In a Relay Race, Runner a Is Carrying the Baton

question 25

Multiple Choice

In a relay race, runner A is carrying the baton and has a speed of 3.4 m/s. When he is 25 m behind the starting line, runner B starts from rest and accelerates at 0.140 m/s². How fast is B traveling when A overtakes her?

• A)0.10 m/s
• B)0.33 m/s
• C)1.3 m/s
• D)2.0 m/s
• E)A never catches up.

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Research studies that compare the similarities and differences between monozygotic (identical) and dizygotic (fraternal) twins to understand the influence of genetic vs. environmental factors on various traits and disorders.

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