
Understanding the Range Equation of Projectile Motion (8:53)
The Horizontal Range of a Projectile is defined as the horizontal displacement of a projectile when the displacement of the projectile in the ydirection is zero. This video explains how to use the equation, why a launch angle of 45° gives the maximum range and why complementary angles give the same range.
Content Times: 0:16 Defining Range 0:50 How can the displacement in the ydirection be zero? 1:21 The variables in the equation 2:09 g is Positive! 3:05 How to get the maximum range 4:17 What dimensions to use in the equation 5:19 The shape of the sin(θ) graph 6:17 sin(2·30°) = sin(2·60°) 7:35 A graph of the Range of various Launch Angles 8:18 The Review 

