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Elanso [62]
3 years ago
5

How do scientific tests help determine the properties of substance?

Physics
2 answers:
Maurinko [17]3 years ago
5 0

There are various properties which are exhibited by substances like physical properties,chemical properties,magnetic properties,electric properties etc.

By simply observing the substance we can not get any idea about the property of a substance.One has to conduct various tests in order to reach at his or her conclusion. The scientific tests provides a better understanding about the nature of substance and the changes that happen under various conditions and parameter.

elixir [45]3 years ago
3 0
Scientific tests can help determine substances that appear similar but react<span> differently under the same circumstances. By observing the reactions of the </span><span>substance using an experiment, you can determine what that substance is made </span><span><span>from. Hope this helps!!</span> </span>
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A ball is kicked at a speed of 16m/s at 33° and it eventually returns to ground level further down field.
saw5 [17]

Hi there!

We can begin by calculating the time taken to reach its highest point (when the vertical velocity = 0).

Remember to break the velocity into its vertical and horizontal components.

Thus:

0 = vi - at

0 = 16sin(33°) - 9.8(t)

9.8t = 16sin(33°)

t = .889 sec

Find the max height by plugging this time into the equation:

Δd = vit + 1/2at²

Δd = (16sin(33°))(.889) + 1/2(-9.8)(.889)²

Solve:

Δd = 7.747 - 3.873 = 3.8744 m

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the pressure will decrease by 1/2

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