## Essential University Physics: Volume 1 (4th Edition)

We know that $a=gsin(\theta)=9.8sin(24)=3.986\frac{m}{s^2}$ $d=(\frac{1}{2})at^2$ This simplifies to: $t=\sqrt{\frac{2d}{a}}=\sqrt{\frac{(2)(1300)}{3.986}}=26s$