The drawing shows two strings that have the same length and linear density. The

Question

The drawing shows two strings that have the same length and linear density. The left end of each string is attached to a wall, while the right end passes over a pulley and is connected to objects of different weights (WA and WB). Different standing waves are set up on each string, but their frequencies are the same. If WA = 35 N, what is WB?

Explanation / Answer

Answered By Mohsen ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Note: Rate best answer first. -------------------------------------------------- f = c/? = ?(T/?)/? ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ fA = ?(TA/?A)/?A = ?(TA/?A)/(2L) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ fB = ?(TB/?B)/?B = ?(TB/?B)/(L) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ fA = fB ==> ?(TA/?A)/(2L) = ?(TB/?B)/(L) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ ==> ?(TA)/2 = ?(TB) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ ==> ?35/2 = ?TB ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ ==> TB = 8.75 N

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.