Rite or type work and solutions on a separate paper. if written, write legibly. 1. a steel ball is dropped from rest from a diving platform. a. what is the velocity of the ball 0.8 seconds after it is release? b. what is its velocity 1.6 seconds after its release? 2. a ball is thrown upward with an initial velocity of 15 m/s from on top of a 40 m building. what is the maximum height of the 3. a ball is thrown downward with an initial velocity of 12m/s from on top of a 32 story building. if 1 story 3 m, how long does it take the ball to hit the ground? 4. extra credit: if a ball is thrown up from the street and you see it pass your building's window that is 6 m above ground on its way up; and then see it 2 s later on it way down. what is the maximum height of the ball?