In a longitudinal wave, particle displacement is opposite to the direction of wave motion. Question 12. 12. In the Waves lab, you changed _____ to see how it would affect wave speed. (Points : 3) length of string tension of string type of string how hard you plucked the string Question 13. 13.
Six months If you file for an extension on your individual tax return, the IRS will give you six more months to complete the return. The IRS changed the extensions in 2006. There is now only the option for 6-month extensions (it used to be that you would file one extension, and could then file a second one for a total of 6 months).
This three-year period is measured from the date you filed your original tax return. If you filed your return before April 15th, the three-year period begins from April 15th. If you requested an extension, the three-year period runs from October 15th (Internal Revenue Code section 6511(b)(2)(A)).