In the 2008 olympics, jamaican sprinter usain's bolt average shocked the world as he ran the 100- meter dash in 9.69 seconds. determine usain's average speed for the race.

Pls pls pls pls ! describe, in your own words, how you found the epicenter of the earthquake.

15. one purpose of the tread pattern on a tire is to a reduce tire wear. b. reduce traction c. allow water to flow away from the tire. d. look impressive.

Scout feels ill one day before school. her mother puts a thermometer in her mouth and the temperature begins to climb to 100°f. what is happening between the cooler thermometer and scout's body? a) scout's body is applying a force to the particles in the thermometer. b) kinetic energy is being transferred from her mouth to the thermometer. c) potential energy is being lost by the thermometer and gained by scout's body. d) the potential energy stored in foods is converted to mechanical energy to raise the mercury in the thermometer.