If an Earthquake Has a Total Horizontal Displacement of S

question 110

Multiple Choice

If an earthquake has a total horizontal displacement of S meters along its fault line, then the horizontal movement M of a point on the surface of Earth d kilometers from the fault line can be estimated using the formula where D is the depth (in kilometers) below the surface of the focal point of the earthquake. Approximate the depth D of the focal point of an earthquake with S = 3 m if a point on the surface of Earth 3 kilometers from the fault line moved 0.77 meters horizontally. Round the answer to the nearest hundredth.

• A) km
• B) km
• C) km
• D) km
• E) km

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Definitions:

Rhythm Method

A form of natural family planning based on tracking the menstrual cycle to estimate fertile and infertile periods.

Menstrual Cycle

The regular, natural change that occurs in the female reproductive system that makes pregnancy possible, typically lasting about 28 days.

Ovulation

The phase in the menstrual cycle when an ovary releases an egg, marking the time when a woman is most fertile.

Cervical Cap

A silicon, cup-shaped device that is inserted into the vagina to prevent pregnancy.