Procedure Position Equation Velocity Eqon Analysis i Data from Position Graph Da

Question

Procedure Position Equation Velocity Eqon Analysis i Data from Position Graph Data from Velocity Graph a--4KAW-RM Xo-0.182 Vo- 0.0821 a-0.327 Vo- 0.0983 a-0.326 Note that the curve fit parameters from the previous two pages have been copied, above 0.5 16. What is the initial pos ition. Xo7 Remember that the Start Condition (when data was recorded) was when the cart re ached 18 cm. How does it compare? m 0.361 17. Ho w does your val compare to your value for Vo from the velocity graph? m-0.21) 18. Ho w does your value for Ta from the position oraph compare to your value for a" from the velocity graph? 19. Click on the position graph to make that graph active. then select the S lope tool from the graph tool pale tte Run #1 20 Move the Slope tool to 4 seconds what s the s this po int fincluding units)7 Ho w does this compare to speed on the ve locity graph for this Hame time? 21. Re peat for o and 2 57 AM

Explanation / Answer

In a postion vs time, Slope at any point on the courve indicates the velocity at that point. so the slope tool will indicate the velocity at respective points on the curve in this case 0.4sec ,0.8 sec and1.2 seconds. As shown in the figure the slopes at 0.4,0.8 and1.2 are 0.21m/s ,0.36m/s and 0.47m/s respectively

In velocity vs time , the slope at any point gives the acceleration at that point . the slope at the point should be indicted in the units metre per second^2 (m/s^2).

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