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hoa [83]
3 years ago
11

Use standard notation to represent the following elements. 1. potassium 2. copper 3. chlorine​

Physics
1 answer:
ZanzabumX [31]3 years ago
5 0
Potassium: K
Copper: Cu
Chlorine: Cl

i hope this is what you’re asking for
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Answer:

Correct answer: D.  1.5 · 10⁴

Explanation:

Extremely large or extremely small numbers are written in the form

r · 10ⁿ

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3 years ago
A 5.0-kg object is pulled along a horizontal surface at a constant speed by a 15-n force acting 20° above the horizontal. How mu
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Answer:

84.6 J

Explanation:

The work done by the force is given by

W=Fd cos \theta

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\theta=20^{\circ} is the angle between the force's direction and the displacement

Substituting the numbers into the equation, we find

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3 years ago
Light travels slowest in high density media, faster in lower density media, and fastest in low density media.
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8 0
2 years ago
Whats the differnece between a series circuit and a parallel circuit<br><br>​
Romashka-Z-Leto [24]

Answer:

A series circuit has a direct flow of current and because of that, the current is constant throughout the circuit, while the voltage is what changes.. In a parallel circuit, the current travels through multiple paths, so the current is divided among those paths. The voltage, on the other hand, is constant.

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