Posted by **Dustin** on Friday, September 28, 2007 at 3:43pm.

Can someone help me find Delta Time for the first 150 meters of this question. Everytime I try and get it by using the quadratic formula I get two negative numbers which I don't think is right.

A model rocket is launched straight upward with an initial speed of 50.0m/s. It accelerates with a constant upward acceleration of 2.00 m/s^2 until its engine stops at an altitude of 150m.

a)What is the maximum height reached by the rocket?

b)When does the rocket reach maximum height?

c)How long is the rocket in the air?

d)With what speed does the rocket hit the ground when it crashes.

## Answer This Question

## Related Questions

- physics - The problem is: You apply your brakes to stop for a traffic light, and...
- physics - The problem is: You apply your brakes to stop for a traffic light, and...
- Chemistry(Please check answers) - 1) For a reaction delta Go is more negative ...
- Chemistry - I know I posted this question before, but can you clarify it?? MY ...
- CHEMISTRY - I know I posted this question before, but can you clarify it?? MY ...
- Vectors - Could you please help me solve this question: Solve this system of ...
- College Math - Another question which is confusing. The position of an object ...
- surface area - Find the surface area of the cylinder in terms of pi. I know the ...
- algebra - Solve the quadratic equation: 2x(squared)+6x+12=0 I know you have to ...
- chemistry - For a particular reaction delta G is more negative than delta H. ...

More Related Questions