Solve the problem.
-A stuntman jumps from a rooftop $370 \mathrm { ft }$ off the ground. How long will it take him, falling freely, to reach the ground? (Use the formula s $= 16 \mathrm { t } ^ { 2 }$.)
A) About $11.6 \mathrm { sec }$
B) About $23.1 \mathrm { sec }$
C) About $4.8 \mathrm { sec }$
D) About $76.9 \mathrm { sec }$

Question

Quizplus · Accepted Answer

To find the time $t$, we use the formula $s = 16t^2$, where $s$ is the distance in feet and $t$ is the time in seconds. Plugging in $s = 370$ feet, we get $370 = 16t^2$. Solving for $t$, we find $t = \sqrt{370/16}$, which gives approximately $4.8$ seconds.

Solve the Problem 370ft370 \mathrm { ft }370ft Off the Ground =16t2= 16 \mathrm { t } ^ { 2 }=16t2

Solve the Problem $370 \mathrm { ft }$ Off the Ground $= 16 \mathrm { t } ^ { 2 }$