How do you find instantaneous speed?

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SUMMARY

The instantaneous speed at t=6 seconds can be determined using the provided distance-time data points. By applying curve fitting techniques, such as drawing a line of best fit on a graph, one can accurately estimate the instantaneous speed. The discussion emphasizes that while formulas exist for calculating instantaneous speed, they yield results comparable to those obtained through graphical methods. Thus, utilizing a graph for curve fitting is a valid approach to finding instantaneous speed.

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  • Understanding of distance-time graphs
  • Familiarity with curve fitting techniques
  • Basic knowledge of calculus, specifically derivatives
  • Experience with data analysis tools, such as Excel or Python libraries (e.g., NumPy, Matplotlib)
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  • Research methods for curve fitting in data analysis
  • Learn how to calculate derivatives to find instantaneous rates of change
  • Explore graphical representation of data using Python's Matplotlib
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how can I find the instantaneous speed when t=6 seconds for the following, and would it be any different if i draw a graph and find it using with the line of best fit.

d (m) l t (s)
---------------------------
0 l 0
2 l 1.59
4 l 2.37
6 l 3.87
8 l 3.98
10 l 6.09
12 l 8.90
14 l 8.66
16 l 9.23
18 l 10.18
 
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Your approach is probably the most reasonable. There are formulas one could use, but they would effectively get the same result as you could by a good curve fit. The formulas are curve fitting themselves.
 

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