A Runner Runs Around a Track Consisting of Two Parallel

question 130

Multiple Choice

A runner runs around a track consisting of two parallel lines 96 m long connected at the ends by two semicircles with a radius of 49 m.She completes one lap in 100 seconds.What is her average speed?

• A)2.5 m/s
• B)5.0 m/s
• C)10 m/s
• D)0 m/s
• E)1.3 m/s

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Definitions:

Resistant

Refers to the ability to withstand or oppose a particular force or condition.

Zygote

The initial cell formed when a sperm cell fertilizes an egg cell, marking the beginning of a human's genetic development.

Embryo

An early stage of development in multicellular organisms, in humans, it refers to the first eight weeks of development post-conception.

Placenta

A temporary organ that develops in female mammals during pregnancy, connecting the fetus to the uterine wall for nutrient uptake, waste elimination, and gas exchange via the mother's blood supply.