Asked by Student in Need
Given the information which statements are true or false?
We know that when we pluck a string on an instrument the resulting sound wave travels through the air at a speed of (about) 344 m/s. But the wave moving on the STRING itself doesn't have to travel at 344 m/s. Let's consider some of the things that affect the velocity of a standing wave on a string.
A) The velocity of a wave traveling on a guitar string is increased if you exchange the string for one that is denser (keeping the length and tension unchanged.)
B) The velocity of the wave traveling on a string is higher if you pluck the string with a slightly larger sideways force
C) Given that waves travel on a guitar string with speed less than the speed of sound in air, and that a guitar string vibrates with frequency f: (T or F) the fundamental frequency of sound waves produced by this guitar will be equal to f.
D) Given that waves travel on a mandolin string with speed less than the speed of sound in air, and that a mandolin string vibrates with a wavelength lambda: (T or F) the resulting sound wave produced in the air will have a wavelength longer than lambda.
E) The velocity of the wave traveling on a string stays the same if you increase the length of the string (keeping the type of string, and the tension of the string, unchanged)
We know that when we pluck a string on an instrument the resulting sound wave travels through the air at a speed of (about) 344 m/s. But the wave moving on the STRING itself doesn't have to travel at 344 m/s. Let's consider some of the things that affect the velocity of a standing wave on a string.
A) The velocity of a wave traveling on a guitar string is increased if you exchange the string for one that is denser (keeping the length and tension unchanged.)
B) The velocity of the wave traveling on a string is higher if you pluck the string with a slightly larger sideways force
C) Given that waves travel on a guitar string with speed less than the speed of sound in air, and that a guitar string vibrates with frequency f: (T or F) the fundamental frequency of sound waves produced by this guitar will be equal to f.
D) Given that waves travel on a mandolin string with speed less than the speed of sound in air, and that a mandolin string vibrates with a wavelength lambda: (T or F) the resulting sound wave produced in the air will have a wavelength longer than lambda.
E) The velocity of the wave traveling on a string stays the same if you increase the length of the string (keeping the type of string, and the tension of the string, unchanged)
Answers
Answered by
bobpursley
well, four of the above are ridculous. What do you think?
Answered by
Jamie
Well I think it is TFFF?
Answered by
Jamie
ACTUALLY IS IT TFFFT?
Answered by
Jamie
NOPE ITS NOT THAT EITHER!
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