Posted by **chris** on Wednesday, November 30, 2011 at 10:42pm.

a stone is thrown striaght up from the roof of an 80 foot building. the height of the stone above the ground t seconds later is giving by the function

h(t)=-16t^2 + 64t +80

during what time is the stone rising?

when is the stone falling?

what is the maximum upward velocity?

when does it reach its maximum height above the ground?

## Answer This Question

## Related Questions

- Physics - From the edge of the rooftop of a building, a boy throws a stone at an...
- physics - From the edge of the rooftop of a building, a boy throws a stone at an...
- Physics - From the edge of the rooftop of a building, a boy throws a stone at an...
- physics - A stone is thrown from a building of height 40m and reaches a maximum ...
- physics - From the edge of the rooftop of a building, a boy throws a stone at an...
- calculus - A stone is thrown straight down from the edge of a roof, 750 feet ...
- civil engineering - A stone (on the edge of the roof) thrown from the top of a ...
- math - A stone is thrown straight up from the edge of a roof, 700 feet above the...
- Physics - A stone is dropped from rest from the roof of a 100-m high building; 2...
- Math - A stone is thrown vertically upwards from a platform 60meters above the ...

More Related Questions