February 21, 2017

Homework Help: algebra 1

Posted by lily on Thursday, February 14, 2013 at 8:28pm.

The formula for the height of a falling object is shown below, where h is the height of the object in meters, t is the time in seconds, and k is the height, in meters, from which the object began its fall.

h = –4.9t² + k

If a rock is dropped from a building that is 150 meters tall, what is the height of the rock 4 seconds after it was dropped?

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