A baseball is hit nearly straight up into the air with a speed of 42 m/s.

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A baseball is hit nearly straight up into the air with a speed of 42 m/s.

[From: ] [author: ] [Date: 11-09-18] [Hit: ]

(a) How high does it go? in meters
(b) How long is it in the air? in seconds

please and thank you!

v² = 2gh
42² = 2gh
h = 90 m

t = √(2h/g) = 4.29 s

I don't know

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