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faltersainse [42]
3 years ago
11

Why us an element considered a pure substance

Physics
2 answers:
AVprozaik [17]3 years ago
6 0

Explanation:

Hey there!!

An elements is called a pure substance because it is composed of only one kina of atoms in a fix proportion.

<em><u>Hope</u></em><em><u> </u></em><em><u>it helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

Serhud [2]3 years ago
3 0

Answer:

Elements are pure substances because elements are always made up of same kind of particles.

Example:- pure Iron rod (iron is an element)is made up of many similar Iron atoms.

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What object or class of objects makes up most of the solar system’s mass?
Vladimir [108]
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8 0
3 years ago
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What is the mechanical advantage of a 8 m ramp that rises 2 m to a stage?
Neko [114]

Answer:

Mechanical advantage = 4

Explanation:

Given the following data;

Distance of effort, de = 8m

Distance of ramp, dr = 2m

To find the mechanical advantage;

Mechanical advantage = de/dr

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5 0
2 years ago
Please Help!!!<br><br> For A&amp;B
klio [65]

Answer:

A. 40N

B. 5m/s

Explanation:

A.

Impulse is equal to the area under the curve of a force vs. time graph. In this case, the area is in the shape of a triangle with base 8 (12-4=8) and perpendicular height 10:

<em>Area of a triangle = (1/2)bh</em>

A=(1/2)*8*10

=40

ANSWER: 40N

B.

<em>Impulse = mass * velocity</em>

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ANSWER: 5m/s

5 0
3 years ago
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Step2247 [10]

Answer:

YES

Explanation:

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5 0
2 years ago
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If a wave has a speed of 12 m/s and a frequency of 4hz what is its wavelength
ELEN [110]
Apply:
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6 0
3 years ago
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