SOLUTION: A launched rocket has an altitude, in meters, given by the polynomial h+vt-4.9^2, where h is the height, in meters, from which the launch occurs, at velocity v meters per second, a

Question 330635: A launched rocket has an altitude, in meters, given by the polynomial h+vt-4.9^2, where h is the height, in meters, from which the launch occurs, at velocity v meters per second, and t is the number of seconds for which the rocket is airborne. If a rocket is launched from the top of a tower 110 meters high with an initial upward speed of 30 meters per second, what will its height be after 3 seconds.
Please help.....
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

The first thing I need to do is to correct your height function. The gravitational acceleration term is based on the square of time, not the square of the gravitation coefficient. Furthermore, I like to work with my polynomials in standard form, hence:

All you need to do is plug in the given numbers and do the indicated arithmetic:

I'll leave you alone so you can spend some quality time with your calculator.

John

My calculator said it, I believe it, that settles it

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