A student throws a set of keys vertically upward to her sorority sister, who is in a window 2.50 m above. The second student catches the keys 1.40 s later. (a) With what initial velocity were the keys thrown? magnitude m/s direction --Select--- (b) What was the velocity of the keys just before they were caught? magnitude m/s direction ---Select---

A student throws a set of keys vertically upward to her sorority sister, who is in a window 2.50 m above. The second student catches the keys 1.40 s later. (a) With what initial velocity were the keys thrown? magnitude m/s direction --Select--- (b) What was the velocity of the keys just before they were caught? magnitude m/s direction ---Select---