Conservation of Momentum Lab

Conservation of Momentum Lab - cases of these two...

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Christina Wong Tanner Ellsworth Paul Woo Alex Dinsmoor Hrishi Kulkarni 6 th hour AP Physics 11/13/10 Conservation of Momentum Lab I. Purpose: The purpose of this lab was to predict where a steel marble would land when it is rolled down a ramp sitting on a tabletop. II. Procedure: 1. Measure height of tabletop. 2. Measure height of ramp. 3. Calculate initial velocity as marble leaves ramp. 4. Calculate the time marble is in the air. 5. Calculate distance travelled. III. Data Distance (m) Mass X metal 0.22 3m X glass 0.43 m IV. Calculations 3mv A x = 3mv A x ' mv B x 3 x A t = 3 x A ' t x B ' t x A = x A ' 1 3 x B ' =.22 m .43 m 3 .36 3 m V. Diagrams
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VI. Conclusions In this lab, we showed that the law of conservation of momentum is true in the
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Unformatted text preview: cases of these two dimensions (X and Y). Marbles were released off ramps and their landing positions were then recorded. The x and y components are separately calculated since momentum is scalar. We did not need to calculate the y components since its total would be zero; instead we calculated only the x components. VII. Error Analysis % Error = |Expected - Actual| Actual = .36 3 − .355 .355 ≈ 2.35% Since the marbles landed at locations that were only relatively consistent (due to factors such as air resistance, friction, tiny movements of the ramp), the actual landed locations were only an estimate....
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Conservation of Momentum Lab - cases of these two...

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