A Long Perfectly Level, Frictionless Bowling Alley, Over 2000 Meters

question 77

Multiple Choice

A long perfectly level, frictionless bowling alley, over 2000 meters long, is built by a group of students as a class project. The center just touches the earth near their school and the ends of the
Alley extend into outer space. A bowling ball released at one of the ends, starts rolling towards the center of the alley and will continue moving

• A) until it strikes the pins at the far end and stops.
• B) forever.
• C) for a while but slows to a stop before reaching the pins.

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Definitions:

Luteinizing Hormone

A hormone produced by the anterior pituitary gland that plays a key role in controlling the function of the ovaries in women and the testes in men.

Inhibin

A hormone secreted by the gonads that inhibits the production of follicle-stimulating hormone (FSH) by the pituitary gland.

Progesterone

A steroid hormone released by the corpus luteum that prepares the endometrium for the potential of pregnancy after ovulation.

Signaling Molecule

A chemical that is involved in transmitting information between or within cells, often triggering physiological changes.