Please answer like this : 1 : 2 : 3 : 4 :

Physics

1 answer:

coldgirl [10]3 years ago

5 0

1: a system is a collection of two or more things/objects. but if you want to use a tennis ball for an example it would be considered an object but at an atomic level we could say it is a system. why? because, it is made up of millions of atoms and each and every atom could be considered an object
2: phone systems, ecological systems, space systems
3: the internal energy of the system can be understood by examining the simplest possible system. example: an ideal gas
4: electricity- by an electrical current.

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chubhunter [2.5K]

Answer:

Explanation:

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3 years ago

All waves must ____ have to travel through

babunello [35]

<h2>All waves must ____ have to travel through </h2>

Explanation:

Wave

It is the periodic disturbance in a medium.

Types of Wave

There are two types of wave in general depending upon their propagation through a substance.

• Mechanical

• Electromagnetic

Mechanical Wave

It is the kind of wave which needs medium to travel. For example: Sound Wave

That means sound can be heard only whenever there is presence of certain substance like water, glass, air etc .It can’t be heard in vacuum no matter how loud is the sound.

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Is that which can travel through medium as well as through vacuum. For example: Light

But unlike sound, light can be seen through a substance or in vacuum. That is the reason it is referred as electromagnetic wave.

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3 years ago

Why is a pencil bent when bent in water

wel

Answer:

Refraction

Explanation:

A pencil bends when it enters the water media due to the phenomenon of refraction.

Refraction is one of the properties of waves.
Refraction of light occurs which it crosses from a region having different density values.
Water is denser than air.
As light moves from air to wave it becomes refracted

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3 years ago

At one end of a production line, Isaac puts peaches into cans on a conveyor belt. He fills 18 cans per minute. As soon as Isaac

AURORKA [14]

Answer: Long answer...

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