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You throw a ball straight up with an initial velocity of 18 m/s. It passes a...

You throw a ball straight up with an initial velocity of 18 m/s. It passes a tree branch on the way up at a height of 12.7 m.

(A) How much additional time elapses before the ball passes the tree branch on the way back down (i.e. how much time passes between when the ball is moving upward at a height of 12.7 m to when the ball is moving downward at a height of 12.7 m)?

Correct Answer was 1.76 s.

b) What total distance does the ball travel during this elapsed time? (I havent figured out how to get this answer correct)

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