Posted by **John ** on Monday, October 25, 2010 at 3:55pm.

A pelican flying along a horizontal path drops a fish from a height of 5.4m. The fish travels 8.0 m horizontally before it hits the water below. What was the pelican's speed?

- physics -
**MathMate**, Monday, October 25, 2010 at 4:17pm
Calculate the time, t sec., it takes to free-fall from rest over 5.4 m.

You can use:

S=ut+(1/2)gt²

where S=distance, u=initial vertical speed=0, and g=acceleration due to gravity.

Divide 8 m/t sec. to get the horizontal speed.

- physics -
**Ivy**, Wednesday, January 18, 2012 at 6:41pm
The pelican was going 7.6 m/s

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