Match the type of river to it's best description. Mature rivers
Old rivers
Young rivers

Carry medium-sized objects
Carry large objects
Have many meanders

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 ?

Which two particles are found in the center of an atom

What is the single most important equation in all of physics?