Data Analysis 2 Use your data in each column to calculate the distance traveled

Question

Data Analysis 2 Use your data in each column to calculate the distance traveled along the track (dh, the change in height (Ah) af the cart, the change in gravitational potential energy (aug) of the cart, and the final kinetic energy Ka) of the cart Use the following equations and the acceleraion due to gravity (gh of 9.81 m's Kg. mv? Photogate (kg) (m)am)a (m/s) (m) h (m) a (3) Trial 1 Trial 3 Conclusions Based on your calculations of the gravitational potential energy change and the kinetic energy, which of the following statements is true for Experiment 3? A. Emergy was not conserved. The gravitational potential energy of the air track cart at the starting point was equal to the kinetic energty of the air track cart as it passed the photogate 8. Energy was conserved. The gravitational potential energy of the air track cart at the starting point was greater than the kinetic energy of the air track cart as it passed the photogate. C Energy was conserved. The change in the gravitational potential energy of the air track cart was approximately the same as the kinetic enerty of the air track cart as it passed the photogate. o Energywas.comerved.The gavitational patental enersy of the air tack cart at the starting point was less than the kinetc energy of the air track cart as it passed the photogate Which of the following statements accurately represents your data for Experiment 3? Releasingthe air track cart from a higher pesition resulted in a greater fimal speed. B. Releasing the air track cart from a bigher pesition resulted in a lower speed. . Releasingthe a" track cathom a higher positon resulted in a peater accelerat on D Releasing the air track cart firom a higher position did not change the final speed

Explanation / Answer

Option c is correct because we can see from data that change in potential energy is equal to change in kinetic energy

Option b is correct because as we can see for large value of x2 we have less value of v2

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