At the same time, however, you get less detail or less precision in a chart or graph than you do in the table. Imagine the difference between a table of sales figures for a ten-year period and a line graph for that same data. You get a better sense of the overall trend in the graph but not the precise dollar amount.
Wavespeed = frequency x wavelength
= 14 x 9
= 126 mm/s
= 0.126 m/s
the answer for the question is D. all of the above
It hink that it is the 2nd one