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）?

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.

This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?

Ways that industry and agriculture use physical properties to separate substances