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nasty-shy [4]
2 years ago
10

Which statement best describes the difference between atoms and molecules

Physics
2 answers:
Rama09 [41]2 years ago
6 0
What are the answers ?
Gekata [30.6K]2 years ago
5 0

Answer:

Atom

It is a smallest component of element.

may or maynot have possessed.

Molecule

it is a group of two or more Atoms.

alway posses the properties of matter.

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You toss a ball straight up with an initial speed of 30m/s. How high does it go, and how long is it in the air (neglecting air r
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Explanation:

Given that,

A ball is tossed straight up with an initial speed of 30 m/s

We need to find the height it will go and the time it takes in the air.

At its maximum height, its final speed, v = 0 and it will move under the action of gravity. Using equation of motion :

v = u +at

Here, a = -g

v = u -gt

i.e. u = gt

t=\dfrac{u}{g}\\\\t=\dfrac{30\ m/s}{9.8\ m/s^2}\\\\t=3.06\ s

So, the time for upward motion is 3.06 seconds. It means that it will in air for 3.06×2 = 6.12 seconds

Let d is the maximum distance covered by it.

d=ut-\dfrac{1}{2}gt^2

Putting all values

d=30(3.06)-\dfrac{1}{2}\times 9.8\times (3.06)^2\\\\d=45.91\ m

Hence, it will go to a height of 45.91 m and it will in the air for 6.12 seconds.

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3 years ago
Someone answer asapp
garik1379 [7]

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Why skies are blue but not other colours​
wolverine [178]

Answer:

The Short Answer: Sunlight reaches Earth's atmosphere and is scattered in all directions by all the gases and particles in the air. Blue light is scattered more than the other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.

Explanation:

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How does metamorphic rock change into another type of metamorphic rock?
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Metamorphic rocks are formed by tremendous heat, great pressure, and chemical reactions. To change it into another type of metamorphic rock you have to reheat it and bury it deeper again beneath the Earth's surface.

Hope this helped! :)
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4. Uncle Harry weighs 180 pounds. What is his mass in kilograms?
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