Posted by **abu** on Friday, August 12, 2011 at 10:05pm.

A ball is tossed vertically upward from a height of 2 m with an initial velocity

of 10 m/s. Just before the ball hits the ground, its velocity will be what?

- phsical -
**Henry**, Saturday, August 13, 2011 at 7:36pm
Vf^2 = Vo^2 + 2gd,

d = ((Vf^2-Vo^2) / 2g) + 2,

d=((0-100) / -19.6) + 2=5.1 + 2 =7.1m

= Distance from Gnd.

Vf^2 = Vo^2 + 2gd,

Vf^2 = 0 + 2*9.8*7.1 = 139.16,

Vf = 11.8m/s.

## Answer This Question

## Related Questions

- Physics - A ball is shot from the ground into the air. At a height of 9.1 m, the...
- Physics - A ball is thrown from the top of a building with an initial velocity ...
- physics - A ball is thrown from the top of a building with an initial velocity ...
- calculus - If a ball is thrown vertically upward from the roof of 64 foot ...
- math - If a ball is thrown vertically upward from the roof of 32 foot building ...
- Calculus - If a ball is thrown vertically upward from the roof of 32 foot ...
- calculas - If a ball is thrown vertically upward from the roof of 48 foot ...
- physics - A ball is tossed so that it bounces off the ground, rises to height ...
- physics - A ball is tossed so that it bounces off the ground, rises to a height ...
- Physics - From the window of a building, a ball is tossed from a height y 0 ...

More Related Questions