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:

Doha Amendment

An amendment to the Kyoto Protocol that includes new carbon emission reduction commitments for participating countries and was adopted in Doha, Qatar.

Kyoto Protocol

An international agreement linked to the United Nations Framework Convention on Climate Change that commits its parties to reduce greenhouse gas emissions, based on the scientific consensus that global warming is occurring and that human-made CO2 emissions are significant contributors.

Ratified

Formally approved or confirmed, often referring to the process by which legislation or constitutional amendments become valid.

Clean Air Act

A United States federal law designed to control air pollution on a national level, aiming to protect and improve the nation's air quality and the stratospheric ozone layer.