1. Rob throws a baseball upwards at 14.2 m/s. His friend, John, is sitting in a tree 4.5m
a. Calculate how long it will take to reach John.
b. If John misses the ball as it moves upwards, how long
will it take to reach John again.
Thank you for the opportunity to help you with your question!
vf^2 = vi^2 -2 • a • d
0^2=14.2^2- 2 x a x 4.5
0 = 201.64-9a
0= 14.2 - 22.4t
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