Posted by **Anonymous** on Tuesday, September 27, 2011 at 7:01pm.

A 70.0-kg runner has a speed of 5.90 m/s at one instant during a long-distance event.What is the runner's kinetic energy at this instant? If he doubles his speed to reach the finish line, by what factor does his kinetic energy change?

## Answer this Question

## Related Questions

- physics - A 65.0-kg runner has a speed of 5.20 m/s at one instant during a long-...
- physics - A 59.0-kg runner has a speed of 3.20 m/s at one instant during a long-...
- Physics - A runner is jogging at a steady 8.4 km/hr. When the runner is 2.6 km ...
- physics - A 62.0-kg runner has a speed of 4.90 m/s at one instant during a long-...
- physics - A runner is jogging at a steady 2.3 km/hr. When the runner is 8.4 km ...
- Physics - A runner is jogging at a steady 6.2 km/hr. When the runner is 4.9 km ...
- physics - (A)A runner is jogging at a steady 7.7 km/hr. when the runner is 3.9 ...
- science - (A)A runner is jogging at a steady 7.7 km/hr. when the runner is 3.9 ...
- Physics - At an instant, Runner 'A' runs at 6m/s with an acceleration of 2m/s^2...
- physics - A runner is jogging at a steady 4.8 km/hr. When the runner is 6.3 km ...

More Related Questions