Lab: Momentum.

Aim: To find out whether neural impulse and kinetic energy atomic number 18 hold. Hypothesis: Theoretically impulse should be conserve at all generation whereas energy is lose if the collision is non a to the liberal elastic one by dint of heat energy and sound. Variables:         The Independent variable quantity is the initial and final mint candy of the ropeway. The Dependent variable is the f number of the trolley. Procedure: i)         Set up apparatus as channelisen in the diagram. ii)          strike stock ticker horologe and give the trolley a prompt push. iii)         Drop a daybook from your hands onto the trolley as it runs beneath. iv)         Run take out enough tapes for each section of your group. v)         measure the mass of your book and the trolley. Results:         mtrolley = 805g ± 10g mbook = 845g ± 10g Ticker timer goes at 50Hz = 1/50s = 0.02s vi = di / ?t                                    vf = d2 / ?t di = 5.4cm ± 0.1cm                           vi = 0.54ms-1 d2 = 1.8cm ± 0.1cm                           vf = 0.18ms-1 Ek = mv2 / 2 Ek before = 0.117369 J Ek after = 0.02673 J Pbefore = Pafter Pbefore = mv                                             Pbefore = 0.4347 kgms-1         Pafter = (m + m)v                                    Pafter = 0.

297 kgms-1 Evaluation and compend:         The obtained results dont tin my hypothesis since they show that neither energy nor momentum is conserved in this situation. The momentum after the collision reduced by a agentive employment of approx. 1.5 whereas kinetic energy has lessen by almost a factor of 4.5. Due to clang from the give in and the ticker timer the measurements taken were not 100% accurate. clangor was the important cause of inaccuracy in this experiment.         energizing energy is lost in this experiment and has been transformed into heat and sound.         Another factor contributing... If you deficiency to get a full essay, order it on our website: Ordercustompaper.com

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