Posted by **Bella** on Tuesday, August 23, 2011 at 12:13pm.

The velocity v of a roller coaster in feet per second at the bottom of a hill is Where h is the height of the hill in feet.

Simplify the equation.

Determine the velocity of a roller coaster at the bottom of a 134-foot hill.

- Algebra -
**Reiny**, Tuesday, August 23, 2011 at 1:02pm
I think I just answered the same question, but somehow the posting has disappeared.

the equation in that post was

v = √(64h)

so when h = 134

v = √(64*134) = √ 8576 = appr. 92.6

- Algebra -
**Bella**, Tuesday, August 23, 2011 at 2:08pm
Reiny,

So the velocity at the bottom of a 134-foot hill would be v= 92.607?

*Making a litle more sense to me now. Thank you for your input.

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