A heavy piece of machinery is raised by sliding it a distance d = 12.5 m along a plank oriented at angle θ = 20.0° to the horizontal, as shown below.(a) How high above its original position is it raised? m(b) How far is it moved horizontally? m
The trigonometry of a right-angled triangle .. (a) Height = 12.50.sin20 .. .. .. ?h = 4.28 m (b) Horiz.distance (triangle base) = 12.50 s20 .. .. ?11.75 m
