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Question:

A physics student is asked to determine the length of a long, slender, copper bar by measuring?

A physics student is asked to determine the length of a long, slender, copper bar by measuring?

Answer:

The speed of the pulse is: v √[Y / ρ] The length of the rod is the distance the pulse travels, or: l vt t√[Y / ρ] 5.60 x 10^-4s√[1.10 x 10¹¹N/m² / 8,890kg/m³] 1.97m Hope this helps.

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