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sladkih [1.3K]
2 years ago
12

In the Tough Man Competition, very strong men are challenged to push or pull extremely large and heavy objects to test their str

ength. In one such challenge, they were asked to push one of two rail cars, an engine car and a box car. The data tables show one man’s results. Look over the data table and answer the questions below.
A. Why couldn't the strong man move the box car with a force of 3000 Newtons? Make sure to include Newton's 2nd Law in your explanation.

B. What could be done to move the boxcar?

C. Another student claims that during the competition, the sum of the forces on the boxcar was 0 N. What evidence is the student using to make this claim? Be sure to explain your thinking.

Chemistry
1 answer:
saw5 [17]2 years ago
7 0
B. What could be done to move the boxcar is the answer
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Can an elment have more than a single bond with another element ?
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Yes it can. i hope i helped

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3 years ago
Compared to the charge of a proton, the charge of all electron has
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<span>Answer: option (4) the same magnitude and the opposite sign.
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Justification:
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</span><span>1) Electrons are negative particles thar are around the nucleus of the atom (in regions called orbitals).
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2) Protons are positive particles that are inside the nuclus of the atom.
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<span>3) The nucleus of the atom has the same number of protons as electrons are in the orbitals of the atom.
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4) The atoms are neutral (neither positive nor negative) because there are the same number of electrons and protons and their charge are of the same magnitude but different sign: (+) + (-) = 0: positive + negative = neutral.</span>
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1. is <em>wrong</em> because H can use only its <em>1s orbital</em> for bonding.

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