Answer:
*a car geared neutral that is at a stop. two men start pushing it
*tire physical therapy. trie is at rest until you come up to the tire and flip it
*pushing a wheel barrel
Explanation:
everthing has to be at a complete stop then through energy be moved
They did not repeat their tests multiple times.
Reason being is using the same stopwatch doesn’t matter and changing the reactants won’t help, and you without a doubt need more than one person collecting the data so,
They did not repeat their tests multiple times is the answer.
Answer:
When fuels are burned in vehicle engines, high temperatures are reached. At these high temperatures, nitrogen and oxygen from the air combine to produce nitrogen monoxide. When this nitrogen monoxide is released from vehicle exhaust systems, it combines with oxygen in the air to form nitrogen dioxide.
Explanation:
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