What could result from regular participation in sports and exercise?

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

Properties seen when one one substance changes to another are known as properties

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2