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What is the distance from the center of the Moon to the point between Earth and the Moon where the gravitational pulls of Earth and Moon are equal? The mass of Earth is 5.97 × 1024 kg,the mass of the Moon is 7.35 × 1022 kg,the center-to-center distance between Earth and the Moon is 3.84 × 108 m,and G = 6.67 × 10-11 N ∙ m2/kg2.
Compulsion
A strong, usually irresistible impulse to perform an act, especially one that is irrational or contrary to one's will.
Delusion
A false belief held with strong conviction despite superior evidence to the contrary.
Hallucination
A perception in the absence of external stimulus that has qualities of real perception, often involving seeing, hearing, or feeling something that isn't there.
Posttraumatic Stress Disorder
A psychiatric disorder that may occur in people who have experienced or witnessed a traumatic event, characterized by flashbacks, nightmares, and severe anxiety.
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