December 1, 2015

Homework Help: Math

Posted by Lux on Monday, November 19, 2012 at 11:37am.

A ball is dropped from a height of 36 feet. The quadratic equation

d=1/2 gt^2

is used to calculate the distance (d) the ball has fallen after t seconds. The constant g is the acceleration of gravity, 9.8m/s^2. How long does it take the ball to hit the ground?

A ball in problem 2 is dropped again, from a different height. This time, it takes 3 seconds to hit the ground. How far does it fall?

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