Newton's second law of motion states that Choose one: A. the force of gravity is proportional to the masses of the two objects and the inverse of the square of the distance. B. the acceleration of an object is proportional to the net force acting on it. C. objects have inertia. D. every action has an equal and opposite reaction.

Answers

Answer 1

Answer:

B

Explanation:


Related Questions

The reason galaxies that are distant from our galaxy move away from our galaxy more rapidly than those that are near is:

Answers

The reason galaxies that are distant from our galaxy move away from our galaxy more rapidly is more space expands between us and distant galaxies.

What is a galaxy?

A galaxy is a group of millions of stars and their systems that are grouped due to gravitational forces.

According to the Big Bang theory, galaxies are expanding and separate among them.

In conclusion, the reason galaxies that are distant from our galaxy move away from our galaxy more rapidly is more space expands between us and distant galaxies.

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Answer:

the galaxies are moving as the universe keep expanding .

Explanation:

A car traveling along the highway needs a certain amount of force exerted on it to stop it in a certain distance. More stopping force is required when the car has:.

Answers

Answer:

Higher mass or higher speed

Explanation:

Higher mass will require more force

F= ma       if m goes up  F   goes up   to stop in the same distance

An extraterrestrial civilisation lives on a planet with a very elliptical orbit. Additionally, thousands of large asteroids orbit their solar system. The civilisation uses the light from their home star to count the number of asteroids in the direct line between the star and their planet. For a first measurement, they count the asteroids for 60 days and detect 1000 objects. Several months later, they start a second measurement: This time, they count for 80 days. How many asteroids will they detect during the second measurement? Explain why. (Note: Assume that the asteroids are homogeneously distributed in their solar system.)





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Answers

For Kepler's third law this can be solved as normal ratios

1000/60=x/80100/6=x/806x=8000x=8000/6x=1333.34asteroids

The number of asteroids which will be detected during the second measurement is 1333.34.

What is an Asteroid?

These are referred to objects which revolve round the sun and are characterized by their small rocky shape.

Kepler's third law can be used to solved it using normal ratios

1000/60=x/80

100/6 = x/80

6x = 8000

x= 8000/6

x=1333.34asteroids

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A particle moves along a straight line such that its acceleration is a=(4t^2-2)

Answers

The velocity of the particle moving along the straight line at any time, t is determined as v = 4t³/3 - 2t + C.

What is the velocity of the particle?

The velocity of an object is the rate of change of displacement with time. It is also the integral of acceleration of the object.

a = 4t² - 2

v = ∫a

v = 4t³/3 - 2t + C

Thus, the velocity of the particle moving along the straight line at any time, t is determined as v = 4t³/3 - 2t + C.

Complete question:

A particle moves along a straight line such that its acceleration is a=(4t^2-2). Find its velocity at any time, t.

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ons: READ each question below and ANSWER each part of the question.
Questions:
1. Ms. Woodard walks 1 m between each desk in her classroom. She walks
from desk 1 to desk 3, from desk 3 to desk 4, and finally from desk 4 back to
desk 2.
a. DRAW Ms. Woodard's path to all the desks here:
a.
a.
What DISTANCE has Ms. Woodard traveled? CONVERT (change) your answer to
millimeters.
What is Ms. Woodard's DISPLACEMENT?

Answers

Ms. Woodard has traveled a distance of 5 m.

Ms. Woodard's displacement is 1 m.

im
Complete the sentence to describe what a wave is and what it does.

A wave is a
that carries
from one place to another.

Answers

A wave is a ( DISTURBANCE) that carries (ENERGY) from one place to another.

Hope this helps.

Good luck ✅.

which of the numbers on this figure indicates typical continental conditions (regional metamorphism)?

Answers

The number that indicates typical continental conditions (regional metamorphism) is that showing schist and gneiss rocks.

What is regional metamorphism?

Regional metamorphism occurs when rocks undergoes changes as a result of high temperatures and pressure deep within the earth's crust.

Regional metamorphic rocks are usually foliated or squashed in appearance.

Examples of regional metamorphism rocks are schist and gneiss rocks.

Therefore, the figure that indicates typical continental conditions (regional metamorphism) is that showing schist and gneiss rocks.

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One point charge has a magnitude 5.4x10-7 C. A second charge 0.25 meters away has a magnitude of 1.1x10-17 C. What is the electric force magnitude of one charge on the other?

Answers

The electric force on the charges will be equal and opposite in nature and the magnitude will be 8.5536 × 10⁻¹³ Newton.

Formula for electrostatic force is F = ( K q1 q2 )/ r²

where q1 and q2 represent the charges and r represents the distance between them and the value of K is 9 × 10⁹.

In question we have given

value of q1 = 5.4 x 10⁻⁷ C

value of q2 = 1.1 x 10⁻¹⁷ C

distance between the (r) = 0.25 m

Applying the formula

F = ( K x (5.4 x 10-7) x (1.1x10-17) )/ 0.25²

F = ( (9 × 10⁹ ) x (5.4 x 10-7) x (1.1x10-17) )/ 0.25²

F = ( (9 × 5.4 × 1.1) × ( 10⁹ × 10⁻⁷ x 10⁻¹⁷) )/ ( 6.25 × 10⁻² )

F = ( 53.46 × 10⁻¹⁵) / ( 6.25 × 10⁻² )

F = 8.5536 × 10⁻¹³ Newton

Electrostatic force = 8.5536 × 10⁻¹³ Newton

So, The point charges are possessing equal and opposite electrostatic force of magnitude 8.5536 × 10⁻¹³ Newton.

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what evidence would you expect to find on the moon if it had been subjected to plate tectonics? (select all that apply.)

Answers

Volcanoes and mountains are the evidences that show plate tectonics.

What evidence would you expect to find on the Moon if the Moon had been subjected to plate tectonics?

The presence of volcanos and mountains are the evidences that provides information that the moon has plate tectonic. If there is no volcanoes and mountains on the moon then we can say that there is no plate tectonic on the moon.

So we can conclude that volcanoes and mountains are the evidences that show plate tectonics.

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help in solving this question please
(question is on the picture )

Answers

Answer:

Jesus

Explanation:

he is the way

what type of modulation does the omni-directional antenna transmit?

Answers

AM and FM are the two types of modulation that an omnidirectional antenna transmit.

What is an omnidirectional antenna?

An omnidirectional antenna is also referred to as an isotropic antenna and it can be defined as a type of antenna that is designed and developed to radiate equal radio power or intercept radio-frequency (RF), especially in all directions perpendicular to an axis.

In Science, there are two types of modulation that an omnidirectional antenna transmit and this include the following:

Frequency modulation (FM).Amplitude modulation (AM).

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A truck going 70 m/s crashes in to a wall and comes to a complete stop in .05
seconds. What is the acceleration of the truck?
500 m/s²
O-1400 m/s²
-2000 m/s²

Answers

Answer:

-1400 m/s^2

Explanation:

Change in velocity / change in time  = a

    -  70 / .05 =  -1400 m/s^2

The James Webb Space Telescope (JWST) will allow us to look back in time and observe the early universe. You are a scientist trying to observe an object that emitted its light a long time ago.
(a) Explain why the light you receive from the object is red-shifted.

The object has a redshift of 7.6 and the JWST observes the object at a wavelength of 2 microme- tres (mid-infrared light).

(b) What is the wavelength of the light emitted by the object?
(c) What type of radiation was originally emitted by the object?



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Answers

#a

This is because red color has higher wavelength and it can clear universe and our atmosphere better,

This has the same reason as how we can see only red color during sunset.

#b

[tex]\boxed{\sf z=\dfrac{ \lambda-\lambda_o}{\lambda_o}}[/tex]

lambda_o be x

Put values

[tex]\\ \rm\Rrightarrow 7.6=\dfrac{2\times10^{-6}-x}{x}[/tex]

[tex]\\ \rm\Rrightarrow 7.6=\dfrac{2\times 10^{-6}}{x}-1[/tex]

[tex]\\ \rm\Rrightarrow 8.6=\dfrac{2\times 10^{-6}}{x}[/tex]

[tex]\\ \rm\Rrightarrow x=0.23\times 10^{-6}m[/tex]

[tex]\\ \rm\Rrightarrow x=0.23\mu m[/tex]

View the graph of sun hours in a city.
Average Monthly Sun Hours in Addis Ababa, Ethiopia
300 hrs
150 hrs
0 hrs
Jan
Feb
Mar Apr May
Jul Aug Sep
Oct Nov
Dec
Jun
Month
It can be predicted that in the following year, this city can expect the hours of sunshine to significantly increase after
which month?
January
May
July
September

Answers

It can be expected in this city that the hours of sunshine will significantly increase after the month of July

What is the trend in the hours of monthly sunshine in Addis Ababa?

The monthly hours of sunshine in the city is the average of daily sunshine in a month.

The trend as seen on th graph shows that monthly hours of sunshine is maximum between the months of December and January. Afterwards the monthly sunshine hours decreases.

Therefore, it can be expected in this city that the hours of sunshine will significantly increase after the month of July.

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how can scientists account for the fact that extrasolar planets seem to come in a wider range of types than the planets of our solar system?

Answers

Extrasolar planets come in a wider range of types than the planets of our solar system due to migration of the extrasolar planets and delay in clearing of the solar nebula.

What are extrasolar planets?

Extrasolar planets are planets which exists outside our solar system.

Ours solar system consists of the Sun and its planets.

The extrasolar planets come in a wider range of types than the planets of our solar system.

This is due to migration of the extrasolar planets and delay in clearing of the solar nebula.

Also, there are differences in nebula types.

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Find the maximum energy stored in the spring bumpers

Answers

The maximum energy stored in the spring bumpers is given as ¹/₂kx².

Maximum energy stored in a spring

The maximum energy stored in a spring is given by the following equations;

E = ¹/₂kx²

where;

E is the energy stored in the springk is spring constantx is extension of the spring

Thus, the maximum energy stored in the spring bumpers is given as ¹/₂kx².

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Now, let's look at how the distance from the charge affects the magnitude of the electric field. Select Values on the menu, and then click and drag one of the yellow E-Field Sensors. You will see the magnitude of the electric field given in units of V/m (volts per meter, which is the same as newtons per coulomb). Place the E-Field Sensor 1 m away from the positive charge (1 m is two bold grid lines away if going in a horizontal or vertical direction), and look at the resulting field strength. Consider the locations to the right, left, above, and below the positive charge, all 1 m away. For these four locations, the magnitude of the electric field is________________. the same. greatest to the left of the charge. greatest below the charge. greatest to the right of the charge. greatest above the charge.

Answers

Electric field strength decreases as the distance from the source increases.

How the distance from the charge affects the magnitude of the electric field?

The strength of an electric field is inversely related to square of the distance from the source. This means that the electric field strength decreases when the distance from the source increases.

So we can conclude that Electric field strength decreases as the distance from the source increases.

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which factors can change the size of the shadow of an opaque object

a)the color of the object b)the material the object is made from

c)how far the object is from the light source d)the size of the screen

Answers

Answer:

it have two answers a and c

Explanation:

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Answer: c)how far the object is from the light source
              d)the size of the screen

The size of the shadow depends on the distance of the source of light and on the angle at which the light rays fall on the object. If the source of light is closer to the object, a larger shadow is formed than when the source of light is far from the object.

The angle at which a light strikes an object affects the size and shape of its shadow. Shadows are longer when the light source is at a low angle (side on) and shorter when the light source is at a higher angle (overhead).

The position of the light source can change the size and shape of a shadow. A good example would be, when we are outside on a sunny day, we can see how our shadows change throughout the day. The Sun's position in the sky affects the length of the shadow.

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The force exerted on the tires of a car that directly accelerate it along a road is exerted by the

Answers

The force exerted on the tires of a car that directly accelerate it along a road is exerted by the road friction.

What is force?

Force is defined as the product of mass and acceleration of an object.

Friction is defined as the force that resists the movement of an object over another.

Therefore, the force exerted on the tires of a car that directly accelerate it along a road is exerted by the road friction.

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8. An electrical resistor immersed in a liquid produces 65.0 W of electrical energy for 120
specific heat capacity of the liquid in this temperature range. Assume that negligible h
O
O
O
2.51 x 10³ J/(kg. C°)
1.67 x 106 J/(kg C°)
2.02 x 104 J/(kg. C°)

Answers

The specific heat capacity of the liquid is 2.51 x 10³ J/kg⁰C.

Specific heat capacity of the liquid

The specific heat capacity of the liquid is calculated as follows;

Q = mcΔФ

where;

Q is quantity of heat c is specific heat capacitym is mass of the liquidΔФ is change in temperature = 22.54 - 18.55 = 3.99 ⁰C

c = Q/mΔФ

c = (65 x 120)/(0.78 x 3.99)

c = 2.51 x 10³ J/kg⁰C

The complete question is below:

An electrical resistor immersed in a liquid produces 65.0 W of electrical energy for 120 s. The mass of the liquid is 0.780 kg and its temperature increases from 18.55°C to 22.54°C. a) Find the average specific heat capacity of the liquid in this temperature range.

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A jar contains 100 marbles. There are 20 white marbles, 20 green marbles, 20
blue marbles, 20 red marbles, and 20 yellow marbles. Which of the following
represents the highest entropy for the jar of marbles?
A. The marbles are arranged in horizontal layers by color.
B. The marbles are arranged in a repeating pattern.
O C. The marbles are arranged in a random order.
O D. The marbles are arranged in vertical columns by color.

Answers

The highest entropy for the jar of marbles is represented by the marbles are arranged in a random order.

What is entropy?

Entropy is the measure of the degree of disorderliness of a system or degree of randomness of a system.

Entropy of a system increases with increase in randomness of the system or disorderliness of the system.

Thus, the highest entropy for the jar of marbles is represented by the marbles are arranged in a random order.

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How to add two on/off switches that can change the brightness of the light in circuit a without turning it off

Answers

Answer:

ressistor

Explanation:

Q1.
(a) Some students have designed and built an electric-powered go-kart. After testing, the
students decided to make changes to the design of their go-kart.
First design X
Final design Y
The go-kart always had the same mass and used the same motor.
The change in shape from the first design (X) to the final design (Y) will affect the top
speed of the go-kart.
Explain why.

Answers

Answer:Because if the shape gets changed it will move faster without to much weight

Explanation:

please answer this fast
I 'll marks them brainliest answer

Answers

answer

64 is C (c) 1-Bromo-3-methylbutane

63 is D

i is secondary ii is primary

spurs"" are probably the result of ____.

Answers

Spurs are probably the result of self-sustaining star formation.

What is the formation of gaseous spurs in spiral galaxies?

The gigantic form of the magnificent doppelganger spiral patterns that spiral outward from the galactic cores gave spiral galaxies their name. These light arms of spiral galaxies are frequently seen in optical pictures to be speckled with bright star-forming areas at regular intervals.

Smaller structures spread forth and rearward into the interarm area from each major spiral arm. Spiral-arm also known as spurs are the name given to these substructures. Sometimes the spurs are also filled with star-forming clusters. As a consequence, we may draw the conclusion that spurs most likely emerge from self-sustaining star formation.

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Describe how the speed of a moving object can be measured using a tape measure and stopwatch

Answers

Answer:

See below

Explanation:

Measure the distance and the amount of time to cover that distance

 then speed   =    distance / time

Answer:

s=d/t

Explanation:

s=speed

d=distance

t=time

Just basic formula stuff

1.) Identify one component of the visible spectra
2.) identify the component of the electromagnetic spectra that has the shortest wavelength​

Answers

Answer:

1.) color

2.) Gamma Rays

Explanation:

Q2

the ultraviolet or UV portion of the spectrum has the shortest wavelengths which are practical for remote sensing. This radiation is just beyond the violet portion of the visible wavelengths.

1) Two students are making their way to school. One has a bike and the other
is on foot. If the student on foot is going at a speed of 3 m/s and they make
it to school in 30 s, how far away was the school?

Answers

To find how far away the school is:

3m/s * 30 s = 90m

Hope it helps!

An object has a mass of 8.0 kilograms. a 2.0-newton force moves the object a distance of 3.0 meters to the east, and then 4.0 meters to the north. what is the total work done on the object

Answers

Answer:

1. An object has a mass of 8.0 kilograms. A 2.-newton force displaces the object a distance of 3.0 meters to the east, and then 4.0 meters to the north. What is the total work done on the object? 1)10 J 2) 14 J 3) 28 J 4) 56 J I found the resultant of the two distances, which is 5 m, I used 5 m * 2 N=10 J, but it’s not the answer. 2. A 20-newton block is at rest at the bottom of a frictionless incline, since I can’t show you the diagram, I will describe it. Supposed a right triangle, the vertical height is 3 m, and the base is 4.0 m. Then the hypotenuse is the incline and the block is at the bottom. The question is: How much work must be done against gravity to move the block to the top of the incline? I know that conservative forces are forces for which the work done does not depend on the path taken but only on the initial and final positions. But here I Know I should use 3 m * 20N=60 J. but the thing is it starts from the bottom which is the bottom of the incline, and ends at the top, then it should be the length of the hypotenuse? But if it’s 3 m, then it should have started from left end of the base, not the right end of the base which is the bottom of the incline.

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The event in the life of a star that begins its expansion into a giant is Group of answer choices almost all the hydrogen in its core that was hot enough for fusion has been turned into helium as much as 90% of the star explodes violently the core reaches a temperature of ten million degrees the star's internal structure reaches equilibrium for the first time in its life

Answers

The event in the life of a star that begins its expansion into a giant is that almost all the hydrogen in its core that was hot enough for fusion has been turned into helium.

What is a fusion reaction?

A fusion reaction is defined as the type of nuclear reaction whereby two or more atomic nuclei combine to form a heavier nucleus.

The stars are being transformed into giants through fusion reaction.

A higher amount of hydrogen is found in the core of the star which is being use up in the fusion reaction to form helium.

When the hydrogen in the centre of a star runs out, the star begins to use hydrogen further out from its core. This causes the outer layers of the star to expand and cool.

Therefore, the event in the life of a star that begins its expansion into a giant is that almost all the hydrogen in its core that was hot enough for fusion has been turned into helium.

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Other Questions
The widely-recognizedepic poemBeowulf is significant becauseA. it came to England from the ancient Chinese.B. it was written in England in Old English; only one copyof the original text still exists.C. it was brought to England by the Spanish conquerorsand was adopted as part of English culture. What percent of 48 listings is 36 listings can't understand tbh anyone willing give a go? Identifique la siguiente fecha: 4/7/1776A. El cuatro de julio de mil setecientos setenta y siete.B. El cuatro de julio de mil ochocientos setenta y seis.C. El siete de abril de mil setecientos setenta y seis.D. El cuatro de julio de mil setecientos setenta y seis.S BRAINLIEST+10PTS: does ozone absorb just harmful UV rays? Or just a random portion of UV? Tutorial CA 3-yard roll of aluminum foil costs $4.14. What is the price perfoot? Angle RSU is complementary to angle UST. Angle QSR is congruent to angle RSU.Lines Q, R, U, and T extend from point S from left to right. Angle R S T is a right angle.Which statement is true about angles UST and QSR?They are complementary.They are supplementary.They are congruent.They are obtuse. is water losing through transpiration harmful or benefical for plant 6x9(7-3)4+3x36+3what is the answer The federal governments health care program for older individuals is _______________ is the governments health care program for low-income families. A firms mixture of debt and equity financing is the result of its ______ decisions. A pool a possible candidate for a student council consists of 14 freshmen and 8 softwares how many different councils consisting of 5 freshmen and 7 sophomores are possible What was the significance of new species of animals arriving in the New World from Europe? Select all that apply.Select one or more:a. Native crops were destroyed by cattle grazing.b. It changed the food supply, providing an abundance of meat.c. It improved farming by providing a new form of labor and more land was cultivated.d. The native animal population soared as they were no longer needed.e. It introduced a new means of transportation.f. It impacted religious rituals Select the correct answer.Which word or phrase correctly completes this sentence?Lesmmorisent les dialogues pour la pice de thtre.OA.ballerinesOB. metteurs en scneOC. acteursOD. machinistes Using the word run make intransitive sentence Transcribe the following DNA sequence into its corresponding base pair strand: 5'-ATGGCCGGTTATTAAGCA-3'? Which characteristic is used to measure the amount of light radiated by a star?sizecolorluminositytemperature Read the sentence.The honeymooners visited the vineyard.Read the sentence.What is the best way to revise the sentence to include a prepositional phrase?To realize their dream, the honeymooners planned to visit the beautiful vineyard to enjoy its scenic beauty.To visit the vineyard, the honeymooners allowed extra time to travel the long distance and enjoy the countryside.To appreciate the vineyard, the honeymooners realized that they needed to slowly explore the beautiful rolling hills.To complete their trip, the honeymooners decided that they should pay a visit to the vineyard and its lovely grounds. Which health issue is associated with exposure to indoor air pollution?strokehair lossdiabetesskin cancer 32.neither of jacobs dogs........on the sofa(jump/jumped/jumps)33.A red and yellow bird ...............sitting on the roof. (are/ is)34.Each of the happy kids ........ Across the playground. (hop/hops/ had hopped)35.the used clothes in the market ................ all been donated (has/ have)36.only a red bird and not yellow bird.......sitting on the roof(are/is) 37.mary is the only one of those students who.......lived to the potentials I described(have/has)