SOLUTION: a ball is dropped from a cliff that is 256 feet high. The distance S (in feet) that it falls in t seconds is given by the formula S=256-16t^2. How many seconds(to tenths) will it t

Question 611572: a ball is dropped from a cliff that is 256 feet high. The distance S (in feet) that it falls in t seconds is given by the formula S=256-16t^2. How many seconds(to tenths) will it take for the ball to hit the ground?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
a ball is dropped from a cliff that is 256 feet high. The distance S (in feet) that it falls in t seconds is given by the formula S=256-16t^2. How many seconds(to tenths) will it take for the ball to hit the ground?
----
When the ball hits the ground "S" will be zero.
---
Solve:
256-16t^2 = 0
16t^2 = 256
t^2 = 16
---
Positive solution:
t = 4 seconds
=======================
Cheers,
Stan H.
=======================
RELATED QUESTIONS
A ball is dropped from a cliff that is 464 feet high. The distance S (in feet) that it... (answered by nerdybill,Alan3354)

A ball is dropped from a cliff that is 224 feet high. The distance S (in feet) that it... (answered by Alan3354)

A ball is dropped from a cliff is 192 feet high. The distance S(in feet) that it falls... (answered by solver91311)

A ball is dropped from a cliff that is 416 feet high. The distance S (in feet)... (answered by ankor@dixie-net.com)

Please help me with the following word problems: 1) A rock falls from a tower that is... (answered by Flake)

The distance d in the feet that a dropped object falls in t seconds is given by the... (answered by josmiceli,ikleyn)

A metal ball is dropped from the top of the 1450 foot high Sears Tower in Chicago. If the (answered by mananth)

A ball is dropped from a building. The distance, D metres, that it falls in t seconds is... (answered by Alan3354)

the distance,s(t) in feet traveled by a freely falling object is given by the function... (answered by Alan3354)