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September 19, 2014

September 19, 2014

Posted by **Katie** on Monday, June 18, 2012 at 5:12pm.

Write down the algebraic velocity equation for the y-direction of the ball with any given values substituted.

Write down the algebraic position equation for the y-direction of the ball with any given values substituted.

So I need to equations for vertical velocity (Vy) and vertical position (y)

- Physics -
**Henry**, Tuesday, June 19, 2012 at 12:15pm1. V^2 = Vo^2+ 2g*d.

V^2 = 0 + 20*80 = 1600

V = 40 m/s^2.

2. h = ho - 0.5g*t^2

h = 80 - 5*(0)^2 = 80 m.

80 - 5t^2 = 0

5t^2 = 80

t^2 = 16

t = 4 s. = Fall time.

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