Which of newton's three laws is the hardest to describe or explain when viewing common occurrences?

Answers

Answer 1

Newton's second law is the hardest to describe as it is about momentum  (F = ma), and a lot of people don't know the concept of momentum.

Newton's first law of motion:- every object moves in a straight line unless acted upon by a force.

Newton's 2nd law of motion:-the acceleration of an object is directly proportional to the net force exerted and inversely proportional to the item's mass. Newton's 2nd law is a quantitative description of the changes that a force can produce on the motion of a body. It states that the time rate of change of the momentum of a body is equal in both magnitude and direction to the force imposed on it.

Newton's 3rd law of motion:- For every action, there's an equal and opposite reaction.

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Related Questions

Which type of coolant(s) usually is (are) used to remove heat from a nuclear reactor core?
a.
water only
c.
liquid sodium or water
b.
liquid sodium only
d.
CFCs

Answers

Answer:

(B). Liquid sodium or water

Explanation:

I don't know how to explain this But hope it right!

If I'm wrong I'm sorry

If I'm right Thank you and (brainliest plz)

The density of an object can be found using
(A) Pascal's Law
(B)Hooke's Law
(C)Archimedes' Principle
(D)Principle of floatation

Answers

Principle of floatation.

3. The pressure at the bottom of the ocean is great enough to crush submarines with steel walls that are 10 centimeters thick. Suppose a submarine is at a depth of 1,000 meters. The weight of water above each square meter of the submarine is 9,800,000 newtons.

Answers

Answer:

just awnsered this one your awnser is the the second option

Answer:

answer one

Explanation:

................produce pollen, which contains the male sex cells, or sperm.

Answers

Answer:

Anther....

My answers

El Burj Khalifa es la torre más alta de Dubai y mide 821 m. Si se deja caer una moneda desde lo alto de la torre, ¿cuál es la magnitud de la velocidad con la que choca con el suelo?

Answers

Answer:

Vf = 126,85 m/s

Explanation:

En este caso, vamos a asumir que la velocidad inicial de la moneda cuando se deja caer es cero, puesto que no nos lo indican. Al ser la velocidad inicial cero, lo unico que influye en la velocidad de la moneda es la gravedad y la altura, por ende, la siguiente formula nos ayudará a calcularla:

Vf² = Vo² - 2gh   (1)

Pero como la velocidad inicial es cero, y si también asumimos que la dirección de bajada será nuestro eje positivo, entonces:

Vf² = 2gh   (2)

Ahora solo nos queda, reemplazar los valores de altura que es 821 m, y la aceleración de gravedad que es 9.8 m/s² y resolvemos la velocidad:

Vf² = 2 * 9,8 * 821

Vf = √16091,6

Vf = 126,85 m/s

Esta debería ser la velocidad con que llega al suelo.

Exitos

La magnitud de la velocidad con la que choca con el suelo es aproximadamente 126.898 metros por segundo.

Si despreciamos los efectos de la viscosidad del aire y la aceleración de Coriolis, entonces el movimiento de la moneda se describe por el movimiento de caída libre, es decir, un movimiento uniforme acelerado debido a la gravedad terrestre. La velocidad final de la moneda es determinada por la siguiente ecuación cinemática:

[tex]v = \sqrt{v_{o}^{2}+2\cdot a\cdot h}[/tex] (1)

Donde:

[tex]v_{o}[/tex] - Velocidad inicial, en metros por segundo.[tex]a[/tex] - Aceleración, en metros por segundo al cuadrado.[tex]h[/tex] - Altura, en metros.[tex]v[/tex] - Velocidad final, en metros por segundo.

Si sabemos que [tex]v_{o} = 0\,\frac{m}{s}[/tex], [tex]a = 9.807\,\frac{m}{s^{2}}[/tex] y [tex]h = 821\,m[/tex], entonces la velocidad final de la moneda es:

[tex]v = \sqrt{\left(0\,\frac{m}{s} \right)^{2}+2\cdot \left(9.807\,\frac{m}{s^{2}} \right)\cdot (821\,m)}[/tex]

[tex]v\approx 126.898\,\frac{m}{s}[/tex]

La magnitud de la velocidad con la que choca con el suelo es aproximadamente 126.898 metros por segundo.

Invitamos cordialmente a ver esta pregunta sobre el movimiento en caída libre: https://brainly.com/question/16899214

Storm water picks up pollutants off of these types of surfaces because they are not able to absorb rainfall

Answers

Answer:

True.

Explanation:

Rainwater cannot be absorbed by some surfaces. This prevents these water from infiltrating and traveling through this area, taking with it the potential pollutants that it may present, such as sediment, remains of fertilizers, bacteria, animal waste, pesticides, metals, among others. This causes a process that we can call Diffuse Pollution and can cover large areas and even bodies of water.

Which of the following is an example of positive potential energy with reference to the floor? PLS HELP

Answers

Answer:

A

Explanation:

potential energy is usually at rest at the highest point in comparason to the ground

All types of electromagnetic radiation travel at the speed of light. True or False?

Answers

Answer:

True

Explanation:

Generally speaking, we say that light travels in waves, and all electromagnetic radiation travels at the same speed which is about 3.0 * 108 meters per second through a vacuum.

Answer:

absolutely true

Explanation:

as it travels in a speed of 30×108 m per second

How does energy in the form of light photon travel through the many layers of the Sun?

Answers

Answer:Particles of light form from atoms undergoing nuclear fusion in the sun's innermost layer known as the core. The light then flows through the sun's interior for millennia, slowly bubbling up like water in a boiling pot. ... The view starts in the core of the sun where atoms fuse together to create light and energy.

Explanation: hope i helped

Light travels through the layers of the sun as particles called photons.

The sun is the principal source of energy in the universe. Energy from the sun is trapped by green plants and used in the process of photosynthesis.

Light travels through the layers of the sun as particles. These particles of light are called photons and they pass through the various layers of the sun.

Learn more about photons: https://brainly.com/question/24309591

explain the following observation referring to the appropriate process of heat transfer in each case


two cups of tea are poured at the same time . they are left for 10 minutes . one of the cups has a metal teaspoon left in it . the tea in this Cup is cooler than the tea in the other Cup at the end of the 10 minute period



Please answer correctly
Please help me!
Will give the brainliest!​

Answers

If the two cups are the same/equal in all regards the spoon makes the difference in heat loss. Metal spoon is a good conductor, heat conducts up the spoon handle. Radiant and convection losses occur in the surrounding air. Metal becomes a “heat sink”.

Spoon will feel warmer to the touch than a pottery or foam cup that is not a good conductor.

How can you use the period of a wave to find the frequency?

Answers

Explanation:

Frequency is the number of occurrences of a repeating event per unit of time.

It is also referred to as temporal frequency, which emphasizes the contrast to spatial frequency and angular frequency.

The period is the duration of time of one cycle in a repeating event, so the period is the reciprocal of the frequency.

Relationship between Period and frequency is as under :

The frequency of a wave describes the number of complete cycles which are completed during a given period of time.

As such, frequency is a rate quantity which describes the rate of oscillations or vibrations or cycles or waves on a per second basis.

A common unit of frequency is the Hertz, abbreviated as Hz.

Frequency

=

1

Period

f = c / λ = wave speed c (m/s) / wavelength λ (m).

http://www.sengpielaudio.com/calculator-period.htm

http://www.sengpielaudio.com/calculator-period.htm

https://study.com/academy/lesson/wave-period-definition-formula-quiz.html

The colors of various main sequence stars are shown below.

Which list correctly ranks these stars in order of increasing temperature?

Answers

Answer:

The answer is B.

Barnard’s star, Sun, Altair, Achernar

Explanation:

Remember the brighter the star the higher the temperature, Red being the oldest of the stars orange middle age, white stars ( getting to its ends can be also a dwarf star), and blue star being the youngest of the stars Also blue is the hottest star

Answer:

B

Explanation:

Look at the equation below. What units are used for W? Give the full name, not the symbol.
Enter your answer
W = m x g

Answers

Answer:

the watt is a unit of power

The symbol W denotes the work done and m is the mass and g is the acceleration due to gravity. If m is in Kg and g has a unit of m/s². Then the unit Kg m/s² is equal to one joule J. That is the unit of work done.

What is work done?

Work done in physics is the dot product of force and displacement. Work done of one joule is equal to the force of one newton, exerted by an object of mass m and acceleration a.

Thus we have F = Ma.

If the acceleration is replaced by acceleration due to gravity g, then force of one Newton is mg, that is the product of mass and acceleration. Force is an external agent act on a body to change its state from rest or motion.

If the force applied causes a displacement of the object, then a work is done on the body. Let the mass is taken in Kg and acceleration due to gravity is in m/s², then one newton  is  Kg m/s² is equal to one joule J. Hence, W has the unit of Kg m/s² or J.

To find more on work done, refer here:

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Please help!!

A shopping bag can provide a force of 65 N before breaking. A shopper puts 5 kg of groceries in the bag. If the shopper tries to lift the bag with an upward acceleration of 2 m/s/s, will the bag break?

Answers

Answer:

the bag DOES NOT BREAK,  F = 59 N

Explanation:

For this exercise, let's use Newton's second law, let's set a reference frame with the positive direction up

           F -W = m a

the mass of the groceries is m = 5 kg, the weight is

           W = m g

indicate the acceleration a = 2 m / s², let's find the force

          F = mg + ma

          F = m (g + a)

let's calculate

          F = 5 (9.8 + 2)

          F = 59 N

         

          F <65 N

as the force with which it pulls the bag less than the breaking force the bag DOES NOT BREAK

The temperature in deep space is thought to be about 3K.what is 3K in degrees Celsius and in degrees Fahrenheit?

Answers

Answer:

c

Explanation:

bnbbbn nbnbnb bbbb bnbb

As wavelength decreases, frequency and energy _________________;
a) increase b) decreases c) remain the same

Answers

Answer:

Increase

Explanation:

The best way for me to visualize the relation between wavelength, frequency, and energy is to think about actual ocean waves. Wavelength is a measure of the distance between two equivalent points on consecutive waves (think wave peak to wave peak). Lets say you are building a sand castle and want to see how many waves hit your castle over a period of 10 seconds. If the distance between each wave is 10 ft and the wave is traveling at 1 foot per second then you will only have one wave hit your castle. If the wavelength is 1/2 that (5 ft) then you will have 2 waves hit your castle in the same amount of time. This is the same concept behind waves in physics. The smaller the distance between each wave, the more waves and therefore more energy that will be delivered.

Two examples of energy transformations are shown. At left, a floor lamp plugged into a wall electrical outlet. At right, a wood fire. The energy transformations are similar because they both involve transformations that begin with chemical energy. begin with electrical energy. result in radiant energy. result in mechanical energy.

Answers

Answer: C, result in radiant energy

Explanation:

Answer:

The answer is C; result in radiant energy.

Explanation:

Just took the test and got it right ;)

Can someone help me find which one is a sedimentary rock

Answers

byevyebsndkneknddnudd

A piece of gym equipment states that the maximum load it can hold is 300 kg. Why do you think it is important not to go over this limit?

Answers

Answer:

The weight limit of 300kg is the maximum amount the machine can handle so it can be dangerous to exceed the maximum load.

any two ways to reduce sound pollution

Answers

Answer:

use earplugs

stay away from noisy areas

lower the volume

Which one illustrates it?
A) III
B) II
C) I
D) IV

Answers

Circuit diagram number II

I) R=(4*8)/(4+8)=8/3 Ω

II) R=4+((4*4)/(4+4))= 6 Ω

III) R= 4/3 Ω

IV) the same as I: 8/3 Ω

Plz help me!!!!!!!! I will give you brainliest

Answers

Hi Kyle Jenner is cute

what is terrestrial magnetism​

Answers

Answer:

it the phenomenon which deals with earth's magnetic condition

What is the speed of a person travels 1 meters in 4 seconds

Answers

Answer:

4 m/s

Explanation:

multiply m ang s para makuha yung speed ng isng object ....

The answer would be 0.25 m/s. Use the speed formula which is distance over time.

Semi–conductors are materials that

Answers

Semi-conductors are materials that have conductivity between that of a conductor and a non-conductor (insulator).

Example: Silicon

The components of a vector are:

A:Each equal to half the magnitude of the vector.

B:Independent of the orientation of the vector.

C:Perpendicular

D:None of the previous​

Answers

C : perpendicular

The component of a vector are perpendicular

An electromagnetic wave Group of answer choices a.Never moves b.Can travel through empty space or matter. c. Can travel only through empty space. d. Cannot travel through matter

Answers

Answer:

b

Explanation:

because electromagnetic waves can travel in vacuum as they don't require particles to transfer energy from one point to another. they can also travel through mediums such as the wall or air, if not how do radio waves transfer energy in this hyper advanced world? through the air

hope this helps

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A cat pushes a 0.25-kg toy with a net force of 8n. According to Newton's second law of motion, what is the acceleration of the ball?

Answers

Sorry sorry forgot

Answer:

a = 32 m/s sq

Explanation:

Oscillations of electricity and magnetism create ________________________ waves, which include visible light waves.

Answers

Explanation:

radio waves, which include visible light waves.

HELP ME PLS
when your sence becomes sharper what is that
a.respitory system
b.circulatery system
c.nervouse system
d.muskeler and skeletal system

Answers

Answer:

it will option C ,hope it helps

Answer:

nervous system is your answer

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