Thursday

March 26, 2015

March 26, 2015

Posted by **Eliz** on Thursday, April 18, 2013 at 6:46pm.

Assumptions: Start time at t = 0 and ignore air resistance. Recall that the height function is given by

y(t)= y0 + v0t - 16t^2

where y0 is the initial height of the supplies (in feet) and v0 is the initial

velocity of the supplies (in feet per second).

a) Since the supplies are dropped from a

stationary helicopter, what is the initial velocity of the supplies? How does this simplify the height equation?

b) Using the fact that the supplies hit the ground with a velocity of -160 feet per second, when do the supplies hit the ground?

c) Using previous parts, how high above the ground was the helicopter initially when the supplies were dropped?

- Maths/ Calc -
**Sai**, Wednesday, May 21, 2014 at 3:39amAnswer

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