# Answer on Other Physics Question for danish

Question #28754

What do you understand by the normal modes of coupled oscillators ? If a coupled

system has many normal modes, do all normal modes have the same frequency?

Calculate the velocity of elastic longitudinal wave along a stretched steel wire, given

density of steel = 8000 kgm

−3

, Young’s modulus of elasticity = 2×10

11

Nm

−2

.

system has many normal modes, do all normal modes have the same frequency?

Calculate the velocity of elastic longitudinal wave along a stretched steel wire, given

density of steel = 8000 kgm

−3

, Young’s modulus of elasticity = 2×10

11

Nm

−2

.

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