Tuesday
April 28, 2015

Homework Help: Calc

Posted by Michael on Friday, February 22, 2008 at 4:06pm.

A rocket is launched with an initial velocity of zero, and with acceleration in feet per second per second defined by:

--------( 20e^(-t/2), for 0 <= t <= 10 seconds)
a(t) = (
--------( -16, for t > 10 seconds)

a) At what time does the rocket begin to descend?

b) How high does the rocket reach?

c) What is the velocity when the rocket impacts the earth?

d) Write a formula for the position of the rocket with respect to time for t > 10 seconds.

Show all work. Thanks a lot!

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Members