Answer:
Explanation:
Force is equal to the change in momentum per change in time. For a constant mass
The correct answer is that they 'are not valid'. If the experiment is biased, it entails that it is not objective. For a experiment, and its results, to be valid, it had to be carried out objectively and taking into account all factors.
It is possible that the results disprove a hypothesis, but to be certain it is necessary to see which was the original objective of the study, as it might also prove to some extent a hypothesis, which is probably also biased.
Use context cluse point out key vocabulary words and look them up to get what the pagr/paragraph/sentence is talking about of refering to.
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Answer:
First, adjust the rearview mirror, then fasten your seatbelt.
Explanation:
I hope this helps :)