7. A ball is thrown vertically into the air at 40m/s. After 3.5 seconds, another ball is thrown vertically. What must be the initial velocity of the second ball to pass the first ball at an elevation of 30m from the ground? c. 29.23 m/s a. 32.96 m/s b. 26.59 m/s d. 36.92 m/s
7. A ball is thrown vertically into the air at 40m/s. After 3.5 seconds, another ball is thrown vertically. What must be the initial velocity of the second ball to pass the first ball at an elevation of 30m from the ground? c. 29.23 m/s a. 32.96 m/s b. 26.59 m/s d. 36.92 m/s
7. A ball is thrown vertically into the air at 40m/s. After 3.5 seconds, another ball is thrown vertically. What must be the initial velocity of the second ball to pass the first ball at an elevation of 30m from the ground? c. 29.23 m/s a. 32.96 m/s b. 26.59 m/s d. 36.92 m/s