Posted by Pat on Saturday, January 15, 2011 at 6:45pm.
polynomial
with h+vt4.9^2
50 meters high
30 meters per sec.
what is height after 2 sec.

algebra  Marth, Saturday, January 15, 2011 at 8:16pm
Plug the values in.
h = 50m
t = 2s
v = 30m/s
h+vt+4.9*t^2=?

algebra  Damon, Saturday, January 15, 2011 at 8:18pm
h+vt4.9 t^2 (typo)
from
h = Ho + Vo t + (1/2) a t^2
where a = gravity = 9.8 m/s^2
Ho, initial height = 50m
Vo = initial velocity up = 30
so
50 + 30 (2)  4.9 (4)
= 110  about 20 = about 90
you use your calculator

algebra typo  Damon, Saturday, January 15, 2011 at 8:19pm
typo a = 9.8m/s^2
(down)
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