Answer to Question #258007 in Physics for zai

Question

A. Garen observed his athletic friends, Aya and Marisa, run. The two girls ran in a 1.5-km straight dirt road. Marisa was a given a ten-second head-start. When Aya ran, she caught up with Marisa, who ran at 3.75 m/s. Both of them finished the 1000 m run, with Aya measured to finish the track at 375 seconds. (5 items x 5 points) 2. How far did Marisa run after ten seconds?

Answer 1

Speed of Marisa: 3.75 m/s.

How far did Marisa run after ten seconds?

$$d=vt=3.75·10=37.5\text{ m}.$$