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3 years ago

8

Write a sentence using the term atomic theory

2 answers:

ivolga24 [154]3 years ago

8 0

Atomic theory is the theory that all matter is made up of tiny invisible particles

ahrayia [7]3 years ago

5 0

Atomic Theory can be used in two subjects, physics and chemistry.

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What is the Definition of "Folded Mountain" in science terms?

just olya [345]

Fold mountains<span> are </span>mountains<span> that form mainly by the effects of </span>folding<span> on layers within the upper part of the Earth's crust. Before either plate tectonic theory developed, or the internal architecture of thrust belts became well understood, the term was used for most</span>mountain<span> belts, such as the Himalayas.</span>

3 0

3 years ago

In the periodic table we use today, the elements are arranged by increasing mass. True or false

guapka [62]

99% sure its false

its arranged by atomic number now i believe

5 0

3 years ago

An airplane travels 2100 km at 1000km/hE. It encounters a wind and slows to 800 km/h E for the next 1300 km. What is the average

Deffense [45]

Answer:

The average velocity of the airplane for this trip is 1684.21 km/h

Explanation:

Average velocity is the rate of change of displacement with time. That is,

Average velocity = $\frac{Displacement }{Change in time}$ = Δx / Δt = $\frac{x2 - x1}{t2 - t1}$

Now we will calculate the time taken by the airplane for the first motion before it encounters a wind.

From,

Velocity = $\frac{Distance traveled}{Time taken}$

Time = $\frac{Distance traveled}{Velocity}$

Therefore, Time = $\frac{2100km }{1000km/h}$

Time = 2.1h

This is the time taken before the airplane encounters a wind.

Hence, t1 = 2.1h

Now, For the time taken by the airplane when it encounters a wind

Also from,

Velocity = $\frac{Distance traveled}{Time taken}$

Time = $\frac{Distance traveled}{Velocity}$

Therefore, Time = $\frac{1300km }{800km/h}$

Time = 1.625h

Hence, t2 = 1.625h

Now, to calculate the average velocity

Average velocity = $\frac{x2 - x1}{t2 - t1}$

x1= 2100, x2= 1300, t1= 2.1h and t2= 1.625h

Hence, Average velocity = $\frac{1300 - 2100}{1.625 - 2.1}$

Average velocity = 1684.21 km/h

7 0

3 years ago

How many grams of sodium nitrate. NaNO3, are soluble in 100

natka813 [3]

Answer:

Your correct answer is D. 40 g

Explanation:

Please mark brainliest!

4 0

3 years ago

Read 2 more answers

You remove the pot of boiling hot water and set it on a cooler part of the stove. which mechanism is responsible for cooling the

kolbaska11 [484]

<span>All of the mechanisms work together to cool the pot of boiling water. </span>Hope this helps!

3 0

3 years ago