What is the relationship between Newton first law of motion and inertia
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The time for one complete oscillation will not depend on any of the factors listed. Option D

A pendulum is composed of a string that is vertically suspended and the end of the string has a mass attached to it. The period of the pendulum refers to the umber of oscillations that occur after the pendulum is displaced through  small angle.

Given that the period of a pendulum is;

T = 2π√l/g

T = period of the pendulum

l = length of the pendulum

g = acceleration due to gravity

Hence, the time for one complete oscillation will not depend on any of the factors listed. Option D

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Missing parts;

For a mass suspended on a spring in the vertical direction, the time for one complete oscillation will depend on: a)the value for g (the acceleration due to gravity) b)the distance the mass was originally pulled down c)the maximum speed of the oscillating mass d)the time doesn't depend on any of the above

Although most astronomers assume dark matter really exists, there is at least one other possible explanation for the phenomena attributed to dark matter. What is it?

It's possible that our understanding of how gravity behaves on galaxy-scales is inaccurate or lacking in some way.

We surmise that dark matter exists based on its gravitational pull on visible matter. In order to rule out the idea that our comprehension of gravity is leading us to incorrectly infer the presence of dark matter, the majority of scientists believe it to be extremely unlikely that there is a problem with our knowledge of gravity. As long as it is too faint for us to perceive beyond the halo of our galaxy, astronomers regard dark matter to be "dark." If a human were to be hurled into the halo of our galaxy, they might end up being dark matter. An estimated 85% of the universe's mass is assumed to be made up of dark matter, a hypothetical type of stuff. Dark matter is so-called because it doesn't seem to interact with the electromagnetic field, which means it doesn't emit electromagnetic radiation like light or absorb electromagnetic radiation like it does. As a result, it is hard to detect. Numerous astrophysical observations support the existence of dark matter, including gravitational effects that cannot be described by the gravity theories currently in use without the presence of more matter than can be observed. Because of this, the majority of scientists believe that dark matter is prevalent in the universe and has greatly influenced its structure and evolution.

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The direction of current flow is given by an arrow in the electrical circuit.

Several categories are used to categorise electrical circuits. One-way current only flows through a direct-current circuit. As with most residential circuits, an alternating-current circuit is a channel for transmitting electrical current that pulses back and forth numerous times each second.

A battery or generator, a device that provides energy to the charged particles that make up the current, a device that uses current, such as a lamp, an electric motor, or a computer, and the connecting wires or transmission lines make up an electrical circuit.

A source of electrical power, two wires that can transmit current, and a light bulb make up an electrical circuit. Both wires have one end connected to a cell terminal and the other end connected to a light bulb. When the light bulb is turned off, the electrical circuit is disrupted.

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A Final statement or concluding statement

As, Pressure(P)=(Force(F))/(Area(A)) . So, By Lying down flat on the ice and crawl towards shore will help to get off the ice safely.

Pressure and area of contact are related in such a way that they are inversely proportional to each other.

As the area shrinks, so does the pressure.

Consider the difference between the pressure exerted by a finger pressing on the skin and the pressure exerted by a needle attached to a syringe.

When pressed, the finger may cause a slight depression on the skin but may not cause any pain.

When the same force is applied to a needle, however, the pressure produced  is sufficient to puncture the skin.

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Polynomials can be classified based on the number of terms is contains which may be monomial, binomial, or trinomial.

Polynomials are algebraic expressions that contains a constant that is multiplied by one or more variables.

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The complete question:

Classify each polynomials based on the number of terms it contains.

-2x^2-x+3.5

10xyz^3

-x^2y^2+2y

8x^2+0.25

x^3y^4+2x^2y-3z

When both glucose and lactose are present in the media in which E. coli is growing the preferred carbon source of is glucose.

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The time it will take for the shock wave in years to sweep through the cloud is 3.2075 x 10⁷ years.

Velocity is the directional speed of a moving object as an indicator of its rate of change in location as perceived from a certain frame of reference and measured by a specific time standard.

As it is known that one parsec is equal to 3.086×10¹⁶ meters. Therefore, the diameter of the molecular cloud is,

Diameter of the molecule = 59 pc

                                            = 59 × 3.086×10¹⁶ meters

                                            = 1.82074 × 10¹⁸ meters

                                            = 1.82074 × 10¹⁵ kilometres

Given that the shock wave sweeps through at 18 km/s. And as it is known that velocity is the ratio of distance and time. Therefore, the time it will take for the shock wave to sweep through the molecule cloud is,

Velocity = Distance / Time

18 km/s =  1.82074 × 10¹⁵ km / Time

Time = 1.82074 × 10¹⁵ km / 18 km/s

t = 1.01152x10¹⁴ seconds

Since one year is equal to 31,536,000 seconds, therefore, the time in  years is equal to,

t = 1.01152x10¹⁵ seconds / 31,536,000 seconds per year

t = 32,075,088.79 years

t = 3.2075 x 10⁷ years

Hence, the time it will take for the shock wave in years to sweep through the cloud is 3.2075 x 10⁷ years.

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The break up of the supercontinent Rodinia and changes in climate due to increased weathering and carbon dioxide drawdown are likely causes of snowball earth.

Rodinia was a supercontinent that assembled 1.1–0.9 billion years ago and broke up 750–633 million years ago. The extreme cooling of the global climate around 717–635 million years ago (the so-called Snowball Earth of the Cryogenian period) and the rapid evolution of primitive life  are thought to have been triggered by the breaking up of Rodinia

The results revealed the breakup of Rodinia occurred over the same geological time period as carbon dioxide declined and temperatures fell. That, Meert said, pointed to Rodinia's breakup as the cause of Snowball Earth

The break-up of a supercontinent may have caused a 'Snowball Earth'. The Earth might have been sent into an ice age by the break-up of a supercontinent 750 million years ago, creating a global snowball. The break-up probably caused an increase in rainfall and weathering of rock

Just as shattering a rock into pieces increases its exposed surface area, so breaking up the supercontinent increased the amount of land exposed to the elements and resulted in a more active hydrological cycle

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This bending of light is called "refraction".

Simply said, reflection is the act of light reflecting back when it strikes a medium on a plane. Refraction is the process by which light shifts as it travels through a material, causing the light to bend. The medium receives the light that originally entered it back.

Refraction is the scientific term for this bending of light. It occurs when light travels through one medium and then through another where the speed of the light is different. It occurs when light travels from the air into the glass in the telescope eyepiece or even in your spectacles.

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Answer:

E. refraction

Explanation:

Answer:

[tex]1275 kg*m/s[/tex]

Explanation:

We'll use the momentum equation:

[tex]p=mv[/tex]

where:

p = momentum

m = mass

v = velocity

Since we're doing the magnitude of momentum of the system, we'll add the mass of the cyclist and the mountain bike together:

[tex]70.0 kg + 15.0kg=85.0 kg[/tex]

Given that, we can now substitute our given values into the momentum equation:

[tex]p=mv\\p=85.0kg*15.0m/s[/tex]

Our final answer is:

[tex]p= 1275 kg*m/s[/tex]

Answer:

Approximately [tex]143\; {\rm T}[/tex] assuming that this transmission line is straight and infinitely long.

Explanation:

Lookup the permeability of free space: [tex]\mu_{0} = 4\, \pi\; {\rm T \cdot m \cdot A^{-1}[/tex].

Consider an infinitely-long straight wire in empty space carrying a current of [tex]I[/tex]. At a distance of [tex]r[/tex] from this wire, the magnitude of the magnetic field from the wire would be:

[tex]\begin{aligned} B &= \frac{\mu_{0}\, I}{2\, \pi\, R}\end{aligned}[/tex].

In this question, it is given that [tex]I = 500\; {\rm A}[/tex]. At a distance of [tex]R = 7.0\; {\rm m}[/tex] from this wire, the magnitude of the magnetic field from this cable would be:

[tex]\begin{aligned} B &= \frac{\mu_{0}\, I}{2\, \pi\, R} \\ &= \frac{(4\, \pi \; {\rm T \cdot m \cdot A^{-1}}) \, (500\; {\rm A})}{(2\, \pi)\, (7.0\; {\rm m})} \\ &\approx 143\; {\rm T}\end{aligned}[/tex].

Tension reinforced section is when you have steel reinforcement (rebar) on the tension controlled region where the rebar is used to counteract the lack of tensile strength in concrete. When reinforcement is only present in the tension zone, you have a singly reinforced beam.

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The capacitive reactance is reduced by a factor of 2.

We know the capacitive reactance is given as,

[tex]Xc = \frac{1}{2\pi fC}[/tex]

where,

[tex]Xc\\[/tex] = capacitive reactance

f = frequency

C = capacitance

It is given that frequency is doubled, i.e.,

f' = 2f

To find,

[tex]Xc[/tex] =?

[tex]Xc' = \frac{1}{2\pi f'C}[/tex]

      [tex]= \frac{1}{2\pi 2f C}[/tex]

      [tex]= \frac{1}{2} (\frac{1}{2\pi fC} )\\[/tex]

[tex]Xc' = \frac{1}{2} Xc[/tex]

Therefore, the capacitive reactance is reduced by a factor of 2.

I understand the question you are looking for is this:

A capacitor is connected across an AC source. Suppose the frequency of the source is doubled. What happens to the capacitive reactant of the inductor?

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Answer:

Giant impacts in its early history may have torn away much of its original crust and mantle.

So Mercury has a giant iron core, but why?

There are three general ideas.

1. Mercury was once the core of a gas giant that vaporized when the Sun became a fully-fledged star. This gas giant was probably more like Uranus or Neptune than Jupiter or Saturn.

There are significant issues here, especially that Mercury's existing surface has been exposed to space since the solar system's initial beginnings. On Mercury, remnants of the first massive bombardment have been found.

2. Mercury formerly had a deeper mantle and was a bigger terrestrial planet. During the early history of the solar system, a dwarf planet made a massive impact that robbed the planet of its mantle.

The existing surface of Mercury has been exposed to space since the very beginning of the solar system, which raises major issues once more.

Due to the factors in explanation 1, characteristics from the first significant bombardment have been found on Mercury. The quantity of low temperature volatiles that are trapped and sometimes sublimate out of the crust, causing hollows, is also a major issue. By such an impact, these low temperature volatiles—such as sodium, sulphur, magnesium, etc.—would have been completely pushed out.

3. A mostly iron-rich body developed, and "rock steam"—a gaseous mixture of atomic oxygen and silica—condensed and accreted onto it from the protoplanetary disk near the Sun. Small rock particles with lower temperature volatiles were subsequently formed into a crust. Additionally, it appears that iron was concentrated in the inner region of the protoplanetary disk by the Sun's early, extremely powerful magnetosphere.

Whilst there are a few minor issues with this, this appears by far the most likely scenario.

Its crust and mantle may have been significantly altered during its early history by massive collisions.

The extremely hot and dense core of Earth is called the core. Under the mainly solid mantle and the chilly, brittle crust is the ball-shaped core. The radius of the core is about 3,485 kilometers, and it can be located around 2,900 kilometers (1,802 miles) beneath the surface of the Earth (2,165 miles). Earth is more ancient than the core.

Approximately 4.5 billion years ago, Earth was a uniform ball of hot rock. The ball warmed up considerably more due to radioactive decay and residual heat during planetary formation. After roughly 500 million years, the temperature of our new planet reached 1,538 degrees Celsius (2,800 degrees Fahrenheit), which is the temperature at which iron melts. The iron catastrophe refers to this critical moment in Earth's history.

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Answer:

1. A proton's magnetic moment arises from a fundamental quantum property called spin, which causes the proton to behave as a tiny bar magnet with a north and a south pole. When placed in an external magnetic field, the proton's spin can either align with the field or flip to orient itself against the field

2. The force can change the direction (velocity) of the proton but not its speed (magnitude).

The components that are a possible representation of vector w if the magnitude of vector -3w is ||-3w||=15 are:

From the question, we were given:

|-3w| = 15

3|-w| = 3|w| = 15

Hence:

|w|  = 15/3

|w| = 5

If vector w is represented by <-3,4>, then:

 [tex]\sqrt{(-3)^2 + (4)^2} \\\\\\\sqrt{25} = 5[/tex]

If vector w is represented by <0,-5>

 [tex]\sqrt{(0)^2 + (-5)^2} \\\\\\\sqrt{25} = 5[/tex]

Therefore, The components that are a possible representation of vector w if the magnitude of vector -3w is ||-3w||=15 are:

See full question below

Which components are a possible representation of vector w if the magnitude of vector -3w is ||-3w||=15?

<1,-9>

<-3,4>

<4,5>

<-5,-3>

<0,-5>

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Atmospheric pressure is about 100000 pa. at h ≈ 10 m depth in water does this pressure double

Water pressure is the result of the weight of all the water above pushing down on the water below. As you go deeper into a body of water, there is more water above, and therefore a greater weight pushing down. This is the reason water pressure increases with depth.

The atmospheric pressure at a point is defined as the force acting normally on a unit area around that point, due to the total height of the air column of the atmosphere above it.

Pressure in depth = Atmospheric pressure + (rho) * g * h

where

rho = density of water

g = acceleration due to gravity

h = depth in water

P = Po + rho * g * h

2 * [tex]10^{5}[/tex] =  [tex]10^{5}[/tex]  + [tex]10^{3}[/tex] * 9.8 * h

h = 10.20 m

h ≈ 10 m

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A skater can spin faster by pulling her arms closer to her body or spin slower by spreading her arms out from her body due to conservation of angular momentum.

What is conservation of angular momentum?

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The tension in the wire, the wave's speed, its frequency, and its average power are used to calculate the wave's amplitude.

To find the answer, we have to know about the simple harmonic motion.

                                 P = (¹/₂)(T/v²)(ω²)(A²)(v)

                                 P = (¹/₂)(T/v)(ω²)(A²)

                                 P = (¹/₂)(T/v)(2πf)²(A²)

where; U is the average power of the wave, T is the tension e wire, ω angular frequency of the wave, A is amplitude of the wave, v is the speed of the wave and f is frequency of the wave.

Thus, the tension in the wire, the wave's speed, its frequency, and its average power are used to calculate the wave's amplitude.

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(a) The mass of the block is 5.1 kg.

(b) The magnitude of the normal force of the block is 46.98 N.

(c) The maximum static frictional force between the block and the incline is 23.49 N.

(d) The gravitational force parallel to the plane is 17.1 N.

(e) The block will not slide after being placed on the incline since the parallel force is less than the maximum static frictional force.

(f) The acceleration will be in the direction of the static frictional force.

The given parameters in the question;

The mass of the block is calculated as follows;

W = mg

where;

m = W/g

m = (50) / 9.8

m = 5.1 kg

Fₙ = mg cosθ

Fₙ = W cosθ

Fₙ = 50 x cos(20)

Fₙ = 46.98 N

Fs = μs(Fₙ)

Fs = 0.5 x 46.98 N

Fs = 23.49 N

F = W sinθ

F = 50 x sin(20)

F = 17.1 N

F(net) = F - Fs

F(net)  = 17.1 N - 23.49 N = -6.39 N

Thus, the block will not slide after being placed on the incline since the parallel force is less than the maximum static frictional force.

a = F(net)/m

a = -6.39/5.1

a = -1.25 m/s²

The acceleration will be in the direction of the static frictional force.

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When a proton slows from 0. 8c up to 0. 6c, it’s kinetic energy decreases by what factor of 1/4.

Kinetic energy of a proton having a charge Q and Voltage V is given by:

Kinetic energy = Q×V

Where, Q is the charge

            V is the Voltage

Kinetic energy is directly proportional to the charge on a proton.

Let the kinetic energy of proton having charge 0.8C be KE₁ and kinetic energy of proton having charge 0.6C be KE₂

Hence KE₁ = 0.8 × V

KE₂ = 0.6 × V

Now, KE₁ / KE₂ = 0.8 V / 0.6 V

⇒          KE₁ / KE₂ = 4 / 3

⇒         KE₂ / KE₁ = 3/4

⇒         KE₂ = 3/4 times KE₁

Hence, the final kinetic energy becomes 3/4 times the initial kinetic energy.

The kinetic energy decreases by a factor of:

Change = KE₁ - KE₂

Change = KE₁ - 3/4KE₁

Change = 1/4 KE₁

Hence, the kinetic energy decreases by a factor of 1/4

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Heat is transferred from the sun-warmed surface of the earth to the cooler overlying troposphere via conduction.

Conduction, convection, latent heating, and water phase transitions all help to carry heat from the Earth's surface, which has been warmed by the Sun, to the cooler troposphere above.

Latent heat flux is the worldwide transfer of latent heat energy via water and air currents. Here, we demonstrate how air circulation transports latent heat energy horizontally to cooler regions, where it condenses into rain or is deposited as snow, releasing the heat energy that was previously trapped there.

When air is heated from below by sunshine or by coming into contact with a warmer land or sea surface, convection occurs and the air below becomes less dense than the air above.

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The answer is 12,500 cm³.

First, let's find the volume in m³.

Volume = Mass ÷ Density

Now, to convert from m³ to cm³ :

m³ × 10⁶ = cm³

According to Stephanie, is the optimal production quantity per cycle. The best output rate each cycle for each day of the week, as determined by Step 1 by Stephanie, might be: To calculate each model's daily demand, multiply the weekly demand for each model by 5.the total number of protons and neutrons found in an atom's nucleus.

The mass number is an production that roughly equates to the atomic mass's numerical value. Despite being unitless, the mass number is assigned atomic mass units (amu). The average atomic mass of any molecule or polyatomic ion can be determined from its composition by summing the rate masses of the constituent atoms.

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Your hand feels colder when it transitions from warm to "colder" (room temperature) water.

Your hand feels colder when you move it from the warm water to the "colder" (room temperature) water. Skin surface temperature will decrease in a constant ambient environment as a result of sympathetic nerve activity increasing and blood flow decreasing as a result of cutaneous receptors triggered by ice-water immersion of one hand in the palm skin of the non-immersed opposite hand.

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Explanation:

i think it give out energy when it melts

Answer:

Apparently, a measuring rod had been used incorrectly and the telescope was not focusing properly - changes were later made to the telescope to correct this problem.

The power required will be equal to 463.3 watt

Power is defined as the rate of work

[tex]P=\frac{W}{t}[/tex]

here P is power , W is work done , t is time taken

work done is defined as force times displacement

here s is displacement

here total force will be the weight of the firefighter plus the weight of gear

therefore F=(90+40)×9.8 N

so substituting value in equation of power we get

P=[tex]\frac{25480}{55}[/tex]

p=463.3 watt

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Newton's reformulation of kepler's third law allows us to measure the masses of bodies in orbit around each other, if we can measure the distances and periods of revolution

Isaac Newton made a reformulation of the 3rd law of Kepler with regards to the orbital periods of a planet and this helped to measure the masses of bodies in orbit around each other, if we can measure the distances and periods of revolution

This refers to the law of physics that states that the square of the orbital periods of a planet is directly proportional to the cube of the semi-major axis of its orbit

Hence, there was a reformulation of the 3rd law of Kepler by Isaac Newton with regards to the orbital periods of a planet and this helped to measure the masses of bodies in orbit around each other, if we can measure the distances and periods of revolution

This shows that the distances and periods of revolution are key aspects to neasyre the  masses of bodies in orbit around each other,

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