An Object at the Surface of Earth (At a Distance

question 32

Multiple Choice

An object at the surface of Earth (at a distance R from the center of Earth) weighs 90 N.Its weight at a distance 3R from the center of Earth is:

• A)10 N
• B)30 N
• C)90 N
• D)270 N
• E)810 N

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Definitions:

Menarche

The first menstrual cycle, or first menstrual bleeding, in female humans; marks the onset of fertility.

Menstruation

The monthly shedding of the lining of the uterus (endometrium), resulting in bleeding through the vagina.

Hysterosalpingography

A radiographic imaging procedure to view the inside of the uterus and fallopian tubes for diagnostic purposes.

Fallopian Tubes

Tubes that extend from the uterus on each side and that open near an ovary.