A roller coaster moves 85 m horizontally, then travels 45 m at an angle of 30.0 degrees above the horizontally. what is the displacement from its starting point? use graphical techniques.
horizontal: 85 + 45 cos 30 = ?
vertical: 45 sin 30 = ?
1 answer

X= sqrt(85^2 + 22.5^2)= 87.9M