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Nerd-A-Pult #2 - Another Projectile Motion Problem

By Flipping Physics, 06/03/2014
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This time in our projectile motion problem, we know the displacement in the y-direciton and we are solving for the displacement in the x-direciton. We could you use the quadratic formula and I even show you how, however, I also show you the way I recommend doing it which avoids the quadratic formula.

Content Times:
0:14 Reading the problem
0:55 Comparing the previous projectile motion problem to the current one
1:16 Breaking the initial velocity in to its components
1:44 Listing the givens
2:27 Beginning to solve the problem in the y-direction
3:08 The Quadratic Formula!
5:49 How to solve it without using the quadratic formula. Solve for Velocity Final in the y-direction first
6:59 And then solve for the change in time
8:12 Solving for the displacement in the x-direction
9:01 Showing that it works
9:43 The Review

Want [url="http://www.flippingphysics.com/another-projectile-motion.html"]Lecture Notes[/url]?
Next Video: Understanding the [url="http://www.flippingphysics.com/range-equation.html"]Range Equation[/url] of Projectile Motion
Previous Projectile Motion Problem: [url="http://www.flippingphysics.com/nerd-a-pult.html"]Nerd-A-Pult[/url] - An Introductory Projectile Motion Problem

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