EX6.2Crane

EX6.2Crane - moving crane are: r = 12 + 0.4 t 2 feet and...

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Lesson 6 Example 6.2 Crane Lego Crane (Someone has a lot time on their hands. I love the tune!)
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What coordinate system? What equation for velocity and acceleration? Find time derivative of r and θ . Find time derivative of r and θ at time = 2. Determine velocity. Determine acceleration. The polar coordinates that locate Point A on the
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Unformatted text preview: moving crane are: r = 12 + 0.4 t 2 feet and the angle is = 0.02 t 3 rad. 55 What are the velocity and acceleration of point A when t = 2 seconds? EX6.2 Crane Solution: Problem Type: Find: Given: r=12 +0.4 t 2 feet, = 0.02 t 3 . v A at t= 2 sec. Kinematics (No reference to forces)...
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EX6.2Crane - moving crane are: r = 12 + 0.4 t 2 feet and...

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