Physics, 16.03.2020 18:00 tanya44737

After a long night of cramming for a test, your college roommate hits his head forcefully against the wall of your room in despair. According to Newton 3d Law, as he exerts a force against the wall, there must be an equal and opposite force. How does that opposite force show itself in its case?

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Answer from: gabrielmtrue

See the answer below

Explanation:

Newton's third law states that for every action, there will always be an opposing reaction of equal magnitude to the action.

Hence, the wall will exert an equal opposing force to the head and the roommate will feel this opposing force as pains and/or headache.

Answer from: Quest

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Answer from: Quest

the old price per ounce is c/4.

the new price per ounce is c/3.6.

the ratio of the old price to the new one is

(c/4)/(c/3.6) = (c/c)×(3.6/4) = 0.9 . . = 9/10 . . "nine tenths" in either form

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