“The Slow Mojo” Team One:

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Presentation transcript:

“The Slow Mojo” Team One: Bradley Davis, Emily Smith, Aaron Howard, Zachariah McPherson

Overview Conservation of Translational Energy Conservation of Rotational Energy Center of Mass Torque 5 Steps + Trigger Actual Cost: $9.00 Projected Cost: $16.00

Conservation of Energy Variables: mass (m), gravity (g), height (h), velocity (v), inertia (I), and angular velocity () Marble Launcher Potential = Kinetic + Rotational mgh = (1/2)mv2 + (1/2)I2 V = 5.61 (m/s) Car on Wedge/Ramp Rotation of Tires Included V = 1.40 (m/s)

Center of Mass Scale/Balance 7 Marbles Mass (m) & Radius (r) mr1 > mr2 (first equation) r1 + r2 = 0.25 m (second equation) Used simultaneous equations r1 = 0.17m & r2 = 0.08 m

Torque Razor VS String  = I (torque, inertia, acceleration) I = (1/3)mL2 (inertia, mass, momentum ) Constant Acceleration (angular)  = 0.147 N-m  = 113 rad/sec2

Summary/Design & Construction Successfully raises banner Connects to Teams 2 & 7 Materials & Budget Narrowing Topics & Focus