Consider an incandescent lightbulb. If you wanted to turn a 10-w lightbulb into a 100-w lightbulb, how would you change the temperature of the filament inside the bulb?.

The distance traveled by a rock on mercury due to gravity is 100.96.

given that,

acceleration due to gravity, g = 3.59 m/s²

mass of the rock = 21 g

time = 7.5 s

distance traveled =?

using the equation of motion,

s= ut + 1/2 at^2

since u = 0
s = 1/2 x 3.59 x 7.5 x 7.5 = 100.96

Mercury is roughly 0.383 times the size of Earth and just 0.055 as massive, with a mean radius of about 2,440 km and a mass of 3.30 1023 kg. As a result, Mercury is the Solar System's smallest and least massive planet. Mercury has a surface gravity of 3.7 m/s2, which is equal to 0.38 g, although this is due to its high density, which is a solid 5.427 g/cm3, which is higher than Earth's 5.514 g/cm3.

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Answer:

Explanation:

which of the following has the smallest particles

No Change in Current as it passes through a resistor.

When there is an IR drop across a resistor, the current flowing through the resistor causes a change in potential or voltage across the resistor. based on Ohm's law

V = RI

where V is the resistance's voltage.

resistance, or R

I = present

R is now known to be constant.

The applied voltage also affects the current for a particular resistance.

Therefore, unless we change the resistance, no change in current is visible when current flows through a resistor.

When the IR drops across the resistor, the potential also drops using Ohm's law.

Thus, the potential energy of the electrons across the resistor drops. But the kinetic energy of the electrons remains the same.

The current is defined by the rate of flow of electrons which remains the same as the kinetic energy did not change.

Hence, the current won't change while passing through the resistor.

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The correct answer is an option (b) 2.30 kg.

Density is denoted by the symbol 'p'. The density of a substance is directly proportional to its mass and inversely proportional to its volume. It means that with an increase in mass density also increases and with a decrease in volume density also decreases.

The volume of the intravenous glucose solution is v.

v = 2 L

The density of the intravenous glucose solution is p.

p = 1.15 mL

The mass of the intravenous glucose solution is,

1 L = 1000 mL

2 mL = 2000 mL

[tex]Density = \frac{Mass}{ Volume}[/tex]

[tex]p = \frac{m}{v} [/tex]

[tex]1.15 = \frac{m}{2000} [/tex]

m = 1.15 × 2000

m = 2300 g

m = 2.30 kg.

The mass of the intravenous glucose solution is 2.30 kg.

Therefore, the correct answer is an option (b) 2.30 kg.

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Answer: Navigating by air and by boat is generally done using vectors. Planes are given a vector to travel, and they use their speed to determine how far they need to go before turning or landing.

Early sulfate reducers set the stage for the evolution of

b) photosynthesis, the first form which harvested hydrogens from h2s.

The two energy-carrying molecules ATP and NADPH are then added to the Calvin Cycle in plants along with carbon dioxide to produce the glucose molecule, which has a longer half-life than the other two energy-carrying molecules.

The Krebs Cycle is used by bacteria. Carbon fixation, reduction reactions, and RuBP regeneration all take place in three steps.

Even though they only occur when light is present, these processes are known as light-independent reactions.

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Answer:increases levels of hormones in the brain

Explanation: because when you go through puberty you start to get more hormones

The empirical formula of the product gexcly is Ge4Cl.

a.) In empirical formula problem one must first find the mass % of the elements in the compound. Since the total mass of the final product was 3.69g we find that:

3.69g total-1.25g germanium = 2.44g chlorine

1.25g germanium/3.69 g total (100) = 33.88%

44g chlorine/3.69 g total (100) = 66.12%

b.) Then change the % to grams

33.88%→3.38g of Ge

72.23%→6.61g of Cl

c.) Next, divide all the masses by their respective molar masses.

3.38g /72.64gm-1 = 0.0465 moles Ge

6.61g/35.45gm-1 = 0.1864 moles Cl

d.) Pick the smallest answer of moles and divide all figures by that.

0.04 moles Ge / 0.0465 = 1

0.1864 moles Cl / 0.0465 = 4.00

Since our answer for chlorine is a whole number, we use them as coefficients for the product

e.) Lastly, the coefficients calculated in the previous step will become the subscripts in the chemical formula.

Ge = 4

Cl = 1

Ge4Cl

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Answer: Ok, ok, I have the same questions and I got them right, here is your answer...

1) Which block has the greatest density?

Answer: Block A

2) Which block has the lowest density?

Answer: Block B

Explanation: For the first question, Block A has the largest whole number, making it have the greatest density.

For the second question, Block B 0.64 has the lowest number behind the decimal in the tenths place is the smallest, making it have the lowest density.

Hope this helps :3

1)We need to identify the block that has the highest mass per unit volume. In this case, it is Block A, which has a density of 19.3 Kg/L. So Block A has greater density. Correct Option is 1.

2) Block B: 0.64 Kg/L block has the lowest density. So Correct Option is 2.

1)  Block A with a density of 19.3 Kg/L, it means that for every liter of volume occupied by the block, there is 19.3 kilograms of mass. This indicates that the material in Block A is more dense or more tightly packed compared to the other blocks with lower densities.

2) Block B has the lowest density among the given blocks because it has the smallest value of 0.64 Kg/L. Density is a measure of how much mass is contained within a given volume. A lower density means that there is less mass packed into a given volume, indicating that the material is less dense or less compact

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The distance covered by the ladybug from the moment she begins to de-accelerate until the moment she comes to rest is 2 cm.

The three equations of motion are -

v = u + at

S = ut + 1/2 at²

v² - u² = 2aS

Given is a ladybug which is moving at a speed of 1 cm/s. She begins to decelerate at a rate of -0.25 cm/s² until she comes to rest. From this we can write -

initial velocity [u] = 1 cm/s

final velocity [v] = 0 m/s

acceleration [a] = -0.25 cm/s² = 1/4 cm/s²

Using the first equation of motion -

v = u + at

0 = 1 - t/4

t/4 = 1

t = 4 sec

Using second equation of motion -

S = ut + 1/2 at²

S = 1 x 4 - 0.5 x 0.25 x 4 x 4

S = 4 - 2

S = 2 cm

Using third equation of motion, we can directly find out the distance covered -

v² - u² = 2aS

- 1 = - 2 x 1/4 x S

S/2 = 1

S = 2 cm

Therefore, the distance covered by the ladybug from the moment she begins to de-accelerate until the moment she comes to rest is 2 cm.

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The radius of a sphere is the distance between the centre point of the sphere to the surface of the sphere.

r = d / 2

A = 4 π r²

r = √ ( A / 4 π )

V = 4 / 3 π r³

r = ∛ ( 3 V / 4 π )

r = Radius of the sphere

d = Diameter of the sphere

A = Surface Area of the sphere

V = Volume of the sphere

A sphere is the 3-dimensional form of a circle. Since the radius of the sphere is a measure of length, its unit is usually meter.

Therefore, the radius of a sphere is the distance between the centre point of the sphere to the surface of the sphere.

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If the earth were twice as far as it actually is from the sun, the force of gravity attracting the earth to the sun would be one-quarter as strong as it once was.

Any two objects with mass are constantly attracted to each other by a force. This force is called gravity. According to Sir Isaac Newton, the force of gravity between two objects depends on the mass of the objects and the distance between them.

Newton's law of universal gravitation states that "the force of gravity between two objects is directly proportional to the product of their masses and inversely proportional to the square of their distance apart". Taking only the distance apart into consideration, the force of gravity decreases exponentially as distance increases.

This shows that the more the earth moves away from the sun, the more the force of gravity between the earth and the sun decreases. For example, let's take the current distance between the earth and the sun as 1 unit and the force of gravity as 1 unit also. If we were to double the distance between the earth and the sun, it will mathematically be written as:

    Force of gravity, F = 1/d^2

    where d = distance between the earth and the sun.

    Hence, F = 1/2^2

                 F = 1/4

Therefore, when the distance is doubled, force of gravity decreases by a factor of 1/4.

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The acceleration of the car between 2 and 5 seconds is 0m/[tex]s^{2}[/tex].

How can the velocity time graph be used to determine the acceleration?

Calculating acceleration involves dividing the change in velocity, expressed in meters per second, by the time required for the change, expressed in seconds. The acceleration is measured in m/[tex]s^{2}[/tex].

As we are aware, velocity = distance / time.

And acceleration = velocity / time.

The linear graph shows that the distance travelled at the time interval of 2 seconds is 10 m. Hence the velocity([tex]v_{1}[/tex]) =10/2 = 5m/s.

The graph shows that the distance travelled is 25 m at time interval of 5 seconds. Hence the velocity ([tex]v_{2}[/tex]) =25/5 = 5m/s.

Acceleration between 2 and 5 seconds is now calculated as

([tex]v_{1}[/tex]-[tex]v_{2}[/tex]) / ([tex]t_{2}[/tex]-[tex]t_{1}[/tex]) = (5-5)/(5-2) = 0 m/[tex]s^{2}[/tex]

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Based on the law of conservation of energy the fact that is true is energy can neither be created or destroyed.

The capacity to do work is called energy. The Law of conservation of energy states that energy can neither be created nor be destroyed. Although, it may be transformed from one form to another and the total energy of an isolated system always remains constant. This implies that a system always has the same amount of energy, unless it's added from the outside.

Thus Law of conservation of energy is true for every matter present on earth.

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Using the python interpreter as a calculator, the volume of the sphere having radius 5 is calculated as 523.5987749999999.

The volume of the sphere is 523.5987749999999

The Python interpreter is a virtual machine, which means that it is computer simulation software.

This specific virtual machine is a stack machine; to carry out its tasks, it manipulates a number of stacks (as contrasted with a register machine, which writes to and reads from particular memory locations).

Interpreted terminology

Python is an interpreted language, therefore programmers written in it are translated from their source code into bytecode before being run by the Python virtual machine.

Because Python code does not need to be created and linked like code for other popular compiled languages, such C and C + +, it differs from these languages.

Given that

Pi = 3.14159265

r = 5

V = 4/3 x π x r x 3

V = 523.5987749999999

Print (The volume of the sphere is: 1, V)

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The time taken by second ball to land on the floor is 0.30 seconds.

What is the relation between speed, time and distance?

Speed is determined by dividing the distance covered by the time taken. Calculating the units for speed requires knowledge of the units for both time and distance. Since the distance is measured in metres (m) and the time is measured in seconds (s), the units in this example will be metres per second (m/s).

The answer can be calculated by the equation:

[tex]D = V \times T[/tex]

Where, V = speed, T = time, D = distance

So, for first ball the time is given to be 0.60 s and speed is given to be v.

We get equation,

[tex]D = 0.60v[/tex]

For second ball speed is given to 2v and the distance is same as first ball

We get equation,

[tex]D = T_2 2v[/tex]

Where, T₂ = Time taken by second ball

By both the equations of first and second ball. we get,

[tex]0.60v = T_2 2v[/tex]

[tex]T_2 = \frac{0.60}{2}[/tex]

[tex]T_2 = 0.30 s[/tex]

Therefore, the second ball will take 0.30 seconds to land on the floor.

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The decibel level of a sound that is twice as intense as 90dB is 93.013dB.

What is a decibel level?

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The answer is 0.4 m³, in order to float, the boat must displace its own mass in water.

Since the boat weighs 10,000,000 kg, and water has a density of 1000 kg/m3, the boat must displace

(10,000,000 kg) / (1000 kg/m³)

= 10,000 m³ of water in order to float.

(Or 10⁴ m³, as written above)

Surface tension is the propensity for liquid surfaces that are at rest to condense into the smallest surface area. Razor blades and insects (like water striders), which have a higher density than water, can float on the surface of the water without even partially submerging due to surface tension. Typically, there are two forms of density: absolute density and relative density. The ratio of a substance's density to the density of a reference material is known as its relative density, sometimes referred to as specific gravity.

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The low value for the measure of variation is b) the data set is normal.

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The mass of lead required to make a 1.00 cm3 fishing sinker is 11.3g.

What is mass?

Mass is a metric used in physics to express inertia, a fundamental characteristic of all matter. A mass of matter's resistance to altering its direction or speed in response to the application of a force is what it essentially is. The change that an applied force produces is smaller the more mass a body has.

Given :

Density of lead = 11.3 g/cm3

Volume of  sinker  =  1.00 cm3

One of a substance's attributes is density, which is calculated by dividing the mass by the volume. Mathematically:

Density : Mass / volume

therefore after putting the values,

mass= 11.3g

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The vertical distance of the object from where it was launched to where it lands is 30.9 meters.

A Projectile is an object that is propelled by the application of an external force and then moves freely under the influence of gravity and air resistance.

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The Aurora Borealis, also known as the Northern Lights, is normally only seen in the most northern regions, like Canada, Alaska & the North Pole. However, in 1859, there was a geomagnetic storm so big the Aurora Borealis was seen as far SOUTH as the United States, Japan, and Australia.

The Aurora Borealis are spectacular lights that are seen in the polar regions.

These lights are produced as a result of interaction between solar winds and the earth's magnetic field.

The solar wind emits from the sun's corona and contains charged particles traveling at a speed of 400 miles/second.

When these charged particles collide with the atoms and molecules of the atmosphere after entering into Earth's magnetic field they produce lights in the northern and southern poles. Big Aurora Borealis is also called geometric storms.

To put it simply, auroras are produced by the collision of different atomic particles such as green and red lights formed by oxygen, blue, pink, and violet lights by nitrogen and helium particles emitting purple light.

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Answer:

10^24 kilo

Explanation:

the moon's mass is 10^24

The carousel that rotates at 0.10 rev/s, takes 125.66 s to go around twice

To solve this uniform circular motion (UCM) problem the formula and the procedure we will use is:

w= (2*π *n)/t

Where:

Information about the problem:

Applying the angular velocity formula and isolating the time, we get:

w= (2*π *n)/t

t = (2*π *n)/w

t = (2 * 3.1416 * 2)rev / 0.10 rev/s

t = 125.66 s

When an object is in uniform circular motion, the angle described by the radius in each unit of time is known as angular velocity. It is measured in units of (rad/s) (revolutions/s).

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The data link layer of the OSI model is targeted by the threat of layer 2 attacks.

The International Organization for Standardization (IOS) developed the open system's interconnection (OSI) model, a conceptual framework that enables various communication systems to exchange data via agreed-upon protocols. The OSI, or Open Systems Interconnection, offers a standard for various computer systems to be able to communicate with one another.

One could think of the OSI Model as a common language for computer networking. Its foundation is the idea that a communication system may be broken down into seven abstract levels, each one built on top of the previous.

Hence, the threat of a layer 2 assault is directed against the OSI model's data link layer.

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0.1111 W/m²  is the sound intensity at a distance of 27 m from the generator.

The amount of energy travelling through a unit area in a unit of time perpendicular to the direction of the sound waves is known as the sound intensity. Sound intensity is inversely related to the square of the sound's distance when all other factors are held constant. This is,

I ∝ (1/r²)

I = k/r²

Since k can be the constant of proportionality. k = Ir²

We can write this relation as

I₁ × r₁² = I₂ × r₂²

I₁ = 0.25 W/m²

r₁ = 16 m

I₂ = ?

r₂ = 24 m

0.25 × 16² = I₂ × 24²

I₂ = (0.25 × 16²)/24²

I₂ = 0.1111 W/m²

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The fluid with a volume of 24 l that weighs 205 N has a mass of: 20.918 kg and a density of: 0.8715 kg/l

To solve this exercise, the formulas and procedures to be applied are:

Where:

Information about the problem:

Applying the weight formula and clearing the mass we get:

W = m * g

m = W/g

m = 205 N/9.80 m/s²

m = 20.918 kg

Applying the density formula, we get:

d = m/v

d = 20.918 kg/ 24 l

d = 0.8715 kg/l

It is a physical quantity that expresses the ratio of the body mass to the volume it occupies.

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The purpose of Archimedes screw is to lift water to a higher point than the source of water.

In an Archimedes screw a helical screw is enclosed in a tube. So water entering the tube is trapped in the first pocket. As the screw turns, the water trapped in the first pocket moves up to the next pocket and a new  scoop of water enters the first pocket. As the screw keeps turning the water gets risen to a higher level than the initial level.

Therefore, the purpose of Archimedes screw is to lift water to a higher point than the source of water.

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What is it?

The Archimedes Screw allows people to draw water uphill, and this was made over 2,000 years ago! This simple invention had huge implications and it has been used on everything from irrigation to bilge pumps on ships.

How is it used today?

Humans still use this device today for many different reasons. As well as being able to move water uphill, it's also used in the hydroelectric industry where the design is reversed. In other words, water flows downward through the screw, tuning it, and generating electricity.

In addition, the screw pump is used today in modern medicine to maintain steady blood flow within patients who have acute heart failure.

The answer to the given question is 820 Kelvin. Gauss' Law demonstrates how electric fields, E, can be produced by static electricity, q. Gauss' Law, which bears the name of German physicist Carl Friedrich Gauss, is the third of Maxwell's four equations. According to Gauss' Law, an electric charge, qv, or static electricity, produces an electric field, E. (voltage).

This question is an application of Gauss Law, which states that the pressure P and temperature T of an ideal gas are directly proportional to one another. In other words, adiabatic increase in pressure will result in the same rise in temperature. Mathematically,

it can be written as: 

P1/ T1 = P2/ T2

Therefore, Temperature T2 = 275 kPa * 298K / 100 kPa = 820 K. Thus, the minimum compressor exit temperature possible is 820 Kelvin.

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