Posted by **Help Me** on Wednesday, January 23, 2013 at 6:15pm.

A stone is dropped from rest from the roof of a 100-m high building; 2.00 s after that, a second stone is thrown straight down with initial speed v0, and the second stone passes the first stone 21.6 m above ground. (a) When are the stones at the same height? (b) What was the initial speed, v0, of the second stone, in m/s? (c) What are the speeds of the two stones, in m/s, just before they hit the ground?

## Answer This Question

## Related Questions

- Physics - A stone is dropped from the roof of a building: 2.5s after, a second ...
- physics - A stone is dropped from the roof of a building; 1.60s after that, a ...
- Physics - A stone is dropped from the roof of a high building. A second stone is...
- physics - A stone is dropped from a 75 m high building. when this stone has ...
- physics - A stone is dropped from a 75 m high building. when this stone has ...
- 12th grade Physics - A stone is dropped in water from a bridge 44 cm above the ...
- Physics - a stone is dropped from a 75m building. when a stone has dropped 15m, ...
- physics - A stone is dropped into a river from a bridge 43.8 m above the water. ...
- physics - A stone is dropped into a river from a bridge 45.4 m above the water. ...
- physics - A stone is dropped into a river from a bridge 45.4 m above the water. ...

More Related Questions