Saturday

August 23, 2014

August 23, 2014

Posted by **gagan** on Thursday, January 22, 2009 at 5:59pm.

h = —4.9t^2 + 27t + 2.4

a)How high is the balloon after 1 s?

b)For how long is the balloon more than 30 m high?

c)What is the maximum height reached by the balloon?

d)When will the balloon hit the ground?

- Math -
**Writeacher**, Thursday, January 22, 2009 at 7:06pmTo quote one of our very good math and science tutors: “You will find here at Jiskha that long series of questions, posted with no evidence of effort or thought by the person posting, will not be answered. We will gladly respond to your future questions in which

**your thoughts**are included.”

- Math -
**gagan**, Thursday, January 22, 2009 at 8:33pmsorry i would not do that again

but can you please answer these questions because i really need them because i have a exam tommorow at 1 pm. i posted them in a series because i have so less time to study, that i was not even thinking write and i just posted them all but can you plz plz plz answer this i really need it.

**Related Questions**

math - A water balloon is shot into the air so that its height h, in metres, ...

Math Grade 11 U - A water balloon is catapulted into the air so that its height...

Math/calculus - a toy rocket is shot into the air at the top of a building so ...

physics - a hot-air balloon having initial velocity vi as it ascends. Then, a ...

math - a rock is thrown straight up in the air from an initial height of ho, in...

algebra - an arrow is shot into the air with an initial velocity of 96 feet per ...

physics - Others say that the balloon was 23 metres high and 14 metres wide. ...

Algebra 2 - Damon thank you for the previous help. A geyser sends a blast of ...

math - really need help, i have no idea how to answer this question ! A stone ...

math - really need help, i have no idea how to answer this question ! A stone ...