In a football game, running back is at the 10 yard line and running up the field towards the 50 yard line, and runs for 3 seconds at 8yd/s. what is his current position（in yards）?

The device shows the relative humidity at 22°c. what’s the water vapor density if the maximum water vapor in air at this temperature is 20 grams/cubic meter? a device showing that at 22 degrees celsius the relative humidity is 58%. a. 11.6% b. 11.6 g/m3 c. 12.76% d. 12.76 g/m3 reset next