(please choose the correct answer.)
which of the following is false about forces?
A. Forces can cause change.
B. Forces act in pairs.
C. forces cannot be qualified.
Answer:
I think the false statement is C.
Explanation:
The other two statements are true
Answer:
C.Force cannot be qualified
Explanation:
force can cause changes in the speed..Force always act in pairs ..
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as shown in the picture below. How does changing the voltage affect both the compass and the magnetic field? Why does this change happen?
A neutral atom of oxygen has 8 protons and _______ eletrons ( Enter whole number )
NUmerical answers expected
Answer:
8 protons and 8 electrons
Explanation:
bye
write down everything that you know about heat temperature pressure and heat transfer
Answer:
Heat is always transferred from the object at the higher temperature to the object with the lower temperature. For a gas, the heat transfer is related to a change in temperature. The temperature, pressure, and volume of the gas determine the state of the gas. Heating a gas changes the state of the gas.
Explanation:
This is something I know about heat temperature pressure and heat transfer
The object with the higher temperature always transfers heat to the thing with the lower temperature. The heat transfer for gas is connected to a temperature change.
What is meant by heat transfer?Heat transfer is defined by thermodynamic systems as "The transfer of heat over the system boundary caused by a temperature difference between the system and its surroundings."There are several ways for heat to go from one place to another. The many heat transmission mechanisms consist of:Conduction: Thermal energy is transferred from an area with higher kinetic energy to an area with lower kinetic energy. Slow-moving particles gain kinetic energy as a result of collisions between high-speed and slow-moving particles. This common type of heat transmission occurs when two objects physically touch. Convection: The flow of fluid molecules from higher temperature regions to lower temperature regions is referred to as convection.Radiation: Radiant heat is the name for thermal radiations. Emission of electromagnetic waves results in the production of thermal radiation. The energy from the producing body is removed by these waves. A vacuum or transparent media, which can be made of solid or liquid, is used for radiation transmission.To learn more about heat transfer, refer to:
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When a plane is moving at a constant speed, thrust is equal to drag.
True
False
Identify the unit rate: 1,500 words in 25 minutes.
A 300 words/min
B 600 words/min
C 60 words/min
D 6 words/min
Answer:
B
Explanation:
That Is The Correct Answer ........ . .....
Answer:
C
Explanation:
Help, please
Any _____ generates an electric field around itself. This electric field will apply a _____ on any charge in its field. These fields are often represented by electric ______. The diagram represents the electric field lines are two charges. These field lines go away from _____ charges and toward _____ charges. The direction of an electric field is defined as the direction a small positive test charge would move in the field. All charges create electric fields and are ______ by the electric field of other charges. Like charges ______ each other and unlike ______ charges each other.
Answer:
I am going to answer the questions, according to the numbers of empty spaces to fill,1.electric charge,2.force,3.field lines,4.negatives,5.positive,6.affected,7.attract,8.repel.
Explanation:
if u read it filling in the spaces using this answers,u will understand
Any electric charge generates an electric field around itself. In below given ways blanks can be filled.
What is electric field?The physical field which encompasses electrically charged particles as well as exerts force on all the other charged particles inside the field, whether attracting or repelling them, is known as an electric field.
Any electric charge generates an electric field around itself. This electric field will apply a force on any charge in its field. These fields are often represented by electric field lines. The diagram represents the electric field lines are two charges. These field lines go away from negative charges and toward positive charges.
The direction of an electric field is defined as the direction a small positive test charge would move in the field. All charges create electric fields and are affected by the electric field of other charges. Like charges repel each other and unlike attract charges each other.
Therefore, in above given ways blanks can be filled.
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help asap please! what happens when electromagnetic waves go through a medium?
Answer:
The mechanism of energy transport through a medium involves the absorption and reemission of the wave energy by the atoms of the material. When an electromagnetic wave impinges upon the atoms of a material, the energy of that wave is absorbed.
Which of the following waves would produce the loudest sound?
Answer: B
Explanation: the wave with the largest amplitude would create ththe loudest sound, and based on the picture provided, I would guess B has the largest amplitude.
what is the definition of inertia? (picture down below)
Answer:
A
Explanation:
A tendency to do nothing or to remain unchanged.
A property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force.
1) Describe the characteristics of each air mass.
a) An air mass develops near the Equator over the Caribbean Sea.
b) An air mass develops over a large land mass in the upper latitudes of the Northern Hemisphere.
(both need to be answered)
Answer:Continental air masses are characterized by dry air near the surface while maritime air masses are moist. Polar air masses are characterized by cold air near the surface while tropical air masses are warm or hot. Arctic air masses are extremely cold.
Explanation:
a. In subtropical areas like the Caribbean Sea and the Gulf of Mexico, maritime tropical air develops.
Explain about the characteristics air mass?Large air masses are capable of engulfing substantial portions of a continent's or a body of water's land surface. They penetrate the troposphere far up.The mass as a whole experiences similar temperatures and humidity levels. Nonetheless, as an air mass shifts away it from point of origin, its temperature and humidity do change.A: In subtropical areas like the Caribbean Sea and the Gulf of Mexico, maritime tropical air develops. It is connected to thunderstorms and warm, muggy weather.
B: Continental Large, high-latitude land masses, like northern Canada or Siberia, are where polar air masses form. It comes from northern Canada or Alaska in the Northern Hemisphere. It transports dry weather to the United States as it goes south. Low humidity and temperature are both present.
Know more about the air mass
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Why is it less noisy stomping on carpet than stomping on tile floors?
Answer:
Carpet softens harsh sounds and creates a quieter, more peaceful indoor environment. The installation of carpet and underlay is the only method available for eliminating excessive noise generated by floor impacts such as noise produced from footfalls, chairs scraped across the floor and objects dropped on the floor.
Explanation:
Carpets are thicker. That's why when you stomp it's more quieter because the impact of your foot will hit the thickness.
PLEASE HELP ASAP! ILL GIVE BRAINLIEST IF I GET A GOOD GRADE
I need help to know if I put enough information into my concept map or I need to add more?
Here are the instructions:
Your concept map will compare the manner in which energy is transferred by mechanical waves and electromagnetic waves. Include the following somewhere in your concept map:
types of energy transferred
medium required (if applicable) for transfer of energy
speed of energy transfer through various mediums (solid, liquid, gas)
Answer:I think It looks good, maybe add A little more info to pad your chart from getting a bad grade. cant go wrong there!
Explanation:
good luck!
Please write in complete sentences to answer the following:
Give two examples of electromagnetic waves, explain how they are used, and explain why they are important in your life.
Points available:
1. First Type of EM wave (1 point), how it's used (2 points), why it's important (2 points)
2. Second Type of EM wave (1 point), how it's used (2 points), why it's important (2 points)
Answer:
Radio waves and the are various frequencies of radio waves are used for television and FM and AM radio broadcasts, military communications, mobile phones, ham radio, wireless computer networks, and numerous other communications applications. They are important because Radio waves are very widely used in modern technology for fixed and mobile radio communication, broadcasting, radar and radio navigation systems, communications satellites, wireless computer networks and many other applications.
Microwaves are widely used in modern technology, for example in point-to-point communication links, wireless networks, microwave radio relay networks, radar, satellite and spacecraft communication. They are important because microwaves play an increasingly wide role in heating and cooking food. They are absorbed by water and fat in foodstuffs (e.g., in the tissue of meats) and produce heat from the inside. In most cases, this reduces the cooking time a hundredfold.
Explanation:
What physical property does gases and plasmas have in common
Answer:
Like gases, plasmas have no fixed shape or volume
Explanation:
Hope it helps
Answer:
The Gas and plasma are alike because they have no valume or shape at all
Explanation:
Please Help I really need it!!
Answer: Gravity and air resistance
Explanation:
Which of the following describes the motion of water waves?
A
rarefied
B
compressional
C
transverse
D
longitudinal
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what is the definition of inertia?
Answer:
A is the answer
Inertia is basically the inherent property of a body that makes it oppose any force that would cause a change in its motion.
For example, let's say you roll a ball if it isn't stopped by friction or an obstacle it will continue to move.
Explanation:
which of the following temperatures is the lowest? A.100C) B.100F) C.100K) or D. they are all the same
Answer:
100 degrees Celsius is the highest temperature. 100F is 37.8 C and 310.7K. 100C is 237.6F and 373K. 100K is -173C and -253.8F. So 100C is the highest temperature.
pls mark brainliest
The lowest temperature is C.100K
What is a temperature scale?
Temperature is the degree of hotness or coldness.It tells about the direction of the flow of heat.There are mainly three types of temperature scales.
The Fahrenheit (°F) scale,
the Celsius (°C) scale,
and the Kelvin (K) scale.
To compare the three temperatures and convert all the temperatures on the same scale.
273Kelvin=100 centigrade=32 fahrenheight.
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Compared to the Pacific ocean a cup of hot chocolate has a.more thermal energy and a higher temperature)b.less thermal energy and a higher temperature)c.more thermal energy and a lower temperature)d. less thermal energy and lower temperature (i'll try to give brainliest)
Answer:
Your answer will be A
Explanation:
The Pacific Ocean is very cold, and a cup of hot chocolate is very hot (hence the name). More thermal energy entails a higher temperature, therefore the cup of hot chocolate has more thermal energy and a higher temperature.
PLEASE HELP ITS DUE AT 8:00
Answer:
atleast give 10 points but ill answer kidding
I think this is for the right subject
this is Science btw
Which statement best describes the process of the formation of the solar system?
Answer:
D
Explanation:
Because of the Suns magntism the solar system has been created
HELP ASAP
The existence of comets provides possible evidence for _____.
solar origin of comets
a young solar system
an ancient solar system
Which band is the smallest within the electromagnetic spectrum?
A) x-rays
B) microwaves
C) radio waves
D) visible light
Answer:
c. radio waves
Explanation:
you cant see them
Does sound travel faster through stiffer objects yes or no and explain why?
Answer:
Because, yes. The quicker sound waves move through a stiff material, the faster they will travel through it. This is because each molecule in a stiff substance is more linked with the molecules surrounding it.
Where is a tornado most likely to form?
A. Where warm, moist air masses traveling north collide with cool, dry air masses traveling south
B. Where a high-pressure system is lingering over an area
C. Over warm, tropical ocean water
D. On the north-western side of a low pressure system
Answer:
A.
Explanation:
Tornados normally form due to warm and cold are colliding with each other. For example, this happens commonly in the middle of the U.S because of the cold air coming down from the Arctic and the warm air from Mexico and other countries in the South.
Answer: A
Explanation: In this area, known as Tornado Alley, storms are caused when dry cold air moving south from Canada meets warm moist air traveling north from the Gulf of ...