A jogger runs in a straight line with an average velocity of 7.6 m/s for 6.3 min, and then with an average velocity of 3.6 m/s for 3.4 min.

What is her total displacement?

7.6*6.3*60 + 3.6*3.4*60 = 2873 + 734

= 3607 m

The multiplication by 60 was done to convert minutes to seconds