Fill in these blanks:
If you increase the temperature of gas in a container that cannot expand, the pressure will _______. This is because the particles in the gas are moving _______ and colliding _______ often.

The density of the plastic found inside the box would be = 960kg/m³

The volume of the box at the recycling center= 0.125m³

The mass of the full box = 120kg

The formula use to calculate the density of the plastic = mass/volume.

That is ; Density = mass /volume = kg/m³

Density = 120/0.125

= 960kg/m³

The type of plastic that is in the box is LDPE (low density polyethylene). This is because the density calculate fell within the range of 940–960 kg/m3.

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Complete question:

A recycling center has a 0.125 m³ box filled with one type of plastic. The full box has a mass of 120 kilograms. What is the density of the plastic? What type of plastic is in the box? JUSTIFY your answer.

The negative sign of the force implies that it is in the opposite direction of other force to be in equilibrium.

The force of attraction or repulsion occurring between two charged particles is known as electrostatic force. It is also known as Coulomb's force.

Here,

The three point charges are placed rectilinearly at equal distances of 20m apart. Thus they can be shown as an equilateral triangle of side 20 mm and the three point charges are placed at its corners.

So, when the electrostatic forces between the point charges are calculated, the force exerted by A on B is -135 N.

The negative sign of the force implies that it is opposite to the direction of the rest of force. That means the force exerted by A on B  and the remaining resultant forces must be equal and opposite in direction. This is to attain equilibrium of forces.

Hence,

The negative sign of the force implies that it is in the opposite direction of other force to be in equilibrium.

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Answer:

true

Explanation:

By adding a thin layer of oil or even water between two objects, you convert the sliding friction to fluid friction.

Answer:

Yes, they never break trust. The answer is water. It falls in the waterfall but never breaks, and it breaks in the surf from the incoming tide, but never falls.

Explanation:

Density of the plastic is 0.9 g/cm³.

The type of plastic collected are yogurt cups and plasticwares.

Density of a substance is defined as the mass per unit volume of the substance.

Here,

Mass of the plastic, m = 2.2 g

Volume of the plastic, V = 2.5 cm³

So, density, ρ = m/V

   ρ = 2.25/2.5

   ρ = 0.9 g/cm³

Recyclable plastics are sorted on the basis of their densities. Here, the density of the collected plastic is 0.9 g/cm³. So, the plastic material must be  yogurt cups and plasticwares.

Hence,

Density of the plastic is 0.9 g/cm³.

The type of plastic collected are yogurt cups and plasticwares.

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The gravitational force between them and the orbital speed of Jupiter is 4.385×10^23 N and 13.081 km/s.

Mass of Jupiter, m = 2 × 10^27 kg

Mass of Sun, M = 2 × 10^30 kg

the radius of Jupiter's orbit, R = 7.8 × 10^11 m

=> distance b/w Sun and Jupiter = radius of the Jupiter's orbit = R

Gravitational force b/w them = GMm/(R^2)

= (6.67 × 10^-11)×(2 × 10^30)×( 2 × 10^27) / (7.8 × 10^11)^2

= 4.385×10^23 N

since, centripetal force = centrifugal force

=> F = GMm/(R^2) = (mv^2)/R

=> v = √(GM/R) = 13.081 km/s

Gravitational force is a fundamental force in physics that governs the interactions between massive objects. According to Newton's law of gravitation, every object in the universe exerts a gravitational force on every other object, with the strength of the force proportional to the product of their masses and inversely proportional to the square of the distance between them.

The gravitational force between two objects causes them to attract each other, with the direction of the force being along the line connecting the centers of the objects. The gravitational force is always attractive and never repulsive, and it is responsible for many phenomena in the universe, from the orbits of planets around the Sun to the motion of stars within galaxies.

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Complete Question:

The planet Jupiter of mass 2 x 1027Kg revolves around the sun of mass 2 x 10"kg in a circular orbit of radius 7.8 x 10''m. Calculate the gravitational force between them and the orbital speed of Jupiter.​

Ionic compounds can be created when elements from Groups 1 and 17 mix one to one ratio.

To create ionic compounds, group 1 and group 17 elements can combine one to one.

In addition, group 8A (or VIIIA) of the periodic table contains the noble gases or inert gases helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon. As a result, if any elements from this group are present, they will not bond (Rn).

The name of these elements refers to how little they react with other elements or compounds. An example of bonding is, when carbon and oxygen atoms join in a 1:2 ratio, carbon dioxide is produced; when they combine in a 1:1 ratio, carbon monoxide, or CO, is produced.

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Using the model, the absolute maximum value of acceleration is 21.698 m/s² and the absolute minimum value of acceleration is 14.597 m/s² between liftoff and the jettisoning of the solid rocket boosters.

Solid rocket boosters (SRBs) are large rocket engines used to provide the majority of the thrust required for a spacecraft during its initial launch phase. They are called “solid” because they contain solid propellant, that burns at a controlled rate to produce thrust.

In the given problem:

We know,

v(t)=0.001500000t³-0.08t²+16.02t-2.37

Acceleration will be derivative of velocity

Hence, a=dv/dt=0.0045t2-0.16t+16.02

at t=0,a=16.02 m/s²

Now the maximum acceleration will be at endpoint i.e., t=57.5s

so at t=57.5 s, a=21.698 m/s²

For minimum acceleration, a'(t)= 0.009t-0.16<0

t<17.77

Minimum acceleration will be at t=17.77 s, a(t)=14.597 m/s²

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The question is incomplete, but most probably the complete question is,

A University of Rochester student decided to depart from Earth after his graduation to find work on Mars. Before building a shuttle, he conducted careful calculations. A model for the velocity of the shuttle, from liftoff at t = 0 s until the solid rocket boosters were jettisoned at t = 57.5 s, is given by (in feet per second). Using this model, estimate:

the absolute maximum value = ??

and absolute minimum value - ??

of the ACCELERATION of the shuttle between liftoff and the jettisoning of the boosters.

Just the phone and battery should be where they should be on the photographs.

The term "matter" refers to a substance that is composed of several kinds of particles, occupies space, and has inertia. The numerous kinds of particles each have a unique mass and size, according to the fundamentals of current physics. The electron, proton, and neutron are three of the most well-known instances of material particles.

All objects with mass and volume are considered to be matter (takes up space). It is usually pretty easy to show that the everyday items we interact with have mass and occupy space.

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The voltage drop across the tungsten filament in a 100W light bulb is 120 volts.

We can use Ohm's Law to find the voltage drop across the tungsten filament:

V = I * R

Where

Substituting the given values, we get:

V = (0.833 A) * (144 Ω)

V = 120 V

Therefore, the voltage drop across the tungsten filament in a 100W light bulb is 120 volts.

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The temperature of the laser rod increases by 21.33 degrees Celsius each minute due to the failure of the cooling system.

When heat is transferred to an object, its temperature increases. The amount of temperature increase depends on the amount of heat transferred, the mass of the object, and its specific heat.

To calculate the temperature increase of the laser rod, we can use the formula:

ΔT = Q / (m * c)

where ΔT is the change in temperature, Q is the heat absorbed, m is the mass of the laser rod, and c is the specific heat of the material.

In our case, the laser rod is a closed system, and the heat added is 64 kcal per minute.

Substituting the given values, we get:

ΔT = 64 kcal / (5 kg * 0.3 kcal/kg•Co)

ΔT = 21.33 Co

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Answer:

I believe that the Big Bang Theory is a valid explanation for the beginning of time. Areas of research that have the greatest potential for more discovery include dark matter and dark energy, the nature of the inflationary period, and the origin of the matter-antimatter asymmetry.

Problems with the Big Bang Theory that lead me to reject it include the lack of a satisfactory explanation for the origin of the initial conditions of the universe, the lack of a satisfactory explanation for the origin of the matter-antimatter asymmetry, and the lack of a satisfactory explanation for the origin of the inflationary period. An alternate theory could be the Cyclic Universe Theory, which proposes that the universe goes through an infinite cycle of expansion and contraction.

Minerals are any chemical substance which forms naturally in the Earth

Define mineral.

Minerals are those substances found in foods and in the earth that our systems require for healthy growth and development. Calcium, phosphate, potassium, sodium, chloride, magnesium, iron, zinc, iodine, chromium, copper, fluoride, molybdenum, manganese, and selenium are among the nutrients that are crucial for good health.

Compounds found only in living creatures are typically not considered minerals according to geological definitions. However, some minerals, like calcite, are frequently biogenic or, in terms of chemistry, are organic molecules (such as mellite). Additionally, living things frequently produce inorganic crystals (like hydroxylapatite), which are also found in rocks.

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Answer:

A packing crate of weight 50N is placed on a plane inclined at 35°from the horizontal. If the coefficient of static friction between the crate and the plane is 0.65, will the crate slide down the plane? asked by Siyam February 26, 2022 1 answer normal force = m g cos 35 = 50 cos 35 = 41 Newtons so max friction force up slope = 0.65 * 41 = 26.6 N

Explanation:

The acceleration of the skydiver is approximately +5.4 m/s².

We can use Newton's second law of motion, which states that the net force acting on an object is equal to its mass times its acceleration:

Net force = mass x acceleration

In this case, the net force is the force due to gravity minus the force due to air resistance:

Net force = force due to gravity - force due to air resistance

So we have:

(700 N) - (322 N) = (70 kg) x acceleration

Simplifying this equation, we get:

378 N = (70 kg) x acceleration

To find the acceleration, we can divide both sides by the mass:

acceleration = 378 N / (70 kg)

acceleration = 5.4 m/s²

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Answer:

(b) the speed of light depends on the index of refraction of the medium thru which it is traveling - different colors have different indices of refraction and are refracted at different angles

The expression for the acceleration is the same in both cases, indicating that the moment of inertia of the pulley does not affect the acceleration of the masses.

An Atwood's machine consists of two masses connected by a rope that passes over a pulley. The acceleration of the masses can be found by applying Newton's second law to each mass separately. The force due to gravity and the tension in the rope are the only forces acting on the masses.

If we consider the moment of inertia of the pulley, the acceleration can be found using the net forces on each mass. However, if we ignore the moment of inertia of the pulley, the acceleration can be found using the net force on the system. However, the expression for the acceleration is the same in both cases, meaning that the moment of inertia of the pulley does not affect the acceleration of the masses.

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The earth quakes are produced due to the sudden movements of tectonic plates in the earth's crust. The earthquake is one of the major natural disasters.

An earthquake is defined as the shaking of the surface of the earth because of the sudden release of energy in the earth's crust. The waves created during the earthquake are called seismic waves.

The Qinghai earthquake was one of the severe earthquake which occurred on April 14, 2010 in the isolated southern Yushu Tibetan area in  Qinghai province, which is in china on the northeastern portion of the plateau of Tibet.

Many peoples were killed and damaged many belongings also.

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If the final potential difference across the 69micro -f then capacitor is 40Mf

We cannot expect simple energy conservation to hold because energy is presumably dissipated as heat in the connection wires or as radio waves while the charge oscillates during the system "settling down" to its final state (40V across the parallel pair of capacitors C and 60 F).

We anticipate that charge will be conserved. Thus, if Q is the initial charge stored on C and q 1 and q2 are the charges on the parallel pair after "settling down," then -

Q= q1+ q2

C(100V) = C(40V) + 60mf(40V)

C= 40Mf

An electrical component that stores electrical energy in an electric field is known as a capacitor. It is made up of two conductive plates separated by a nonconductive material known as a dielectric.

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Answer:

Explanation:

Given that ,

A man who weights is 50N climbs up 100 steps of a stair

each step is 0.2m high

mg=50N

Height at 100 steps , h=100×0.2=50 m

Change in potential energy , =mgh=50×50=2500 J

So, Work done by the man , W=2500 J

The constituent particles of material A are heavier than those of material B.

A material with smaller, more heavy, and closely spaced atoms will have a higher density. A substance's density will decrease if its bigger, lighter atoms are separated from one another more widely.

The densities of solids, liquids, and gases are determined by the separations between the particles in each state of matter.

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Answer:

V = sqrt(2gh)

V = sqrt(2 * 9.8 * 10)

V = sqrt (196)

V = 14 m/s

Answer:

V = sqrt(2gh)

V= sqrt(29.8 10)

V = sqrt (196)

V=14 m/s

The approximate TOD of the victim is Maybe around 4:30 pm.

The liver temperature can provide a more accurate representation of the genuine core body temperature, hence it is ideal to take the temperature either rectally or by monitoring the liver temperature.To do this, a tiny incision must be made in the right upper belly, and the thermometer must be inserted into the liver tissue.

This stiffening process, known as rigor mortis, occurs at a fairly known time, making it possible to predict when someone will pass away.In overall: If the body is warm and there is no rigidity, the time of death was less than three hours ago.If the body is stiff and warm, death happened 3 to 8 hours earlier.

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The words that fill the blanks are;

increases

decreases

Force and acceleration are directly proportional to each other, according to Newton's second law of motion. The law states that the acceleration of an object is directly proportional to the force applied to it, and inversely proportional to its mass. Mathematically, this can be expressed as:

F = ma

where F is the force applied to an object, m is its mass, and a is its resulting acceleration.

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Explanation:

itd D because a and b both have something to represent the answer

For instance, someone travelling at an average speed of 40 miles divided by 40 minutes, or 1 mile per minute, is travelling 20 miles north and then 20 miles south (60 mph).

Calculating average speed involves dividing the whole distance travelled by the total time it took to cover that distance. Speed is the rate of movement of something at a specific time. Average speed refers to the average speed during the course of a journey.

Speed equals distance x time is the speed equation. The meter per second, abbreviated as m/s or ms-1, is the SI unit of speed.

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For eligible renewable energy technology and projects, a number of tax credits, grants, and loan programmes are offered by the federal government.

Fossil fuels are burned to produce energy, which produces a sizable amount of greenhouse gas emissions that contribute to global warming. Even when taking into account the entire life cycle of the technologies, the majority of renewable energy sources produce negligible to no emissions.

Subsidies have helped reduce dependency on fossil fuels by expanding the use of renewable energy sources. This is crucial for lowering greenhouse gas emissions and preventing an increase in global temperatures.

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Option 3 shows the shape of the resultant pulse when the centers of the

pulses, points P and Q, coincide.

What is a pulse of a wave?

A pulse of a wave is a single disturbance or vibration that travels through a medium, carrying energy without permanently displacing the medium. It is a type of wave that is characterized by a single disturbance or oscillation that travels through a medium, such as air or water, and creates a temporary disturbance in the medium's equilibrium. A wave pulse can be described by its amplitude (the height of the disturbance), its wavelength (the distance between successive peaks or troughs), and its speed (the rate at which the disturbance travels through the medium).

Q's crest amplitude = Q's Trough amplitude= P's Crest amplitude

and P's wavelength = Q's wavelength

then when you lay them on top of each other

Q's crest combines in phase with the first half of P's crest and they double where as

Q's trough combines out of phase with the second half of P's crest and they negate each other

resulting in something that looks like choice 3

Therefore, Option 3 is the correct answer.

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L/M = 1000 L Sun/MSun Based on the spectral category and luminosity group of a star, a classification is made. Cepheids are an illustration of a variable star.

A)M≈1MSun

b)L≈1000LSun

c)1000

D) Wrong; every main-sequence star upon that HR diagram turns helium into hydrogen. T 10 7 years

SUPER HUGE AND RED GIANT:

The H-R diagram's upper right corner may be located there. It is incredibly cool but very bright.

THE SUN, FOR EXAMPLE, IS IN THE Major, AS ARE THE HEATEST AND LIGHTEST STARS IN The GALAXY.

Very hot and faint White Dwarfs with a radius that isn't significantly greater then Earth.

Stars on the lower left of both the H-R diagram have smaller radii and higher temperatures than low-luminosity main-sequence stars.

Main-sequence stars with a lengthy lifetime are much less brilliant, colder, smaller, and far less massive than main-sequence stars having short lifetimes.

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                                         ''Complete question"

What is the approximate mass of the most massive stars left on the main sequence of this star cluster?

a) M≈0.1M Sun

b) M≈1 M Sun

c) M≈10M Sun

d) M≈100M Sun

Part B

What is the luminosity of the most luminous stars in the cluster?

a) L≈ 1LSun

b) L≈ 10LSun

c) L≈ 100LSun

d) L≈ 1000LSun

Part C

Compute the ratio between the luminosity from part B to the mass from part A. How does that ratio compare with the Sun's ratio of luminosity to mass?

L / M = __ LSun /MSun

Part D

Estimate the maximum amount of time these very luminous stars can last as red giants from your answer to part C.

a) t≈ 10^5 years

b) t≈ 10^7 years

c) t≈ 10^9 years

d) t≈ 10^11 years