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Height of Dropped Ball - Algebra College Homework










































If a ball is dropped from the top of a 256-ft building, then the formula

h(t)=256-16t^2

Expresses its height h(t) in feet as a function of the time t in seconds.

1.Find h(2), the height of the ball 2 seconds after it is dropped.

2.Find h(4)

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Mar 29, 2012
Height of Dropped Ball
by: Staff


Answer:


1. Find h(2), the height of the ball 2 seconds after it is dropped.

h(t) = 256 - 16t²

h(2) = 256 - 16*2²

h(2) = 256 - 16*4

h(2) = 256 - 64

h(2) = 192

>>> final answer to part 1.: height = 192 feet


2. Find h(4)

h(t) = 256 - 16t²

h(4) = 256 - 16*4²

h(4) = 256 - 16*16

h(4) = 256 - 256

h(4) = 0, it takes the ball 4 seconds to hit the ground

>>> final answer to part 2.: height = 0 feet



Thanks for writing.

Staff
www.solving-math-problems.com


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