50 N = 10 N

It then follows that the body would be moved in the forward direction by a net force of 10N.

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The total resistance of a Parallel circuit with three resistors will be one third times lesser than the resistance of the circuit with single resistor.

A resistor is a passive two-terminal electrical component used in circuits to implement electrical resistance. Resistors have a variety of purposes in electronic circuits, including lowering current flow, adjusting signal levels, dividing voltages, biassing active components, and terminating transmission lines.

High-power resistors that can generate many watts of heat instead of electrical energy can be utilized as test loads for generators, power distribution systems, and motor controls. With temperature, time, or operating voltage changes, fixed resistors’ resistances only slightly fluctuate.

Variable resistors can be utilized as force sensors, heat sensors, light sensors, volume controls, lamp dimmers, humidity sensors, and chemical activity sensors.

When two or more resistances are connected between two points and each has a different current direction, the resistances are said to be connected in parallel.

In such circuits, the branches intersect at a common location, causing the current to branch out and then recombine.

When two or more resistances are connected end to end and the same current passes sequentially through all of them, this is referred to as a series connection. The total resistance in this situation is equal to the entire number of Individual resistances included in the series combination.

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The position-time graphs of the two joggers will look like a rectangle at the given time period.

A position time graph is a type of graph in which the position x of a particle is plotted on the y-axis and the time t on the x-axis.

The position time graph of the two jogger can be sketched as follows;

|                                               |                                               |

|                                               |                                               |

|                                               |                                               |

|-----------------------------------------|----------------------------------------|

15 m(west)                                                                               15 m(east)  

The position of both joggers will be same after the given time but their direction will be different.

Thus, the position-time graphs of the two joggers will look like a rectangle at the given time period.

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Gases at pressure are released by rockets as they travel towards space. According to Newton's third law, the combustion chamber's exhaust gases push the rocket with an accelerating force known as the thrust.

According to Newton's third law, if an object A pulls on an object B, then object B must exert an equal-sized and opposite-direction force on the first thing directed in the opposite direction. This law illustrates a symmetry in nature whereby forces always occur in pairs and whereby no body can exert a force without also being subjected to one.

Action and response are always equal but always move in the opposite direction, according to Newton's third law of motion. A human walking on the ground, a hammer driving a nail, a magnet attracting a paper clip, and a horse pulling a cart are all examples of Newton's third rule of motion.

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Gay Lussac's Law states that when a gas is held at a fixed volume, its pressure is exactly proportional to its Kelvin temperature. The molecules of a gas receive more energy when heated, causing them to move more quickly. This results in increased pressure and more impacts on the container's walls.

Pressure is the term used to describe the physical force exerted on an object. A perpendicular force is applied to the surfaces of the objects per unit area. F/A is the fundamental formula for pressure (Force per unit area)

This is based on the supposition that the force is applied perpendicular to the surface area. The pressure would rise proportionately if you exerted the same amount of force over a larger surface area. 5 Pa would be the force of 5 N applied over the same area of 1 square meter.

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An average cyclist travels at a speed of 23 mph. Time (t) = 5.1 hours if she wants to ride 190 kilometers.

The distance traveled in a unit of time is called speed. It refers to a thing's rate of movement. The scalar quantity known as speed is the velocity vector's magnitude. It has no clear direction. A faster rate of movement is indicated by a higher speed. It travels slower if the speed is lower. It has zero speed if it isn't moving at all.

The formula: can be used to determine the constant velocity of an object traveling straight forward.

r = d / t

where

r stands for rate or speed (sometimes denoted as v, for velocity)

d is the traveled distance.

t the amount of time needed to finish the movement

The average speed of an object over a period of time is given by this equation. We can see the object's average speed here, however at some moments over the time frame, it may have been moving faster or slower.

As the time interval gets closer to zero, the maximum average speed is reached. The speed at that moment is what you see when you look at a speedometer in an automobile. While you may have briefly reached a speed of 60 mph, your average speed over the course of 10 minutes could have been much higher or much lower.

190 Km (given)

1 km = 0.621 miles (should know)

So, 190 km = (190x0-621) miles

                  = 118 miles

23 miles per hour means,

23 miles- 1 hour

so, 118 miles - (118 × 1/ 23) hour

118 miles = 5.1 hour.

Time (t) = 5.1 hour

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As a result, neither a skateboard nor a magic carpet can take us there from the starting place.

We can't go there from here (107,64)

Utilizing a skateboard or a magic carpet.

Utilizing a magic carpet with a (3, 1) mile per hour speed

To get to the point's y coordinate, we need 64 hours (107,64)

However, we eventually make it 192 miles in that way.

So, rather than, we arrive at point (192,64) (107,64)

Similarly, using a skateboard at a speed of (5,1) miles per hour

We finally arrive at (320,64) after 64 hours.

Therefore, utilizing a skateboard or a magic carpet won't get us there from where we started.

Longboards are often more suited for bumpy roads compared to street skateboards. The first is that longboards frequently have larger, softer wheels installed these normally have a diameter of 60 to 75mm and a durometer of 77 to 80A.

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Answer:

99km

Explanation:

The kinetic energy of the helium nucleus will be 4.98 x 10⁻¹³ J

Kinetic energy can be define as , that it is a form of energy that an object or a particle is cause of its motion. Its unit is joule  i.e. j & it is given as,

K.E. = 1/2 mv²

where , m is mass of the particle and v is the velocity of the particle .

Energy can be expressed as, the ability to perform work. Energy can neither be created nor destroyed, but it can only be transformed from one form to another. The unit of energy is  joule .

Mass of helium nucleus = m = 6.64 x 10⁻²⁷ kg

Speed of light = c = 3 x 10⁸ m/s

Speed of light at 5.00% = c = 5.00/100x 3 x 10⁸ m/s = 1.5 x 10⁷ m/s

The kinetic energy of the helium nucleus can be given as ,

K.E = ¹/₂mc²

K.E = ¹/₂ x (6.64 x 10⁻²⁷) x (1. 5 x 10⁷)²

K.E =  4.98 x 10⁻¹³ J

Therefore, the kinetic energy of the helium nucleus is 4.98  x 10⁻¹³ J

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The difference between a scalar quantity and a vector quantity can be found below.

A scalar quantity is a quantity that has magnitude but not direction.

On the other hand, a vector quantity is a quantity with both magnitude and direction.

Examples of scalar quantities are;

Examples of vector quantities are;

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The smallest, electrically neutral assemblage of energy and matter that we know exists in the universe. it consists of a nucleus surrounded by a cloud of electrons is: an atom

The smallest unit of an element that still retains the distinctive behavior of that element is an: atom

A single atom of an element keep its distinctive behavior, that's because the atom is the smallest unit of the composition of a chemical element

The atom is the smallest part of the composition of matter, it is indivisible and is composed of a nucleus that has protons and neutrons, and around the nucleus there are the electrons.

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Digital camera demand is inelastic if the price elasticity of demand is 0.88, meaning that price rises for cameras will result in higher overall sales.

Price elasticity of demand measures how much a product's consumption changes in response to price changes. If a good's price elasticity is infinite, it is perfectly elastic (if demand changes substantially even with minimal price change). The good is elastic if price elasticity is more than 1, and inelastic if it is less than 1. A good is completely inelastic if its price elasticity is zero, meaning that no amount of price variation will alter demand. The quantity effect will be overpowered by the price effect. The relationship between the percentage change in a product's quantity demanded and the percentage change in price is known as price elasticity of demand. It helps economists comprehend how supply and demand shift in response to changes in a product's price.

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The possible values of its xx component are 13, 9.

A part is a practically free piece of any framework. It carries out some role and may require some information or produce some result. A part in programming is frequently addressed by classes. Each piece of a two-layered vector is known as a part. The parts of a vector portray the impact of that vector in a provided guidance. The consolidated impact of the two parts is comparable to the impact of the single two-layered vector. The part strategy is a method for adding various vectors to each other in physical science. It empowers the option of right-calculated vector parts to find a resultant vector having an extent and heading that relies upon the singular parts added.

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The vernal equinox during the year 10000 AD will be in the Scorpio constellation

A complete cycle of precession is finished once every 25800 years. Because there are 12 constellations, it takes 2150 years to travel from one to the next. The vernal equinox travels from Aquarius to Sagittarius, Scorpio, Capricorn, Libra, etc.

The year is 2022 AD, and the vernal equinox has just entered the constellation Aquarius. It would have managed to enter the Capricorn constellation in 4172 AD, the Sagittarius constellation in 6322 AD, the Scorpio constellation in 8472 AD, and the Libra constellation in 10622 AD. This means that it remains in the constellation Scorpio in 10000 AD and has yet to enter the constellation Libra.

As a result, the vernal equinox during the year 10000 AD will be in the Scorpio constellation.

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Answer:

Fail-close

Explanation:

A failed open switch is a switching device (be it mechanical, relay, semiconductor) that has lost it's switching capabilities (it's defective) and the switched contacts are now constantly open (disconnected) regardless of the control signal to the switch.

Similarly a failed closed switch is the same just with the contacts connected through.

Yes because;

i.Nuclear energy protects air quality

✓Nuclear is a zero-emission clean energy source.

It generates power through fission, which is the process of splitting uranium atoms to produce energy. The heat released by fission is used to create steam that spins a turbine to generate electricity without the harmful byproducts emitted by fossil fuels.

ii.Nuclear energy produces minimal waste

iii.Nuclear energy’s land footprint is small

✓Despite producing massive amounts of carbon-free power, nuclear energy produces more electricity on less land than any other clean-air source.

By Avogadro's number, the positive charge of plutonium is 4.5 x 10⁸ C.

We need to know about Avogadro's number to solve this problem. Avogadro's number is the number that explains how many atoms are in one mol. The Avogadro's number is

Na =  6,02 × 10²³ atoms / mol

From the question above, we know that

m = 1.21 kg = 1210 g

Ar = 244

λ = 94 protons/atom

By using Avogadro's number, we can calculate how many plutonium atoms

N = Na . n

N = 6,02 × 10²³ x gr/Mr

N = 6,02 × 10²³ x 1210/244

N = 3.01 x 10²⁵ atoms

Find the protons

protons = λ . N

protons = 94 . 3.01 x 10²⁵

protons = 2.83 x 10²⁷

Each proton has a charge 1.6 x 10¯¹⁹ C. Hence, the positive charge of plutonium is

Q = 2.83 x 10²⁷ . 1.6 x 10¯¹⁹ C

Q = 4.5 x 10⁸ C

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The resultant voltage is calculated as 0.315 V

It is given that

E = 91.9 mj

Q = 2.91c

V = E/Q

=91.9 x [tex]10^{-3}[/tex] / 2.91

= 31.58 mV

= 0.03158 V

Thus, the resultant voltage is calculated as 0.315 V

The difference in electric potential between two points, which is defined as the work required per unit of charge to move a test charge between the two points, is known as voltage, electric potential difference, electric pressure, or electric tension.

Voltage can also be described as the pressure from an electrical circuit's power source that helps to push the charged electrons (current) through a conducting loop, that enables them to do work such as illuminating a light.

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6 chairs will fit across the platform.

We have a school stage of 8 3/4 feet wide.

It's also given that each chair is 1 5/12 feet wide.

To find out the number of chairs possible we can simply divide the total length available by width of the chair.

8 3/4 = 35/4

1 5/12 =17/12

So, 35/4 / 17/12

So, the final answer comes up to 6.

so, the total number of chairs that would fit in are 6.

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Answer: Equivalence Point

Explanation:

An Acid-Base Titration is a titration carried out to determine the strength or concentration of an acid or a base by neutralizing it with a standard solution of an acid/base of known concentration.

At equivalence point in an acid-base titration the moles of base become equal to the moles of acid. This implies that , at this point of the titration the amount of titrant (standard solution of acid/base) added is just enough to neutralize the analyte (acid/base whose strength has to be determined).

The progress of these reactions are kept track of by pH indicators like phenolphthalein or methyl red.

At equivalence point, only the salt and water exist.

The following titration curve in the image shows the equivalence point of an acid-base titration.

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According to the research, the correct option is how the lungs and heart respond to aerobic workouts. It is most likely to be the main focus of her studies of exercise physiology.

It is the medical specialty that includes the study and understanding of physical activity as a physiological stimulus and its repercussions on each of the organs of the human body, their behavior and responses.

In this sense, during physical activity or exercise, cardiovascular physiological adaptations occur that improve physical performance since all the body's systems are automatically activated and in tune.

Therefore, we can conclude that according to the research, the correct option is how the lungs and heart respond to aerobic workouts. It is most likely to be the main focus of her studies of exercise physiology.

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By uniform motion, the distance traveled is 11.24 meters.

We need to know about the uniform motion to solve this problem. The uniform motion is the motion of an object which has acceleration applied. It can be determined as

vt = vo + a . t

vt² = vo² + 2a . s

s = vo . t + 1/2 . a . t²

where vt is final velocity, vo is initial velocity, a is acceleration, t is time interval and s is displacement.

From the question above, we know that:

a = 1.25 m/s²

vo = 0 m/s

vt = 5.3 m/s

By using the second equation, we can calculate the distance

vt² = vo² + 2a . s

5.3² = 0² + 2 . 1.25 . s

2.5s = 28.09

s = 11.24 m

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The presentation layer is sometimes known as the syntax layer since it is in charge of ensuring that the data it either receives or transmits to other layers has the correct syntax. Data sent across the network is formatted and encrypted by the presentation layer.

The presentation layer, which is layer 6 in the seven-layer OSI model of computer networking, acts as a network's data translator. It is referred to as the syntactic layer at times.

The communication is given to the top layer in a defined format thanks to the presentation layer (Layer 6). It deals with the messages' syntax and meaning. Communication across disparate systems, encrypts messages from the user-dependent format to the common format and vice versa.

The presentation layer, which is located at Layer 6 of the Open Systems Interconnection (OSI) communications architecture, makes sure that all communications passing through it are in the right format for the destination application. In other words, from the application layer's point of view, it provides the data in a comprehensible format.

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Water serves as a lubricant and a shock absorber as part of body fluids.

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A current carrying wire is placed vertically. The magnetic field around the wire is rotating clockwise around the wire. The current is moving from top to bottom

Holding a current carrying wire in your right hand with the thumb pointing in the direction of current flow, the fingers wrapping the wire will portray the magnetic lines of force direction, following the right-hand thumb rule.

As a result, a current carrying conductor is vertically held. If you follow the rule, the current should be passed through it to generate a clockwise magnetic field around the conductor from top to bottom.

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Answer:

5108.7 m

Explanation:

23 m/s * 165 s = 3795 m

12 m/s * 285 =  3420 m

mag of resultant ( use pythag theorem)

sqrt  ( 3795^2 + 3420^2) = 5108.7 m

Volume occupied by the drops is 0.46 cm^3

Given:

no. of drops of oil = 20 drops

mass of 20 drops = 407.7 mg

Density of 20 drops = 0.875g/cm3

To Find:

Volume occupied by the drops

Solution:

Density is define as mass per unit volume

by using the formula we can find volume

Density = mass/volume

0.875 = 0.4077 gram/ volume

Volume = 0.4077 gram/0.875 = 0.46 cm^3

Hence, volume occupied by 20 oil drops is

0.46 cm^3

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A kangaroo will stay 0.699s in the air when he jumps.

A projectile is an object that is launched vertically into the air and moves while being pulled by gravity. A projectile is an object that is launched into the air horizontally and moves regardless of gravity.

G = -9.81 m/s2 is the acceleration of gravity close to the earth. Simply multiply the acceleration of gravity by the period since the object was released to determine the object's speed (or velocity). In other words, velocity is equal to -9.81 m/s2 * time, or V = gt.

From the conversion of energy  =[tex]h=\frac{g t^2}{2}[/tex]

                                                 t = √(2h/g)

                                                   =  √((2 x 2.40) / 9.8)

                                                  =0.699 s

A kangaroo will stay 0.699s in the air when he jumps.

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Atp, or Adenosine triphosphate, provides energy for nerve impulse conduction, muscle contraction, and many other chemical reactions necessary for life.

Adenosine triphosphate is an essential molecule in cellular energy production such as protein phosphorylation and RNA production. It is produced during photophosphorylation and cellular respiration, and is consumed by many enzymes in the catalysis of numerous chemical processes.

It is composed in the center of the molecule by: a five-carbon sugar (ribose), which binds to the nitrogenous base adenine and a chain of three phosphates. Its molecular formula is C₁₀H₁₆N₅O₁₃P₃

It is the science or branch of biology that studies the structure of living beings in their evolutionary stages. Anatomy is subdivided into: plant and animal.

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