PH1110-Burnham-Exp7-Momentum CD

# PH1110-Burnham-Exp7-Momentum CD - Work-Energy and Momentum...

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Work-Energy and Momentum 1. Sketch free-body diagrams of a cart moving at constant velocity, a cart at rest, and two carts colliding. Label the forces. You may enlarge the drawing canvas and move captions. 2. Write the work-energy theorem and conservation of momentum in words and equations. 3. Paste your two graphs into the box below, with data and data boxes legible. a) b) Name and section number: Connor Downie 1 Partner’s name and section number: Brian Doyon 1 The total work done on a system is equal to the change in kinetic energy, or the negative change in potential energy. W=K f - K i = - ( U f – U i ) The total momentum before a collision is equal to the total momentum after a collision. P i = P f

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4. Enter your raw data into the yellow boxes and your calculated data in the green boxes. Enter the units in the square brackets. All data in the table should have at least four significant figures. m A = .5000[ kg ] m B = 1.520 [ kg ] Collision : With velcro X-velocity [m/s] Kinetic energy [J] Momentum [N*sec] v Ai = .4460 k Ai = .04970 Δk A = .008500 p Ai = .2230
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## This note was uploaded on 03/02/2011 for the course PHYS 1110 taught by Professor Burnham during the Fall '10 term at WPI.

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PH1110-Burnham-Exp7-Momentum CD - Work-Energy and Momentum...

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