(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A left-handed pitcher at sea level throws a baseball at a 45o angle with an initial speed of 19 m/s. The time for the ball to reach its highest point can be found from the data and known constants using which equations? Solve for the time.

2. Relevant equations

V^2 = Vi^2 + 2(a)(y)

y = (Vi)(t) + 1/2(a)(t^2)

3. The attempt at a solution

V^2 = Vi^2 + 2(a)(y)

0 = 13.435^2 + 2*9.8*y

y = 9.21 meters

9.21 = 0 + 0.5*9.8*t^2

9.21 = 4.9*t^2

t = 1.37 seconds

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