Question

1. guitar string length and length of note

traditional guitars have 6 strings that are 25.5 inches long. some guitars have strings that are longer or shorter than that, however. guitar strings can be made of metal or nylon, a type of plastic. a physicist wants to know how the length of a metal guitar string affects how long a note will last. he secures different lengths of metal guitar string tightly between two wooden blocks. the wooden blocks are the same, but the length of guitar string between them is different. he plucks each guitar string with the same force and then uses a timer to measure how long the note lasts.

1. make a claim based on evidence about how the length of a guitar string affects how long a note lasts.

string length (inches) | time the notes lasts (seconds)
22.5 | 5
24 | 6
25.5 | 7
27 | 8
28.5 | 9

image of a guitar

Explanation:

• My Claim: As the length of a metal guitar string increases, the time a note lasts also increases.
• My Evidence: From the table, when the string length is 22.5 inches, the note lasts 5 seconds; at 24 inches, it's 6 seconds; at 25.5 inches, 7 seconds; at 27 inches, 8 seconds; and at 28.5 inches, 9 seconds.
• My Reasoning: The data shows a consistent pattern where an increase in string length (from 22.5 to 28.5 inches) is associated with an increase in the duration of the note (from 5 to 9 seconds). This suggests a positive relationship between string length and note duration.

Answer:

My Claim	My Evidence	My Reasoning