# Homework Help: Plz i need help !

1. Jun 17, 2008

### xxl69

1.Can anyone help plz solve this. h=-6t2(squared)+180t at what time does the object reach 1325 m

2. there are 2 buldings 8m aparts, one is 16 m tall and the other one is 9m tall. find the angle of evelation of each side

2. Jun 17, 2008

### konthelion

You need to show your work. What are you having problem with? These seem like straightforward questions.

3. Jun 17, 2008

### buffordboy23

Doesn't your textbook provide an example of a similar or related problem? You have two variables in your equation. If you know one of them, how can you determine the other?

4. Jun 18, 2008

### physixguru

The first part is simple maths.Use your quadratic formula knowledge to the maximum.
The next part is simple trigonometry.Use tan theta to feel comfortable. ;p
Show some work.A man without his own work, even though he may be genius, is a superstar without films at hand.

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