PHYSICS HIGH SCHOOL

Which term describe the substance that forms when two or more types of atoms join?A. element
B. compound
C. composite
D. mixture

Answers

Answer 1
Answer:

Answer:

A. element

Explanation:

A molecule is formed when two or more atoms join together chemically. If atoms combine that are of two or more different elements, we call that a compound. All compounds are molecules, but not all molecules are compounds.
Answer 2
Answer: C i’m pretty sure but don’t take me as your first answer i just need to answer a question to ask one.

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Similar poles of bar magnets attract each other.
True
False

Answers

(False) similar poles repel and opposite poles attract each other.

What is the average speed in miles per hour of the car that traveled a total of 200 miles in 5.5 hours

Answers

Answer:

Average speed of the car is 36.36 miles per hour

Explanation:

It is given that,

Total distance traveled by the car, d = 200 miles

Total time taken, t = 5.5 hours

In this case, we have to find the average speed of the car. Average speed of the car is defined as the total distance divided by total time taken. Mathematically, it can be written as :

s=(d)/(t)

s=(200\ miles)/(5.5\ hours)    

s = 36.36 miles per hour

Hence, the average speed of the car is 36.36 miles per hour.                                 

Under what conditions can light be modeled like a ray? Like a wave?

Answers

when the aperture or object size is equivalent to the wavelength of light

A clown hangs two balloons from either end of a hanger. The air from on balloon is released, and the hanger tilts. Which principle is illustrated? a. gas is matter, and therefore has mass b. gas has volume that is not measurable c. released gas has a higher temperature than inert gas d. matter may never be destroyed

Answers

Answer:

A.) gas is matter, and therefore has mass

Explanation:

The principle illustrated in this scenario is a. gas is matter, and therefore has mass.

When the air from one balloon is released, it creates a flow of gas in one direction. According to the principle of gas having mass, the released gas exerts a force on the hanger, causing it to tilt. This demonstrates that gas is matter and has mass.

It's important to note that gas does have volume, which can be measured. This is not the principle being illustrated in this scenario.

The principle of released gas having a higher temperature than inert gas is not applicable in this scenario, as no information is given about the temperatures of the gases involved.

The principle of matter may never be destroyed is a general principle in physics and does not specifically apply to this scenario.

Which of the following is a possible use for nuclear energy?a. power plants
b. weapons
c. powering submarines
d. all of the above

Answers

Nuclear energy can be used to power all ofthe above choices. Nuclear power plants produce radioactive waste that must bestored properly. It is very impossible for a nuclear power plant to have nowaste at all since lots of chemicals are used to create the process as it givesenergy to other machines, weapons such as bombs and  powering submarines.  Radioactive waste can not be released intolocal water supplies since the wastes are very radioactive and may causemutation to the fishes and bioaccumulation which will affect humans as well. Itwill also cause air pollution if the chemicals are not stored properly.

Answer:

D. All of the above. you're welcome

Which of the following is not a nutrient? Minerals, probiotics, lipids or proteins. Why? IF YOU SEE THIS HELP

Answers

Answer:Probiotics is not a nutrient

Explanation:It doesnt have nutrients .All of them are nutrients except probiotics it only helps them but it isnt one
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