Posted by **Olivia ** on Saturday, November 24, 2012 at 5:13am.

A runner is 22 km east and 15 km south of his starting point, how long would it take him to return to his starting point in a direct Line if he can run at 10 km per hour?

- Math -
**drwls**, Saturday, November 24, 2012 at 6:41am
When starting the return, the straight-line distance from the starting point is:

sqrt[(22)^2 +(15)^2] = 26.63 km

Divide that by the speed for the time required, and you get

2.663 hours, whiich is 2 hours, 40 minutes

- Math -
**Olivia **, Saturday, November 24, 2012 at 7:51am
Thank you :)

## Answer This Question

## Related Questions

- Math - A runner is 22 km east and 15 km south of his starting point. How far is...
- Math - Solve the problem. Round to the nearest tenth, if necessary. A long-...
- math - A long-distance runner runs 2 miles south and then 4 miles east. How far ...
- math - Solve the problem. Give your answer to the nearest thousandth if ...
- geometry - A long-distance runner runs 5 miles south and then 8 miles east. How ...
- physics - A runner dashes from the starting line (x=0) to a point 134 m away and...
- physics - A runner dashes from the starting line (x = 0) to a point 80 m away ...
- math - A long-distance runner runs 3 miles south and then 7 miles east. How far ...
- physics - A runner dashes from the starting line (x = 0) to a point 127 m away ...
- Please Help, Physics - 1 A runner dashes from the starting line (x = 0) to a ...

More Related Questions