Thursday

July 24, 2014

July 24, 2014

Posted by **Anonymous** on Wednesday, May 30, 2012 at 12:30am.

- geometry -
**Pendergast**, Wednesday, May 30, 2012 at 12:36amI assume the the only forces on the rocket after launch are due to gravity. Gravity exerts an acceleration of -32ft/s^2.

The height function h(t), derived from acceleration a(t) = -32ft/s^2, is h(t) = (1/2)(-32ft/s^2)*t^2 + v_0*t + h_0. v_0 is the initial velocity, and h_0 is the initial height. Since this requires calculus to derive, I assume your teacher provided it.

Thus, the equation for our rocket is h(t) = (-16ft/s^2)*t^2 + (50ft/s)*t + 2ft. Find the intersection with h = 100ft.

**Related Questions**

math - A rocket is fired straight up from the ground with an initial velocity of...

college algebra - A model rocket is launches upward with an initial velocity of ...

algebra - The question I have is to solve the problem. A model rocket is ...

math - A rocket is launch from the top of an 40 foot cliff with an initial ...

Algebra - Using the formula h=-16^2+vt+s Answer the question: A rocket is shot ...

Calc - A rocket is launched with an initial velocity of zero, and with ...

Calc - A rocket is launched with an initial velocity of zero, and with ...

algebra - If a rocket is launched with an initial velocity of 1600 feet per ...

Math - Using h(t)=gt^2+v0t+h0, where g= -16, h0= initial height, v0= initial ...

math - If a rocket is shot upward with an initial speed of 176 feet per second ...