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yawa3891 [41]
3 years ago
10

A measurement of how often something occurs in a given time period is _____.

Chemistry
2 answers:
Lilit [14]3 years ago
6 0

Answer:

I believe the answer to this is frequency

I hope this is correct and helps

Explanation:

madreJ [45]3 years ago
3 0

frequency

hope this helps :)

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How many significant figures in the number 3.140
Dmitry_Shevchenko [17]
In a number with decimal, zeroes to the right of last non-zero digit are significant.

Hence there are 4 significant digits in 3.140.

Hope this helps, have a great day ahead!

4 0
4 years ago
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mamaluj [8]

Answer:

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Explanation:

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3 0
4 years ago
If the caterpillar keeps moving at the same speed, how long will it take to travel 6cm?
Solnce55 [7]

It will take 15 s to travel 6 cm

<h3>Further explanation</h3>

Given

distance versus time graph

Required

time travel

Solution

Caterpillar motion is a straight motion with a constant speed, so that the graph between distance and time forms a diagonal line

If we look at the graph, we can determine the time taken when the distance reaches 6 cm (y axis) by drawing a line to the diagonal line and cutting the x-axis as time, and we get 15 s

Or we can also use the formula for motion at constant speed:

d = v x t

With v at point 2,5 of 2/5 m / s, so the time taken:

\tt t=\dfrac{d}{v}=\dfrac{6}{2/5}=15~s

4 0
3 years ago
A plastic rod becomes negatively charged when it is rubbed with a piece of wool. how does the rod become charged?
Lera25 [3.4K]

Answer;

c.electrons move from the wool to the rod.

Explanation;

-Atoms are generally neutral (have the same number of protons as electrons). Substances lose electrons to become positively charged, while other substances gain electrons to become negatively charged.

-When a plastic rod is rubbed with woolen cloth or wool, a transfer of electrons occurs (from the wool to the rod). The rod gains electrons; thus, it is negatively charged.

4 0
4 years ago
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Which of the following is NOT considered a branch of Chemistry?
mestny [16]

Answer:

Pure Chemistry -- is NOT considered a branch of Chemistry.

Explanation:

Second question is number 4.

4 0
3 years ago
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