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Video Discussion: Understanding the Range Equation of Projectile Motion

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Name: Understanding the Range Equation of Projectile Motion

Category: Kinematics

Date Added: 10 June 2014 - 02:03 PM

Submitter: Flipping Physics

Short Description: None Provided

The Horizontal Range of a Projectile is defined as the horizontal displacement of a projectile when the displacement of the projectile in the y-direction is zero. This video explains how to use the equation, why a launch angle of 45° gives the maximum range and why complimentary angles give the same range.

Content Times:

0:16 Defining Range

0:50 How can the displacement in the y-direction 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

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