Wednesday
April 1, 2015

Homework Help: math

Posted by gagan on Friday, January 23, 2009 at 9:21am.

A water balloon is shot into the air so that its height h, in metres, after t seconds is
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?

Can you please help me thanks and need this urgently plz plz plz plz and thanks a lot for doing this.

Answer this Question

First Name:
School Subject:
Answer:

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...
physics - a hot-air balloon having initial velocity vi as it ascends. Then, a ...
Physics - After rubbing a balloon against someone's hair, a balloon has ...
math - A hot air balloon was at a height of 60 feet above the ground when it ...
Math/calculus - a toy rocket is shot into the air at the top of a building so ...
physics - A helium balloon has a mass of 0.022 kg, which includes both the ...
Calculus AP - Can someone help me step by step how to find the answer to this ...
math- can you please check my work - Can you please check my work. I asked this...
physics - Others say that the balloon was 23 metres high and 14 metres wide. ...

Members