...if objects at rest have an acceleration of 0, and the net force on an objet equals m*a, then doesn't that mean there must be no net external force on the object? What am I missing here...??
Physics Kinematics Homework Help!?
"While standing on a bridge 18.3 m above the ground, you drop a stone from rest. When the stone has fallen 2.50 m, you throw a second stone straight down. What initial velocity must you give the second stone if they are both to reach the ground at the same...