How far away from the barn wall along the ground is the ladder at the moment when we would like to compute the rate of change of the height of the ladder?
12
Expression 13: "H" Subscript, "o" "w" "F" "a" "r" "A" "w" "a" "y" , Baseline equals 8HowFarAway=8
00
"L" Subscript, "e" "n" "g" "t" "h" , BaselineLength
13
At what time is the ladder this far away along the ground from the barn wall?
14
Expression 15: "M" Subscript, "a" "g" "i" "c" "M" "o" "m" "e" "n" "t" , Baseline equals StartFraction, "H" Subscript, "o" "w" "F" "a" "r" "A" "w" "a" "y" , Baseline Over "R" Subscript, "a" "t" "e" , Baseline , EndFractionMagicMoment=HowFarAwayRate
equals=
88
15
Press play to watch the ladder fall. Type "Time = MagicMoment" to freeze the ladder at the instant we would like to calculate the rate of change of the height of the ladder.
