An object that is changing ___ is accelerating, even if it’s speed remains the same

The mass of the particle is [tex]\bold{1.26 \times 10^{-34} \,kg}[/tex]

                        [tex]\lambda &= \frac{k}{mv}[/tex]

                            [tex]\begin{aligned}\\\\m &= \frac{k}{v\lambda}\\\\&= \frac{6.6261\times 10^{-34}\, m^2\,kgs^{-1}}{2.34\times10^6\,ms^{-1}\times 2.25\times 10^{-9}\,m}\\\\&=\small 1.26\times 10^{-31}\, kg\end{aligned}[/tex]

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The inner planet Mercury, Venus, Earth, and Mars are believed to have been formed by the combination of asteroid-sized debris.

Planets are formed through the collision of asteroid-sized space debris.

Space debris includes both naturally occurring meteoroids and man-made (artificial) orbital junk.

The majority of manufactured debris is in orbit around the Earth, unlike meteoroids, which are in orbit around the sun (thus the phrase "orbital" debris").

The collisions of micrometeoroids, which are dust-sized pieces of asteroids and comets, naturally produce some debris.

Operational satellites may become space trash due to their short lifespans.

Due to the elevated potential of collision with and damage to operational satellites, the building of space trash poses a particularly catastrophic threat to humankind's future in space exploration.

Additionally, it might harm the environment of Earth.

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The magnitude of the force needed to supply 100 N m of torque to the bolt is 417 N

Here r = < 0, 0.3, 0 >

F = F < 0, 3, -4 >

T = r F sin θ

If v = < 0, 3, -4 >, θ is the angle between r and v

r . v = r v cos θ

0.9 = ( 0.3 ) ( 5 ) cos θ

Cos θ = 0.6

Sin θ = 0.8

T= r F sin θ

100 = 0.3 F ( 0.8 )

F = 417 N

Torque is a type of force which causes an object to rotate about an axis. Torque is represented as τ. Its unit is N m

Therefore, the magnitude of the force needed to supply 100 N m of torque to the bolt is 417 N

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The exact form of this dependence of period is given as T = 2π√(L/g).

The time period of a simple pendulum is defined as the time taken by the pendulum to finish one full oscillation and is denoted by “T”.

The equation for the period of pendulum oscillation is determined as;

T = 2π√(L/g)

where;

Thus, the exact form of this dependence of period is given as T = 2π√(L/g).

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The ear is composed of outer, middle, and inner parts. The large external auricle gathers sound waves of air and directs them into the external acoustic meatus to the tympanic membrane.

What is tympanic membrane?

A second name for the tympanic membrane is the eardrum. It divides the middle ear from the outer ear. The tympanic membrane vibrates as sound waves enter it. The middle ear's minuscule bones are thus exposed to the vibrations. The vibrating signals are then sent from the middle ear bones to the inner ear.

Therefore,

The ear is composed of outer, middle, and inner parts. The large external auricle gathers sound waves of air and directs them into the external acoustic meatus to the tympanic membrane.

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It is true that as soon as the marble is launched out of the cannon it is in the free fall (provided that there is no air resistance). The value of acceleration will be -10 m/s² for upward motion and 10m/s² for downward motion.

Free fall is defined as the condition in which the body moves under the influence of gravity alone. In the case of free fall, there is no air resistance.

Given in the question is a marble launched out of cannon.

Yes, as soon as the marble is launched out of the cannon it is in the free fall (provided that there is no air resistance) since it moves under the influence of gravity only. As soon as the marble is launched out of the cannon, it will follow a parabolic path. Now, it will move upwards and reach maximum height. From the launch to the maximum height, the marble will move opposite to that of gravity and hence the value of acceleration due to gravity will be g = - 10 m/s². After the maximum height is achieved, it starts to descend towards the ground such that the velocity vector and acceleration vector are both directed in the same direction. In this case, the acceleration due to gravity will be g = 10 m/s²

Therefore, it is true that as soon as the marble is launched out of the cannon it is in the free fall (provided that there is no air resistance). The value of acceleration will be -10 m/s² for upward motion and 10m/s² for downward motion.

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Answer:The sentence can have several meanings depending on how a person chooses to see it. Two sentences explaining the meaning of the pun in this sentence are given below:

The pun used in this sentence is meant to indicate that the person being spoken about has a place in the speaker's heart. Just as a pizza is shared into several portions, so does the person being spoken of, occupy a portion of the speaker's heart.

Pun is the humorous usage of a word in order to make use of its several meanings. Pun is a way of playing with words.

In the sentence above, the speaker plays with the word pizza as a replacement to the word, 'place'. When sharing pizza, it is usually divided into parts.

In the same way, the person who the speaker was referring to occupied a place in his heart.The sentence can have several meanings depending on how a person chooses to see it. Two sentences explaining the meaning of the pun in this sentence are given below:

The pun used in this sentence is meant to indicate that the person being spoken about has a place in the speaker's heart. Just as a pizza is shared into several portions, so does the person being spoken of, occupy a portion of the speaker's heart.

Pun is the humorous usage of a word in order to make use of its several meanings. Pun is a way of playing with words.

In the sentence above, the speaker plays with the word pizza as a replacement to the word, 'place'. When sharing pizza, it is usually divided into parts.

In the same way, the person who the speaker was referring to occupied a place in his heart.The sentence can have several meanings depending on how a person chooses to see it. Two sentences explaining the meaning of the pun in this sentence are given below:

The pun used in this sentence is meant to indicate that the person being spoken about has a place in the speaker's heart. Just as a pizza is shared into several portions, so does the person being spoken of, occupy a portion of the speaker's heart.

Pun is the humorous usage of a word in order to make use of its several meanings. Pun is a way of playing with words.

In the sentence above, the speaker plays with the word pizza as a replacement to the word, 'place'. When sharing pizza, it is usually divided into parts.

In the same way, the person who the speaker was referring to occupied a place in his heart.The sentence can have several meanings depending on how a person chooses to see it. Two sentences explaining the meaning of the pun in this sentence are given below:

The pun used in this sentence is meant to indicate that the person being spoken about has a place in the speaker's heart. Just as a pizza is shared into several portions, so does the person being spoken of, occupy a portion of the speaker's heart.

Pun is the humorous usage of a word in order to make use of its several meanings. Pun is a way of playing with words.

In the sentence above, the speaker plays with the word pizza as a replacement to the word, 'place'. When sharing pizza, it is usually divided into parts.

In the same way, the person who the speaker was referring to occupied a place in his heart.The sentence can have several meanings depending on how a person chooses to see it. Two sentences explaining the meaning of the pun in this sentence are given below:

The pun used in this sentence is meant to indicate that the person being spoken about has a place in the speaker's heart. Just as a pizza is shared into several portions, so does the person being spoken of, occupy a portion of the speaker's heart.

Pun is the humorous usage of a word in order to make use of its several meanings. Pun is a way of playing with words.

In the sentence above, the speaker plays with the word pizza as a replacement to the word, 'place'. When sharing pizza, it is usually divided into parts.

In the same way, the person who the speaker was referring to occupied a place in his heart.The sentence can have several meanings depending on how a person chooses to see it. Two sentences explaining the meaning of the pun in this sentence are given below:

The pun used in this sentence is meant to indicate that the person being spoken about has a place in the speaker's heart. Just as a pizza is shared into several portions, so does the person being spoken of, occupy a porti

In the same way, the person who the speaker was referring to occupied a place in his heart.

Explanation:

Answer:

The river current influences the motion of the boat and carries it downstream. The motorboat may be moving with a velocity of 4 m/s directly across the river, yet the resultant velocity of the boat will be greater than 4 m/s and at an angle in the downstream direction.

Explanation:

Answer:

See below

Explanation:

Acceleration = change in velocity / change in time

=  6 m/s / 4 s = 1.5 m / s^2

A solar system is a system in which the sun serves as the parent star and everything revolves around it. Everything also includes all planets, all moons, all asteroids, and all comets.

The gravitationally system comprising the Sun and the satellites in its orbit is referred to as the Solar System. The gravitational collapse of a massive interstellar molecular cloud gave it birth 4.6 billion years ago. The Sun has the great majority of the system's mass, with Jupiter holding the majority of the remaining mass.

The first four plants are referred to as terrestrial/Inner planets in our solar system. The asteroid belt is ahead of them. Mars, Venus, Mercury, and Earth are the planets.

Jovian/giant/outer planets are the planets that follow the asteroid belt in the solar system. Their atmosphere is dense and primarily made of hydrogen and helium. Jupiter, Saturn, Uranus, and Neptune are the planets after asteroid belt.

Hence, the sun, 8 planets, 63 moons, as well as millions of other minor bodies like asteroids and comets, as well as enormous amounts of dust and gases, make up the solar system.

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Gases move slower at temperatures, not pressures.

What happens to gas at low pressure?

All gases exhibit ideal behavior in low-pressure situations because when the pressure is very low, the gas particles are:

Far apart and rarely interacting

- gases move slower at temperatures, not pressures.

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The inertia with the speed of 2.9 m/s has moved a distance of 3.6 kilometers in the west direction and 2.35 kilometers in the north direction.

In mathematics, the trigonometric functions are real functions which relate an angle of a right-angled triangle to ratios of two side lengths. They are widely used in all sciences that are related to geometry, such as navigation, solid mechanics, celestial mechanics, geodesy, and many others.

Given:

Speed of the speed 2.9 m/s

The direction in which the inertia change is moving = 43° north west.

Time taken to travel the distance = 30 minutes

According to the question that is moving in a Northwest direction with a velocity of 2.9 m per second.

If you want to find the distance it has moved in either North or west direction you will first have to find the total distance that kayak has moved in 30 minutes.

The distance travel by the kayak in 30 minutes = speed of person × time taken

The distance travel by the person in 30 minutes = 2.9 × 30 × 60

The distance travel by the person in 30 minutes = 5220 metre

The distance travel by the person in 30 minutes = 5.22 km

The distance traveled in the west direction can be find using trigonometric ratio.

5.2 × sin 43 = The distance traveled in the west direction

The distance traveled in the west direction = 3.6 kilometers

The distance traveled in the west = cos 43 × 5.2

The distance traveled in the west = 2.35 km

Therefore, The person with the speed of 2.9 m/s has moved a distance of 3.6 kilometers in the west direction and 2.35 kilometers in the north direction.

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Answer: its B hence "An object with a higher mass has more inertia which causes it to speed up less quickly."

Explanation: i took the test

Answer:

Light is made up of different wavelengths, or colors, and white light is a combination of all of them. When a ray of white sunlight hits a patch of beach ball, the paint absorbs most of the wavelengths. It reflects the rest. For example, if the patch is blue, it reflects the blue wavelengths and absorbs all the others.

We see different wavelengths of light as different colors because they are associated to different wavelength, which activates different cells in the retina.

The Earth's atmosphere caused by blurring would govern the smallest angular size that could be resolved by the telescope.

Angular size refers to an object's apparent size as seen from an observer on Earth. Since telescopes collect and magnify the light from distant objects, the least angular size can be affected by the mount of lights gathered which could be affected by fuzzy earth atmosphere. Earth's atmosphere places serious limitations upon astronomical observations for two primary reasons.

First, the atmosphere is not equally transparent at all wavelengths and certain wavelength regimes are completely inaccessible from the ground. Hence, in desiring to build a telescope with a specific angular size, the earth atmosphere must be factored in.

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The radius of Earth to have the same mass density as matter in a nucleus is 1.80 x 10^3 m.

The density of a body is given by the following expression;

Density = Mass/Volume

Let the radius of Earth be r.

As the earth is a sphere, hence its volume will be 4/3 x π x r^3

So, the equation becomes

Density = Mass/(4/3 x π x r^3)

The mass of the earth is given as 5.98 x 10^24 kg and the density of the nucleus is given to be 2.4 x 10^14 m.

2.4 x 10^14 = 5.98 x 10^24/ (4/3 x 3.14 x r^3)

On Solving the above equation, the radius r comes out to be

r = 1.80 x 10^3 m.

Hence, The radius of Earth to have the same mass density as matter in a nucleus is 1.80 x 10^3 m.

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The average speed of the rolled marble across the floor is 1.5 m/s.

We need to know about the average speed to solve this problem. The average speed can be determined as the total distance divided by the total time. It can be written as

v = d / t

where v is average speed, d is distance and t is time.

From the question above, we know that

d = 15 m

t = 10 s

By substituting the given parameter, we can calculate the average speed

v = d / t

v = 15 / 10

v = 1.5 m/s

Hence, the average speed of the marble is 1.5 m/s.

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The stopping distance s from an initial speed of 80 mi∕hr will be 219 ft.

Here we can define the value t = 0s as the moment when the car starts decelerating.

At this point, the acceleration of the car is given by the equation:

A(t) = -10 ft/s^2

Where the negative sign is because the car is decelerating.

To get the velocity equation of the car, we integrate over time, to get:

V(t) = (-10 ft/s^2)*t + V0

Where V0 is the initial velocity of the car, we know that this is 88 ft/s

Then the velocity equation is:

V(t) = (-10 ft/s^2)*t + 88ft/s

To get the position equation we need to integrate again, this time we get:

P(t) = (1/2)*(-10 ft/s^2)*t^2 + (88ft/s)*t + P0

Where P0 is the initial position of the car, we do not know this, but it does not matter for now.

We want to find the total distance that the car traveled in a 3 seconds interval.

This will be equal to the difference in the position at t = 3s and the position at t = 0s

distance = P(3s) - P(0s)

= ( (1/2)*(-10 ft/s^2)*(3s)^2+ (88ft/s)*3s + P0) - ( (1/2)*(-10 ft/s^2)*(0s)^2 + (88ft/s)*0s + P0)

=  ( (1/2)*(-10 ft/s^2)*9s^2+ (88ft/s)*3s + P0) - ( P0)

=  (1/2)*(-10 ft/s^2)*9s^2+ (88ft/s)*3s = 219ft

The car advanced a distance of 219 ft in the 3 seconds interval.

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From the total plate count assay, the  colony forming units/ml (CFU/ml) of the original sample is 2.1 * 10⁸ CFU/mL.

The the Colony Forming Units/ml (CFU/ml) of a given sample of of cultured bacteria is a measure of the number of colonies formed per given mL f the final diluted sample of the cultured bacteria.

The formula for calculating the Colony Forming Units/ml (CFU/ml) of a given cultured bacteria sample is given as follows:

Where:

FDF is the final dilution factor

The final dilution factor is the product of all the dilution factors from the original sample to the countable plate.

From the dat provided:

FDF = 1 * 10⁻⁶

number of colony forming units on the countable plate = 210

The colony forming units/ml (CFU/ml) of the original sample = 210 * 1/1 * 10⁻⁶

The colony forming units/ml (CFU/ml) of the original sample = 2.1 * 10⁸ CFU/mL

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The  best represent the size of visible light will be C. Protozoa

The electromagnetic spectrum, gives the overall distribution of electromagnetic radiation by the  frequency or wavelength. All EM waves travel at the speed of light in a vacuum, but over a wide range of frequencies, wavelengths, and photon energies.

Visible light wavelengths cover the range of approximately 0.4 to 0.7 μm. electromagnetic spectrum that the human eye can see is the Visible light. Visible light is a form of electromagnetic (EM) radiation, along with radio waves, infrared, ultraviolet, X-rays, and microwaves. the wavelengths that are visible to most human eyes is generally known as Visible light

the best represent the size of visible light is Protozoa, According to the diagram of the electromagnetic spectrum shown,

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The force constant of the spring that compresses a distance of 2.28 cm when a 4.62 kg object is placed on top is 1.59 kN/m.

When the object comes to equilibrium, we have

∑[tex]F_{y}[/tex] = -k(-[tex]y_{0}[/tex]) -mg =0

The force constant

k=[tex]\frac{mg}{y_{0} }[/tex] = [tex]\frac{4.25*9.80}{2.62*10^{-2} }[/tex]

=1.59 x [tex]10^{3}[/tex] N

=1.59 KN/m

Spring constant is used to identify whether a spring is stable or unstable, and consequently, what system it should be employed in. It is stated mathematically as k = - F/x, which reworks Hooke’s Law.

Where x is the displacement caused by the spring in N/m, F is the force applied over x, and k is the spring constant.

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Answer:

It depends on the masses of the marbles that collide. The figure shows a marble with a smaller mass hitting a marble with a larger mass. The larger marble is at rest. After the collision, the marble with a smaller mass bounces off in the opposite directions

hope this helps :)

It is correct to state that if the human race continues to use energy as it currently does, without change, we will see negative environmental impacts all over the world in this century.

Global warming is the heating of the Earth's surface seen since the pre-industrial period because of human activities, mainly the combustion of fossil fuels, which boosts heat-trapping greenhouse gas levels in the Earth's atmosphere.

As an example, vehicles that run on fossil fuels, such as cars and buses, emit polluting gases into the atmosphere, causing the greenhouse effect and contributing to global warming.

To address these issues, it is necessary to raise public awareness so that there is a growing interest in and search for environmentally responsible solutions, such as mass production of electric cars that do not pollute the environment.

It is right to argue that if the human race persists to use power in the same manner that it as of now does, we will see negative environmental impacts all over the world in this century.

Thus, these are some of the consequences regarding the given scenario.

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The shot was released at a height of 2.20 m, and he is 1.80 m tall t ac=2.66s is long is he have to get out of the way.

What is velocity?

When an item is moving, its velocity is the rate at which its direction is changing as seen from a certain point of view and as measured by a specific unit of time.

Therefore,

a very strong, but inept, shot putter puts the shot straight up vertically with an initial velocity of 11.0 m/s. how long does he have to get out of the way if the shot was released at a height of 2.20 m, and he is 1.80 m tall?

t AC=2.66s

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Answer:c

Explanation:

Answer:According to Coulomb's law, the electrostatic force between two bodies is proportional to the product of their two charges. If the charge on A is increased this product increases in size (it must have been non-zero to begin with, since there was a force between them at first). Thus, the force between them rises.

Explanation:

Answer:

sound waves

Explanation:

The kinetic energy of the meatball is transferred into the surroundings through sound waves.

When the meatball hits the wall, the kinetic energy of the meatball causes vibrations in the wall and the surrounding air. These vibrations create sound waves which transfers the kinetic energy to sound energy until it runs out of energy.

When an object / medium vibrates, the particle of the object / medium starts to move. This movement of particles is called as sound waves. It is a type of mechanical wave.

Therefore, the kinetic energy of the meatball is transferred into the surroundings through sound waves.

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After the effective drag coefficient of the skydiver plus the parachute increases to 60. 0 kg/m, drag force acting on the skydiver immediately after she has opened the parachute is found to be 188160N.

Air pressure

An open parachute expands the skydiver’s cross-sectional area as he falls, increasing the amount of air resistance he faces (as observed in the animation below).

As soon as the parachute is opened, air resistance outweighs the pull of gravity.

According to the drag equation, drag D is equal to the drag coefficient. Cd multiplied by density r, velocity V squared, and the reference area.

We must choose a value for Cd in order to calculate drag given the air conditions, shape, and inclination of the object.

Here we know,

K[tex]v^{2}[/tex] = mg

K[tex]v^{2}[/tex] = 80 x 9.8

K[tex]v^{2}[/tex] = 784.5

V = 56 m/s

Then fdrag = [tex]60*(56)^2[/tex]

fdrag = 188160 N

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Complete Question

A skydiver of mass 80.0 kg (including parachute) jumps off a plane and begins her descent. for the magnitude of the Throughout this problem use 9.80 acceleration due to gravity.

When the parachute is fully open, the effective drag coefficient of the skydiver plus the parachute increases to 60. 0 kg/m. What is the drag force fdrag acting on the skydiver immediately after she has opened the parachute?

Answer:

In general, a falling barometer indicates the approach of a storm. If the mercury is over 30.20 inches but falling quickly, warmer, cloudier weather is coming. If the mercury continues to fall, the weather will worsen. When the mercury level is between 30.20 and 29.80 inches and dropping rapidly, expect precipitation

Answer:

When cold air encounters warm air, the warm air rises over the cold air and makes surface air pressure drop. As a result, a low-pressure system forms, and winds begin to blow. This is how storms form in response to changes in air temperature.

Explanation:

The velocity of the truck in relative to the highway is 55 mi / hr

We know that,

[tex]V_{rel}[/tex] = V - [tex]V_{obs}[/tex]

where,

[tex]V_{rel}[/tex] = Relative velocity

V = Object velocity

[tex]V_{obs}[/tex] = Observer velocity

Given that,

[tex]V_{rel}[/tex] = 15 mi / hr

V = 70 mi / hr

[tex]V_{rel}[/tex] = V - [tex]V_{obs}[/tex]

Here the observer is the truck

[tex]V_{rel}[/tex] = V - [tex]V_{truck}[/tex]

15 = 70 -  [tex]V_{truck}[/tex]

[tex]V_{truck}[/tex] = 55 mi / hr

Relative velocity is the velocity of an object with respect to another observer.

Therefore, the velocity of the truck in relative to the highway is 55 mi / hr

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If you change the magnetic field inside a closed loop of wire, you induce in the loop is current .

As per the Faraday law, the current help to induce the electric field in a close loop.

Electric field- it is defined as the electric force per unit charge. The direction of the field is taken to be in the direction of the force which applied on a positive test charge.

If you change the magnetic field inside a closed loop of wire, you induce in the loop is current .

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Answer:

any of the six chemical elements that make up Group 1 (Ia) of the periodic table.

Explanation:

Answer:

Explanation: an alkali metal is a metal that is alkali