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Physics106Lab- #7

Physics106Lab- #7 - James Wong Physics 106A-005 Conversion...

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James Wong Conversion of Energy 10/30/08 Physics 106A-005 Team 1 Objective To calculate and measure velocity of projectile (different shape and/or size) rolling from an incline. Setup 1. First, we measure all the required data that we needed. We recorded the height of our incline, the height of the table, the mass of the moving objects, and the radius of the masses. 2. Then we proceed to launch the moving objects to see where they would land on the ground. Once we found the general area, we put a marking paper on the ground to record the exact distance the object would land. After that, we would record the distance from where the object landed to the incline. 3. We repeat this procedure three more times with different objects of different masses and radiuses. Formulas E T = K + U G + U R U G = mgh U R = ½ Iw² K = ½ mv² V 0 t = x X(y/2g) ^ -1/2 = V 0 E T = mg (h 0 + h 1 ) = ½ mv² + mgh 1 + ½ Iw² = ½ mv 2 ² + ½ Iw² Mg (h 0 + h 1 ) = ½ mv 1 ² = 1/2mv 2 ² + ½ Iw² Point 1 of incline : E T = mg(h 0 + h 1 ) Point 2 of incline : ½ mv² + mgh Point 3 of incline : ½ mv²
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