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How do you find instantaneous speed?

  • Thread starter navneet
  • Start date
3
0
how can I find the instantaneous speed when t=6 seconds for the following, and would it be any differnt 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
 

Answers and Replies

mathman
Science Advisor
7,712
397
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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