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Chapter 4: 9 CP (page 156)

Question:A certain metal with atomic mass 2 脳 10鈭�25 kg has an interatomic bond with length 2.1 脳 10鈭�10 m and stiffness 40 N/m. What is the speed of sound in a rod made of this metal?

Short Answer

Expert verified

V=3500m/s

Step by step solution

01

Given Information

Atomic mass =2脳10-25kg

Length= 2.1脳10-10m

Stiffness=40N/m

02

Formula speed of sound in a rod

V=dKsm

Where,

d=length

ks= stiffness

m=mass

03

calculation of speed of sound in a rod

V=dKsm

V=2.1脳10-10402.0脳10-25V=2969.848ms

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