Posted by **Pat** on Saturday, January 15, 2011 at 6:45pm.

polynomial

with h+vt-4.9^2

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+vt-4.9 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)

## Answer this Question

## Related Questions

- algebra - A launched rocket has an altitude, in meters,give n by the polynomial ...
- math-algebra - A launched rocket has an altitude, in meters, given by the ...
- Algebra~Scary problem! - A launched rocket has an altitude, in meters, given by ...
- Algbrah - A launched rocket has an altitude in meters, given by the polynomial h...
- math 117 - A launched rocket has an altitude in meters, given by the polynomial ...
- math 117 - A launched rocket has an altitude in meters, given by the polynomial ...
- math 116 - A launched rocket has an altitude in meters, given by the polynomial ...
- math 117 - A launched rocket has an altitude in meters, given by the polynomial ...
- College algebra - When a ball is thrown up into the air, it makes the shape of a...
- physical science - A weight attached to a wire is swung in a circular path. Its ...

More Related Questions