AP Physics 1 Kinematics Problem #5

In this AP Physics 1 kinematics problem, we’re going to be looking at solving a free response question involving kinematics in two dimensions.

This problem requires us to really understand the set up of projectile motion problems and how to break them down.

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[sinetan]

At 5:07 how did you cancel out the g above and the g below 2 (2/g square root of 2--->g<---h)

[harrietclether]

How come you didn't use sin45 and cos45 when solving the problem?